./Ultimate.py --spec /mnt/goblint-svcomp/goblint-bench/bench/concrat/properties/no-data-race.prp --file /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/thread-join-array-const.i --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for data races
Using default analysis
Version 2329fc70
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data -tc /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/config/AutomizerReach.xml -i /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/thread-join-array-const.i -s /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d95613863b12c8e7ad0425f6659b97df3891ba6cc951da0b981e4fca54d3b7f9
--- Real Ultimate output ---
This is Ultimate 0.2.2-dev-2329fc7
[2024-02-28 18:42:33,710 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2024-02-28 18:42:33,712 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2024-02-28 18:42:33,732 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2024-02-28 18:42:33,732 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2024-02-28 18:42:33,733 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2024-02-28 18:42:33,734 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2024-02-28 18:42:33,735 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2024-02-28 18:42:33,736 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2024-02-28 18:42:33,736 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2024-02-28 18:42:33,737 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2024-02-28 18:42:33,738 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2024-02-28 18:42:33,738 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2024-02-28 18:42:33,739 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2024-02-28 18:42:33,740 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2024-02-28 18:42:33,740 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2024-02-28 18:42:33,741 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2024-02-28 18:42:33,742 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2024-02-28 18:42:33,743 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2024-02-28 18:42:33,744 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2024-02-28 18:42:33,745 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2024-02-28 18:42:33,746 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2024-02-28 18:42:33,746 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2024-02-28 18:42:33,747 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2024-02-28 18:42:33,749 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2024-02-28 18:42:33,750 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2024-02-28 18:42:33,750 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2024-02-28 18:42:33,750 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2024-02-28 18:42:33,750 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2024-02-28 18:42:33,751 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2024-02-28 18:42:33,751 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2024-02-28 18:42:33,752 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2024-02-28 18:42:33,752 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2024-02-28 18:42:33,753 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2024-02-28 18:42:33,753 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2024-02-28 18:42:33,754 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2024-02-28 18:42:33,754 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2024-02-28 18:42:33,754 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2024-02-28 18:42:33,755 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2024-02-28 18:42:33,755 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2024-02-28 18:42:33,756 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2024-02-28 18:42:33,757 INFO  L101        SettingsManager]: Beginning loading settings from /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2024-02-28 18:42:33,774 INFO  L113        SettingsManager]: Loading preferences was successful
[2024-02-28 18:42:33,774 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2024-02-28 18:42:33,775 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-02-28 18:42:33,775 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-02-28 18:42:33,775 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-02-28 18:42:33,776 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-02-28 18:42:33,776 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-02-28 18:42:33,776 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2024-02-28 18:42:33,776 INFO  L138        SettingsManager]:  * Use SBE=true
[2024-02-28 18:42:33,776 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-02-28 18:42:33,776 INFO  L138        SettingsManager]:  * sizeof long=4
[2024-02-28 18:42:33,777 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2024-02-28 18:42:33,777 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-02-28 18:42:33,777 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2024-02-28 18:42:33,777 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2024-02-28 18:42:33,777 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-02-28 18:42:33,777 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-02-28 18:42:33,777 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-02-28 18:42:33,777 INFO  L138        SettingsManager]:  * Check absence of data races in concurrent programs=true
[2024-02-28 18:42:33,777 INFO  L138        SettingsManager]:  * sizeof long double=12
[2024-02-28 18:42:33,778 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2024-02-28 18:42:33,778 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2024-02-28 18:42:33,778 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-02-28 18:42:33,778 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-02-28 18:42:33,778 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-02-28 18:42:33,778 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-02-28 18:42:33,778 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-02-28 18:42:33,778 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-02-28 18:42:33,779 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-02-28 18:42:33,779 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2024-02-28 18:42:33,779 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-02-28 18:42:33,779 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-02-28 18:42:33,779 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-02-28 18:42:33,779 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2024-02-28 18:42:33,779 INFO  L138        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-02-28 18:42:33,779 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-02-28 18:42:33,779 INFO  L138        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2024-02-28 18:42:33,780 INFO  L138        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d95613863b12c8e7ad0425f6659b97df3891ba6cc951da0b981e4fca54d3b7f9
[2024-02-28 18:42:33,950 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-02-28 18:42:33,967 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-02-28 18:42:33,969 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-02-28 18:42:33,969 INFO  L271        PluginConnector]: Initializing CDTParser...
[2024-02-28 18:42:33,970 INFO  L275        PluginConnector]: CDTParser initialized
[2024-02-28 18:42:33,970 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/thread-join-array-const.i
[2024-02-28 18:42:34,988 INFO  L500              CDTParser]: Created temporary CDT project at NULL
[2024-02-28 18:42:35,192 INFO  L351              CDTParser]: Found 1 translation units.
[2024-02-28 18:42:35,193 INFO  L172              CDTParser]: Scanning /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/thread-join-array-const.i
[2024-02-28 18:42:35,201 INFO  L394              CDTParser]: About to delete temporary CDT project at /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data/5de7ad640/9cac9ed16c314e00b042a4f3152d8068/FLAG959038305
[2024-02-28 18:42:35,212 INFO  L402              CDTParser]: Successfully deleted /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data/5de7ad640/9cac9ed16c314e00b042a4f3152d8068
[2024-02-28 18:42:35,218 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-02-28 18:42:35,219 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-02-28 18:42:35,220 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-02-28 18:42:35,220 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-02-28 18:42:35,222 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-02-28 18:42:35,223 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.02 06:42:35" (1/1) ...
[2024-02-28 18:42:35,224 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ce6b139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.02 06:42:35, skipping insertion in model container
[2024-02-28 18:42:35,224 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.02 06:42:35" (1/1) ...
[2024-02-28 18:42:35,232 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2024-02-28 18:42:35,263 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2024-02-28 18:42:35,451 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-02-28 18:42:35,460 INFO  L203         MainTranslator]: Completed pre-run
[2024-02-28 18:42:35,490 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-02-28 18:42:35,514 INFO  L208         MainTranslator]: Completed translation
[2024-02-28 18:42:35,514 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.02 06:42:35 WrapperNode
[2024-02-28 18:42:35,514 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-02-28 18:42:35,515 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-02-28 18:42:35,515 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-02-28 18:42:35,515 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2024-02-28 18:42:35,520 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.02 06:42:35" (1/1) ...
[2024-02-28 18:42:35,530 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.02 06:42:35" (1/1) ...
[2024-02-28 18:42:35,545 INFO  L138                Inliner]: procedures = 157, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53
[2024-02-28 18:42:35,546 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-02-28 18:42:35,546 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-02-28 18:42:35,546 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2024-02-28 18:42:35,547 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2024-02-28 18:42:35,554 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.02 06:42:35" (1/1) ...
[2024-02-28 18:42:35,554 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.02 06:42:35" (1/1) ...
[2024-02-28 18:42:35,557 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.02 06:42:35" (1/1) ...
[2024-02-28 18:42:35,557 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.02 06:42:35" (1/1) ...
[2024-02-28 18:42:35,562 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.02 06:42:35" (1/1) ...
[2024-02-28 18:42:35,564 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.02 06:42:35" (1/1) ...
[2024-02-28 18:42:35,565 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.02 06:42:35" (1/1) ...
[2024-02-28 18:42:35,566 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.02 06:42:35" (1/1) ...
[2024-02-28 18:42:35,568 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-02-28 18:42:35,569 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-02-28 18:42:35,569 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2024-02-28 18:42:35,569 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2024-02-28 18:42:35,570 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.02 06:42:35" (1/1) ...
[2024-02-28 18:42:35,575 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-02-28 18:42:35,582 INFO  L189       MonitoredProcess]: No working directory specified, using /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3
[2024-02-28 18:42:35,597 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-02-28 18:42:35,601 INFO  L327       MonitoredProcess]: [MP /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-02-28 18:42:35,642 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2024-02-28 18:42:35,642 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2024-02-28 18:42:35,642 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-02-28 18:42:35,643 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-02-28 18:42:35,643 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-02-28 18:42:35,643 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-02-28 18:42:35,643 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-02-28 18:42:35,643 INFO  L130     BoogieDeclarations]: Found specification of procedure thread
[2024-02-28 18:42:35,644 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread
[2024-02-28 18:42:35,644 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-02-28 18:42:35,644 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-02-28 18:42:35,646 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2024-02-28 18:42:35,780 INFO  L235             CfgBuilder]: Building ICFG
[2024-02-28 18:42:35,782 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-02-28 18:42:35,906 INFO  L276             CfgBuilder]: Performing block encoding
[2024-02-28 18:42:35,911 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-02-28 18:42:35,911 INFO  L300             CfgBuilder]: Removed 2 assume(true) statements.
[2024-02-28 18:42:35,913 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.02 06:42:35 BoogieIcfgContainer
[2024-02-28 18:42:35,913 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-02-28 18:42:35,915 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-02-28 18:42:35,915 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2024-02-28 18:42:35,917 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2024-02-28 18:42:35,918 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.02 06:42:35" (1/3) ...
[2024-02-28 18:42:35,918 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eabd07d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.02 06:42:35, skipping insertion in model container
[2024-02-28 18:42:35,918 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.02 06:42:35" (2/3) ...
[2024-02-28 18:42:35,919 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eabd07d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.02 06:42:35, skipping insertion in model container
[2024-02-28 18:42:35,919 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.02 06:42:35" (3/3) ...
[2024-02-28 18:42:35,920 INFO  L112   eAbstractionObserver]: Analyzing ICFG thread-join-array-const.i
[2024-02-28 18:42:35,926 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2024-02-28 18:42:35,934 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-02-28 18:42:35,934 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations.
[2024-02-28 18:42:35,934 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-02-28 18:42:35,970 INFO  L144    ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2024-02-28 18:42:35,997 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 71 places, 71 transitions, 150 flow
[2024-02-28 18:42:36,032 INFO  L130       PetriNetUnfolder]: 5/97 cut-off events.
[2024-02-28 18:42:36,032 INFO  L131       PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2024-02-28 18:42:36,036 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 103 conditions, 97 events. 5/97 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 181 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 45. Up to 4 conditions per place. 
[2024-02-28 18:42:36,036 INFO  L82        GeneralOperation]: Start removeDead. Operand has 71 places, 71 transitions, 150 flow
[2024-02-28 18:42:36,039 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 71 places, 71 transitions, 150 flow
[2024-02-28 18:42:36,042 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2024-02-28 18:42:36,050 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 71 transitions, 150 flow
[2024-02-28 18:42:36,052 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 71 transitions, 150 flow
[2024-02-28 18:42:36,052 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 71 places, 71 transitions, 150 flow
[2024-02-28 18:42:36,072 INFO  L130       PetriNetUnfolder]: 5/97 cut-off events.
[2024-02-28 18:42:36,073 INFO  L131       PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2024-02-28 18:42:36,073 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 103 conditions, 97 events. 5/97 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 181 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 45. Up to 4 conditions per place. 
[2024-02-28 18:42:36,074 INFO  L119        LiptonReduction]: Number of co-enabled transitions 896
[2024-02-28 18:42:37,592 INFO  L134        LiptonReduction]: Checked pairs total: 1633
[2024-02-28 18:42:37,593 INFO  L136        LiptonReduction]: Total number of compositions: 57
[2024-02-28 18:42:37,604 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-02-28 18:42:37,610 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3fb36646, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2024-02-28 18:42:37,610 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-02-28 18:42:37,612 INFO  L130       PetriNetUnfolder]: 0/5 cut-off events.
[2024-02-28 18:42:37,612 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2024-02-28 18:42:37,612 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 18:42:37,612 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1]
[2024-02-28 18:42:37,613 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-02-28 18:42:37,616 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 18:42:37,617 INFO  L85        PathProgramCache]: Analyzing trace with hash 260257, now seen corresponding path program 1 times
[2024-02-28 18:42:37,623 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 18:42:37,623 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197800826]
[2024-02-28 18:42:37,623 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 18:42:37,624 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 18:42:37,692 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-28 18:42:37,773 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-02-28 18:42:37,773 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-28 18:42:37,774 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197800826]
[2024-02-28 18:42:37,774 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197800826] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-28 18:42:37,774 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-28 18:42:37,774 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-02-28 18:42:37,775 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065733648]
[2024-02-28 18:42:37,776 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-28 18:42:37,782 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-02-28 18:42:37,782 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-28 18:42:37,796 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-02-28 18:42:37,798 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-02-28 18:42:37,825 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 64 out of 128
[2024-02-28 18:42:37,827 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 18 transitions, 44 flow. Second operand  has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:37,827 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-28 18:42:37,827 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 128
[2024-02-28 18:42:37,828 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-28 18:42:37,864 INFO  L130       PetriNetUnfolder]: 12/52 cut-off events.
[2024-02-28 18:42:37,864 INFO  L131       PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2024-02-28 18:42:37,864 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 100 conditions, 52 events. 12/52 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 144 event pairs, 5 based on Foata normal form. 0/41 useless extension candidates. Maximal degree in co-relation 72. Up to 36 conditions per place. 
[2024-02-28 18:42:37,865 INFO  L137   encePairwiseOnDemand]: 124/128 looper letters, 13 selfloop transitions, 2 changer transitions 0/20 dead transitions.
[2024-02-28 18:42:37,865 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 20 transitions, 78 flow
[2024-02-28 18:42:37,866 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-02-28 18:42:37,868 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-02-28 18:42:37,874 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 209 transitions.
[2024-02-28 18:42:37,875 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5442708333333334
[2024-02-28 18:42:37,876 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 209 transitions.
[2024-02-28 18:42:37,876 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 209 transitions.
[2024-02-28 18:42:37,877 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-02-28 18:42:37,878 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 209 transitions.
[2024-02-28 18:42:37,880 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:37,884 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:37,884 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:37,886 INFO  L175             Difference]: Start difference. First operand has 20 places, 18 transitions, 44 flow. Second operand 3 states and 209 transitions.
[2024-02-28 18:42:37,886 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 20 transitions, 78 flow
[2024-02-28 18:42:37,888 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 20 transitions, 78 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-02-28 18:42:37,889 INFO  L231             Difference]: Finished difference. Result has 22 places, 17 transitions, 50 flow
[2024-02-28 18:42:37,890 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=50, PETRI_PLACES=22, PETRI_TRANSITIONS=17}
[2024-02-28 18:42:37,893 INFO  L288   CegarLoopForPetriNet]: 20 programPoint places, 2 predicate places.
[2024-02-28 18:42:37,894 INFO  L495      AbstractCegarLoop]: Abstraction has has 22 places, 17 transitions, 50 flow
[2024-02-28 18:42:37,894 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:37,894 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 18:42:37,894 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-02-28 18:42:37,894 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-02-28 18:42:37,894 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-02-28 18:42:37,895 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 18:42:37,895 INFO  L85        PathProgramCache]: Analyzing trace with hash -826925151, now seen corresponding path program 1 times
[2024-02-28 18:42:37,895 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 18:42:37,895 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718166422]
[2024-02-28 18:42:37,895 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 18:42:37,896 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 18:42:37,909 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-28 18:42:37,934 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-02-28 18:42:37,935 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-28 18:42:37,935 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718166422]
[2024-02-28 18:42:37,935 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718166422] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-28 18:42:37,935 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-28 18:42:37,935 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-02-28 18:42:37,935 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714505837]
[2024-02-28 18:42:37,936 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-28 18:42:37,936 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-02-28 18:42:37,937 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-28 18:42:37,937 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-02-28 18:42:37,937 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-02-28 18:42:37,948 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 61 out of 128
[2024-02-28 18:42:37,949 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 17 transitions, 50 flow. Second operand  has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:37,949 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-28 18:42:37,949 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 128
[2024-02-28 18:42:37,949 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-28 18:42:37,988 INFO  L130       PetriNetUnfolder]: 20/71 cut-off events.
[2024-02-28 18:42:37,988 INFO  L131       PetriNetUnfolder]: For 6/6 co-relation queries the response was YES.
[2024-02-28 18:42:37,988 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 153 conditions, 71 events. 20/71 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 225 event pairs, 13 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 122. Up to 48 conditions per place. 
[2024-02-28 18:42:37,989 INFO  L137   encePairwiseOnDemand]: 124/128 looper letters, 17 selfloop transitions, 3 changer transitions 1/24 dead transitions.
[2024-02-28 18:42:37,989 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 24 transitions, 111 flow
[2024-02-28 18:42:37,989 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-02-28 18:42:37,989 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-02-28 18:42:37,990 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 205 transitions.
[2024-02-28 18:42:37,991 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5338541666666666
[2024-02-28 18:42:37,991 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 205 transitions.
[2024-02-28 18:42:37,991 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 205 transitions.
[2024-02-28 18:42:37,991 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-02-28 18:42:37,991 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 205 transitions.
[2024-02-28 18:42:37,992 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:37,993 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:37,994 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:37,994 INFO  L175             Difference]: Start difference. First operand has 22 places, 17 transitions, 50 flow. Second operand 3 states and 205 transitions.
[2024-02-28 18:42:37,994 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 24 transitions, 111 flow
[2024-02-28 18:42:37,994 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 24 transitions, 105 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-02-28 18:42:37,995 INFO  L231             Difference]: Finished difference. Result has 23 places, 19 transitions, 65 flow
[2024-02-28 18:42:37,995 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=65, PETRI_PLACES=23, PETRI_TRANSITIONS=19}
[2024-02-28 18:42:37,995 INFO  L288   CegarLoopForPetriNet]: 20 programPoint places, 3 predicate places.
[2024-02-28 18:42:37,996 INFO  L495      AbstractCegarLoop]: Abstraction has has 23 places, 19 transitions, 65 flow
[2024-02-28 18:42:37,996 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:37,996 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 18:42:37,996 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1]
[2024-02-28 18:42:37,996 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-02-28 18:42:37,996 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-02-28 18:42:37,997 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 18:42:37,997 INFO  L85        PathProgramCache]: Analyzing trace with hash -826926477, now seen corresponding path program 1 times
[2024-02-28 18:42:37,997 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 18:42:37,997 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716347366]
[2024-02-28 18:42:37,997 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 18:42:37,997 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 18:42:38,013 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-02-28 18:42:38,014 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-02-28 18:42:38,024 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-02-28 18:42:38,037 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-02-28 18:42:38,037 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-02-28 18:42:38,038 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining)
[2024-02-28 18:42:38,039 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining)
[2024-02-28 18:42:38,040 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining)
[2024-02-28 18:42:38,040 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining)
[2024-02-28 18:42:38,040 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining)
[2024-02-28 18:42:38,040 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-02-28 18:42:38,040 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-02-28 18:42:38,042 WARN  L233   ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-02-28 18:42:38,042 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2024-02-28 18:42:38,056 INFO  L144    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-02-28 18:42:38,058 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 88 places, 87 transitions, 192 flow
[2024-02-28 18:42:38,078 INFO  L130       PetriNetUnfolder]: 10/173 cut-off events.
[2024-02-28 18:42:38,078 INFO  L131       PetriNetUnfolder]: For 6/6 co-relation queries the response was YES.
[2024-02-28 18:42:38,079 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 187 conditions, 173 events. 10/173 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 411 event pairs, 0 based on Foata normal form. 0/149 useless extension candidates. Maximal degree in co-relation 99. Up to 8 conditions per place. 
[2024-02-28 18:42:38,079 INFO  L82        GeneralOperation]: Start removeDead. Operand has 88 places, 87 transitions, 192 flow
[2024-02-28 18:42:38,080 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 88 places, 87 transitions, 192 flow
[2024-02-28 18:42:38,080 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2024-02-28 18:42:38,080 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 87 transitions, 192 flow
[2024-02-28 18:42:38,080 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 87 transitions, 192 flow
[2024-02-28 18:42:38,081 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 88 places, 87 transitions, 192 flow
[2024-02-28 18:42:38,097 INFO  L130       PetriNetUnfolder]: 10/173 cut-off events.
[2024-02-28 18:42:38,097 INFO  L131       PetriNetUnfolder]: For 6/6 co-relation queries the response was YES.
[2024-02-28 18:42:38,098 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 187 conditions, 173 events. 10/173 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 411 event pairs, 0 based on Foata normal form. 0/149 useless extension candidates. Maximal degree in co-relation 99. Up to 8 conditions per place. 
[2024-02-28 18:42:38,100 INFO  L119        LiptonReduction]: Number of co-enabled transitions 2492
[2024-02-28 18:42:39,457 INFO  L134        LiptonReduction]: Checked pairs total: 5801
[2024-02-28 18:42:39,457 INFO  L136        LiptonReduction]: Total number of compositions: 60
[2024-02-28 18:42:39,460 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-02-28 18:42:39,462 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3fb36646, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2024-02-28 18:42:39,462 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 6 error locations.
[2024-02-28 18:42:39,464 INFO  L130       PetriNetUnfolder]: 0/4 cut-off events.
[2024-02-28 18:42:39,464 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2024-02-28 18:42:39,464 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 18:42:39,464 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1]
[2024-02-28 18:42:39,464 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] ===
[2024-02-28 18:42:39,465 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 18:42:39,465 INFO  L85        PathProgramCache]: Analyzing trace with hash 422210, now seen corresponding path program 1 times
[2024-02-28 18:42:39,465 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 18:42:39,465 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920518504]
[2024-02-28 18:42:39,466 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 18:42:39,466 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 18:42:39,479 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-28 18:42:39,511 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-02-28 18:42:39,512 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-28 18:42:39,512 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920518504]
[2024-02-28 18:42:39,512 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920518504] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-28 18:42:39,512 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-28 18:42:39,513 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-02-28 18:42:39,513 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787419362]
[2024-02-28 18:42:39,513 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-28 18:42:39,513 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-02-28 18:42:39,513 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-28 18:42:39,514 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-02-28 18:42:39,514 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-02-28 18:42:39,541 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 78 out of 147
[2024-02-28 18:42:39,542 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 30 transitions, 78 flow. Second operand  has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:39,542 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-28 18:42:39,542 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 147
[2024-02-28 18:42:39,542 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-28 18:42:39,639 INFO  L130       PetriNetUnfolder]: 457/901 cut-off events.
[2024-02-28 18:42:39,639 INFO  L131       PetriNetUnfolder]: For 36/36 co-relation queries the response was YES.
[2024-02-28 18:42:39,641 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 1745 conditions, 901 events. 457/901 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 4583 event pairs, 205 based on Foata normal form. 0/790 useless extension candidates. Maximal degree in co-relation 286. Up to 787 conditions per place. 
[2024-02-28 18:42:39,644 INFO  L137   encePairwiseOnDemand]: 143/147 looper letters, 27 selfloop transitions, 2 changer transitions 0/36 dead transitions.
[2024-02-28 18:42:39,644 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 36 transitions, 148 flow
[2024-02-28 18:42:39,645 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-02-28 18:42:39,645 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-02-28 18:42:39,645 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 265 transitions.
[2024-02-28 18:42:39,646 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6009070294784581
[2024-02-28 18:42:39,646 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 265 transitions.
[2024-02-28 18:42:39,646 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 265 transitions.
[2024-02-28 18:42:39,646 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-02-28 18:42:39,647 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 265 transitions.
[2024-02-28 18:42:39,647 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:39,648 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 147.0) internal successors, (588), 4 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:39,649 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 147.0) internal successors, (588), 4 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:39,649 INFO  L175             Difference]: Start difference. First operand has 33 places, 30 transitions, 78 flow. Second operand 3 states and 265 transitions.
[2024-02-28 18:42:39,649 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 36 transitions, 148 flow
[2024-02-28 18:42:39,650 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 36 transitions, 148 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-02-28 18:42:39,650 INFO  L231             Difference]: Finished difference. Result has 35 places, 30 transitions, 88 flow
[2024-02-28 18:42:39,650 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=88, PETRI_PLACES=35, PETRI_TRANSITIONS=30}
[2024-02-28 18:42:39,651 INFO  L288   CegarLoopForPetriNet]: 33 programPoint places, 2 predicate places.
[2024-02-28 18:42:39,651 INFO  L495      AbstractCegarLoop]: Abstraction has has 35 places, 30 transitions, 88 flow
[2024-02-28 18:42:39,652 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:39,652 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 18:42:39,652 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-02-28 18:42:39,652 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-02-28 18:42:39,652 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] ===
[2024-02-28 18:42:39,652 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 18:42:39,652 INFO  L85        PathProgramCache]: Analyzing trace with hash -536914938, now seen corresponding path program 1 times
[2024-02-28 18:42:39,653 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 18:42:39,653 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216278904]
[2024-02-28 18:42:39,653 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 18:42:39,653 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 18:42:39,661 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-28 18:42:39,675 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-02-28 18:42:39,675 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-28 18:42:39,675 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216278904]
[2024-02-28 18:42:39,675 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216278904] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-28 18:42:39,675 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-28 18:42:39,676 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-02-28 18:42:39,676 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742965970]
[2024-02-28 18:42:39,676 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-28 18:42:39,676 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-02-28 18:42:39,676 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-28 18:42:39,676 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-02-28 18:42:39,677 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-02-28 18:42:39,689 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 74 out of 147
[2024-02-28 18:42:39,689 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 30 transitions, 88 flow. Second operand  has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:39,690 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-28 18:42:39,690 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 147
[2024-02-28 18:42:39,690 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-28 18:42:39,817 INFO  L130       PetriNetUnfolder]: 595/1131 cut-off events.
[2024-02-28 18:42:39,817 INFO  L131       PetriNetUnfolder]: For 148/148 co-relation queries the response was YES.
[2024-02-28 18:42:39,819 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2319 conditions, 1131 events. 595/1131 cut-off events. For 148/148 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 6140 event pairs, 379 based on Foata normal form. 0/1012 useless extension candidates. Maximal degree in co-relation 2269. Up to 765 conditions per place. 
[2024-02-28 18:42:39,822 INFO  L137   encePairwiseOnDemand]: 141/147 looper letters, 36 selfloop transitions, 5 changer transitions 0/47 dead transitions.
[2024-02-28 18:42:39,823 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 47 transitions, 219 flow
[2024-02-28 18:42:39,823 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-02-28 18:42:39,823 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-02-28 18:42:39,824 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 262 transitions.
[2024-02-28 18:42:39,824 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5941043083900227
[2024-02-28 18:42:39,824 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 262 transitions.
[2024-02-28 18:42:39,824 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 262 transitions.
[2024-02-28 18:42:39,824 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-02-28 18:42:39,824 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 262 transitions.
[2024-02-28 18:42:39,825 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:39,826 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 147.0) internal successors, (588), 4 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:39,827 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 147.0) internal successors, (588), 4 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:39,827 INFO  L175             Difference]: Start difference. First operand has 35 places, 30 transitions, 88 flow. Second operand 3 states and 262 transitions.
[2024-02-28 18:42:39,827 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 47 transitions, 219 flow
[2024-02-28 18:42:39,828 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 47 transitions, 216 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-02-28 18:42:39,828 INFO  L231             Difference]: Finished difference. Result has 38 places, 34 transitions, 124 flow
[2024-02-28 18:42:39,829 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=124, PETRI_PLACES=38, PETRI_TRANSITIONS=34}
[2024-02-28 18:42:39,829 INFO  L288   CegarLoopForPetriNet]: 33 programPoint places, 5 predicate places.
[2024-02-28 18:42:39,829 INFO  L495      AbstractCegarLoop]: Abstraction has has 38 places, 34 transitions, 124 flow
[2024-02-28 18:42:39,829 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:39,830 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 18:42:39,830 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-02-28 18:42:39,830 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-02-28 18:42:39,830 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] ===
[2024-02-28 18:42:39,830 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 18:42:39,830 INFO  L85        PathProgramCache]: Analyzing trace with hash 421910286, now seen corresponding path program 1 times
[2024-02-28 18:42:39,830 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 18:42:39,830 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025236921]
[2024-02-28 18:42:39,831 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 18:42:39,831 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 18:42:39,837 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-28 18:42:39,868 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-02-28 18:42:39,869 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-28 18:42:39,869 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025236921]
[2024-02-28 18:42:39,869 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025236921] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-28 18:42:39,869 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-28 18:42:39,869 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-02-28 18:42:39,869 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829002136]
[2024-02-28 18:42:39,870 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-28 18:42:39,870 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-02-28 18:42:39,870 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-28 18:42:39,870 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-02-28 18:42:39,870 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-02-28 18:42:39,897 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 76 out of 147
[2024-02-28 18:42:39,897 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 34 transitions, 124 flow. Second operand  has 4 states, 4 states have (on average 77.5) internal successors, (310), 4 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:39,898 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-28 18:42:39,898 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 147
[2024-02-28 18:42:39,898 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-28 18:42:39,987 INFO  L130       PetriNetUnfolder]: 397/789 cut-off events.
[2024-02-28 18:42:39,987 INFO  L131       PetriNetUnfolder]: For 466/480 co-relation queries the response was YES.
[2024-02-28 18:42:39,988 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 1980 conditions, 789 events. 397/789 cut-off events. For 466/480 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 3804 event pairs, 204 based on Foata normal form. 50/823 useless extension candidates. Maximal degree in co-relation 727. Up to 442 conditions per place. 
[2024-02-28 18:42:39,990 INFO  L137   encePairwiseOnDemand]: 143/147 looper letters, 41 selfloop transitions, 3 changer transitions 0/51 dead transitions.
[2024-02-28 18:42:39,990 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 51 transitions, 274 flow
[2024-02-28 18:42:39,991 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-02-28 18:42:39,991 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-02-28 18:42:39,991 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 341 transitions.
[2024-02-28 18:42:39,992 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5799319727891157
[2024-02-28 18:42:39,992 INFO  L72            ComplementDD]: Start complementDD. Operand 4 states and 341 transitions.
[2024-02-28 18:42:39,992 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 341 transitions.
[2024-02-28 18:42:39,992 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-02-28 18:42:39,992 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 341 transitions.
[2024-02-28 18:42:39,993 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 5 states, 4 states have (on average 85.25) internal successors, (341), 4 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:39,994 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 5 states, 5 states have (on average 147.0) internal successors, (735), 5 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:39,994 INFO  L81            ComplementDD]: Finished complementDD. Result  has 5 states, 5 states have (on average 147.0) internal successors, (735), 5 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:39,994 INFO  L175             Difference]: Start difference. First operand has 38 places, 34 transitions, 124 flow. Second operand 4 states and 341 transitions.
[2024-02-28 18:42:39,994 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 51 transitions, 274 flow
[2024-02-28 18:42:39,996 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 51 transitions, 256 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-02-28 18:42:39,997 INFO  L231             Difference]: Finished difference. Result has 40 places, 35 transitions, 130 flow
[2024-02-28 18:42:39,997 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=130, PETRI_PLACES=40, PETRI_TRANSITIONS=35}
[2024-02-28 18:42:39,998 INFO  L288   CegarLoopForPetriNet]: 33 programPoint places, 7 predicate places.
[2024-02-28 18:42:39,998 INFO  L495      AbstractCegarLoop]: Abstraction has has 40 places, 35 transitions, 130 flow
[2024-02-28 18:42:39,998 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 77.5) internal successors, (310), 4 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:39,998 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 18:42:39,998 INFO  L209   CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1]
[2024-02-28 18:42:39,998 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-02-28 18:42:39,998 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] ===
[2024-02-28 18:42:39,999 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 18:42:39,999 INFO  L85        PathProgramCache]: Analyzing trace with hash -1843257085, now seen corresponding path program 1 times
[2024-02-28 18:42:39,999 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 18:42:39,999 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000256050]
[2024-02-28 18:42:39,999 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 18:42:39,999 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 18:42:40,020 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-02-28 18:42:40,020 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-02-28 18:42:40,026 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-02-28 18:42:40,030 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-02-28 18:42:40,030 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-02-28 18:42:40,030 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 6 remaining)
[2024-02-28 18:42:40,030 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 6 remaining)
[2024-02-28 18:42:40,030 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining)
[2024-02-28 18:42:40,030 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining)
[2024-02-28 18:42:40,031 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining)
[2024-02-28 18:42:40,031 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining)
[2024-02-28 18:42:40,031 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-02-28 18:42:40,031 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-02-28 18:42:40,032 WARN  L233   ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-02-28 18:42:40,032 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances.
[2024-02-28 18:42:40,044 INFO  L144    ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2024-02-28 18:42:40,046 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 105 places, 103 transitions, 236 flow
[2024-02-28 18:42:40,062 INFO  L130       PetriNetUnfolder]: 20/300 cut-off events.
[2024-02-28 18:42:40,063 INFO  L131       PetriNetUnfolder]: For 19/19 co-relation queries the response was YES.
[2024-02-28 18:42:40,063 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 328 conditions, 300 events. 20/300 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 916 event pairs, 1 based on Foata normal form. 0/257 useless extension candidates. Maximal degree in co-relation 181. Up to 16 conditions per place. 
[2024-02-28 18:42:40,063 INFO  L82        GeneralOperation]: Start removeDead. Operand has 105 places, 103 transitions, 236 flow
[2024-02-28 18:42:40,064 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 105 places, 103 transitions, 236 flow
[2024-02-28 18:42:40,064 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2024-02-28 18:42:40,064 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 103 transitions, 236 flow
[2024-02-28 18:42:40,064 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 103 transitions, 236 flow
[2024-02-28 18:42:40,064 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 105 places, 103 transitions, 236 flow
[2024-02-28 18:42:40,081 INFO  L130       PetriNetUnfolder]: 20/300 cut-off events.
[2024-02-28 18:42:40,081 INFO  L131       PetriNetUnfolder]: For 19/19 co-relation queries the response was YES.
[2024-02-28 18:42:40,081 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 328 conditions, 300 events. 20/300 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 916 event pairs, 1 based on Foata normal form. 0/257 useless extension candidates. Maximal degree in co-relation 181. Up to 16 conditions per place. 
[2024-02-28 18:42:40,085 INFO  L119        LiptonReduction]: Number of co-enabled transitions 4452
[2024-02-28 18:42:41,456 INFO  L134        LiptonReduction]: Checked pairs total: 10175
[2024-02-28 18:42:41,457 INFO  L136        LiptonReduction]: Total number of compositions: 69
[2024-02-28 18:42:41,459 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-02-28 18:42:41,460 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3fb36646, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2024-02-28 18:42:41,460 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 7 error locations.
[2024-02-28 18:42:41,462 INFO  L130       PetriNetUnfolder]: 0/4 cut-off events.
[2024-02-28 18:42:41,462 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2024-02-28 18:42:41,462 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 18:42:41,462 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1]
[2024-02-28 18:42:41,462 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2024-02-28 18:42:41,463 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 18:42:41,463 INFO  L85        PathProgramCache]: Analyzing trace with hash 608739, now seen corresponding path program 1 times
[2024-02-28 18:42:41,463 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 18:42:41,463 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533904745]
[2024-02-28 18:42:41,463 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 18:42:41,463 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 18:42:41,472 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-28 18:42:41,488 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-02-28 18:42:41,488 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-28 18:42:41,488 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533904745]
[2024-02-28 18:42:41,488 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533904745] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-28 18:42:41,488 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-28 18:42:41,489 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-02-28 18:42:41,489 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396104257]
[2024-02-28 18:42:41,489 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-28 18:42:41,489 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-02-28 18:42:41,489 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-28 18:42:41,489 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-02-28 18:42:41,489 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-02-28 18:42:41,501 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 90 out of 172
[2024-02-28 18:42:41,501 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 38 transitions, 106 flow. Second operand  has 3 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:41,501 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-28 18:42:41,501 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 172
[2024-02-28 18:42:41,501 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-28 18:42:41,812 INFO  L130       PetriNetUnfolder]: 2815/4983 cut-off events.
[2024-02-28 18:42:41,813 INFO  L131       PetriNetUnfolder]: For 394/394 co-relation queries the response was YES.
[2024-02-28 18:42:41,816 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 9510 conditions, 4983 events. 2815/4983 cut-off events. For 394/394 co-relation queries the response was YES. Maximal size of possible extension queue 221. Compared 32837 event pairs, 1785 based on Foata normal form. 0/4525 useless extension candidates. Maximal degree in co-relation 1298. Up to 4231 conditions per place. 
[2024-02-28 18:42:41,832 INFO  L137   encePairwiseOnDemand]: 168/172 looper letters, 30 selfloop transitions, 2 changer transitions 0/43 dead transitions.
[2024-02-28 18:42:41,832 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 43 transitions, 180 flow
[2024-02-28 18:42:41,833 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-02-28 18:42:41,833 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-02-28 18:42:41,833 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 304 transitions.
[2024-02-28 18:42:41,834 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5891472868217055
[2024-02-28 18:42:41,834 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 304 transitions.
[2024-02-28 18:42:41,834 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 304 transitions.
[2024-02-28 18:42:41,834 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-02-28 18:42:41,834 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 304 transitions.
[2024-02-28 18:42:41,835 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:41,836 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:41,836 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:41,836 INFO  L175             Difference]: Start difference. First operand has 42 places, 38 transitions, 106 flow. Second operand 3 states and 304 transitions.
[2024-02-28 18:42:41,836 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 43 transitions, 180 flow
[2024-02-28 18:42:41,837 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 43 transitions, 180 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-02-28 18:42:41,838 INFO  L231             Difference]: Finished difference. Result has 44 places, 38 transitions, 116 flow
[2024-02-28 18:42:41,838 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=116, PETRI_PLACES=44, PETRI_TRANSITIONS=38}
[2024-02-28 18:42:41,838 INFO  L288   CegarLoopForPetriNet]: 42 programPoint places, 2 predicate places.
[2024-02-28 18:42:41,839 INFO  L495      AbstractCegarLoop]: Abstraction has has 44 places, 38 transitions, 116 flow
[2024-02-28 18:42:41,839 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:41,839 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 18:42:41,839 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-02-28 18:42:41,839 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-02-28 18:42:41,839 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2024-02-28 18:42:41,839 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 18:42:41,840 INFO  L85        PathProgramCache]: Analyzing trace with hash 238525696, now seen corresponding path program 1 times
[2024-02-28 18:42:41,840 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 18:42:41,840 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570175429]
[2024-02-28 18:42:41,840 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 18:42:41,840 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 18:42:41,846 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-28 18:42:41,857 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-02-28 18:42:41,857 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-28 18:42:41,857 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570175429]
[2024-02-28 18:42:41,857 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570175429] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-28 18:42:41,858 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-28 18:42:41,858 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-02-28 18:42:41,858 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679960289]
[2024-02-28 18:42:41,858 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-28 18:42:41,858 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-02-28 18:42:41,858 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-28 18:42:41,858 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-02-28 18:42:41,859 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-02-28 18:42:41,877 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 87 out of 172
[2024-02-28 18:42:41,877 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 38 transitions, 116 flow. Second operand  has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:41,877 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-28 18:42:41,877 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 172
[2024-02-28 18:42:41,877 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-28 18:42:42,432 INFO  L130       PetriNetUnfolder]: 6067/9611 cut-off events.
[2024-02-28 18:42:42,432 INFO  L131       PetriNetUnfolder]: For 1266/1266 co-relation queries the response was YES.
[2024-02-28 18:42:42,439 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 19591 conditions, 9611 events. 6067/9611 cut-off events. For 1266/1266 co-relation queries the response was YES. Maximal size of possible extension queue 382. Compared 59756 event pairs, 4931 based on Foata normal form. 0/8786 useless extension candidates. Maximal degree in co-relation 19540. Up to 7918 conditions per place. 
[2024-02-28 18:42:42,468 INFO  L137   encePairwiseOnDemand]: 166/172 looper letters, 49 selfloop transitions, 5 changer transitions 0/61 dead transitions.
[2024-02-28 18:42:42,468 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 61 transitions, 295 flow
[2024-02-28 18:42:42,468 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-02-28 18:42:42,469 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-02-28 18:42:42,469 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 314 transitions.
[2024-02-28 18:42:42,469 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6085271317829457
[2024-02-28 18:42:42,469 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 314 transitions.
[2024-02-28 18:42:42,470 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 314 transitions.
[2024-02-28 18:42:42,470 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-02-28 18:42:42,470 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 314 transitions.
[2024-02-28 18:42:42,470 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:42,471 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:42,471 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:42,471 INFO  L175             Difference]: Start difference. First operand has 44 places, 38 transitions, 116 flow. Second operand 3 states and 314 transitions.
[2024-02-28 18:42:42,471 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 61 transitions, 295 flow
[2024-02-28 18:42:42,472 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 61 transitions, 292 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-02-28 18:42:42,473 INFO  L231             Difference]: Finished difference. Result has 46 places, 42 transitions, 147 flow
[2024-02-28 18:42:42,473 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=147, PETRI_PLACES=46, PETRI_TRANSITIONS=42}
[2024-02-28 18:42:42,474 INFO  L288   CegarLoopForPetriNet]: 42 programPoint places, 4 predicate places.
[2024-02-28 18:42:42,474 INFO  L495      AbstractCegarLoop]: Abstraction has has 46 places, 42 transitions, 147 flow
[2024-02-28 18:42:42,474 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:42,474 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 18:42:42,474 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-02-28 18:42:42,474 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-02-28 18:42:42,475 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2024-02-28 18:42:42,475 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 18:42:42,475 INFO  L85        PathProgramCache]: Analyzing trace with hash -1336616655, now seen corresponding path program 1 times
[2024-02-28 18:42:42,475 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 18:42:42,475 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964063444]
[2024-02-28 18:42:42,475 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 18:42:42,475 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 18:42:42,480 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-28 18:42:42,505 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-02-28 18:42:42,505 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-28 18:42:42,505 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964063444]
[2024-02-28 18:42:42,505 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964063444] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-28 18:42:42,505 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-28 18:42:42,505 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-02-28 18:42:42,506 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407980444]
[2024-02-28 18:42:42,506 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-28 18:42:42,506 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-02-28 18:42:42,506 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-28 18:42:42,506 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-02-28 18:42:42,506 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-02-28 18:42:42,530 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 90 out of 172
[2024-02-28 18:42:42,530 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 42 transitions, 147 flow. Second operand  has 4 states, 4 states have (on average 91.5) internal successors, (366), 4 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:42,531 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-28 18:42:42,531 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 172
[2024-02-28 18:42:42,531 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-28 18:42:42,883 INFO  L130       PetriNetUnfolder]: 3162/5514 cut-off events.
[2024-02-28 18:42:42,884 INFO  L131       PetriNetUnfolder]: For 1355/2003 co-relation queries the response was YES.
[2024-02-28 18:42:42,890 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 12182 conditions, 5514 events. 3162/5514 cut-off events. For 1355/2003 co-relation queries the response was YES. Maximal size of possible extension queue 221. Compared 36291 event pairs, 1811 based on Foata normal form. 532/5797 useless extension candidates. Maximal degree in co-relation 4425. Up to 2993 conditions per place. 
[2024-02-28 18:42:42,906 INFO  L137   encePairwiseOnDemand]: 168/172 looper letters, 44 selfloop transitions, 3 changer transitions 0/60 dead transitions.
[2024-02-28 18:42:42,906 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 60 transitions, 291 flow
[2024-02-28 18:42:42,906 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-02-28 18:42:42,906 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-02-28 18:42:42,907 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 404 transitions.
[2024-02-28 18:42:42,908 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5872093023255814
[2024-02-28 18:42:42,908 INFO  L72            ComplementDD]: Start complementDD. Operand 4 states and 404 transitions.
[2024-02-28 18:42:42,908 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 404 transitions.
[2024-02-28 18:42:42,908 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-02-28 18:42:42,908 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 404 transitions.
[2024-02-28 18:42:42,909 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 5 states, 4 states have (on average 101.0) internal successors, (404), 4 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:42,911 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 5 states, 5 states have (on average 172.0) internal successors, (860), 5 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:42,911 INFO  L81            ComplementDD]: Finished complementDD. Result  has 5 states, 5 states have (on average 172.0) internal successors, (860), 5 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:42,911 INFO  L175             Difference]: Start difference. First operand has 46 places, 42 transitions, 147 flow. Second operand 4 states and 404 transitions.
[2024-02-28 18:42:42,911 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 60 transitions, 291 flow
[2024-02-28 18:42:42,914 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 60 transitions, 285 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-02-28 18:42:42,915 INFO  L231             Difference]: Finished difference. Result has 49 places, 43 transitions, 158 flow
[2024-02-28 18:42:42,915 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=158, PETRI_PLACES=49, PETRI_TRANSITIONS=43}
[2024-02-28 18:42:42,916 INFO  L288   CegarLoopForPetriNet]: 42 programPoint places, 7 predicate places.
[2024-02-28 18:42:42,916 INFO  L495      AbstractCegarLoop]: Abstraction has has 49 places, 43 transitions, 158 flow
[2024-02-28 18:42:42,916 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 91.5) internal successors, (366), 4 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:42,916 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 18:42:42,916 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-02-28 18:42:42,916 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-02-28 18:42:42,917 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2024-02-28 18:42:42,917 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 18:42:42,923 INFO  L85        PathProgramCache]: Analyzing trace with hash 205097922, now seen corresponding path program 1 times
[2024-02-28 18:42:42,923 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 18:42:42,923 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703144982]
[2024-02-28 18:42:42,923 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 18:42:42,924 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 18:42:42,930 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-28 18:42:42,943 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-02-28 18:42:42,943 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-28 18:42:42,944 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703144982]
[2024-02-28 18:42:42,944 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703144982] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-28 18:42:42,944 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-28 18:42:42,944 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-02-28 18:42:42,944 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029248261]
[2024-02-28 18:42:42,944 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-28 18:42:42,944 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-02-28 18:42:42,944 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-28 18:42:42,944 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-02-28 18:42:42,945 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-02-28 18:42:42,960 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 87 out of 172
[2024-02-28 18:42:42,961 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 43 transitions, 158 flow. Second operand  has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:42,961 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-28 18:42:42,961 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 172
[2024-02-28 18:42:42,961 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-28 18:42:43,466 INFO  L130       PetriNetUnfolder]: 5873/9526 cut-off events.
[2024-02-28 18:42:43,466 INFO  L131       PetriNetUnfolder]: For 4841/4966 co-relation queries the response was YES.
[2024-02-28 18:42:43,474 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 22533 conditions, 9526 events. 5873/9526 cut-off events. For 4841/4966 co-relation queries the response was YES. Maximal size of possible extension queue 340. Compared 60023 event pairs, 3788 based on Foata normal form. 0/9071 useless extension candidates. Maximal degree in co-relation 8932. Up to 6762 conditions per place. 
[2024-02-28 18:42:43,494 INFO  L137   encePairwiseOnDemand]: 165/172 looper letters, 53 selfloop transitions, 9 changer transitions 0/69 dead transitions.
[2024-02-28 18:42:43,494 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 69 transitions, 377 flow
[2024-02-28 18:42:43,495 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-02-28 18:42:43,495 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-02-28 18:42:43,495 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 314 transitions.
[2024-02-28 18:42:43,496 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6085271317829457
[2024-02-28 18:42:43,496 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 314 transitions.
[2024-02-28 18:42:43,496 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 314 transitions.
[2024-02-28 18:42:43,496 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-02-28 18:42:43,496 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 314 transitions.
[2024-02-28 18:42:43,497 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:43,497 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:43,498 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:43,498 INFO  L175             Difference]: Start difference. First operand has 49 places, 43 transitions, 158 flow. Second operand 3 states and 314 transitions.
[2024-02-28 18:42:43,498 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 69 transitions, 377 flow
[2024-02-28 18:42:43,503 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 69 transitions, 371 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-02-28 18:42:43,504 INFO  L231             Difference]: Finished difference. Result has 51 places, 50 transitions, 234 flow
[2024-02-28 18:42:43,504 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=234, PETRI_PLACES=51, PETRI_TRANSITIONS=50}
[2024-02-28 18:42:43,505 INFO  L288   CegarLoopForPetriNet]: 42 programPoint places, 9 predicate places.
[2024-02-28 18:42:43,505 INFO  L495      AbstractCegarLoop]: Abstraction has has 51 places, 50 transitions, 234 flow
[2024-02-28 18:42:43,505 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:43,505 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 18:42:43,505 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-02-28 18:42:43,505 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-02-28 18:42:43,505 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2024-02-28 18:42:43,506 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 18:42:43,506 INFO  L85        PathProgramCache]: Analyzing trace with hash 778148188, now seen corresponding path program 1 times
[2024-02-28 18:42:43,506 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 18:42:43,506 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980375478]
[2024-02-28 18:42:43,506 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 18:42:43,506 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 18:42:43,514 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-28 18:42:43,553 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-02-28 18:42:43,553 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-28 18:42:43,553 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980375478]
[2024-02-28 18:42:43,553 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980375478] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-28 18:42:43,553 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-28 18:42:43,554 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-02-28 18:42:43,554 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785976584]
[2024-02-28 18:42:43,554 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-28 18:42:43,554 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-02-28 18:42:43,554 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-28 18:42:43,554 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-02-28 18:42:43,554 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-02-28 18:42:43,570 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 88 out of 172
[2024-02-28 18:42:43,570 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 50 transitions, 234 flow. Second operand  has 3 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:43,570 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-28 18:42:43,570 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 172
[2024-02-28 18:42:43,570 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-28 18:42:43,696 INFO  L130       PetriNetUnfolder]: 663/1671 cut-off events.
[2024-02-28 18:42:43,697 INFO  L131       PetriNetUnfolder]: For 1269/1279 co-relation queries the response was YES.
[2024-02-28 18:42:43,698 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 4394 conditions, 1671 events. 663/1671 cut-off events. For 1269/1279 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 11341 event pairs, 162 based on Foata normal form. 312/1943 useless extension candidates. Maximal degree in co-relation 1621. Up to 1001 conditions per place. 
[2024-02-28 18:42:43,702 INFO  L137   encePairwiseOnDemand]: 166/172 looper letters, 40 selfloop transitions, 7 changer transitions 0/58 dead transitions.
[2024-02-28 18:42:43,702 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 58 transitions, 347 flow
[2024-02-28 18:42:43,702 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-02-28 18:42:43,702 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-02-28 18:42:43,703 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 305 transitions.
[2024-02-28 18:42:43,703 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5910852713178295
[2024-02-28 18:42:43,703 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 305 transitions.
[2024-02-28 18:42:43,703 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 305 transitions.
[2024-02-28 18:42:43,703 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-02-28 18:42:43,703 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 305 transitions.
[2024-02-28 18:42:43,704 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:43,705 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:43,705 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:43,705 INFO  L175             Difference]: Start difference. First operand has 51 places, 50 transitions, 234 flow. Second operand 3 states and 305 transitions.
[2024-02-28 18:42:43,705 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 58 transitions, 347 flow
[2024-02-28 18:42:43,707 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 58 transitions, 335 flow, removed 2 selfloop flow, removed 2 redundant places.
[2024-02-28 18:42:43,708 INFO  L231             Difference]: Finished difference. Result has 51 places, 44 transitions, 188 flow
[2024-02-28 18:42:43,708 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=188, PETRI_PLACES=51, PETRI_TRANSITIONS=44}
[2024-02-28 18:42:43,709 INFO  L288   CegarLoopForPetriNet]: 42 programPoint places, 9 predicate places.
[2024-02-28 18:42:43,709 INFO  L495      AbstractCegarLoop]: Abstraction has has 51 places, 44 transitions, 188 flow
[2024-02-28 18:42:43,709 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:43,709 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 18:42:43,709 INFO  L209   CegarLoopForPetriNet]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1]
[2024-02-28 18:42:43,709 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-02-28 18:42:43,709 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2024-02-28 18:42:43,710 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 18:42:43,710 INFO  L85        PathProgramCache]: Analyzing trace with hash -1624936462, now seen corresponding path program 1 times
[2024-02-28 18:42:43,710 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 18:42:43,710 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450510098]
[2024-02-28 18:42:43,710 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 18:42:43,710 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 18:42:43,720 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-02-28 18:42:43,720 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-02-28 18:42:43,727 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-02-28 18:42:43,730 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-02-28 18:42:43,730 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-02-28 18:42:43,730 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining)
[2024-02-28 18:42:43,731 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining)
[2024-02-28 18:42:43,731 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining)
[2024-02-28 18:42:43,731 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining)
[2024-02-28 18:42:43,731 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining)
[2024-02-28 18:42:43,731 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining)
[2024-02-28 18:42:43,731 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining)
[2024-02-28 18:42:43,731 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-02-28 18:42:43,731 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2024-02-28 18:42:43,732 WARN  L233   ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-02-28 18:42:43,732 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances.
[2024-02-28 18:42:43,744 INFO  L144    ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions.
[2024-02-28 18:42:43,746 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 122 places, 119 transitions, 282 flow
[2024-02-28 18:42:43,794 INFO  L130       PetriNetUnfolder]: 42/531 cut-off events.
[2024-02-28 18:42:43,794 INFO  L131       PetriNetUnfolder]: For 48/48 co-relation queries the response was YES.
[2024-02-28 18:42:43,795 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 586 conditions, 531 events. 42/531 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2085 event pairs, 6 based on Foata normal form. 0/453 useless extension candidates. Maximal degree in co-relation 320. Up to 32 conditions per place. 
[2024-02-28 18:42:43,795 INFO  L82        GeneralOperation]: Start removeDead. Operand has 122 places, 119 transitions, 282 flow
[2024-02-28 18:42:43,796 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 122 places, 119 transitions, 282 flow
[2024-02-28 18:42:43,796 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2024-02-28 18:42:43,796 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 119 transitions, 282 flow
[2024-02-28 18:42:43,796 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 119 transitions, 282 flow
[2024-02-28 18:42:43,796 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 122 places, 119 transitions, 282 flow
[2024-02-28 18:42:43,825 INFO  L130       PetriNetUnfolder]: 42/531 cut-off events.
[2024-02-28 18:42:43,825 INFO  L131       PetriNetUnfolder]: For 48/48 co-relation queries the response was YES.
[2024-02-28 18:42:43,826 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 586 conditions, 531 events. 42/531 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2085 event pairs, 6 based on Foata normal form. 0/453 useless extension candidates. Maximal degree in co-relation 320. Up to 32 conditions per place. 
[2024-02-28 18:42:43,834 INFO  L119        LiptonReduction]: Number of co-enabled transitions 6888
[2024-02-28 18:42:45,471 INFO  L134        LiptonReduction]: Checked pairs total: 17351
[2024-02-28 18:42:45,472 INFO  L136        LiptonReduction]: Total number of compositions: 76
[2024-02-28 18:42:45,473 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-02-28 18:42:45,473 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3fb36646, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2024-02-28 18:42:45,473 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 8 error locations.
[2024-02-28 18:42:45,474 INFO  L130       PetriNetUnfolder]: 0/4 cut-off events.
[2024-02-28 18:42:45,474 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2024-02-28 18:42:45,474 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 18:42:45,474 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1]
[2024-02-28 18:42:45,474 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] ===
[2024-02-28 18:42:45,475 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 18:42:45,475 INFO  L85        PathProgramCache]: Analyzing trace with hash 818201, now seen corresponding path program 1 times
[2024-02-28 18:42:45,475 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 18:42:45,475 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929538362]
[2024-02-28 18:42:45,475 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 18:42:45,475 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 18:42:45,479 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-28 18:42:45,495 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-02-28 18:42:45,495 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-28 18:42:45,495 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929538362]
[2024-02-28 18:42:45,495 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929538362] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-28 18:42:45,495 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-28 18:42:45,495 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-02-28 18:42:45,495 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76961110]
[2024-02-28 18:42:45,495 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-28 18:42:45,496 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-02-28 18:42:45,496 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-28 18:42:45,496 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-02-28 18:42:45,496 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-02-28 18:42:45,509 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 106 out of 195
[2024-02-28 18:42:45,510 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 46 transitions, 136 flow. Second operand  has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:45,510 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-28 18:42:45,510 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 195
[2024-02-28 18:42:45,510 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-28 18:42:47,489 INFO  L130       PetriNetUnfolder]: 26018/38924 cut-off events.
[2024-02-28 18:42:47,490 INFO  L131       PetriNetUnfolder]: For 3846/3846 co-relation queries the response was YES.
[2024-02-28 18:42:47,531 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 76589 conditions, 38924 events. 26018/38924 cut-off events. For 3846/3846 co-relation queries the response was YES. Maximal size of possible extension queue 1210. Compared 273684 event pairs, 19152 based on Foata normal form. 0/35999 useless extension candidates. Maximal degree in co-relation 10917. Up to 35539 conditions per place. 
[2024-02-28 18:42:47,643 INFO  L137   encePairwiseOnDemand]: 191/195 looper letters, 37 selfloop transitions, 2 changer transitions 0/51 dead transitions.
[2024-02-28 18:42:47,643 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 51 transitions, 224 flow
[2024-02-28 18:42:47,644 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-02-28 18:42:47,644 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-02-28 18:42:47,645 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 359 transitions.
[2024-02-28 18:42:47,645 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6136752136752137
[2024-02-28 18:42:47,645 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 359 transitions.
[2024-02-28 18:42:47,645 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 359 transitions.
[2024-02-28 18:42:47,645 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-02-28 18:42:47,645 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 359 transitions.
[2024-02-28 18:42:47,646 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:47,647 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:47,647 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:47,647 INFO  L175             Difference]: Start difference. First operand has 51 places, 46 transitions, 136 flow. Second operand 3 states and 359 transitions.
[2024-02-28 18:42:47,647 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 51 transitions, 224 flow
[2024-02-28 18:42:47,648 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 51 transitions, 224 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-02-28 18:42:47,649 INFO  L231             Difference]: Finished difference. Result has 53 places, 46 transitions, 146 flow
[2024-02-28 18:42:47,649 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=146, PETRI_PLACES=53, PETRI_TRANSITIONS=46}
[2024-02-28 18:42:47,649 INFO  L288   CegarLoopForPetriNet]: 51 programPoint places, 2 predicate places.
[2024-02-28 18:42:47,650 INFO  L495      AbstractCegarLoop]: Abstraction has has 53 places, 46 transitions, 146 flow
[2024-02-28 18:42:47,650 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:47,650 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 18:42:47,650 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-02-28 18:42:47,650 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-02-28 18:42:47,650 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] ===
[2024-02-28 18:42:47,650 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 18:42:47,650 INFO  L85        PathProgramCache]: Analyzing trace with hash 461890703, now seen corresponding path program 1 times
[2024-02-28 18:42:47,651 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 18:42:47,651 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555271524]
[2024-02-28 18:42:47,651 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 18:42:47,651 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 18:42:47,657 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-28 18:42:47,666 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-02-28 18:42:47,666 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-28 18:42:47,666 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555271524]
[2024-02-28 18:42:47,666 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555271524] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-28 18:42:47,666 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-28 18:42:47,666 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-02-28 18:42:47,666 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060856538]
[2024-02-28 18:42:47,667 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-28 18:42:47,667 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-02-28 18:42:47,667 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-28 18:42:47,667 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-02-28 18:42:47,667 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-02-28 18:42:47,688 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 100 out of 195
[2024-02-28 18:42:47,689 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 46 transitions, 146 flow. Second operand  has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:47,689 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-28 18:42:47,689 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 195
[2024-02-28 18:42:47,689 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-28 18:42:52,018 INFO  L130       PetriNetUnfolder]: 63239/89865 cut-off events.
[2024-02-28 18:42:52,018 INFO  L131       PetriNetUnfolder]: For 12171/12171 co-relation queries the response was YES.
[2024-02-28 18:42:52,151 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 183282 conditions, 89865 events. 63239/89865 cut-off events. For 12171/12171 co-relation queries the response was YES. Maximal size of possible extension queue 2435. Compared 619750 event pairs, 44385 based on Foata normal form. 0/83611 useless extension candidates. Maximal degree in co-relation 183230. Up to 66785 conditions per place. 
[2024-02-28 18:42:52,433 INFO  L137   encePairwiseOnDemand]: 187/195 looper letters, 62 selfloop transitions, 7 changer transitions 0/77 dead transitions.
[2024-02-28 18:42:52,434 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 77 transitions, 383 flow
[2024-02-28 18:42:52,434 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-02-28 18:42:52,435 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-02-28 18:42:52,436 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 368 transitions.
[2024-02-28 18:42:52,436 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.629059829059829
[2024-02-28 18:42:52,436 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 368 transitions.
[2024-02-28 18:42:52,436 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 368 transitions.
[2024-02-28 18:42:52,436 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-02-28 18:42:52,436 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 368 transitions.
[2024-02-28 18:42:52,437 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:52,438 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:52,438 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:52,438 INFO  L175             Difference]: Start difference. First operand has 53 places, 46 transitions, 146 flow. Second operand 3 states and 368 transitions.
[2024-02-28 18:42:52,438 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 77 transitions, 383 flow
[2024-02-28 18:42:52,441 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 77 transitions, 380 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-02-28 18:42:52,441 INFO  L231             Difference]: Finished difference. Result has 56 places, 52 transitions, 198 flow
[2024-02-28 18:42:52,442 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=198, PETRI_PLACES=56, PETRI_TRANSITIONS=52}
[2024-02-28 18:42:52,442 INFO  L288   CegarLoopForPetriNet]: 51 programPoint places, 5 predicate places.
[2024-02-28 18:42:52,442 INFO  L495      AbstractCegarLoop]: Abstraction has has 56 places, 52 transitions, 198 flow
[2024-02-28 18:42:52,442 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:52,442 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 18:42:52,442 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-02-28 18:42:52,443 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-02-28 18:42:52,443 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] ===
[2024-02-28 18:42:52,443 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 18:42:52,443 INFO  L85        PathProgramCache]: Analyzing trace with hash 1277334436, now seen corresponding path program 1 times
[2024-02-28 18:42:52,443 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 18:42:52,443 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717959643]
[2024-02-28 18:42:52,443 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 18:42:52,443 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 18:42:52,449 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-28 18:42:52,472 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-02-28 18:42:52,472 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-28 18:42:52,472 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717959643]
[2024-02-28 18:42:52,472 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717959643] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-28 18:42:52,472 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-28 18:42:52,472 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-02-28 18:42:52,472 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161345040]
[2024-02-28 18:42:52,472 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-28 18:42:52,473 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-02-28 18:42:52,473 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-28 18:42:52,473 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-02-28 18:42:52,473 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-02-28 18:42:52,504 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 104 out of 195
[2024-02-28 18:42:52,504 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 52 transitions, 198 flow. Second operand  has 4 states, 4 states have (on average 105.5) internal successors, (422), 4 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:52,504 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-28 18:42:52,505 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 195
[2024-02-28 18:42:52,505 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-28 18:42:55,523 INFO  L130       PetriNetUnfolder]: 38334/57310 cut-off events.
[2024-02-28 18:42:55,523 INFO  L131       PetriNetUnfolder]: For 24745/30975 co-relation queries the response was YES.
[2024-02-28 18:42:55,619 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 133333 conditions, 57310 events. 38334/57310 cut-off events. For 24745/30975 co-relation queries the response was YES. Maximal size of possible extension queue 1673. Compared 426467 event pairs, 21787 based on Foata normal form. 3440/57900 useless extension candidates. Maximal degree in co-relation 40685. Up to 34292 conditions per place. 
[2024-02-28 18:42:55,796 INFO  L137   encePairwiseOnDemand]: 191/195 looper letters, 61 selfloop transitions, 3 changer transitions 0/78 dead transitions.
[2024-02-28 18:42:55,796 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 78 transitions, 408 flow
[2024-02-28 18:42:55,797 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-02-28 18:42:55,797 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-02-28 18:42:55,798 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 473 transitions.
[2024-02-28 18:42:55,798 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6064102564102564
[2024-02-28 18:42:55,798 INFO  L72            ComplementDD]: Start complementDD. Operand 4 states and 473 transitions.
[2024-02-28 18:42:55,798 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 473 transitions.
[2024-02-28 18:42:55,798 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-02-28 18:42:55,798 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 473 transitions.
[2024-02-28 18:42:55,799 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 5 states, 4 states have (on average 118.25) internal successors, (473), 4 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:55,800 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 5 states, 5 states have (on average 195.0) internal successors, (975), 5 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:55,800 INFO  L81            ComplementDD]: Finished complementDD. Result  has 5 states, 5 states have (on average 195.0) internal successors, (975), 5 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:55,800 INFO  L175             Difference]: Start difference. First operand has 56 places, 52 transitions, 198 flow. Second operand 4 states and 473 transitions.
[2024-02-28 18:42:55,800 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 78 transitions, 408 flow
[2024-02-28 18:42:55,855 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 78 transitions, 388 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-02-28 18:42:55,856 INFO  L231             Difference]: Finished difference. Result has 58 places, 53 transitions, 200 flow
[2024-02-28 18:42:55,857 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=200, PETRI_PLACES=58, PETRI_TRANSITIONS=53}
[2024-02-28 18:42:55,857 INFO  L288   CegarLoopForPetriNet]: 51 programPoint places, 7 predicate places.
[2024-02-28 18:42:55,857 INFO  L495      AbstractCegarLoop]: Abstraction has has 58 places, 53 transitions, 200 flow
[2024-02-28 18:42:55,857 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 105.5) internal successors, (422), 4 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:55,857 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 18:42:55,857 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-02-28 18:42:55,858 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-02-28 18:42:55,858 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] ===
[2024-02-28 18:42:55,858 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 18:42:55,858 INFO  L85        PathProgramCache]: Analyzing trace with hash 422619653, now seen corresponding path program 1 times
[2024-02-28 18:42:55,858 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 18:42:55,858 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135855040]
[2024-02-28 18:42:55,858 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 18:42:55,858 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 18:42:55,864 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-28 18:42:55,874 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-02-28 18:42:55,874 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-28 18:42:55,874 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135855040]
[2024-02-28 18:42:55,874 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135855040] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-28 18:42:55,874 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-28 18:42:55,874 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-02-28 18:42:55,874 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456291295]
[2024-02-28 18:42:55,874 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-28 18:42:55,875 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-02-28 18:42:55,875 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-28 18:42:55,875 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-02-28 18:42:55,875 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-02-28 18:42:55,892 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 100 out of 195
[2024-02-28 18:42:55,893 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 53 transitions, 200 flow. Second operand  has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:42:55,893 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-28 18:42:55,893 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 195
[2024-02-28 18:42:55,893 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-28 18:43:00,945 INFO  L130       PetriNetUnfolder]: 61761/89630 cut-off events.
[2024-02-28 18:43:00,945 INFO  L131       PetriNetUnfolder]: For 43426/44605 co-relation queries the response was YES.
[2024-02-28 18:43:01,061 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 214372 conditions, 89630 events. 61761/89630 cut-off events. For 43426/44605 co-relation queries the response was YES. Maximal size of possible extension queue 2204. Compared 635112 event pairs, 46546 based on Foata normal form. 0/85570 useless extension candidates. Maximal degree in co-relation 77115. Up to 75594 conditions per place. 
[2024-02-28 18:43:01,321 INFO  L137   encePairwiseOnDemand]: 188/195 looper letters, 68 selfloop transitions, 10 changer transitions 0/86 dead transitions.
[2024-02-28 18:43:01,321 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 86 transitions, 483 flow
[2024-02-28 18:43:01,322 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-02-28 18:43:01,322 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-02-28 18:43:01,322 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 366 transitions.
[2024-02-28 18:43:01,323 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6256410256410256
[2024-02-28 18:43:01,323 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 366 transitions.
[2024-02-28 18:43:01,323 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 366 transitions.
[2024-02-28 18:43:01,323 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-02-28 18:43:01,323 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 366 transitions.
[2024-02-28 18:43:01,324 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:43:01,324 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:43:01,325 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:43:01,325 INFO  L175             Difference]: Start difference. First operand has 58 places, 53 transitions, 200 flow. Second operand 3 states and 366 transitions.
[2024-02-28 18:43:01,325 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 86 transitions, 483 flow
[2024-02-28 18:43:01,517 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 86 transitions, 477 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-02-28 18:43:01,518 INFO  L231             Difference]: Finished difference. Result has 59 places, 61 transitions, 278 flow
[2024-02-28 18:43:01,518 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=278, PETRI_PLACES=59, PETRI_TRANSITIONS=61}
[2024-02-28 18:43:01,518 INFO  L288   CegarLoopForPetriNet]: 51 programPoint places, 8 predicate places.
[2024-02-28 18:43:01,518 INFO  L495      AbstractCegarLoop]: Abstraction has has 59 places, 61 transitions, 278 flow
[2024-02-28 18:43:01,518 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:43:01,519 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 18:43:01,519 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-02-28 18:43:01,519 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-02-28 18:43:01,519 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] ===
[2024-02-28 18:43:01,519 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 18:43:01,519 INFO  L85        PathProgramCache]: Analyzing trace with hash 1345369614, now seen corresponding path program 1 times
[2024-02-28 18:43:01,519 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 18:43:01,519 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463506050]
[2024-02-28 18:43:01,519 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 18:43:01,520 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 18:43:01,526 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-28 18:43:01,553 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-02-28 18:43:01,553 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-28 18:43:01,553 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463506050]
[2024-02-28 18:43:01,553 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463506050] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-28 18:43:01,554 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-28 18:43:01,554 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-02-28 18:43:01,554 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171357634]
[2024-02-28 18:43:01,554 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-28 18:43:01,554 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-02-28 18:43:01,554 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-28 18:43:01,554 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-02-28 18:43:01,554 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-02-28 18:43:01,571 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 100 out of 195
[2024-02-28 18:43:01,572 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 61 transitions, 278 flow. Second operand  has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:43:01,572 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-28 18:43:01,572 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 195
[2024-02-28 18:43:01,572 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-28 18:43:01,972 INFO  L130       PetriNetUnfolder]: 2892/6733 cut-off events.
[2024-02-28 18:43:01,972 INFO  L131       PetriNetUnfolder]: For 5552/5590 co-relation queries the response was YES.
[2024-02-28 18:43:01,982 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 17320 conditions, 6733 events. 2892/6733 cut-off events. For 5552/5590 co-relation queries the response was YES. Maximal size of possible extension queue 247. Compared 57260 event pairs, 659 based on Foata normal form. 2073/8642 useless extension candidates. Maximal degree in co-relation 6273. Up to 4336 conditions per place. 
[2024-02-28 18:43:01,997 INFO  L137   encePairwiseOnDemand]: 187/195 looper letters, 47 selfloop transitions, 9 changer transitions 0/68 dead transitions.
[2024-02-28 18:43:01,998 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 68 transitions, 410 flow
[2024-02-28 18:43:01,998 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-02-28 18:43:01,998 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-02-28 18:43:01,999 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 351 transitions.
[2024-02-28 18:43:01,999 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6
[2024-02-28 18:43:01,999 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 351 transitions.
[2024-02-28 18:43:01,999 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 351 transitions.
[2024-02-28 18:43:01,999 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-02-28 18:43:01,999 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 351 transitions.
[2024-02-28 18:43:02,000 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:43:02,001 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:43:02,001 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:43:02,001 INFO  L175             Difference]: Start difference. First operand has 59 places, 61 transitions, 278 flow. Second operand 3 states and 351 transitions.
[2024-02-28 18:43:02,001 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 68 transitions, 410 flow
[2024-02-28 18:43:02,010 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 68 transitions, 403 flow, removed 2 selfloop flow, removed 1 redundant places.
[2024-02-28 18:43:02,011 INFO  L231             Difference]: Finished difference. Result has 60 places, 52 transitions, 226 flow
[2024-02-28 18:43:02,011 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=226, PETRI_PLACES=60, PETRI_TRANSITIONS=52}
[2024-02-28 18:43:02,012 INFO  L288   CegarLoopForPetriNet]: 51 programPoint places, 9 predicate places.
[2024-02-28 18:43:02,012 INFO  L495      AbstractCegarLoop]: Abstraction has has 60 places, 52 transitions, 226 flow
[2024-02-28 18:43:02,012 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:43:02,012 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 18:43:02,012 INFO  L209   CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-02-28 18:43:02,012 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-02-28 18:43:02,012 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] ===
[2024-02-28 18:43:02,013 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 18:43:02,013 INFO  L85        PathProgramCache]: Analyzing trace with hash 1727818670, now seen corresponding path program 1 times
[2024-02-28 18:43:02,013 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 18:43:02,013 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802632135]
[2024-02-28 18:43:02,013 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 18:43:02,013 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 18:43:02,021 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-28 18:43:02,037 INFO  L134       CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2024-02-28 18:43:02,037 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-28 18:43:02,038 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802632135]
[2024-02-28 18:43:02,038 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802632135] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-28 18:43:02,038 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-28 18:43:02,038 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-02-28 18:43:02,038 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417870373]
[2024-02-28 18:43:02,038 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-28 18:43:02,038 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-02-28 18:43:02,038 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-28 18:43:02,038 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-02-28 18:43:02,039 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-02-28 18:43:02,058 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 100 out of 195
[2024-02-28 18:43:02,058 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 52 transitions, 226 flow. Second operand  has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:43:02,058 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-28 18:43:02,058 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 195
[2024-02-28 18:43:02,059 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-28 18:43:02,518 INFO  L130       PetriNetUnfolder]: 3391/7796 cut-off events.
[2024-02-28 18:43:02,518 INFO  L131       PetriNetUnfolder]: For 6336/6374 co-relation queries the response was YES.
[2024-02-28 18:43:02,530 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 20996 conditions, 7796 events. 3391/7796 cut-off events. For 6336/6374 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 65692 event pairs, 3007 based on Foata normal form. 0/7409 useless extension candidates. Maximal degree in co-relation 5279. Up to 6329 conditions per place. 
[2024-02-28 18:43:02,550 INFO  L137   encePairwiseOnDemand]: 191/195 looper letters, 54 selfloop transitions, 3 changer transitions 0/65 dead transitions.
[2024-02-28 18:43:02,550 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 65 transitions, 400 flow
[2024-02-28 18:43:02,551 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-02-28 18:43:02,551 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-02-28 18:43:02,552 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 350 transitions.
[2024-02-28 18:43:02,552 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5982905982905983
[2024-02-28 18:43:02,552 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 350 transitions.
[2024-02-28 18:43:02,552 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 350 transitions.
[2024-02-28 18:43:02,552 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-02-28 18:43:02,552 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 350 transitions.
[2024-02-28 18:43:02,553 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:43:02,554 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:43:02,554 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:43:02,554 INFO  L175             Difference]: Start difference. First operand has 60 places, 52 transitions, 226 flow. Second operand 3 states and 350 transitions.
[2024-02-28 18:43:02,554 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 65 transitions, 400 flow
[2024-02-28 18:43:02,560 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 65 transitions, 391 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-02-28 18:43:02,561 INFO  L231             Difference]: Finished difference. Result has 62 places, 54 transitions, 242 flow
[2024-02-28 18:43:02,561 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=217, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=242, PETRI_PLACES=62, PETRI_TRANSITIONS=54}
[2024-02-28 18:43:02,562 INFO  L288   CegarLoopForPetriNet]: 51 programPoint places, 11 predicate places.
[2024-02-28 18:43:02,562 INFO  L495      AbstractCegarLoop]: Abstraction has has 62 places, 54 transitions, 242 flow
[2024-02-28 18:43:02,562 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:43:02,562 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 18:43:02,562 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-02-28 18:43:02,562 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-02-28 18:43:02,563 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] ===
[2024-02-28 18:43:02,563 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 18:43:02,563 INFO  L85        PathProgramCache]: Analyzing trace with hash 948274906, now seen corresponding path program 1 times
[2024-02-28 18:43:02,563 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 18:43:02,563 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57387190]
[2024-02-28 18:43:02,563 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 18:43:02,563 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 18:43:02,574 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-28 18:43:02,591 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-02-28 18:43:02,591 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-28 18:43:02,591 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57387190]
[2024-02-28 18:43:02,591 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57387190] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-28 18:43:02,592 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-28 18:43:02,592 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-02-28 18:43:02,592 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422551877]
[2024-02-28 18:43:02,592 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-28 18:43:02,592 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-02-28 18:43:02,592 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-28 18:43:02,592 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-02-28 18:43:02,592 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-02-28 18:43:02,612 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 102 out of 195
[2024-02-28 18:43:02,612 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 54 transitions, 242 flow. Second operand  has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:43:02,612 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-28 18:43:02,612 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 195
[2024-02-28 18:43:02,612 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-28 18:43:03,353 INFO  L130       PetriNetUnfolder]: 4657/10054 cut-off events.
[2024-02-28 18:43:03,353 INFO  L131       PetriNetUnfolder]: For 8934/8991 co-relation queries the response was YES.
[2024-02-28 18:43:03,366 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 27767 conditions, 10054 events. 4657/10054 cut-off events. For 8934/8991 co-relation queries the response was YES. Maximal size of possible extension queue 369. Compared 83633 event pairs, 2809 based on Foata normal form. 0/9753 useless extension candidates. Maximal degree in co-relation 9817. Up to 6857 conditions per place. 
[2024-02-28 18:43:03,382 INFO  L137   encePairwiseOnDemand]: 188/195 looper letters, 60 selfloop transitions, 9 changer transitions 0/76 dead transitions.
[2024-02-28 18:43:03,382 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 76 transitions, 460 flow
[2024-02-28 18:43:03,383 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-02-28 18:43:03,383 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-02-28 18:43:03,384 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 367 transitions.
[2024-02-28 18:43:03,384 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6273504273504273
[2024-02-28 18:43:03,384 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 367 transitions.
[2024-02-28 18:43:03,384 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 367 transitions.
[2024-02-28 18:43:03,384 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-02-28 18:43:03,384 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 367 transitions.
[2024-02-28 18:43:03,385 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:43:03,386 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:43:03,386 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:43:03,386 INFO  L175             Difference]: Start difference. First operand has 62 places, 54 transitions, 242 flow. Second operand 3 states and 367 transitions.
[2024-02-28 18:43:03,386 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 76 transitions, 460 flow
[2024-02-28 18:43:03,394 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 76 transitions, 451 flow, removed 2 selfloop flow, removed 1 redundant places.
[2024-02-28 18:43:03,395 INFO  L231             Difference]: Finished difference. Result has 65 places, 59 transitions, 311 flow
[2024-02-28 18:43:03,395 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=235, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=311, PETRI_PLACES=65, PETRI_TRANSITIONS=59}
[2024-02-28 18:43:03,396 INFO  L288   CegarLoopForPetriNet]: 51 programPoint places, 14 predicate places.
[2024-02-28 18:43:03,396 INFO  L495      AbstractCegarLoop]: Abstraction has has 65 places, 59 transitions, 311 flow
[2024-02-28 18:43:03,396 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:43:03,396 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 18:43:03,396 INFO  L209   CegarLoopForPetriNet]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1]
[2024-02-28 18:43:03,396 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2024-02-28 18:43:03,396 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] ===
[2024-02-28 18:43:03,396 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 18:43:03,396 INFO  L85        PathProgramCache]: Analyzing trace with hash 441686513, now seen corresponding path program 1 times
[2024-02-28 18:43:03,397 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 18:43:03,397 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983244243]
[2024-02-28 18:43:03,397 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 18:43:03,397 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 18:43:03,407 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-28 18:43:03,471 INFO  L134       CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-02-28 18:43:03,471 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-28 18:43:03,471 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983244243]
[2024-02-28 18:43:03,471 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983244243] provided 0 perfect and 1 imperfect interpolant sequences
[2024-02-28 18:43:03,471 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813319925]
[2024-02-28 18:43:03,471 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 18:43:03,472 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-02-28 18:43:03,472 INFO  L189       MonitoredProcess]: No working directory specified, using /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3
[2024-02-28 18:43:03,473 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-02-28 18:43:03,483 INFO  L327       MonitoredProcess]: [MP /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-02-28 18:43:03,582 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-28 18:43:03,584 INFO  L263         TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 7 conjunts are in the unsatisfiable core
[2024-02-28 18:43:03,585 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2024-02-28 18:43:03,724 INFO  L134       CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-02-28 18:43:03,724 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-02-28 18:43:03,724 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1813319925] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-28 18:43:03,724 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-02-28 18:43:03,724 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 11
[2024-02-28 18:43:03,725 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877484423]
[2024-02-28 18:43:03,725 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-28 18:43:03,725 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-02-28 18:43:03,725 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-28 18:43:03,725 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-02-28 18:43:03,725 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132
[2024-02-28 18:43:03,778 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 105 out of 195
[2024-02-28 18:43:03,778 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 59 transitions, 311 flow. Second operand  has 7 states, 7 states have (on average 107.0) internal successors, (749), 7 states have internal predecessors, (749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:43:03,778 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-28 18:43:03,779 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 195
[2024-02-28 18:43:03,779 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-28 18:43:04,575 INFO  L130       PetriNetUnfolder]: 3751/9031 cut-off events.
[2024-02-28 18:43:04,575 INFO  L131       PetriNetUnfolder]: For 9473/10229 co-relation queries the response was YES.
[2024-02-28 18:43:04,593 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 25852 conditions, 9031 events. 3751/9031 cut-off events. For 9473/10229 co-relation queries the response was YES. Maximal size of possible extension queue 373. Compared 80588 event pairs, 496 based on Foata normal form. 556/9451 useless extension candidates. Maximal degree in co-relation 11816. Up to 5598 conditions per place. 
[2024-02-28 18:43:04,609 INFO  L137   encePairwiseOnDemand]: 192/195 looper letters, 109 selfloop transitions, 5 changer transitions 10/139 dead transitions.
[2024-02-28 18:43:04,609 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 139 transitions, 899 flow
[2024-02-28 18:43:04,609 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-02-28 18:43:04,609 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2024-02-28 18:43:04,611 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 837 transitions.
[2024-02-28 18:43:04,611 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6131868131868132
[2024-02-28 18:43:04,611 INFO  L72            ComplementDD]: Start complementDD. Operand 7 states and 837 transitions.
[2024-02-28 18:43:04,611 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 7 states and 837 transitions.
[2024-02-28 18:43:04,612 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-02-28 18:43:04,612 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 837 transitions.
[2024-02-28 18:43:04,613 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 8 states, 7 states have (on average 119.57142857142857) internal successors, (837), 7 states have internal predecessors, (837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:43:04,615 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 8 states, 8 states have (on average 195.0) internal successors, (1560), 8 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:43:04,615 INFO  L81            ComplementDD]: Finished complementDD. Result  has 8 states, 8 states have (on average 195.0) internal successors, (1560), 8 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:43:04,615 INFO  L175             Difference]: Start difference. First operand has 65 places, 59 transitions, 311 flow. Second operand 7 states and 837 transitions.
[2024-02-28 18:43:04,615 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 139 transitions, 899 flow
[2024-02-28 18:43:04,630 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 139 transitions, 861 flow, removed 0 selfloop flow, removed 4 redundant places.
[2024-02-28 18:43:04,631 INFO  L231             Difference]: Finished difference. Result has 67 places, 60 transitions, 300 flow
[2024-02-28 18:43:04,632 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=279, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=300, PETRI_PLACES=67, PETRI_TRANSITIONS=60}
[2024-02-28 18:43:04,632 INFO  L288   CegarLoopForPetriNet]: 51 programPoint places, 16 predicate places.
[2024-02-28 18:43:04,632 INFO  L495      AbstractCegarLoop]: Abstraction has has 67 places, 60 transitions, 300 flow
[2024-02-28 18:43:04,633 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 107.0) internal successors, (749), 7 states have internal predecessors, (749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:43:04,633 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 18:43:04,633 INFO  L209   CegarLoopForPetriNet]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-02-28 18:43:04,643 INFO  L540       MonitoredProcess]: [MP /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2024-02-28 18:43:04,833 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20
[2024-02-28 18:43:04,838 INFO  L420      AbstractCegarLoop]: === Iteration 9 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] ===
[2024-02-28 18:43:04,839 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 18:43:04,840 INFO  L85        PathProgramCache]: Analyzing trace with hash 446996961, now seen corresponding path program 1 times
[2024-02-28 18:43:04,840 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 18:43:04,840 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141085830]
[2024-02-28 18:43:04,841 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 18:43:04,841 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 18:43:04,852 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-28 18:43:04,866 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2024-02-28 18:43:04,866 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-28 18:43:04,866 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141085830]
[2024-02-28 18:43:04,866 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141085830] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-28 18:43:04,866 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-28 18:43:04,866 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-02-28 18:43:04,867 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960968695]
[2024-02-28 18:43:04,867 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-28 18:43:04,867 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-02-28 18:43:04,867 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-28 18:43:04,867 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-02-28 18:43:04,867 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-02-28 18:43:04,888 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 100 out of 195
[2024-02-28 18:43:04,888 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 60 transitions, 300 flow. Second operand  has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:43:04,888 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-28 18:43:04,888 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 195
[2024-02-28 18:43:04,889 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-28 18:43:05,645 INFO  L130       PetriNetUnfolder]: 4370/10023 cut-off events.
[2024-02-28 18:43:05,646 INFO  L131       PetriNetUnfolder]: For 12467/12545 co-relation queries the response was YES.
[2024-02-28 18:43:05,662 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 29616 conditions, 10023 events. 4370/10023 cut-off events. For 12467/12545 co-relation queries the response was YES. Maximal size of possible extension queue 390. Compared 88390 event pairs, 3427 based on Foata normal form. 0/9748 useless extension candidates. Maximal degree in co-relation 6410. Up to 8591 conditions per place. 
[2024-02-28 18:43:05,679 INFO  L137   encePairwiseOnDemand]: 191/195 looper letters, 58 selfloop transitions, 4 changer transitions 1/71 dead transitions.
[2024-02-28 18:43:05,679 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 71 transitions, 480 flow
[2024-02-28 18:43:05,679 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-02-28 18:43:05,679 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-02-28 18:43:05,680 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 348 transitions.
[2024-02-28 18:43:05,680 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5948717948717949
[2024-02-28 18:43:05,680 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 348 transitions.
[2024-02-28 18:43:05,680 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 348 transitions.
[2024-02-28 18:43:05,680 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-02-28 18:43:05,681 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 348 transitions.
[2024-02-28 18:43:05,681 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 116.0) internal successors, (348), 3 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:43:05,682 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:43:05,682 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:43:05,682 INFO  L175             Difference]: Start difference. First operand has 67 places, 60 transitions, 300 flow. Second operand 3 states and 348 transitions.
[2024-02-28 18:43:05,682 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 71 transitions, 480 flow
[2024-02-28 18:43:05,689 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 71 transitions, 477 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-02-28 18:43:05,689 INFO  L231             Difference]: Finished difference. Result has 68 places, 62 transitions, 329 flow
[2024-02-28 18:43:05,689 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=297, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=329, PETRI_PLACES=68, PETRI_TRANSITIONS=62}
[2024-02-28 18:43:05,690 INFO  L288   CegarLoopForPetriNet]: 51 programPoint places, 17 predicate places.
[2024-02-28 18:43:05,690 INFO  L495      AbstractCegarLoop]: Abstraction has has 68 places, 62 transitions, 329 flow
[2024-02-28 18:43:05,690 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:43:05,690 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 18:43:05,690 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-02-28 18:43:05,690 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2024-02-28 18:43:05,691 INFO  L420      AbstractCegarLoop]: === Iteration 10 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] ===
[2024-02-28 18:43:05,691 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 18:43:05,691 INFO  L85        PathProgramCache]: Analyzing trace with hash -1700190220, now seen corresponding path program 1 times
[2024-02-28 18:43:05,691 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 18:43:05,691 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885846421]
[2024-02-28 18:43:05,691 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 18:43:05,691 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 18:43:05,701 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-28 18:43:05,746 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-02-28 18:43:05,747 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-28 18:43:05,747 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885846421]
[2024-02-28 18:43:05,747 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885846421] provided 0 perfect and 1 imperfect interpolant sequences
[2024-02-28 18:43:05,747 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [711854431]
[2024-02-28 18:43:05,747 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 18:43:05,747 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-02-28 18:43:05,747 INFO  L189       MonitoredProcess]: No working directory specified, using /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3
[2024-02-28 18:43:05,749 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-02-28 18:43:05,754 INFO  L327       MonitoredProcess]: [MP /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-02-28 18:43:05,844 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-28 18:43:05,846 INFO  L263         TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 5 conjunts are in the unsatisfiable core
[2024-02-28 18:43:05,847 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2024-02-28 18:43:05,909 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-02-28 18:43:05,909 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2024-02-28 18:43:05,940 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-02-28 18:43:05,941 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [711854431] provided 0 perfect and 2 imperfect interpolant sequences
[2024-02-28 18:43:05,941 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-02-28 18:43:05,941 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8
[2024-02-28 18:43:05,941 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999688257]
[2024-02-28 18:43:05,941 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-02-28 18:43:05,941 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-02-28 18:43:05,941 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-28 18:43:05,942 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-02-28 18:43:05,942 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=37, Unknown=0, NotChecked=0, Total=72
[2024-02-28 18:43:05,979 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 103 out of 195
[2024-02-28 18:43:05,980 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 62 transitions, 329 flow. Second operand  has 9 states, 9 states have (on average 107.0) internal successors, (963), 9 states have internal predecessors, (963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:43:05,980 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-28 18:43:05,980 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 195
[2024-02-28 18:43:05,981 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-28 18:43:06,592 INFO  L130       PetriNetUnfolder]: 3198/7514 cut-off events.
[2024-02-28 18:43:06,592 INFO  L131       PetriNetUnfolder]: For 9553/10123 co-relation queries the response was YES.
[2024-02-28 18:43:06,605 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 21885 conditions, 7514 events. 3198/7514 cut-off events. For 9553/10123 co-relation queries the response was YES. Maximal size of possible extension queue 358. Compared 64512 event pairs, 427 based on Foata normal form. 369/7645 useless extension candidates. Maximal degree in co-relation 7441. Up to 5705 conditions per place. 
[2024-02-28 18:43:06,615 INFO  L137   encePairwiseOnDemand]: 192/195 looper letters, 86 selfloop transitions, 5 changer transitions 0/106 dead transitions.
[2024-02-28 18:43:06,615 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 106 transitions, 663 flow
[2024-02-28 18:43:06,615 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-02-28 18:43:06,615 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-02-28 18:43:06,617 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 701 transitions.
[2024-02-28 18:43:06,617 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5991452991452991
[2024-02-28 18:43:06,617 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 701 transitions.
[2024-02-28 18:43:06,617 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 701 transitions.
[2024-02-28 18:43:06,617 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-02-28 18:43:06,617 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 701 transitions.
[2024-02-28 18:43:06,619 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 116.83333333333333) internal successors, (701), 6 states have internal predecessors, (701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:43:06,620 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 195.0) internal successors, (1365), 7 states have internal predecessors, (1365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:43:06,620 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 195.0) internal successors, (1365), 7 states have internal predecessors, (1365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:43:06,620 INFO  L175             Difference]: Start difference. First operand has 68 places, 62 transitions, 329 flow. Second operand 6 states and 701 transitions.
[2024-02-28 18:43:06,620 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 106 transitions, 663 flow
[2024-02-28 18:43:06,630 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 106 transitions, 645 flow, removed 6 selfloop flow, removed 1 redundant places.
[2024-02-28 18:43:06,631 INFO  L231             Difference]: Finished difference. Result has 75 places, 62 transitions, 335 flow
[2024-02-28 18:43:06,631 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=313, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=335, PETRI_PLACES=75, PETRI_TRANSITIONS=62}
[2024-02-28 18:43:06,631 INFO  L288   CegarLoopForPetriNet]: 51 programPoint places, 24 predicate places.
[2024-02-28 18:43:06,631 INFO  L495      AbstractCegarLoop]: Abstraction has has 75 places, 62 transitions, 335 flow
[2024-02-28 18:43:06,632 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 107.0) internal successors, (963), 9 states have internal predecessors, (963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:43:06,632 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 18:43:06,632 INFO  L209   CegarLoopForPetriNet]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-02-28 18:43:06,646 INFO  L540       MonitoredProcess]: [MP /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-02-28 18:43:06,832 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,3 /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-02-28 18:43:06,833 INFO  L420      AbstractCegarLoop]: === Iteration 11 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] ===
[2024-02-28 18:43:06,833 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 18:43:06,834 INFO  L85        PathProgramCache]: Analyzing trace with hash 1531619191, now seen corresponding path program 1 times
[2024-02-28 18:43:06,834 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 18:43:06,834 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744649914]
[2024-02-28 18:43:06,834 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 18:43:06,834 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 18:43:06,850 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-28 18:43:06,898 INFO  L134       CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2024-02-28 18:43:06,898 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-28 18:43:06,898 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744649914]
[2024-02-28 18:43:06,898 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744649914] provided 0 perfect and 1 imperfect interpolant sequences
[2024-02-28 18:43:06,898 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98181833]
[2024-02-28 18:43:06,898 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 18:43:06,898 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-02-28 18:43:06,899 INFO  L189       MonitoredProcess]: No working directory specified, using /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3
[2024-02-28 18:43:06,900 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-02-28 18:43:06,901 INFO  L327       MonitoredProcess]: [MP /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-02-28 18:43:07,007 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-28 18:43:07,009 INFO  L263         TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 4 conjunts are in the unsatisfiable core
[2024-02-28 18:43:07,010 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2024-02-28 18:43:07,069 INFO  L134       CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2024-02-28 18:43:07,069 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2024-02-28 18:43:07,129 INFO  L134       CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2024-02-28 18:43:07,129 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [98181833] provided 0 perfect and 2 imperfect interpolant sequences
[2024-02-28 18:43:07,129 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-02-28 18:43:07,129 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9
[2024-02-28 18:43:07,130 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696682098]
[2024-02-28 18:43:07,130 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-02-28 18:43:07,131 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-02-28 18:43:07,131 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-28 18:43:07,131 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-02-28 18:43:07,132 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90
[2024-02-28 18:43:07,224 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 103 out of 195
[2024-02-28 18:43:07,225 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 62 transitions, 335 flow. Second operand  has 10 states, 10 states have (on average 107.1) internal successors, (1071), 10 states have internal predecessors, (1071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:43:07,225 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-28 18:43:07,225 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 195
[2024-02-28 18:43:07,225 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-28 18:43:07,700 INFO  L130       PetriNetUnfolder]: 1745/3788 cut-off events.
[2024-02-28 18:43:07,701 INFO  L131       PetriNetUnfolder]: For 8557/8994 co-relation queries the response was YES.
[2024-02-28 18:43:07,707 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 10829 conditions, 3788 events. 1745/3788 cut-off events. For 8557/8994 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 25893 event pairs, 357 based on Foata normal form. 615/4402 useless extension candidates. Maximal degree in co-relation 4865. Up to 1090 conditions per place. 
[2024-02-28 18:43:07,710 INFO  L137   encePairwiseOnDemand]: 190/195 looper letters, 0 selfloop transitions, 0 changer transitions 129/129 dead transitions.
[2024-02-28 18:43:07,710 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 129 transitions, 778 flow
[2024-02-28 18:43:07,710 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-02-28 18:43:07,710 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2024-02-28 18:43:07,711 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 844 transitions.
[2024-02-28 18:43:07,712 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6183150183150183
[2024-02-28 18:43:07,712 INFO  L72            ComplementDD]: Start complementDD. Operand 7 states and 844 transitions.
[2024-02-28 18:43:07,712 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 7 states and 844 transitions.
[2024-02-28 18:43:07,712 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-02-28 18:43:07,712 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 844 transitions.
[2024-02-28 18:43:07,713 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 8 states, 7 states have (on average 120.57142857142857) internal successors, (844), 7 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:43:07,715 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 8 states, 8 states have (on average 195.0) internal successors, (1560), 8 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:43:07,715 INFO  L81            ComplementDD]: Finished complementDD. Result  has 8 states, 8 states have (on average 195.0) internal successors, (1560), 8 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:43:07,715 INFO  L175             Difference]: Start difference. First operand has 75 places, 62 transitions, 335 flow. Second operand 7 states and 844 transitions.
[2024-02-28 18:43:07,715 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 129 transitions, 778 flow
[2024-02-28 18:43:07,720 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 129 transitions, 683 flow, removed 28 selfloop flow, removed 10 redundant places.
[2024-02-28 18:43:07,721 INFO  L231             Difference]: Finished difference. Result has 66 places, 0 transitions, 0 flow
[2024-02-28 18:43:07,721 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=179, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=66, PETRI_TRANSITIONS=0}
[2024-02-28 18:43:07,721 INFO  L288   CegarLoopForPetriNet]: 51 programPoint places, 15 predicate places.
[2024-02-28 18:43:07,721 INFO  L495      AbstractCegarLoop]: Abstraction has has 66 places, 0 transitions, 0 flow
[2024-02-28 18:43:07,722 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 107.1) internal successors, (1071), 10 states have internal predecessors, (1071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:43:07,722 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining)
[2024-02-28 18:43:07,722 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining)
[2024-02-28 18:43:07,722 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 8 remaining)
[2024-02-28 18:43:07,722 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location threadErr0ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining)
[2024-02-28 18:43:07,722 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location threadErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining)
[2024-02-28 18:43:07,722 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining)
[2024-02-28 18:43:07,722 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining)
[2024-02-28 18:43:07,722 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining)
[2024-02-28 18:43:07,728 INFO  L552       MonitoredProcess]: [MP /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-02-28 18:43:07,926 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23
[2024-02-28 18:43:07,928 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-02-28 18:43:07,933 INFO  L228   ceAbstractionStarter]: Analysis of concurrent program completed with 4 thread instances
[2024-02-28 18:43:07,933 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2024-02-28 18:43:07,939 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.02 06:43:07 BasicIcfg
[2024-02-28 18:43:07,939 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-02-28 18:43:07,940 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-02-28 18:43:07,940 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2024-02-28 18:43:07,940 INFO  L275        PluginConnector]: Witness Printer initialized
[2024-02-28 18:43:07,940 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.02 06:42:35" (3/4) ...
[2024-02-28 18:43:07,942 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2024-02-28 18:43:08,045 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure thread
[2024-02-28 18:43:08,052 INFO  L961   BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges
[2024-02-28 18:43:08,052 INFO  L961   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-02-28 18:43:08,052 INFO  L961   BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2024-02-28 18:43:08,200 INFO  L141         WitnessManager]: Wrote witness to /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/witness.graphml
[2024-02-28 18:43:08,200 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-02-28 18:43:08,201 INFO  L158              Benchmark]: Toolchain (without parser) took 32981.82ms. Allocated memory was 113.2MB in the beginning and 7.9GB in the end (delta: 7.7GB). Free memory was 69.6MB in the beginning and 5.7GB in the end (delta: -5.6GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB.
[2024-02-28 18:43:08,202 INFO  L158              Benchmark]: CDTParser took 0.15ms. Allocated memory is still 113.2MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-02-28 18:43:08,202 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 294.70ms. Allocated memory is still 113.2MB. Free memory was 69.3MB in the beginning and 50.8MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2024-02-28 18:43:08,203 INFO  L158              Benchmark]: Boogie Procedure Inliner took 31.14ms. Allocated memory is still 113.2MB. Free memory was 50.8MB in the beginning and 48.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-02-28 18:43:08,203 INFO  L158              Benchmark]: Boogie Preprocessor took 21.76ms. Allocated memory is still 113.2MB. Free memory was 48.7MB in the beginning and 47.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-02-28 18:43:08,205 INFO  L158              Benchmark]: RCFGBuilder took 343.91ms. Allocated memory was 113.2MB in the beginning and 220.2MB in the end (delta: 107.0MB). Free memory was 47.1MB in the beginning and 186.5MB in the end (delta: -139.4MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB.
[2024-02-28 18:43:08,207 INFO  L158              Benchmark]: TraceAbstraction took 32024.68ms. Allocated memory was 220.2MB in the beginning and 7.9GB in the end (delta: 7.6GB). Free memory was 186.5MB in the beginning and 5.7GB in the end (delta: -5.5GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB.
[2024-02-28 18:43:08,207 INFO  L158              Benchmark]: Witness Printer took 260.27ms. Allocated memory is still 7.9GB. Free memory was 5.7GB in the beginning and 5.7GB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-02-28 18:43:08,209 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.15ms. Allocated memory is still 113.2MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 294.70ms. Allocated memory is still 113.2MB. Free memory was 69.3MB in the beginning and 50.8MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 31.14ms. Allocated memory is still 113.2MB. Free memory was 50.8MB in the beginning and 48.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 21.76ms. Allocated memory is still 113.2MB. Free memory was 48.7MB in the beginning and 47.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 343.91ms. Allocated memory was 113.2MB in the beginning and 220.2MB in the end (delta: 107.0MB). Free memory was 47.1MB in the beginning and 186.5MB in the end (delta: -139.4MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB.
 * TraceAbstraction took 32024.68ms. Allocated memory was 220.2MB in the beginning and 7.9GB in the end (delta: 7.6GB). Free memory was 186.5MB in the beginning and 5.7GB in the end (delta: -5.5GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB.
 * Witness Printer took 260.27ms. Allocated memory is still 7.9GB. Free memory was 5.7GB in the beginning and 5.7GB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 1.5s, 71 PlacesBefore, 20 PlacesAfterwards, 71 TransitionsBefore, 18 TransitionsAfterwards, 896 CoEnabledTransitionPairs, 6 FixpointIterations, 21 TrivialSequentialCompositions, 30 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 2 ChoiceCompositions, 57 TotalNumberOfCompositions, 1633 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1004, independent: 917, independent conditional: 0, independent unconditional: 917, dependent: 87, dependent conditional: 0, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 475, independent: 461, independent conditional: 0, independent unconditional: 461, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1004, independent: 456, independent conditional: 0, independent unconditional: 456, dependent: 73, dependent conditional: 0, dependent unconditional: 73, unknown: 475, unknown conditional: 0, unknown unconditional: 475] , Statistics on independence cache: Total cache size (in pairs): 27, Positive cache size: 21, Positive conditional cache size: 0, Positive unconditional cache size: 21, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 1.4s, 88 PlacesBefore, 33 PlacesAfterwards, 87 TransitionsBefore, 30 TransitionsAfterwards, 2492 CoEnabledTransitionPairs, 6 FixpointIterations, 18 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 2 ChoiceCompositions, 60 TotalNumberOfCompositions, 5801 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3531, independent: 3364, independent conditional: 0, independent unconditional: 3364, dependent: 167, dependent conditional: 0, dependent unconditional: 167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1320, independent: 1291, independent conditional: 0, independent unconditional: 1291, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3531, independent: 2073, independent conditional: 0, independent unconditional: 2073, dependent: 138, dependent conditional: 0, dependent unconditional: 138, unknown: 1320, unknown conditional: 0, unknown unconditional: 1320] , Statistics on independence cache: Total cache size (in pairs): 163, Positive cache size: 148, Positive conditional cache size: 0, Positive unconditional cache size: 148, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 1.4s, 105 PlacesBefore, 42 PlacesAfterwards, 103 TransitionsBefore, 38 TransitionsAfterwards, 4452 CoEnabledTransitionPairs, 5 FixpointIterations, 18 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 2 ChoiceCompositions, 69 TotalNumberOfCompositions, 10175 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5900, independent: 5702, independent conditional: 0, independent unconditional: 5702, dependent: 198, dependent conditional: 0, dependent unconditional: 198, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2314, independent: 2274, independent conditional: 0, independent unconditional: 2274, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5900, independent: 3428, independent conditional: 0, independent unconditional: 3428, dependent: 158, dependent conditional: 0, dependent unconditional: 158, unknown: 2314, unknown conditional: 0, unknown unconditional: 2314] , Statistics on independence cache: Total cache size (in pairs): 248, Positive cache size: 226, Positive conditional cache size: 0, Positive unconditional cache size: 226, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 1.7s, 122 PlacesBefore, 51 PlacesAfterwards, 119 TransitionsBefore, 46 TransitionsAfterwards, 6888 CoEnabledTransitionPairs, 5 FixpointIterations, 18 TrivialSequentialCompositions, 52 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 2 ChoiceCompositions, 76 TotalNumberOfCompositions, 17351 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8408, independent: 8146, independent conditional: 0, independent unconditional: 8146, dependent: 262, dependent conditional: 0, dependent unconditional: 262, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3461, independent: 3401, independent conditional: 0, independent unconditional: 3401, dependent: 60, dependent conditional: 0, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8408, independent: 4745, independent conditional: 0, independent unconditional: 4745, dependent: 202, dependent conditional: 0, dependent unconditional: 202, unknown: 3461, unknown conditional: 0, unknown unconditional: 3461] , Statistics on independence cache: Total cache size (in pairs): 384, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
  - PositiveResult [Line: 691]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 689]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 678]: there are no data races
    For all program executions holds that there are no data races at this location
  - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
    CFG has 3 procedures, 84 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.0s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 52 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 82 IncrementalHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 20 mSDtfsCounter, 82 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=2, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances
    CFG has 4 procedures, 99 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.0s, OverallIterations: 4, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 151 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 92 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 222 IncrementalHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 13 mSDtfsCounter, 222 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=130occurred in iteration=3, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 39 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 1/1 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - StatisticsResult: Ultimate Automizer benchmark data with 3 thread instances
    CFG has 5 procedures, 114 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.7s, OverallIterations: 6, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 244 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 152 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 419 IncrementalHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 2 mSDtfsCounter, 419 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=234occurred in iteration=4, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 86 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 5/5 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - StatisticsResult: Ultimate Automizer benchmark data with 4 thread instances
    CFG has 6 procedures, 129 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 24.2s, OverallIterations: 11, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 20.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1029 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 781 mSDsluCounter, 74 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 56 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1683 IncrementalHoareTripleChecker+Invalid, 1739 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 56 mSolverCounterUnsat, 56 mSDtfsCounter, 1683 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 160 GetRequests, 122 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=335occurred in iteration=10, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 244 NumberOfCodeBlocks, 244 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 284 ConstructedInterpolants, 0 QuantifiedInterpolants, 916 SizeOfPredicates, 6 NumberOfNonLiveVariables, 456 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 16 InterpolantComputations, 9 PerfectInterpolantSequences, 171/205 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    3 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-02-28 18:43:08,243 INFO  L540       MonitoredProcess]: [MP /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE
