./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 d94517c8e4392ff6cda6ed4b0b0a533ea8403029ad589261181b47ba4d3df339
--- Real Ultimate output ---
This is Ultimate 0.2.2-dev-2329fc7
[2024-03-11 22:57:33,534 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2024-03-11 22:57:33,536 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2024-03-11 22:57:33,557 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2024-03-11 22:57:33,557 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2024-03-11 22:57:33,558 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2024-03-11 22:57:33,559 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2024-03-11 22:57:33,561 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2024-03-11 22:57:33,562 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2024-03-11 22:57:33,562 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2024-03-11 22:57:33,563 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2024-03-11 22:57:33,564 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2024-03-11 22:57:33,564 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2024-03-11 22:57:33,565 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2024-03-11 22:57:33,566 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2024-03-11 22:57:33,566 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2024-03-11 22:57:33,567 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2024-03-11 22:57:33,568 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2024-03-11 22:57:33,569 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2024-03-11 22:57:33,570 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2024-03-11 22:57:33,571 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2024-03-11 22:57:33,572 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2024-03-11 22:57:33,573 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2024-03-11 22:57:33,573 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2024-03-11 22:57:33,576 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2024-03-11 22:57:33,576 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2024-03-11 22:57:33,576 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2024-03-11 22:57:33,577 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2024-03-11 22:57:33,577 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2024-03-11 22:57:33,577 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2024-03-11 22:57:33,578 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2024-03-11 22:57:33,578 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2024-03-11 22:57:33,579 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2024-03-11 22:57:33,579 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2024-03-11 22:57:33,580 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2024-03-11 22:57:33,580 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2024-03-11 22:57:33,580 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2024-03-11 22:57:33,581 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2024-03-11 22:57:33,581 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2024-03-11 22:57:33,581 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2024-03-11 22:57:33,582 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2024-03-11 22:57:33,582 INFO  L101        SettingsManager]: Beginning loading settings from /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2024-03-11 22:57:33,598 INFO  L113        SettingsManager]: Loading preferences was successful
[2024-03-11 22:57:33,598 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2024-03-11 22:57:33,598 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-03-11 22:57:33,599 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-03-11 22:57:33,599 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-03-11 22:57:33,599 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-03-11 22:57:33,600 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-03-11 22:57:33,600 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2024-03-11 22:57:33,600 INFO  L138        SettingsManager]:  * Use SBE=true
[2024-03-11 22:57:33,600 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-03-11 22:57:33,600 INFO  L138        SettingsManager]:  * sizeof long=4
[2024-03-11 22:57:33,600 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2024-03-11 22:57:33,600 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-03-11 22:57:33,600 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2024-03-11 22:57:33,601 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2024-03-11 22:57:33,601 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-03-11 22:57:33,601 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-03-11 22:57:33,601 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-03-11 22:57:33,601 INFO  L138        SettingsManager]:  * Check absence of data races in concurrent programs=true
[2024-03-11 22:57:33,601 INFO  L138        SettingsManager]:  * sizeof long double=12
[2024-03-11 22:57:33,601 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2024-03-11 22:57:33,601 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2024-03-11 22:57:33,602 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-03-11 22:57:33,602 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-03-11 22:57:33,602 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-03-11 22:57:33,602 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-03-11 22:57:33,602 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-03-11 22:57:33,602 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-03-11 22:57:33,602 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-03-11 22:57:33,602 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2024-03-11 22:57:33,603 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-03-11 22:57:33,603 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-03-11 22:57:33,603 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-03-11 22:57:33,603 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2024-03-11 22:57:33,603 INFO  L138        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-03-11 22:57:33,603 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-03-11 22:57:33,603 INFO  L138        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2024-03-11 22:57:33,603 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 -> d94517c8e4392ff6cda6ed4b0b0a533ea8403029ad589261181b47ba4d3df339
[2024-03-11 22:57:33,778 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-03-11 22:57:33,796 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-03-11 22:57:33,801 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-03-11 22:57:33,805 INFO  L271        PluginConnector]: Initializing CDTParser...
[2024-03-11 22:57:33,806 INFO  L275        PluginConnector]: CDTParser initialized
[2024-03-11 22:57:33,807 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/thread-join-array-const.i
[2024-03-11 22:57:34,934 INFO  L500              CDTParser]: Created temporary CDT project at NULL
[2024-03-11 22:57:35,109 INFO  L351              CDTParser]: Found 1 translation units.
[2024-03-11 22:57:35,109 INFO  L172              CDTParser]: Scanning /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/thread-join-array-const.i
[2024-03-11 22:57:35,117 INFO  L394              CDTParser]: About to delete temporary CDT project at /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data/da9cfac98/f76b39b6338a4e2c95ffc035052ab645/FLAG07c4c7857
[2024-03-11 22:57:35,128 INFO  L402              CDTParser]: Successfully deleted /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data/da9cfac98/f76b39b6338a4e2c95ffc035052ab645
[2024-03-11 22:57:35,129 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-03-11 22:57:35,130 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-03-11 22:57:35,131 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-03-11 22:57:35,131 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-03-11 22:57:35,138 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-03-11 22:57:35,138 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 10:57:35" (1/1) ...
[2024-03-11 22:57:35,139 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57f5d85e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:57:35, skipping insertion in model container
[2024-03-11 22:57:35,139 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 10:57:35" (1/1) ...
[2024-03-11 22:57:35,145 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2024-03-11 22:57:35,173 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2024-03-11 22:57:35,365 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-03-11 22:57:35,375 INFO  L203         MainTranslator]: Completed pre-run
[2024-03-11 22:57:35,403 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-03-11 22:57:35,426 INFO  L208         MainTranslator]: Completed translation
[2024-03-11 22:57:35,426 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:57:35 WrapperNode
[2024-03-11 22:57:35,426 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-03-11 22:57:35,427 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-03-11 22:57:35,427 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-03-11 22:57:35,427 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2024-03-11 22:57:35,432 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:57:35" (1/1) ...
[2024-03-11 22:57:35,442 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:57:35" (1/1) ...
[2024-03-11 22:57:35,457 INFO  L138                Inliner]: procedures = 157, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53
[2024-03-11 22:57:35,457 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-03-11 22:57:35,458 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-03-11 22:57:35,458 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2024-03-11 22:57:35,458 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2024-03-11 22:57:35,465 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:57:35" (1/1) ...
[2024-03-11 22:57:35,465 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:57:35" (1/1) ...
[2024-03-11 22:57:35,467 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:57:35" (1/1) ...
[2024-03-11 22:57:35,467 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:57:35" (1/1) ...
[2024-03-11 22:57:35,472 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:57:35" (1/1) ...
[2024-03-11 22:57:35,474 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:57:35" (1/1) ...
[2024-03-11 22:57:35,475 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:57:35" (1/1) ...
[2024-03-11 22:57:35,476 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:57:35" (1/1) ...
[2024-03-11 22:57:35,478 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-03-11 22:57:35,479 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-03-11 22:57:35,479 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2024-03-11 22:57:35,479 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2024-03-11 22:57:35,480 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:57:35" (1/1) ...
[2024-03-11 22:57:35,484 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-03-11 22:57:35,493 INFO  L189       MonitoredProcess]: No working directory specified, using /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3
[2024-03-11 22:57:35,504 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)
[2024-03-11 22:57:35,506 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
[2024-03-11 22:57:35,530 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2024-03-11 22:57:35,530 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2024-03-11 22:57:35,530 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-03-11 22:57:35,530 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-03-11 22:57:35,530 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-03-11 22:57:35,530 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-03-11 22:57:35,530 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-03-11 22:57:35,530 INFO  L130     BoogieDeclarations]: Found specification of procedure thread
[2024-03-11 22:57:35,531 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread
[2024-03-11 22:57:35,531 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-03-11 22:57:35,531 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-03-11 22:57:35,532 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2024-03-11 22:57:35,667 INFO  L235             CfgBuilder]: Building ICFG
[2024-03-11 22:57:35,668 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-03-11 22:57:35,792 INFO  L276             CfgBuilder]: Performing block encoding
[2024-03-11 22:57:35,797 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-03-11 22:57:35,797 INFO  L300             CfgBuilder]: Removed 2 assume(true) statements.
[2024-03-11 22:57:35,799 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 10:57:35 BoogieIcfgContainer
[2024-03-11 22:57:35,799 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-03-11 22:57:35,800 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-03-11 22:57:35,801 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2024-03-11 22:57:35,803 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2024-03-11 22:57:35,803 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 10:57:35" (1/3) ...
[2024-03-11 22:57:35,803 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@571c3213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 10:57:35, skipping insertion in model container
[2024-03-11 22:57:35,803 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:57:35" (2/3) ...
[2024-03-11 22:57:35,804 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@571c3213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 10:57:35, skipping insertion in model container
[2024-03-11 22:57:35,804 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 10:57:35" (3/3) ...
[2024-03-11 22:57:35,805 INFO  L112   eAbstractionObserver]: Analyzing ICFG thread-join-array-const.i
[2024-03-11 22:57:35,813 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2024-03-11 22:57:35,820 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-03-11 22:57:35,820 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations.
[2024-03-11 22:57:35,821 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-03-11 22:57:35,862 INFO  L144    ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2024-03-11 22:57:35,888 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 71 places, 71 transitions, 150 flow
[2024-03-11 22:57:35,924 INFO  L130       PetriNetUnfolder]: 5/97 cut-off events.
[2024-03-11 22:57:35,924 INFO  L131       PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2024-03-11 22:57:35,928 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. 
[2024-03-11 22:57:35,928 INFO  L82        GeneralOperation]: Start removeDead. Operand has 71 places, 71 transitions, 150 flow
[2024-03-11 22:57:35,931 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 71 places, 71 transitions, 150 flow
[2024-03-11 22:57:35,934 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2024-03-11 22:57:35,941 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 71 transitions, 150 flow
[2024-03-11 22:57:35,944 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 71 transitions, 150 flow
[2024-03-11 22:57:35,944 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 71 places, 71 transitions, 150 flow
[2024-03-11 22:57:35,963 INFO  L130       PetriNetUnfolder]: 5/97 cut-off events.
[2024-03-11 22:57:35,964 INFO  L131       PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2024-03-11 22:57:35,964 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. 
[2024-03-11 22:57:35,965 INFO  L119        LiptonReduction]: Number of co-enabled transitions 896
[2024-03-11 22:57:37,397 INFO  L134        LiptonReduction]: Checked pairs total: 1633
[2024-03-11 22:57:37,398 INFO  L136        LiptonReduction]: Total number of compositions: 57
[2024-03-11 22:57:37,414 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-11 22:57:37,419 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;@25bb264b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2024-03-11 22:57:37,420 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-03-11 22:57:37,422 INFO  L130       PetriNetUnfolder]: 0/5 cut-off events.
[2024-03-11 22:57:37,422 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2024-03-11 22:57:37,422 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 22:57:37,422 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1]
[2024-03-11 22:57:37,423 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)] ===
[2024-03-11 22:57:37,427 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 22:57:37,427 INFO  L85        PathProgramCache]: Analyzing trace with hash 260257, now seen corresponding path program 1 times
[2024-03-11 22:57:37,433 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 22:57:37,433 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582101243]
[2024-03-11 22:57:37,434 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 22:57:37,434 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 22:57:37,504 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 22:57:37,587 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 22:57:37,588 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 22:57:37,588 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582101243]
[2024-03-11 22:57:37,589 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582101243] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 22:57:37,589 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 22:57:37,589 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-11 22:57:37,590 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294299462]
[2024-03-11 22:57:37,590 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 22:57:37,596 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-11 22:57:37,596 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 22:57:37,611 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-11 22:57:37,613 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-11 22:57:37,640 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 64 out of 128
[2024-03-11 22:57:37,642 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)
[2024-03-11 22:57:37,642 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 22:57:37,642 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 128
[2024-03-11 22:57:37,643 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 22:57:37,680 INFO  L130       PetriNetUnfolder]: 12/52 cut-off events.
[2024-03-11 22:57:37,680 INFO  L131       PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2024-03-11 22:57:37,681 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. 
[2024-03-11 22:57:37,682 INFO  L137   encePairwiseOnDemand]: 124/128 looper letters, 13 selfloop transitions, 2 changer transitions 0/20 dead transitions.
[2024-03-11 22:57:37,682 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 20 transitions, 78 flow
[2024-03-11 22:57:37,683 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-11 22:57:37,685 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-11 22:57:37,690 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 209 transitions.
[2024-03-11 22:57:37,692 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5442708333333334
[2024-03-11 22:57:37,692 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 209 transitions.
[2024-03-11 22:57:37,693 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 209 transitions.
[2024-03-11 22:57:37,694 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 22:57:37,695 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 209 transitions.
[2024-03-11 22:57:37,697 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)
[2024-03-11 22:57:37,701 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)
[2024-03-11 22:57:37,701 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)
[2024-03-11 22:57:37,703 INFO  L175             Difference]: Start difference. First operand has 20 places, 18 transitions, 44 flow. Second operand 3 states and 209 transitions.
[2024-03-11 22:57:37,703 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 20 transitions, 78 flow
[2024-03-11 22:57:37,705 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 20 transitions, 78 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-11 22:57:37,706 INFO  L231             Difference]: Finished difference. Result has 22 places, 17 transitions, 50 flow
[2024-03-11 22:57:37,707 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}
[2024-03-11 22:57:37,710 INFO  L288   CegarLoopForPetriNet]: 20 programPoint places, 2 predicate places.
[2024-03-11 22:57:37,711 INFO  L495      AbstractCegarLoop]: Abstraction has has 22 places, 17 transitions, 50 flow
[2024-03-11 22:57:37,711 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)
[2024-03-11 22:57:37,711 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 22:57:37,711 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-03-11 22:57:37,711 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-03-11 22:57:37,711 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)] ===
[2024-03-11 22:57:37,712 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 22:57:37,712 INFO  L85        PathProgramCache]: Analyzing trace with hash -826925151, now seen corresponding path program 1 times
[2024-03-11 22:57:37,712 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 22:57:37,712 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555371181]
[2024-03-11 22:57:37,712 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 22:57:37,712 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 22:57:37,726 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 22:57:37,757 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 22:57:37,757 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 22:57:37,757 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555371181]
[2024-03-11 22:57:37,757 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555371181] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 22:57:37,757 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 22:57:37,758 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-11 22:57:37,758 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892532689]
[2024-03-11 22:57:37,758 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 22:57:37,759 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-11 22:57:37,759 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 22:57:37,759 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-11 22:57:37,760 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-11 22:57:37,774 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 61 out of 128
[2024-03-11 22:57:37,775 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)
[2024-03-11 22:57:37,775 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 22:57:37,775 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 128
[2024-03-11 22:57:37,775 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 22:57:37,816 INFO  L130       PetriNetUnfolder]: 20/71 cut-off events.
[2024-03-11 22:57:37,816 INFO  L131       PetriNetUnfolder]: For 6/6 co-relation queries the response was YES.
[2024-03-11 22:57:37,816 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. 
[2024-03-11 22:57:37,817 INFO  L137   encePairwiseOnDemand]: 124/128 looper letters, 17 selfloop transitions, 3 changer transitions 1/24 dead transitions.
[2024-03-11 22:57:37,817 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 24 transitions, 111 flow
[2024-03-11 22:57:37,817 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-11 22:57:37,817 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-11 22:57:37,818 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 205 transitions.
[2024-03-11 22:57:37,819 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5338541666666666
[2024-03-11 22:57:37,819 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 205 transitions.
[2024-03-11 22:57:37,819 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 205 transitions.
[2024-03-11 22:57:37,819 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 22:57:37,819 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 205 transitions.
[2024-03-11 22:57:37,820 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)
[2024-03-11 22:57:37,821 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)
[2024-03-11 22:57:37,822 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)
[2024-03-11 22:57:37,822 INFO  L175             Difference]: Start difference. First operand has 22 places, 17 transitions, 50 flow. Second operand 3 states and 205 transitions.
[2024-03-11 22:57:37,822 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 24 transitions, 111 flow
[2024-03-11 22:57:37,822 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 24 transitions, 105 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-03-11 22:57:37,823 INFO  L231             Difference]: Finished difference. Result has 23 places, 19 transitions, 65 flow
[2024-03-11 22:57:37,823 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}
[2024-03-11 22:57:37,824 INFO  L288   CegarLoopForPetriNet]: 20 programPoint places, 3 predicate places.
[2024-03-11 22:57:37,824 INFO  L495      AbstractCegarLoop]: Abstraction has has 23 places, 19 transitions, 65 flow
[2024-03-11 22:57:37,824 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)
[2024-03-11 22:57:37,824 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 22:57:37,824 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1]
[2024-03-11 22:57:37,824 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-03-11 22:57:37,824 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)] ===
[2024-03-11 22:57:37,825 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 22:57:37,825 INFO  L85        PathProgramCache]: Analyzing trace with hash -826926477, now seen corresponding path program 1 times
[2024-03-11 22:57:37,825 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 22:57:37,825 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621811504]
[2024-03-11 22:57:37,825 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 22:57:37,825 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 22:57:37,841 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 22:57:37,841 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-03-11 22:57:37,852 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 22:57:37,865 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-03-11 22:57:37,865 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-03-11 22:57:37,866 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining)
[2024-03-11 22:57:37,867 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining)
[2024-03-11 22:57:37,868 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining)
[2024-03-11 22:57:37,868 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining)
[2024-03-11 22:57:37,868 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining)
[2024-03-11 22:57:37,868 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-03-11 22:57:37,868 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-03-11 22:57:37,870 WARN  L233   ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-03-11 22:57:37,870 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2024-03-11 22:57:37,883 INFO  L144    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-03-11 22:57:37,885 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 88 places, 87 transitions, 192 flow
[2024-03-11 22:57:37,902 INFO  L130       PetriNetUnfolder]: 10/173 cut-off events.
[2024-03-11 22:57:37,903 INFO  L131       PetriNetUnfolder]: For 6/6 co-relation queries the response was YES.
[2024-03-11 22:57:37,903 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. 
[2024-03-11 22:57:37,903 INFO  L82        GeneralOperation]: Start removeDead. Operand has 88 places, 87 transitions, 192 flow
[2024-03-11 22:57:37,904 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 88 places, 87 transitions, 192 flow
[2024-03-11 22:57:37,904 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2024-03-11 22:57:37,904 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 87 transitions, 192 flow
[2024-03-11 22:57:37,905 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 87 transitions, 192 flow
[2024-03-11 22:57:37,905 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 88 places, 87 transitions, 192 flow
[2024-03-11 22:57:37,920 INFO  L130       PetriNetUnfolder]: 10/173 cut-off events.
[2024-03-11 22:57:37,920 INFO  L131       PetriNetUnfolder]: For 6/6 co-relation queries the response was YES.
[2024-03-11 22:57:37,920 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. 
[2024-03-11 22:57:37,922 INFO  L119        LiptonReduction]: Number of co-enabled transitions 2492
[2024-03-11 22:57:39,192 INFO  L134        LiptonReduction]: Checked pairs total: 5801
[2024-03-11 22:57:39,192 INFO  L136        LiptonReduction]: Total number of compositions: 60
[2024-03-11 22:57:39,193 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-11 22:57:39,195 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;@25bb264b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2024-03-11 22:57:39,195 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 6 error locations.
[2024-03-11 22:57:39,196 INFO  L130       PetriNetUnfolder]: 0/4 cut-off events.
[2024-03-11 22:57:39,196 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2024-03-11 22:57:39,196 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 22:57:39,196 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1]
[2024-03-11 22:57:39,196 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)] ===
[2024-03-11 22:57:39,196 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 22:57:39,197 INFO  L85        PathProgramCache]: Analyzing trace with hash 422210, now seen corresponding path program 1 times
[2024-03-11 22:57:39,197 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 22:57:39,197 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732752126]
[2024-03-11 22:57:39,197 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 22:57:39,197 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 22:57:39,207 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 22:57:39,236 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 22:57:39,236 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 22:57:39,236 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732752126]
[2024-03-11 22:57:39,237 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732752126] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 22:57:39,237 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 22:57:39,237 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-11 22:57:39,237 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016791283]
[2024-03-11 22:57:39,237 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 22:57:39,237 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-11 22:57:39,237 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 22:57:39,238 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-11 22:57:39,238 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-11 22:57:39,256 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 78 out of 147
[2024-03-11 22:57:39,256 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)
[2024-03-11 22:57:39,256 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 22:57:39,256 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 147
[2024-03-11 22:57:39,257 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 22:57:39,367 INFO  L130       PetriNetUnfolder]: 457/901 cut-off events.
[2024-03-11 22:57:39,368 INFO  L131       PetriNetUnfolder]: For 36/36 co-relation queries the response was YES.
[2024-03-11 22:57:39,370 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. 
[2024-03-11 22:57:39,373 INFO  L137   encePairwiseOnDemand]: 143/147 looper letters, 27 selfloop transitions, 2 changer transitions 0/36 dead transitions.
[2024-03-11 22:57:39,373 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 36 transitions, 148 flow
[2024-03-11 22:57:39,374 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-11 22:57:39,374 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-11 22:57:39,375 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 265 transitions.
[2024-03-11 22:57:39,375 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6009070294784581
[2024-03-11 22:57:39,375 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 265 transitions.
[2024-03-11 22:57:39,375 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 265 transitions.
[2024-03-11 22:57:39,376 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 22:57:39,376 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 265 transitions.
[2024-03-11 22:57:39,382 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)
[2024-03-11 22:57:39,384 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)
[2024-03-11 22:57:39,384 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)
[2024-03-11 22:57:39,384 INFO  L175             Difference]: Start difference. First operand has 33 places, 30 transitions, 78 flow. Second operand 3 states and 265 transitions.
[2024-03-11 22:57:39,384 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 36 transitions, 148 flow
[2024-03-11 22:57:39,385 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 36 transitions, 148 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-11 22:57:39,386 INFO  L231             Difference]: Finished difference. Result has 35 places, 30 transitions, 88 flow
[2024-03-11 22:57:39,386 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}
[2024-03-11 22:57:39,386 INFO  L288   CegarLoopForPetriNet]: 33 programPoint places, 2 predicate places.
[2024-03-11 22:57:39,386 INFO  L495      AbstractCegarLoop]: Abstraction has has 35 places, 30 transitions, 88 flow
[2024-03-11 22:57:39,387 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)
[2024-03-11 22:57:39,387 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 22:57:39,387 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-03-11 22:57:39,387 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-03-11 22:57:39,387 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)] ===
[2024-03-11 22:57:39,387 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 22:57:39,388 INFO  L85        PathProgramCache]: Analyzing trace with hash -536914938, now seen corresponding path program 1 times
[2024-03-11 22:57:39,388 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 22:57:39,388 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549748802]
[2024-03-11 22:57:39,388 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 22:57:39,388 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 22:57:39,396 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 22:57:39,412 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 22:57:39,413 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 22:57:39,413 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549748802]
[2024-03-11 22:57:39,413 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549748802] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 22:57:39,413 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 22:57:39,413 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-11 22:57:39,413 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750403407]
[2024-03-11 22:57:39,413 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 22:57:39,414 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-11 22:57:39,414 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 22:57:39,414 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-11 22:57:39,414 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-11 22:57:39,427 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 74 out of 147
[2024-03-11 22:57:39,428 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)
[2024-03-11 22:57:39,428 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 22:57:39,428 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 147
[2024-03-11 22:57:39,428 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 22:57:39,551 INFO  L130       PetriNetUnfolder]: 595/1131 cut-off events.
[2024-03-11 22:57:39,551 INFO  L131       PetriNetUnfolder]: For 148/148 co-relation queries the response was YES.
[2024-03-11 22:57:39,553 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. 
[2024-03-11 22:57:39,557 INFO  L137   encePairwiseOnDemand]: 141/147 looper letters, 36 selfloop transitions, 5 changer transitions 0/47 dead transitions.
[2024-03-11 22:57:39,557 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 47 transitions, 219 flow
[2024-03-11 22:57:39,557 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-11 22:57:39,557 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-11 22:57:39,558 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 262 transitions.
[2024-03-11 22:57:39,558 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5941043083900227
[2024-03-11 22:57:39,558 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 262 transitions.
[2024-03-11 22:57:39,559 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 262 transitions.
[2024-03-11 22:57:39,559 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 22:57:39,559 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 262 transitions.
[2024-03-11 22:57:39,560 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)
[2024-03-11 22:57:39,561 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)
[2024-03-11 22:57:39,561 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)
[2024-03-11 22:57:39,561 INFO  L175             Difference]: Start difference. First operand has 35 places, 30 transitions, 88 flow. Second operand 3 states and 262 transitions.
[2024-03-11 22:57:39,561 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 47 transitions, 219 flow
[2024-03-11 22:57:39,562 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 47 transitions, 216 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-03-11 22:57:39,563 INFO  L231             Difference]: Finished difference. Result has 38 places, 34 transitions, 124 flow
[2024-03-11 22:57:39,563 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}
[2024-03-11 22:57:39,564 INFO  L288   CegarLoopForPetriNet]: 33 programPoint places, 5 predicate places.
[2024-03-11 22:57:39,564 INFO  L495      AbstractCegarLoop]: Abstraction has has 38 places, 34 transitions, 124 flow
[2024-03-11 22:57:39,564 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)
[2024-03-11 22:57:39,564 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 22:57:39,564 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-11 22:57:39,564 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-03-11 22:57:39,564 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)] ===
[2024-03-11 22:57:39,565 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 22:57:39,565 INFO  L85        PathProgramCache]: Analyzing trace with hash 421910286, now seen corresponding path program 1 times
[2024-03-11 22:57:39,565 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 22:57:39,565 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891006345]
[2024-03-11 22:57:39,565 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 22:57:39,565 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 22:57:39,573 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 22:57:39,610 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-03-11 22:57:39,611 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 22:57:39,611 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891006345]
[2024-03-11 22:57:39,611 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891006345] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 22:57:39,611 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 22:57:39,612 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-03-11 22:57:39,612 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336705030]
[2024-03-11 22:57:39,612 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 22:57:39,612 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-03-11 22:57:39,612 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 22:57:39,613 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-03-11 22:57:39,613 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-03-11 22:57:39,642 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 76 out of 147
[2024-03-11 22:57:39,642 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)
[2024-03-11 22:57:39,643 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 22:57:39,643 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 147
[2024-03-11 22:57:39,643 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 22:57:39,755 INFO  L130       PetriNetUnfolder]: 397/789 cut-off events.
[2024-03-11 22:57:39,755 INFO  L131       PetriNetUnfolder]: For 466/480 co-relation queries the response was YES.
[2024-03-11 22:57:39,756 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. 
[2024-03-11 22:57:39,759 INFO  L137   encePairwiseOnDemand]: 143/147 looper letters, 41 selfloop transitions, 3 changer transitions 0/51 dead transitions.
[2024-03-11 22:57:39,759 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 51 transitions, 274 flow
[2024-03-11 22:57:39,760 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-03-11 22:57:39,760 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-03-11 22:57:39,760 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 341 transitions.
[2024-03-11 22:57:39,761 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5799319727891157
[2024-03-11 22:57:39,761 INFO  L72            ComplementDD]: Start complementDD. Operand 4 states and 341 transitions.
[2024-03-11 22:57:39,761 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 341 transitions.
[2024-03-11 22:57:39,761 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 22:57:39,761 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 341 transitions.
[2024-03-11 22:57:39,762 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)
[2024-03-11 22:57:39,763 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)
[2024-03-11 22:57:39,763 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)
[2024-03-11 22:57:39,763 INFO  L175             Difference]: Start difference. First operand has 38 places, 34 transitions, 124 flow. Second operand 4 states and 341 transitions.
[2024-03-11 22:57:39,763 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 51 transitions, 274 flow
[2024-03-11 22:57:39,765 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 51 transitions, 256 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-03-11 22:57:39,766 INFO  L231             Difference]: Finished difference. Result has 40 places, 35 transitions, 130 flow
[2024-03-11 22:57:39,766 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}
[2024-03-11 22:57:39,767 INFO  L288   CegarLoopForPetriNet]: 33 programPoint places, 7 predicate places.
[2024-03-11 22:57:39,767 INFO  L495      AbstractCegarLoop]: Abstraction has has 40 places, 35 transitions, 130 flow
[2024-03-11 22:57:39,767 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)
[2024-03-11 22:57:39,767 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 22:57:39,767 INFO  L209   CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1]
[2024-03-11 22:57:39,767 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-03-11 22:57:39,767 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)] ===
[2024-03-11 22:57:39,768 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 22:57:39,768 INFO  L85        PathProgramCache]: Analyzing trace with hash -1843257085, now seen corresponding path program 1 times
[2024-03-11 22:57:39,768 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 22:57:39,768 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222003086]
[2024-03-11 22:57:39,768 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 22:57:39,768 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 22:57:39,788 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 22:57:39,788 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-03-11 22:57:39,796 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 22:57:39,800 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-03-11 22:57:39,800 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-03-11 22:57:39,800 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 6 remaining)
[2024-03-11 22:57:39,801 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 6 remaining)
[2024-03-11 22:57:39,801 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining)
[2024-03-11 22:57:39,801 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining)
[2024-03-11 22:57:39,801 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining)
[2024-03-11 22:57:39,801 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining)
[2024-03-11 22:57:39,801 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-03-11 22:57:39,801 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-03-11 22:57:39,802 WARN  L233   ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-03-11 22:57:39,802 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances.
[2024-03-11 22:57:39,815 INFO  L144    ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2024-03-11 22:57:39,817 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 105 places, 103 transitions, 236 flow
[2024-03-11 22:57:39,834 INFO  L130       PetriNetUnfolder]: 20/300 cut-off events.
[2024-03-11 22:57:39,834 INFO  L131       PetriNetUnfolder]: For 19/19 co-relation queries the response was YES.
[2024-03-11 22:57:39,835 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. 
[2024-03-11 22:57:39,835 INFO  L82        GeneralOperation]: Start removeDead. Operand has 105 places, 103 transitions, 236 flow
[2024-03-11 22:57:39,836 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 105 places, 103 transitions, 236 flow
[2024-03-11 22:57:39,836 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2024-03-11 22:57:39,836 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 103 transitions, 236 flow
[2024-03-11 22:57:39,836 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 103 transitions, 236 flow
[2024-03-11 22:57:39,836 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 105 places, 103 transitions, 236 flow
[2024-03-11 22:57:39,852 INFO  L130       PetriNetUnfolder]: 20/300 cut-off events.
[2024-03-11 22:57:39,853 INFO  L131       PetriNetUnfolder]: For 19/19 co-relation queries the response was YES.
[2024-03-11 22:57:39,853 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. 
[2024-03-11 22:57:39,857 INFO  L119        LiptonReduction]: Number of co-enabled transitions 4452
[2024-03-11 22:57:41,216 INFO  L134        LiptonReduction]: Checked pairs total: 10175
[2024-03-11 22:57:41,216 INFO  L136        LiptonReduction]: Total number of compositions: 69
[2024-03-11 22:57:41,218 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-11 22:57:41,219 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;@25bb264b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2024-03-11 22:57:41,219 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 7 error locations.
[2024-03-11 22:57:41,220 INFO  L130       PetriNetUnfolder]: 0/4 cut-off events.
[2024-03-11 22:57:41,220 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2024-03-11 22:57:41,220 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 22:57:41,220 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1]
[2024-03-11 22:57:41,220 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)] ===
[2024-03-11 22:57:41,220 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 22:57:41,220 INFO  L85        PathProgramCache]: Analyzing trace with hash 608739, now seen corresponding path program 1 times
[2024-03-11 22:57:41,220 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 22:57:41,221 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201876405]
[2024-03-11 22:57:41,221 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 22:57:41,221 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 22:57:41,232 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 22:57:41,253 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 22:57:41,253 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 22:57:41,253 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201876405]
[2024-03-11 22:57:41,253 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201876405] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 22:57:41,253 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 22:57:41,253 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-11 22:57:41,254 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69827754]
[2024-03-11 22:57:41,254 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 22:57:41,254 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-11 22:57:41,254 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 22:57:41,254 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-11 22:57:41,254 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-11 22:57:41,267 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 90 out of 172
[2024-03-11 22:57:41,267 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)
[2024-03-11 22:57:41,267 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 22:57:41,268 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 172
[2024-03-11 22:57:41,268 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 22:57:41,600 INFO  L130       PetriNetUnfolder]: 2815/4983 cut-off events.
[2024-03-11 22:57:41,600 INFO  L131       PetriNetUnfolder]: For 394/394 co-relation queries the response was YES.
[2024-03-11 22:57:41,623 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. 
[2024-03-11 22:57:41,639 INFO  L137   encePairwiseOnDemand]: 168/172 looper letters, 30 selfloop transitions, 2 changer transitions 0/43 dead transitions.
[2024-03-11 22:57:41,639 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 43 transitions, 180 flow
[2024-03-11 22:57:41,640 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-11 22:57:41,640 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-11 22:57:41,640 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 304 transitions.
[2024-03-11 22:57:41,640 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5891472868217055
[2024-03-11 22:57:41,641 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 304 transitions.
[2024-03-11 22:57:41,641 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 304 transitions.
[2024-03-11 22:57:41,641 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 22:57:41,641 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 304 transitions.
[2024-03-11 22:57:41,642 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)
[2024-03-11 22:57:41,642 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)
[2024-03-11 22:57:41,643 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)
[2024-03-11 22:57:41,643 INFO  L175             Difference]: Start difference. First operand has 42 places, 38 transitions, 106 flow. Second operand 3 states and 304 transitions.
[2024-03-11 22:57:41,643 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 43 transitions, 180 flow
[2024-03-11 22:57:41,644 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 43 transitions, 180 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-11 22:57:41,645 INFO  L231             Difference]: Finished difference. Result has 44 places, 38 transitions, 116 flow
[2024-03-11 22:57:41,645 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}
[2024-03-11 22:57:41,645 INFO  L288   CegarLoopForPetriNet]: 42 programPoint places, 2 predicate places.
[2024-03-11 22:57:41,645 INFO  L495      AbstractCegarLoop]: Abstraction has has 44 places, 38 transitions, 116 flow
[2024-03-11 22:57:41,646 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)
[2024-03-11 22:57:41,646 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 22:57:41,646 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-03-11 22:57:41,646 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-03-11 22:57:41,646 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)] ===
[2024-03-11 22:57:41,646 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 22:57:41,646 INFO  L85        PathProgramCache]: Analyzing trace with hash 238525696, now seen corresponding path program 1 times
[2024-03-11 22:57:41,646 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 22:57:41,646 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984061359]
[2024-03-11 22:57:41,647 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 22:57:41,647 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 22:57:41,652 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 22:57:41,664 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 22:57:41,664 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 22:57:41,665 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984061359]
[2024-03-11 22:57:41,665 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984061359] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 22:57:41,665 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 22:57:41,665 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-11 22:57:41,665 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964082141]
[2024-03-11 22:57:41,665 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 22:57:41,665 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-11 22:57:41,665 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 22:57:41,666 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-11 22:57:41,666 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-11 22:57:41,681 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 87 out of 172
[2024-03-11 22:57:41,681 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)
[2024-03-11 22:57:41,681 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 22:57:41,682 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 172
[2024-03-11 22:57:41,682 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 22:57:42,254 INFO  L130       PetriNetUnfolder]: 6067/9611 cut-off events.
[2024-03-11 22:57:42,254 INFO  L131       PetriNetUnfolder]: For 1266/1266 co-relation queries the response was YES.
[2024-03-11 22:57:42,262 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. 
[2024-03-11 22:57:42,299 INFO  L137   encePairwiseOnDemand]: 166/172 looper letters, 49 selfloop transitions, 5 changer transitions 0/61 dead transitions.
[2024-03-11 22:57:42,300 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 61 transitions, 295 flow
[2024-03-11 22:57:42,300 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-11 22:57:42,300 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-11 22:57:42,301 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 314 transitions.
[2024-03-11 22:57:42,301 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6085271317829457
[2024-03-11 22:57:42,301 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 314 transitions.
[2024-03-11 22:57:42,301 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 314 transitions.
[2024-03-11 22:57:42,302 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 22:57:42,302 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 314 transitions.
[2024-03-11 22:57:42,302 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)
[2024-03-11 22:57:42,303 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)
[2024-03-11 22:57:42,303 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)
[2024-03-11 22:57:42,303 INFO  L175             Difference]: Start difference. First operand has 44 places, 38 transitions, 116 flow. Second operand 3 states and 314 transitions.
[2024-03-11 22:57:42,304 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 61 transitions, 295 flow
[2024-03-11 22:57:42,305 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 61 transitions, 292 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-03-11 22:57:42,306 INFO  L231             Difference]: Finished difference. Result has 46 places, 42 transitions, 147 flow
[2024-03-11 22:57:42,306 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}
[2024-03-11 22:57:42,307 INFO  L288   CegarLoopForPetriNet]: 42 programPoint places, 4 predicate places.
[2024-03-11 22:57:42,307 INFO  L495      AbstractCegarLoop]: Abstraction has has 46 places, 42 transitions, 147 flow
[2024-03-11 22:57:42,307 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)
[2024-03-11 22:57:42,307 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 22:57:42,307 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-11 22:57:42,307 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-03-11 22:57:42,307 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)] ===
[2024-03-11 22:57:42,308 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 22:57:42,308 INFO  L85        PathProgramCache]: Analyzing trace with hash -1336616655, now seen corresponding path program 1 times
[2024-03-11 22:57:42,308 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 22:57:42,308 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637809545]
[2024-03-11 22:57:42,308 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 22:57:42,308 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 22:57:42,313 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 22:57:42,340 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-03-11 22:57:42,341 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 22:57:42,341 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637809545]
[2024-03-11 22:57:42,341 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637809545] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 22:57:42,341 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 22:57:42,341 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-03-11 22:57:42,342 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385171734]
[2024-03-11 22:57:42,342 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 22:57:42,342 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-03-11 22:57:42,342 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 22:57:42,343 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-03-11 22:57:42,343 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-03-11 22:57:42,367 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 90 out of 172
[2024-03-11 22:57:42,368 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)
[2024-03-11 22:57:42,368 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 22:57:42,368 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 172
[2024-03-11 22:57:42,368 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 22:57:42,769 INFO  L130       PetriNetUnfolder]: 3162/5514 cut-off events.
[2024-03-11 22:57:42,770 INFO  L131       PetriNetUnfolder]: For 1355/2003 co-relation queries the response was YES.
[2024-03-11 22:57:42,777 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. 
[2024-03-11 22:57:42,791 INFO  L137   encePairwiseOnDemand]: 168/172 looper letters, 44 selfloop transitions, 3 changer transitions 0/60 dead transitions.
[2024-03-11 22:57:42,791 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 60 transitions, 291 flow
[2024-03-11 22:57:42,792 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-03-11 22:57:42,792 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-03-11 22:57:42,793 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 404 transitions.
[2024-03-11 22:57:42,793 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5872093023255814
[2024-03-11 22:57:42,793 INFO  L72            ComplementDD]: Start complementDD. Operand 4 states and 404 transitions.
[2024-03-11 22:57:42,793 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 404 transitions.
[2024-03-11 22:57:42,793 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 22:57:42,794 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 404 transitions.
[2024-03-11 22:57:42,794 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)
[2024-03-11 22:57:42,795 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)
[2024-03-11 22:57:42,796 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)
[2024-03-11 22:57:42,796 INFO  L175             Difference]: Start difference. First operand has 46 places, 42 transitions, 147 flow. Second operand 4 states and 404 transitions.
[2024-03-11 22:57:42,796 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 60 transitions, 291 flow
[2024-03-11 22:57:42,799 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 60 transitions, 285 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-03-11 22:57:42,799 INFO  L231             Difference]: Finished difference. Result has 49 places, 43 transitions, 158 flow
[2024-03-11 22:57:42,800 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}
[2024-03-11 22:57:42,800 INFO  L288   CegarLoopForPetriNet]: 42 programPoint places, 7 predicate places.
[2024-03-11 22:57:42,800 INFO  L495      AbstractCegarLoop]: Abstraction has has 49 places, 43 transitions, 158 flow
[2024-03-11 22:57:42,800 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)
[2024-03-11 22:57:42,801 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 22:57:42,801 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-11 22:57:42,801 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-03-11 22:57:42,801 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)] ===
[2024-03-11 22:57:42,801 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 22:57:42,801 INFO  L85        PathProgramCache]: Analyzing trace with hash 205097922, now seen corresponding path program 1 times
[2024-03-11 22:57:42,801 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 22:57:42,801 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474112310]
[2024-03-11 22:57:42,801 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 22:57:42,802 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 22:57:42,809 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 22:57:42,823 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-03-11 22:57:42,823 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 22:57:42,823 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474112310]
[2024-03-11 22:57:42,823 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474112310] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 22:57:42,823 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 22:57:42,824 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-11 22:57:42,824 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280650038]
[2024-03-11 22:57:42,824 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 22:57:42,824 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-11 22:57:42,824 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 22:57:42,824 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-11 22:57:42,824 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-11 22:57:42,845 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 87 out of 172
[2024-03-11 22:57:42,845 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)
[2024-03-11 22:57:42,845 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 22:57:42,845 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 172
[2024-03-11 22:57:42,845 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 22:57:43,398 INFO  L130       PetriNetUnfolder]: 5873/9526 cut-off events.
[2024-03-11 22:57:43,398 INFO  L131       PetriNetUnfolder]: For 4841/4966 co-relation queries the response was YES.
[2024-03-11 22:57:43,407 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. 
[2024-03-11 22:57:43,428 INFO  L137   encePairwiseOnDemand]: 165/172 looper letters, 53 selfloop transitions, 9 changer transitions 0/69 dead transitions.
[2024-03-11 22:57:43,429 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 69 transitions, 377 flow
[2024-03-11 22:57:43,429 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-11 22:57:43,429 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-11 22:57:43,430 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 314 transitions.
[2024-03-11 22:57:43,430 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6085271317829457
[2024-03-11 22:57:43,430 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 314 transitions.
[2024-03-11 22:57:43,430 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 314 transitions.
[2024-03-11 22:57:43,431 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 22:57:43,431 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 314 transitions.
[2024-03-11 22:57:43,431 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)
[2024-03-11 22:57:43,432 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)
[2024-03-11 22:57:43,432 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)
[2024-03-11 22:57:43,432 INFO  L175             Difference]: Start difference. First operand has 49 places, 43 transitions, 158 flow. Second operand 3 states and 314 transitions.
[2024-03-11 22:57:43,432 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 69 transitions, 377 flow
[2024-03-11 22:57:43,438 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 69 transitions, 371 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-03-11 22:57:43,439 INFO  L231             Difference]: Finished difference. Result has 51 places, 50 transitions, 234 flow
[2024-03-11 22:57:43,439 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}
[2024-03-11 22:57:43,440 INFO  L288   CegarLoopForPetriNet]: 42 programPoint places, 9 predicate places.
[2024-03-11 22:57:43,440 INFO  L495      AbstractCegarLoop]: Abstraction has has 51 places, 50 transitions, 234 flow
[2024-03-11 22:57:43,440 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)
[2024-03-11 22:57:43,440 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 22:57:43,440 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-11 22:57:43,440 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-03-11 22:57:43,440 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)] ===
[2024-03-11 22:57:43,441 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 22:57:43,441 INFO  L85        PathProgramCache]: Analyzing trace with hash 778148188, now seen corresponding path program 1 times
[2024-03-11 22:57:43,441 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 22:57:43,441 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684667783]
[2024-03-11 22:57:43,441 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 22:57:43,441 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 22:57:43,451 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 22:57:43,495 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-03-11 22:57:43,495 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 22:57:43,495 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684667783]
[2024-03-11 22:57:43,495 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684667783] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 22:57:43,495 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 22:57:43,495 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-03-11 22:57:43,495 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390630220]
[2024-03-11 22:57:43,496 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 22:57:43,496 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-11 22:57:43,496 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 22:57:43,496 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-11 22:57:43,496 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-11 22:57:43,514 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 88 out of 172
[2024-03-11 22:57:43,514 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)
[2024-03-11 22:57:43,514 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 22:57:43,514 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 172
[2024-03-11 22:57:43,514 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 22:57:43,678 INFO  L130       PetriNetUnfolder]: 663/1671 cut-off events.
[2024-03-11 22:57:43,679 INFO  L131       PetriNetUnfolder]: For 1269/1279 co-relation queries the response was YES.
[2024-03-11 22:57:43,680 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. 
[2024-03-11 22:57:43,683 INFO  L137   encePairwiseOnDemand]: 166/172 looper letters, 40 selfloop transitions, 7 changer transitions 0/58 dead transitions.
[2024-03-11 22:57:43,683 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 58 transitions, 347 flow
[2024-03-11 22:57:43,684 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-11 22:57:43,684 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-11 22:57:43,684 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 305 transitions.
[2024-03-11 22:57:43,685 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5910852713178295
[2024-03-11 22:57:43,685 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 305 transitions.
[2024-03-11 22:57:43,685 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 305 transitions.
[2024-03-11 22:57:43,685 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 22:57:43,685 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 305 transitions.
[2024-03-11 22:57:43,686 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)
[2024-03-11 22:57:43,686 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)
[2024-03-11 22:57:43,686 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)
[2024-03-11 22:57:43,686 INFO  L175             Difference]: Start difference. First operand has 51 places, 50 transitions, 234 flow. Second operand 3 states and 305 transitions.
[2024-03-11 22:57:43,687 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 58 transitions, 347 flow
[2024-03-11 22:57:43,689 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 58 transitions, 335 flow, removed 2 selfloop flow, removed 2 redundant places.
[2024-03-11 22:57:43,689 INFO  L231             Difference]: Finished difference. Result has 51 places, 44 transitions, 188 flow
[2024-03-11 22:57:43,690 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}
[2024-03-11 22:57:43,690 INFO  L288   CegarLoopForPetriNet]: 42 programPoint places, 9 predicate places.
[2024-03-11 22:57:43,690 INFO  L495      AbstractCegarLoop]: Abstraction has has 51 places, 44 transitions, 188 flow
[2024-03-11 22:57:43,690 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)
[2024-03-11 22:57:43,690 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 22:57:43,690 INFO  L209   CegarLoopForPetriNet]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1]
[2024-03-11 22:57:43,690 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-03-11 22:57:43,691 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)] ===
[2024-03-11 22:57:43,691 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 22:57:43,691 INFO  L85        PathProgramCache]: Analyzing trace with hash -1624936462, now seen corresponding path program 1 times
[2024-03-11 22:57:43,691 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 22:57:43,691 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029037021]
[2024-03-11 22:57:43,691 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 22:57:43,691 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 22:57:43,700 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 22:57:43,701 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-03-11 22:57:43,707 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 22:57:43,710 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-03-11 22:57:43,711 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-03-11 22:57:43,711 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining)
[2024-03-11 22:57:43,711 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining)
[2024-03-11 22:57:43,711 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining)
[2024-03-11 22:57:43,711 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining)
[2024-03-11 22:57:43,711 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining)
[2024-03-11 22:57:43,711 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining)
[2024-03-11 22:57:43,711 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining)
[2024-03-11 22:57:43,711 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-03-11 22:57:43,712 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2024-03-11 22:57:43,712 WARN  L233   ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-03-11 22:57:43,712 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances.
[2024-03-11 22:57:43,730 INFO  L144    ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions.
[2024-03-11 22:57:43,731 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 122 places, 119 transitions, 282 flow
[2024-03-11 22:57:43,763 INFO  L130       PetriNetUnfolder]: 42/531 cut-off events.
[2024-03-11 22:57:43,763 INFO  L131       PetriNetUnfolder]: For 48/48 co-relation queries the response was YES.
[2024-03-11 22:57:43,764 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. 
[2024-03-11 22:57:43,764 INFO  L82        GeneralOperation]: Start removeDead. Operand has 122 places, 119 transitions, 282 flow
[2024-03-11 22:57:43,765 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 122 places, 119 transitions, 282 flow
[2024-03-11 22:57:43,766 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2024-03-11 22:57:43,766 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 119 transitions, 282 flow
[2024-03-11 22:57:43,766 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 119 transitions, 282 flow
[2024-03-11 22:57:43,766 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 122 places, 119 transitions, 282 flow
[2024-03-11 22:57:43,796 INFO  L130       PetriNetUnfolder]: 42/531 cut-off events.
[2024-03-11 22:57:43,796 INFO  L131       PetriNetUnfolder]: For 48/48 co-relation queries the response was YES.
[2024-03-11 22:57:43,797 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. 
[2024-03-11 22:57:43,806 INFO  L119        LiptonReduction]: Number of co-enabled transitions 6888
[2024-03-11 22:57:45,313 INFO  L134        LiptonReduction]: Checked pairs total: 17351
[2024-03-11 22:57:45,313 INFO  L136        LiptonReduction]: Total number of compositions: 76
[2024-03-11 22:57:45,315 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-11 22:57:45,315 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;@25bb264b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2024-03-11 22:57:45,315 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 8 error locations.
[2024-03-11 22:57:45,316 INFO  L130       PetriNetUnfolder]: 0/4 cut-off events.
[2024-03-11 22:57:45,316 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2024-03-11 22:57:45,316 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 22:57:45,316 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1]
[2024-03-11 22:57:45,316 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)] ===
[2024-03-11 22:57:45,317 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 22:57:45,317 INFO  L85        PathProgramCache]: Analyzing trace with hash 818201, now seen corresponding path program 1 times
[2024-03-11 22:57:45,317 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 22:57:45,317 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814547748]
[2024-03-11 22:57:45,317 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 22:57:45,317 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 22:57:45,321 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 22:57:45,339 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 22:57:45,339 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 22:57:45,339 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814547748]
[2024-03-11 22:57:45,339 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814547748] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 22:57:45,339 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 22:57:45,339 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-11 22:57:45,339 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450352223]
[2024-03-11 22:57:45,340 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 22:57:45,340 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-11 22:57:45,340 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 22:57:45,340 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-11 22:57:45,340 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-11 22:57:45,354 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 106 out of 195
[2024-03-11 22:57:45,354 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)
[2024-03-11 22:57:45,354 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 22:57:45,354 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 195
[2024-03-11 22:57:45,355 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 22:57:47,300 INFO  L130       PetriNetUnfolder]: 26018/38924 cut-off events.
[2024-03-11 22:57:47,300 INFO  L131       PetriNetUnfolder]: For 3846/3846 co-relation queries the response was YES.
[2024-03-11 22:57:47,340 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. 
[2024-03-11 22:57:47,507 INFO  L137   encePairwiseOnDemand]: 191/195 looper letters, 37 selfloop transitions, 2 changer transitions 0/51 dead transitions.
[2024-03-11 22:57:47,508 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 51 transitions, 224 flow
[2024-03-11 22:57:47,508 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-11 22:57:47,509 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-11 22:57:47,510 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 359 transitions.
[2024-03-11 22:57:47,510 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6136752136752137
[2024-03-11 22:57:47,510 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 359 transitions.
[2024-03-11 22:57:47,510 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 359 transitions.
[2024-03-11 22:57:47,510 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 22:57:47,511 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 359 transitions.
[2024-03-11 22:57:47,512 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)
[2024-03-11 22:57:47,513 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)
[2024-03-11 22:57:47,513 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)
[2024-03-11 22:57:47,513 INFO  L175             Difference]: Start difference. First operand has 51 places, 46 transitions, 136 flow. Second operand 3 states and 359 transitions.
[2024-03-11 22:57:47,513 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 51 transitions, 224 flow
[2024-03-11 22:57:47,514 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 51 transitions, 224 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-11 22:57:47,515 INFO  L231             Difference]: Finished difference. Result has 53 places, 46 transitions, 146 flow
[2024-03-11 22:57:47,515 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}
[2024-03-11 22:57:47,515 INFO  L288   CegarLoopForPetriNet]: 51 programPoint places, 2 predicate places.
[2024-03-11 22:57:47,516 INFO  L495      AbstractCegarLoop]: Abstraction has has 53 places, 46 transitions, 146 flow
[2024-03-11 22:57:47,516 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)
[2024-03-11 22:57:47,516 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 22:57:47,516 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-03-11 22:57:47,516 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-03-11 22:57:47,516 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)] ===
[2024-03-11 22:57:47,516 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 22:57:47,517 INFO  L85        PathProgramCache]: Analyzing trace with hash 461890703, now seen corresponding path program 1 times
[2024-03-11 22:57:47,517 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 22:57:47,517 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903375707]
[2024-03-11 22:57:47,517 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 22:57:47,517 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 22:57:47,527 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 22:57:47,541 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 22:57:47,541 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 22:57:47,541 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903375707]
[2024-03-11 22:57:47,541 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903375707] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 22:57:47,541 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 22:57:47,541 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-11 22:57:47,542 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675003847]
[2024-03-11 22:57:47,542 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 22:57:47,542 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-11 22:57:47,542 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 22:57:47,542 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-11 22:57:47,542 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-11 22:57:47,566 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 100 out of 195
[2024-03-11 22:57:47,566 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)
[2024-03-11 22:57:47,566 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 22:57:47,566 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 195
[2024-03-11 22:57:47,567 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 22:57:52,187 INFO  L130       PetriNetUnfolder]: 63239/89865 cut-off events.
[2024-03-11 22:57:52,188 INFO  L131       PetriNetUnfolder]: For 12171/12171 co-relation queries the response was YES.
[2024-03-11 22:57:52,306 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. 
[2024-03-11 22:57:52,589 INFO  L137   encePairwiseOnDemand]: 187/195 looper letters, 62 selfloop transitions, 7 changer transitions 0/77 dead transitions.
[2024-03-11 22:57:52,589 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 77 transitions, 383 flow
[2024-03-11 22:57:52,590 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-11 22:57:52,590 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-11 22:57:52,590 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 368 transitions.
[2024-03-11 22:57:52,591 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.629059829059829
[2024-03-11 22:57:52,591 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 368 transitions.
[2024-03-11 22:57:52,591 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 368 transitions.
[2024-03-11 22:57:52,591 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 22:57:52,591 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 368 transitions.
[2024-03-11 22:57:52,592 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)
[2024-03-11 22:57:52,593 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)
[2024-03-11 22:57:52,593 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)
[2024-03-11 22:57:52,593 INFO  L175             Difference]: Start difference. First operand has 53 places, 46 transitions, 146 flow. Second operand 3 states and 368 transitions.
[2024-03-11 22:57:52,593 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 77 transitions, 383 flow
[2024-03-11 22:57:52,595 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 77 transitions, 380 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-03-11 22:57:52,596 INFO  L231             Difference]: Finished difference. Result has 56 places, 52 transitions, 198 flow
[2024-03-11 22:57:52,597 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}
[2024-03-11 22:57:52,597 INFO  L288   CegarLoopForPetriNet]: 51 programPoint places, 5 predicate places.
[2024-03-11 22:57:52,597 INFO  L495      AbstractCegarLoop]: Abstraction has has 56 places, 52 transitions, 198 flow
[2024-03-11 22:57:52,597 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)
[2024-03-11 22:57:52,597 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 22:57:52,597 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-11 22:57:52,598 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-03-11 22:57:52,598 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)] ===
[2024-03-11 22:57:52,598 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 22:57:52,598 INFO  L85        PathProgramCache]: Analyzing trace with hash 1277334436, now seen corresponding path program 1 times
[2024-03-11 22:57:52,598 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 22:57:52,598 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996656970]
[2024-03-11 22:57:52,598 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 22:57:52,598 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 22:57:52,605 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 22:57:52,632 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-03-11 22:57:52,633 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 22:57:52,633 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996656970]
[2024-03-11 22:57:52,633 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996656970] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 22:57:52,633 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 22:57:52,633 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-03-11 22:57:52,633 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510149700]
[2024-03-11 22:57:52,633 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 22:57:52,634 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-03-11 22:57:52,634 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 22:57:52,634 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-03-11 22:57:52,634 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-03-11 22:57:52,675 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 104 out of 195
[2024-03-11 22:57:52,676 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)
[2024-03-11 22:57:52,676 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 22:57:52,676 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 195
[2024-03-11 22:57:52,676 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 22:57:55,902 INFO  L130       PetriNetUnfolder]: 38334/57310 cut-off events.
[2024-03-11 22:57:55,902 INFO  L131       PetriNetUnfolder]: For 24745/30975 co-relation queries the response was YES.
[2024-03-11 22:57:56,003 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. 
[2024-03-11 22:57:56,184 INFO  L137   encePairwiseOnDemand]: 191/195 looper letters, 61 selfloop transitions, 3 changer transitions 0/78 dead transitions.
[2024-03-11 22:57:56,184 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 78 transitions, 408 flow
[2024-03-11 22:57:56,185 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-03-11 22:57:56,185 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-03-11 22:57:56,186 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 473 transitions.
[2024-03-11 22:57:56,186 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6064102564102564
[2024-03-11 22:57:56,186 INFO  L72            ComplementDD]: Start complementDD. Operand 4 states and 473 transitions.
[2024-03-11 22:57:56,186 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 473 transitions.
[2024-03-11 22:57:56,187 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 22:57:56,187 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 473 transitions.
[2024-03-11 22:57:56,187 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)
[2024-03-11 22:57:56,188 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)
[2024-03-11 22:57:56,189 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)
[2024-03-11 22:57:56,189 INFO  L175             Difference]: Start difference. First operand has 56 places, 52 transitions, 198 flow. Second operand 4 states and 473 transitions.
[2024-03-11 22:57:56,189 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 78 transitions, 408 flow
[2024-03-11 22:57:56,246 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 78 transitions, 388 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-03-11 22:57:56,247 INFO  L231             Difference]: Finished difference. Result has 58 places, 53 transitions, 200 flow
[2024-03-11 22:57:56,247 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}
[2024-03-11 22:57:56,248 INFO  L288   CegarLoopForPetriNet]: 51 programPoint places, 7 predicate places.
[2024-03-11 22:57:56,248 INFO  L495      AbstractCegarLoop]: Abstraction has has 58 places, 53 transitions, 200 flow
[2024-03-11 22:57:56,248 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)
[2024-03-11 22:57:56,248 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 22:57:56,248 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-11 22:57:56,248 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-03-11 22:57:56,248 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)] ===
[2024-03-11 22:57:56,249 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 22:57:56,249 INFO  L85        PathProgramCache]: Analyzing trace with hash 422619653, now seen corresponding path program 1 times
[2024-03-11 22:57:56,249 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 22:57:56,249 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321383914]
[2024-03-11 22:57:56,249 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 22:57:56,249 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 22:57:56,255 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 22:57:56,267 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-03-11 22:57:56,267 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 22:57:56,267 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321383914]
[2024-03-11 22:57:56,267 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321383914] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 22:57:56,267 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 22:57:56,267 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-11 22:57:56,267 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788025783]
[2024-03-11 22:57:56,268 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 22:57:56,268 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-11 22:57:56,268 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 22:57:56,268 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-11 22:57:56,268 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-11 22:57:56,291 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 100 out of 195
[2024-03-11 22:57:56,291 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)
[2024-03-11 22:57:56,291 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 22:57:56,291 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 195
[2024-03-11 22:57:56,291 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 22:58:01,581 INFO  L130       PetriNetUnfolder]: 61761/89630 cut-off events.
[2024-03-11 22:58:01,581 INFO  L131       PetriNetUnfolder]: For 43426/44605 co-relation queries the response was YES.
[2024-03-11 22:58:01,716 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. 
[2024-03-11 22:58:01,988 INFO  L137   encePairwiseOnDemand]: 188/195 looper letters, 68 selfloop transitions, 10 changer transitions 0/86 dead transitions.
[2024-03-11 22:58:01,988 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 86 transitions, 483 flow
[2024-03-11 22:58:01,989 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-11 22:58:01,989 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-11 22:58:01,990 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 366 transitions.
[2024-03-11 22:58:01,990 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6256410256410256
[2024-03-11 22:58:01,990 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 366 transitions.
[2024-03-11 22:58:01,990 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 366 transitions.
[2024-03-11 22:58:01,990 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 22:58:01,990 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 366 transitions.
[2024-03-11 22:58:01,991 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)
[2024-03-11 22:58:01,992 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)
[2024-03-11 22:58:01,992 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)
[2024-03-11 22:58:01,992 INFO  L175             Difference]: Start difference. First operand has 58 places, 53 transitions, 200 flow. Second operand 3 states and 366 transitions.
[2024-03-11 22:58:01,992 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 86 transitions, 483 flow
[2024-03-11 22:58:02,199 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 86 transitions, 477 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-03-11 22:58:02,200 INFO  L231             Difference]: Finished difference. Result has 59 places, 61 transitions, 278 flow
[2024-03-11 22:58:02,200 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}
[2024-03-11 22:58:02,201 INFO  L288   CegarLoopForPetriNet]: 51 programPoint places, 8 predicate places.
[2024-03-11 22:58:02,201 INFO  L495      AbstractCegarLoop]: Abstraction has has 59 places, 61 transitions, 278 flow
[2024-03-11 22:58:02,201 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)
[2024-03-11 22:58:02,201 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 22:58:02,201 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-11 22:58:02,201 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-03-11 22:58:02,201 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)] ===
[2024-03-11 22:58:02,202 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 22:58:02,202 INFO  L85        PathProgramCache]: Analyzing trace with hash 1345369614, now seen corresponding path program 1 times
[2024-03-11 22:58:02,202 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 22:58:02,202 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066765533]
[2024-03-11 22:58:02,202 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 22:58:02,202 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 22:58:02,209 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 22:58:02,237 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-03-11 22:58:02,238 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 22:58:02,238 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066765533]
[2024-03-11 22:58:02,238 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066765533] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 22:58:02,238 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 22:58:02,238 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-03-11 22:58:02,238 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036342692]
[2024-03-11 22:58:02,238 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 22:58:02,238 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-11 22:58:02,238 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 22:58:02,239 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-11 22:58:02,239 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-11 22:58:02,264 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 100 out of 195
[2024-03-11 22:58:02,264 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)
[2024-03-11 22:58:02,264 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 22:58:02,264 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 195
[2024-03-11 22:58:02,265 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 22:58:02,840 INFO  L130       PetriNetUnfolder]: 2892/6733 cut-off events.
[2024-03-11 22:58:02,841 INFO  L131       PetriNetUnfolder]: For 5552/5590 co-relation queries the response was YES.
[2024-03-11 22:58:02,850 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. 
[2024-03-11 22:58:02,863 INFO  L137   encePairwiseOnDemand]: 187/195 looper letters, 47 selfloop transitions, 9 changer transitions 0/68 dead transitions.
[2024-03-11 22:58:02,863 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 68 transitions, 410 flow
[2024-03-11 22:58:02,864 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-11 22:58:02,864 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-11 22:58:02,864 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 351 transitions.
[2024-03-11 22:58:02,865 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6
[2024-03-11 22:58:02,865 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 351 transitions.
[2024-03-11 22:58:02,865 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 351 transitions.
[2024-03-11 22:58:02,865 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 22:58:02,865 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 351 transitions.
[2024-03-11 22:58:02,866 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)
[2024-03-11 22:58:02,867 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)
[2024-03-11 22:58:02,867 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)
[2024-03-11 22:58:02,867 INFO  L175             Difference]: Start difference. First operand has 59 places, 61 transitions, 278 flow. Second operand 3 states and 351 transitions.
[2024-03-11 22:58:02,867 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 68 transitions, 410 flow
[2024-03-11 22:58:02,877 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 68 transitions, 403 flow, removed 2 selfloop flow, removed 1 redundant places.
[2024-03-11 22:58:02,878 INFO  L231             Difference]: Finished difference. Result has 60 places, 52 transitions, 226 flow
[2024-03-11 22:58:02,878 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}
[2024-03-11 22:58:02,878 INFO  L288   CegarLoopForPetriNet]: 51 programPoint places, 9 predicate places.
[2024-03-11 22:58:02,878 INFO  L495      AbstractCegarLoop]: Abstraction has has 60 places, 52 transitions, 226 flow
[2024-03-11 22:58:02,878 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)
[2024-03-11 22:58:02,879 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 22:58:02,879 INFO  L209   CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-11 22:58:02,879 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-03-11 22:58:02,879 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)] ===
[2024-03-11 22:58:02,880 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 22:58:02,880 INFO  L85        PathProgramCache]: Analyzing trace with hash 1727818670, now seen corresponding path program 1 times
[2024-03-11 22:58:02,880 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 22:58:02,880 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789818727]
[2024-03-11 22:58:02,880 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 22:58:02,880 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 22:58:02,887 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 22:58:02,899 INFO  L134       CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2024-03-11 22:58:02,899 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 22:58:02,899 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789818727]
[2024-03-11 22:58:02,899 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789818727] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 22:58:02,900 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 22:58:02,900 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-11 22:58:02,900 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194613531]
[2024-03-11 22:58:02,900 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 22:58:02,900 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-11 22:58:02,900 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 22:58:02,900 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-11 22:58:02,900 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-11 22:58:02,924 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 100 out of 195
[2024-03-11 22:58:02,924 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)
[2024-03-11 22:58:02,924 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 22:58:02,924 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 195
[2024-03-11 22:58:02,924 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 22:58:03,393 INFO  L130       PetriNetUnfolder]: 3391/7796 cut-off events.
[2024-03-11 22:58:03,393 INFO  L131       PetriNetUnfolder]: For 6336/6374 co-relation queries the response was YES.
[2024-03-11 22:58:03,404 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. 
[2024-03-11 22:58:03,419 INFO  L137   encePairwiseOnDemand]: 191/195 looper letters, 54 selfloop transitions, 3 changer transitions 0/65 dead transitions.
[2024-03-11 22:58:03,419 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 65 transitions, 400 flow
[2024-03-11 22:58:03,420 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-11 22:58:03,420 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-11 22:58:03,420 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 350 transitions.
[2024-03-11 22:58:03,421 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5982905982905983
[2024-03-11 22:58:03,421 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 350 transitions.
[2024-03-11 22:58:03,421 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 350 transitions.
[2024-03-11 22:58:03,421 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 22:58:03,421 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 350 transitions.
[2024-03-11 22:58:03,422 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)
[2024-03-11 22:58:03,423 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)
[2024-03-11 22:58:03,423 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)
[2024-03-11 22:58:03,423 INFO  L175             Difference]: Start difference. First operand has 60 places, 52 transitions, 226 flow. Second operand 3 states and 350 transitions.
[2024-03-11 22:58:03,423 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 65 transitions, 400 flow
[2024-03-11 22:58:03,429 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 65 transitions, 391 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-03-11 22:58:03,429 INFO  L231             Difference]: Finished difference. Result has 62 places, 54 transitions, 242 flow
[2024-03-11 22:58:03,429 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}
[2024-03-11 22:58:03,430 INFO  L288   CegarLoopForPetriNet]: 51 programPoint places, 11 predicate places.
[2024-03-11 22:58:03,430 INFO  L495      AbstractCegarLoop]: Abstraction has has 62 places, 54 transitions, 242 flow
[2024-03-11 22:58:03,430 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)
[2024-03-11 22:58:03,430 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 22:58:03,430 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-11 22:58:03,430 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-03-11 22:58:03,431 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)] ===
[2024-03-11 22:58:03,431 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 22:58:03,431 INFO  L85        PathProgramCache]: Analyzing trace with hash 948274906, now seen corresponding path program 1 times
[2024-03-11 22:58:03,431 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 22:58:03,431 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301167892]
[2024-03-11 22:58:03,431 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 22:58:03,432 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 22:58:03,441 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 22:58:03,467 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-03-11 22:58:03,468 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 22:58:03,468 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301167892]
[2024-03-11 22:58:03,468 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301167892] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 22:58:03,468 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 22:58:03,468 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-11 22:58:03,468 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190266958]
[2024-03-11 22:58:03,469 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 22:58:03,469 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-11 22:58:03,469 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 22:58:03,470 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-11 22:58:03,470 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-11 22:58:03,494 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 102 out of 195
[2024-03-11 22:58:03,495 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)
[2024-03-11 22:58:03,495 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 22:58:03,495 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 195
[2024-03-11 22:58:03,495 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 22:58:04,164 INFO  L130       PetriNetUnfolder]: 4657/10054 cut-off events.
[2024-03-11 22:58:04,164 INFO  L131       PetriNetUnfolder]: For 8934/8991 co-relation queries the response was YES.
[2024-03-11 22:58:04,175 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. 
[2024-03-11 22:58:04,190 INFO  L137   encePairwiseOnDemand]: 188/195 looper letters, 60 selfloop transitions, 9 changer transitions 0/76 dead transitions.
[2024-03-11 22:58:04,190 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 76 transitions, 460 flow
[2024-03-11 22:58:04,191 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-11 22:58:04,191 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-11 22:58:04,192 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 367 transitions.
[2024-03-11 22:58:04,192 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6273504273504273
[2024-03-11 22:58:04,192 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 367 transitions.
[2024-03-11 22:58:04,192 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 367 transitions.
[2024-03-11 22:58:04,192 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 22:58:04,192 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 367 transitions.
[2024-03-11 22:58:04,193 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)
[2024-03-11 22:58:04,194 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)
[2024-03-11 22:58:04,194 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)
[2024-03-11 22:58:04,194 INFO  L175             Difference]: Start difference. First operand has 62 places, 54 transitions, 242 flow. Second operand 3 states and 367 transitions.
[2024-03-11 22:58:04,194 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 76 transitions, 460 flow
[2024-03-11 22:58:04,201 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 76 transitions, 451 flow, removed 2 selfloop flow, removed 1 redundant places.
[2024-03-11 22:58:04,202 INFO  L231             Difference]: Finished difference. Result has 65 places, 59 transitions, 311 flow
[2024-03-11 22:58:04,202 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}
[2024-03-11 22:58:04,202 INFO  L288   CegarLoopForPetriNet]: 51 programPoint places, 14 predicate places.
[2024-03-11 22:58:04,202 INFO  L495      AbstractCegarLoop]: Abstraction has has 65 places, 59 transitions, 311 flow
[2024-03-11 22:58:04,202 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)
[2024-03-11 22:58:04,203 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 22:58:04,203 INFO  L209   CegarLoopForPetriNet]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1]
[2024-03-11 22:58:04,203 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2024-03-11 22:58:04,203 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)] ===
[2024-03-11 22:58:04,203 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 22:58:04,203 INFO  L85        PathProgramCache]: Analyzing trace with hash 441686513, now seen corresponding path program 1 times
[2024-03-11 22:58:04,203 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 22:58:04,203 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306123061]
[2024-03-11 22:58:04,203 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 22:58:04,203 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 22:58:04,212 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 22:58:04,277 INFO  L134       CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 22:58:04,277 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 22:58:04,277 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306123061]
[2024-03-11 22:58:04,277 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306123061] provided 0 perfect and 1 imperfect interpolant sequences
[2024-03-11 22:58:04,277 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [805958445]
[2024-03-11 22:58:04,277 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 22:58:04,278 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-03-11 22:58:04,278 INFO  L189       MonitoredProcess]: No working directory specified, using /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3
[2024-03-11 22:58:04,279 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)
[2024-03-11 22:58:04,282 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
[2024-03-11 22:58:04,374 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 22:58:04,376 INFO  L263         TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 7 conjunts are in the unsatisfiable core
[2024-03-11 22:58:04,377 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2024-03-11 22:58:04,540 INFO  L134       CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 22:58:04,540 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-03-11 22:58:04,540 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [805958445] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 22:58:04,540 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-03-11 22:58:04,540 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 11
[2024-03-11 22:58:04,540 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973517701]
[2024-03-11 22:58:04,540 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 22:58:04,540 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-03-11 22:58:04,541 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 22:58:04,541 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-03-11 22:58:04,541 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132
[2024-03-11 22:58:04,578 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 105 out of 195
[2024-03-11 22:58:04,579 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)
[2024-03-11 22:58:04,579 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 22:58:04,579 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 195
[2024-03-11 22:58:04,579 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 22:58:05,217 INFO  L130       PetriNetUnfolder]: 3751/9031 cut-off events.
[2024-03-11 22:58:05,217 INFO  L131       PetriNetUnfolder]: For 9473/10229 co-relation queries the response was YES.
[2024-03-11 22:58:05,231 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. 
[2024-03-11 22:58:05,245 INFO  L137   encePairwiseOnDemand]: 192/195 looper letters, 109 selfloop transitions, 5 changer transitions 10/139 dead transitions.
[2024-03-11 22:58:05,245 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 139 transitions, 899 flow
[2024-03-11 22:58:05,246 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-03-11 22:58:05,246 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2024-03-11 22:58:05,247 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 837 transitions.
[2024-03-11 22:58:05,247 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6131868131868132
[2024-03-11 22:58:05,247 INFO  L72            ComplementDD]: Start complementDD. Operand 7 states and 837 transitions.
[2024-03-11 22:58:05,247 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 7 states and 837 transitions.
[2024-03-11 22:58:05,248 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 22:58:05,248 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 837 transitions.
[2024-03-11 22:58:05,249 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)
[2024-03-11 22:58:05,251 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)
[2024-03-11 22:58:05,251 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)
[2024-03-11 22:58:05,251 INFO  L175             Difference]: Start difference. First operand has 65 places, 59 transitions, 311 flow. Second operand 7 states and 837 transitions.
[2024-03-11 22:58:05,251 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 139 transitions, 899 flow
[2024-03-11 22:58:05,265 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 139 transitions, 861 flow, removed 0 selfloop flow, removed 4 redundant places.
[2024-03-11 22:58:05,267 INFO  L231             Difference]: Finished difference. Result has 67 places, 60 transitions, 300 flow
[2024-03-11 22:58:05,267 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}
[2024-03-11 22:58:05,268 INFO  L288   CegarLoopForPetriNet]: 51 programPoint places, 16 predicate places.
[2024-03-11 22:58:05,268 INFO  L495      AbstractCegarLoop]: Abstraction has has 67 places, 60 transitions, 300 flow
[2024-03-11 22:58:05,268 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)
[2024-03-11 22:58:05,268 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 22:58:05,268 INFO  L209   CegarLoopForPetriNet]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-11 22:58:05,278 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
[2024-03-11 22:58:05,469 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
[2024-03-11 22:58:05,470 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)] ===
[2024-03-11 22:58:05,470 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 22:58:05,471 INFO  L85        PathProgramCache]: Analyzing trace with hash 446996961, now seen corresponding path program 1 times
[2024-03-11 22:58:05,471 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 22:58:05,471 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922979177]
[2024-03-11 22:58:05,472 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 22:58:05,472 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 22:58:05,484 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 22:58:05,496 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2024-03-11 22:58:05,496 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 22:58:05,496 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922979177]
[2024-03-11 22:58:05,496 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922979177] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 22:58:05,496 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 22:58:05,496 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-11 22:58:05,496 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445417339]
[2024-03-11 22:58:05,496 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 22:58:05,497 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-11 22:58:05,497 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 22:58:05,497 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-11 22:58:05,497 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-11 22:58:05,515 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 100 out of 195
[2024-03-11 22:58:05,516 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)
[2024-03-11 22:58:05,516 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 22:58:05,516 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 195
[2024-03-11 22:58:05,516 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 22:58:06,113 INFO  L130       PetriNetUnfolder]: 4370/10023 cut-off events.
[2024-03-11 22:58:06,113 INFO  L131       PetriNetUnfolder]: For 12467/12545 co-relation queries the response was YES.
[2024-03-11 22:58:06,129 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. 
[2024-03-11 22:58:06,145 INFO  L137   encePairwiseOnDemand]: 191/195 looper letters, 58 selfloop transitions, 4 changer transitions 1/71 dead transitions.
[2024-03-11 22:58:06,145 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 71 transitions, 480 flow
[2024-03-11 22:58:06,146 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-11 22:58:06,146 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-11 22:58:06,146 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 348 transitions.
[2024-03-11 22:58:06,147 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5948717948717949
[2024-03-11 22:58:06,147 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 348 transitions.
[2024-03-11 22:58:06,147 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 348 transitions.
[2024-03-11 22:58:06,147 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 22:58:06,147 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 348 transitions.
[2024-03-11 22:58:06,148 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)
[2024-03-11 22:58:06,149 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)
[2024-03-11 22:58:06,149 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)
[2024-03-11 22:58:06,149 INFO  L175             Difference]: Start difference. First operand has 67 places, 60 transitions, 300 flow. Second operand 3 states and 348 transitions.
[2024-03-11 22:58:06,149 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 71 transitions, 480 flow
[2024-03-11 22:58:06,155 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 71 transitions, 477 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-03-11 22:58:06,156 INFO  L231             Difference]: Finished difference. Result has 68 places, 62 transitions, 329 flow
[2024-03-11 22:58:06,156 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}
[2024-03-11 22:58:06,157 INFO  L288   CegarLoopForPetriNet]: 51 programPoint places, 17 predicate places.
[2024-03-11 22:58:06,157 INFO  L495      AbstractCegarLoop]: Abstraction has has 68 places, 62 transitions, 329 flow
[2024-03-11 22:58:06,157 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)
[2024-03-11 22:58:06,157 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 22:58:06,157 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]
[2024-03-11 22:58:06,157 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2024-03-11 22:58:06,157 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)] ===
[2024-03-11 22:58:06,157 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 22:58:06,157 INFO  L85        PathProgramCache]: Analyzing trace with hash -1700190220, now seen corresponding path program 1 times
[2024-03-11 22:58:06,158 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 22:58:06,158 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289899345]
[2024-03-11 22:58:06,158 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 22:58:06,158 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 22:58:06,167 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 22:58:06,236 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-03-11 22:58:06,236 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 22:58:06,236 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289899345]
[2024-03-11 22:58:06,236 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289899345] provided 0 perfect and 1 imperfect interpolant sequences
[2024-03-11 22:58:06,236 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083935247]
[2024-03-11 22:58:06,236 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 22:58:06,236 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-03-11 22:58:06,236 INFO  L189       MonitoredProcess]: No working directory specified, using /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3
[2024-03-11 22:58:06,237 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)
[2024-03-11 22:58:06,240 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
[2024-03-11 22:58:06,332 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 22:58:06,333 INFO  L263         TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 5 conjunts are in the unsatisfiable core
[2024-03-11 22:58:06,335 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2024-03-11 22:58:06,391 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-03-11 22:58:06,391 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2024-03-11 22:58:06,419 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-03-11 22:58:06,420 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1083935247] provided 0 perfect and 2 imperfect interpolant sequences
[2024-03-11 22:58:06,420 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-03-11 22:58:06,420 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8
[2024-03-11 22:58:06,420 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483122571]
[2024-03-11 22:58:06,420 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-03-11 22:58:06,420 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-03-11 22:58:06,420 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 22:58:06,421 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-03-11 22:58:06,421 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=37, Unknown=0, NotChecked=0, Total=72
[2024-03-11 22:58:06,457 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 103 out of 195
[2024-03-11 22:58:06,460 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)
[2024-03-11 22:58:06,460 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 22:58:06,460 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 195
[2024-03-11 22:58:06,460 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 22:58:07,053 INFO  L130       PetriNetUnfolder]: 3198/7514 cut-off events.
[2024-03-11 22:58:07,054 INFO  L131       PetriNetUnfolder]: For 9553/10123 co-relation queries the response was YES.
[2024-03-11 22:58:07,067 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. 
[2024-03-11 22:58:07,077 INFO  L137   encePairwiseOnDemand]: 192/195 looper letters, 86 selfloop transitions, 5 changer transitions 0/106 dead transitions.
[2024-03-11 22:58:07,077 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 106 transitions, 663 flow
[2024-03-11 22:58:07,078 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-11 22:58:07,078 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-11 22:58:07,079 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 701 transitions.
[2024-03-11 22:58:07,079 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5991452991452991
[2024-03-11 22:58:07,080 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 701 transitions.
[2024-03-11 22:58:07,080 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 701 transitions.
[2024-03-11 22:58:07,080 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 22:58:07,080 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 701 transitions.
[2024-03-11 22:58:07,081 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)
[2024-03-11 22:58:07,083 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)
[2024-03-11 22:58:07,083 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)
[2024-03-11 22:58:07,083 INFO  L175             Difference]: Start difference. First operand has 68 places, 62 transitions, 329 flow. Second operand 6 states and 701 transitions.
[2024-03-11 22:58:07,083 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 106 transitions, 663 flow
[2024-03-11 22:58:07,094 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 106 transitions, 645 flow, removed 6 selfloop flow, removed 1 redundant places.
[2024-03-11 22:58:07,095 INFO  L231             Difference]: Finished difference. Result has 75 places, 62 transitions, 335 flow
[2024-03-11 22:58:07,095 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}
[2024-03-11 22:58:07,095 INFO  L288   CegarLoopForPetriNet]: 51 programPoint places, 24 predicate places.
[2024-03-11 22:58:07,095 INFO  L495      AbstractCegarLoop]: Abstraction has has 75 places, 62 transitions, 335 flow
[2024-03-11 22:58:07,097 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)
[2024-03-11 22:58:07,098 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 22:58:07,098 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]
[2024-03-11 22:58:07,104 INFO  L552       MonitoredProcess]: [MP /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-03-11 22:58:07,298 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
[2024-03-11 22:58:07,299 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)] ===
[2024-03-11 22:58:07,300 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 22:58:07,300 INFO  L85        PathProgramCache]: Analyzing trace with hash 1531619191, now seen corresponding path program 1 times
[2024-03-11 22:58:07,300 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 22:58:07,300 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071073036]
[2024-03-11 22:58:07,300 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 22:58:07,301 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 22:58:07,325 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 22:58:07,370 INFO  L134       CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2024-03-11 22:58:07,371 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 22:58:07,371 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071073036]
[2024-03-11 22:58:07,371 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071073036] provided 0 perfect and 1 imperfect interpolant sequences
[2024-03-11 22:58:07,371 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1452808625]
[2024-03-11 22:58:07,371 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 22:58:07,371 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-03-11 22:58:07,371 INFO  L189       MonitoredProcess]: No working directory specified, using /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3
[2024-03-11 22:58:07,372 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)
[2024-03-11 22:58:07,375 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
[2024-03-11 22:58:07,483 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 22:58:07,484 INFO  L263         TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 4 conjunts are in the unsatisfiable core
[2024-03-11 22:58:07,485 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2024-03-11 22:58:07,554 INFO  L134       CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2024-03-11 22:58:07,554 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2024-03-11 22:58:07,610 INFO  L134       CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2024-03-11 22:58:07,610 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1452808625] provided 0 perfect and 2 imperfect interpolant sequences
[2024-03-11 22:58:07,610 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-03-11 22:58:07,610 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9
[2024-03-11 22:58:07,610 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698889080]
[2024-03-11 22:58:07,611 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-03-11 22:58:07,611 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-03-11 22:58:07,611 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 22:58:07,611 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-03-11 22:58:07,611 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90
[2024-03-11 22:58:07,697 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 103 out of 195
[2024-03-11 22:58:07,698 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)
[2024-03-11 22:58:07,698 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 22:58:07,698 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 195
[2024-03-11 22:58:07,698 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 22:58:08,142 INFO  L130       PetriNetUnfolder]: 1745/3788 cut-off events.
[2024-03-11 22:58:08,142 INFO  L131       PetriNetUnfolder]: For 8557/8994 co-relation queries the response was YES.
[2024-03-11 22:58:08,149 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. 
[2024-03-11 22:58:08,151 INFO  L137   encePairwiseOnDemand]: 190/195 looper letters, 0 selfloop transitions, 0 changer transitions 129/129 dead transitions.
[2024-03-11 22:58:08,151 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 129 transitions, 778 flow
[2024-03-11 22:58:08,152 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-03-11 22:58:08,152 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2024-03-11 22:58:08,153 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 844 transitions.
[2024-03-11 22:58:08,153 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6183150183150183
[2024-03-11 22:58:08,153 INFO  L72            ComplementDD]: Start complementDD. Operand 7 states and 844 transitions.
[2024-03-11 22:58:08,153 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 7 states and 844 transitions.
[2024-03-11 22:58:08,154 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 22:58:08,154 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 844 transitions.
[2024-03-11 22:58:08,155 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)
[2024-03-11 22:58:08,156 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)
[2024-03-11 22:58:08,157 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)
[2024-03-11 22:58:08,157 INFO  L175             Difference]: Start difference. First operand has 75 places, 62 transitions, 335 flow. Second operand 7 states and 844 transitions.
[2024-03-11 22:58:08,157 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 129 transitions, 778 flow
[2024-03-11 22:58:08,162 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 129 transitions, 683 flow, removed 28 selfloop flow, removed 10 redundant places.
[2024-03-11 22:58:08,162 INFO  L231             Difference]: Finished difference. Result has 66 places, 0 transitions, 0 flow
[2024-03-11 22:58:08,162 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}
[2024-03-11 22:58:08,163 INFO  L288   CegarLoopForPetriNet]: 51 programPoint places, 15 predicate places.
[2024-03-11 22:58:08,163 INFO  L495      AbstractCegarLoop]: Abstraction has has 66 places, 0 transitions, 0 flow
[2024-03-11 22:58:08,163 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)
[2024-03-11 22:58:08,163 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining)
[2024-03-11 22:58:08,163 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining)
[2024-03-11 22:58:08,164 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 8 remaining)
[2024-03-11 22:58:08,164 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location threadErr0ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining)
[2024-03-11 22:58:08,164 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location threadErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining)
[2024-03-11 22:58:08,164 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining)
[2024-03-11 22:58:08,164 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining)
[2024-03-11 22:58:08,164 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining)
[2024-03-11 22:58:08,169 INFO  L552       MonitoredProcess]: [MP /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-03-11 22:58:08,367 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
[2024-03-11 22:58:08,368 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-11 22:58:08,375 INFO  L228   ceAbstractionStarter]: Analysis of concurrent program completed with 4 thread instances
[2024-03-11 22:58:08,375 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2024-03-11 22:58:08,383 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 10:58:08 BasicIcfg
[2024-03-11 22:58:08,383 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-03-11 22:58:08,383 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-03-11 22:58:08,384 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2024-03-11 22:58:08,384 INFO  L275        PluginConnector]: Witness Printer initialized
[2024-03-11 22:58:08,384 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 10:57:35" (3/4) ...
[2024-03-11 22:58:08,387 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2024-03-11 22:58:08,527 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure thread
[2024-03-11 22:58:08,533 INFO  L961   BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges
[2024-03-11 22:58:08,533 INFO  L961   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-03-11 22:58:08,533 INFO  L961   BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2024-03-11 22:58:08,631 INFO  L141         WitnessManager]: Wrote witness to /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/witness.graphml
[2024-03-11 22:58:08,631 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-03-11 22:58:08,632 INFO  L158              Benchmark]: Toolchain (without parser) took 33501.43ms. Allocated memory was 115.3MB in the beginning and 6.0GB in the end (delta: 5.9GB). Free memory was 78.2MB in the beginning and 3.7GB in the end (delta: -3.6GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB.
[2024-03-11 22:58:08,633 INFO  L158              Benchmark]: CDTParser took 0.21ms. Allocated memory is still 115.3MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-03-11 22:58:08,633 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 295.35ms. Allocated memory is still 115.3MB. Free memory was 77.8MB in the beginning and 59.2MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2024-03-11 22:58:08,634 INFO  L158              Benchmark]: Boogie Procedure Inliner took 30.11ms. Allocated memory is still 115.3MB. Free memory was 59.2MB in the beginning and 57.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-03-11 22:58:08,634 INFO  L158              Benchmark]: Boogie Preprocessor took 20.45ms. Allocated memory is still 115.3MB. Free memory was 57.2MB in the beginning and 55.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-03-11 22:58:08,635 INFO  L158              Benchmark]: RCFGBuilder took 320.09ms. Allocated memory was 115.3MB in the beginning and 159.4MB in the end (delta: 44.0MB). Free memory was 55.5MB in the beginning and 127.2MB in the end (delta: -71.7MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB.
[2024-03-11 22:58:08,636 INFO  L158              Benchmark]: TraceAbstraction took 32582.52ms. Allocated memory was 159.4MB in the beginning and 6.0GB in the end (delta: 5.8GB). Free memory was 126.4MB in the beginning and 3.7GB in the end (delta: -3.6GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB.
[2024-03-11 22:58:08,636 INFO  L158              Benchmark]: Witness Printer took 247.87ms. Allocated memory is still 6.0GB. Free memory was 3.7GB in the beginning and 3.7GB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-03-11 22:58:08,638 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.21ms. Allocated memory is still 115.3MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 295.35ms. Allocated memory is still 115.3MB. Free memory was 77.8MB in the beginning and 59.2MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 30.11ms. Allocated memory is still 115.3MB. Free memory was 59.2MB in the beginning and 57.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 20.45ms. Allocated memory is still 115.3MB. Free memory was 57.2MB in the beginning and 55.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 320.09ms. Allocated memory was 115.3MB in the beginning and 159.4MB in the end (delta: 44.0MB). Free memory was 55.5MB in the beginning and 127.2MB in the end (delta: -71.7MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB.
 * TraceAbstraction took 32582.52ms. Allocated memory was 159.4MB in the beginning and 6.0GB in the end (delta: 5.8GB). Free memory was 126.4MB in the beginning and 3.7GB in the end (delta: -3.6GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB.
 * Witness Printer took 247.87ms. Allocated memory is still 6.0GB. Free memory was 3.7GB in the beginning and 3.7GB 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: 1.3s, 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: 1.5s, 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: 1.5s, 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: 1.9s, OverallIterations: 4, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.3s, 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: 3.9s, OverallIterations: 6, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 244 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 152 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.3s 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: 24.6s, OverallIterations: 11, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 21.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1029 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 781 mSDsluCounter, 74 SdHoareTripleChecker+Invalid, 1.1s 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, 0.7s 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!
[2024-03-11 22:58:08,658 INFO  L552       MonitoredProcess]: [MP /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

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