./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/per-thread-struct-tid-join.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/per-thread-struct-tid-join.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 69187aa9c34da6f8049b900330a58db2edffb8545f28d350ef716aef0984845f
--- Real Ultimate output ---
This is Ultimate 0.2.2-dev-2329fc7
[2024-03-09 03:43:19,608 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2024-03-09 03:43:19,610 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2024-03-09 03:43:19,630 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2024-03-09 03:43:19,631 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2024-03-09 03:43:19,631 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2024-03-09 03:43:19,632 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2024-03-09 03:43:19,634 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2024-03-09 03:43:19,635 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2024-03-09 03:43:19,636 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2024-03-09 03:43:19,637 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2024-03-09 03:43:19,637 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2024-03-09 03:43:19,638 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2024-03-09 03:43:19,639 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2024-03-09 03:43:19,640 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2024-03-09 03:43:19,640 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2024-03-09 03:43:19,641 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2024-03-09 03:43:19,642 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2024-03-09 03:43:19,643 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2024-03-09 03:43:19,644 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2024-03-09 03:43:19,645 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2024-03-09 03:43:19,646 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2024-03-09 03:43:19,647 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2024-03-09 03:43:19,648 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2024-03-09 03:43:19,650 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2024-03-09 03:43:19,651 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2024-03-09 03:43:19,651 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2024-03-09 03:43:19,652 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2024-03-09 03:43:19,652 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2024-03-09 03:43:19,653 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2024-03-09 03:43:19,653 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2024-03-09 03:43:19,653 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2024-03-09 03:43:19,654 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2024-03-09 03:43:19,655 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2024-03-09 03:43:19,655 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2024-03-09 03:43:19,656 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2024-03-09 03:43:19,656 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2024-03-09 03:43:19,656 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2024-03-09 03:43:19,657 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2024-03-09 03:43:19,657 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2024-03-09 03:43:19,658 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2024-03-09 03:43:19,659 INFO  L101        SettingsManager]: Beginning loading settings from /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2024-03-09 03:43:19,675 INFO  L113        SettingsManager]: Loading preferences was successful
[2024-03-09 03:43:19,676 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2024-03-09 03:43:19,676 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-03-09 03:43:19,676 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-03-09 03:43:19,677 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-03-09 03:43:19,677 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-03-09 03:43:19,677 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-03-09 03:43:19,677 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2024-03-09 03:43:19,678 INFO  L138        SettingsManager]:  * Use SBE=true
[2024-03-09 03:43:19,678 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-03-09 03:43:19,678 INFO  L138        SettingsManager]:  * sizeof long=4
[2024-03-09 03:43:19,678 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2024-03-09 03:43:19,678 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-03-09 03:43:19,679 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2024-03-09 03:43:19,679 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2024-03-09 03:43:19,679 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-03-09 03:43:19,679 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-03-09 03:43:19,679 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-03-09 03:43:19,679 INFO  L138        SettingsManager]:  * Check absence of data races in concurrent programs=true
[2024-03-09 03:43:19,680 INFO  L138        SettingsManager]:  * sizeof long double=12
[2024-03-09 03:43:19,680 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2024-03-09 03:43:19,680 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2024-03-09 03:43:19,680 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-03-09 03:43:19,680 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-03-09 03:43:19,681 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-03-09 03:43:19,681 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-03-09 03:43:19,681 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-03-09 03:43:19,681 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-03-09 03:43:19,681 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-03-09 03:43:19,682 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2024-03-09 03:43:19,682 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-03-09 03:43:19,682 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-03-09 03:43:19,682 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-03-09 03:43:19,682 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2024-03-09 03:43:19,683 INFO  L138        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-03-09 03:43:19,683 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-03-09 03:43:19,683 INFO  L138        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2024-03-09 03:43:19,683 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 -> 69187aa9c34da6f8049b900330a58db2edffb8545f28d350ef716aef0984845f
[2024-03-09 03:43:19,866 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-03-09 03:43:19,885 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-03-09 03:43:19,887 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-03-09 03:43:19,888 INFO  L271        PluginConnector]: Initializing CDTParser...
[2024-03-09 03:43:19,888 INFO  L275        PluginConnector]: CDTParser initialized
[2024-03-09 03:43:19,889 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/per-thread-struct-tid-join.i
[2024-03-09 03:43:20,852 INFO  L500              CDTParser]: Created temporary CDT project at NULL
[2024-03-09 03:43:21,063 INFO  L351              CDTParser]: Found 1 translation units.
[2024-03-09 03:43:21,063 INFO  L172              CDTParser]: Scanning /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/per-thread-struct-tid-join.i
[2024-03-09 03:43:21,073 INFO  L394              CDTParser]: About to delete temporary CDT project at /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data/e6843d611/1361eb971a7c4ae9abca45eb235c6808/FLAG012158b13
[2024-03-09 03:43:21,084 INFO  L402              CDTParser]: Successfully deleted /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data/e6843d611/1361eb971a7c4ae9abca45eb235c6808
[2024-03-09 03:43:21,086 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-03-09 03:43:21,087 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-03-09 03:43:21,088 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-03-09 03:43:21,088 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-03-09 03:43:21,091 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-03-09 03:43:21,091 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 03:43:21" (1/1) ...
[2024-03-09 03:43:21,092 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60175b55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:43:21, skipping insertion in model container
[2024-03-09 03:43:21,092 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 03:43:21" (1/1) ...
[2024-03-09 03:43:21,098 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2024-03-09 03:43:21,127 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2024-03-09 03:43:21,239 WARN  L611        FunctionHandler]: implicit declaration of function __builtin_bswap16
[2024-03-09 03:43:21,435 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-03-09 03:43:21,445 INFO  L203         MainTranslator]: Completed pre-run
[2024-03-09 03:43:21,456 WARN  L611        FunctionHandler]: implicit declaration of function __builtin_bswap16
[2024-03-09 03:43:21,475 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-03-09 03:43:21,512 INFO  L208         MainTranslator]: Completed translation
[2024-03-09 03:43:21,512 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:43:21 WrapperNode
[2024-03-09 03:43:21,512 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-03-09 03:43:21,513 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-03-09 03:43:21,513 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-03-09 03:43:21,513 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2024-03-09 03:43:21,522 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:43:21" (1/1) ...
[2024-03-09 03:43:21,540 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:43:21" (1/1) ...
[2024-03-09 03:43:21,567 INFO  L138                Inliner]: procedures = 267, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 84
[2024-03-09 03:43:21,567 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-03-09 03:43:21,567 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-03-09 03:43:21,567 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2024-03-09 03:43:21,567 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2024-03-09 03:43:21,574 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:43:21" (1/1) ...
[2024-03-09 03:43:21,574 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:43:21" (1/1) ...
[2024-03-09 03:43:21,579 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:43:21" (1/1) ...
[2024-03-09 03:43:21,579 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:43:21" (1/1) ...
[2024-03-09 03:43:21,586 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:43:21" (1/1) ...
[2024-03-09 03:43:21,590 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:43:21" (1/1) ...
[2024-03-09 03:43:21,592 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:43:21" (1/1) ...
[2024-03-09 03:43:21,594 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:43:21" (1/1) ...
[2024-03-09 03:43:21,597 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-03-09 03:43:21,599 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-03-09 03:43:21,599 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2024-03-09 03:43:21,599 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2024-03-09 03:43:21,600 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:43:21" (1/1) ...
[2024-03-09 03:43:21,606 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-03-09 03:43:21,614 INFO  L189       MonitoredProcess]: No working directory specified, using /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3
[2024-03-09 03:43:21,626 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)
[2024-03-09 03:43:21,629 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
[2024-03-09 03:43:21,671 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2024-03-09 03:43:21,671 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-03-09 03:43:21,672 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2024-03-09 03:43:21,672 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2024-03-09 03:43:21,672 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-03-09 03:43:21,672 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-03-09 03:43:21,672 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-03-09 03:43:21,672 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2024-03-09 03:43:21,672 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-03-09 03:43:21,673 INFO  L130     BoogieDeclarations]: Found specification of procedure thread
[2024-03-09 03:43:21,673 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread
[2024-03-09 03:43:21,673 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-03-09 03:43:21,673 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-03-09 03:43:21,675 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2024-03-09 03:43:21,801 INFO  L235             CfgBuilder]: Building ICFG
[2024-03-09 03:43:21,814 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-03-09 03:43:22,000 INFO  L276             CfgBuilder]: Performing block encoding
[2024-03-09 03:43:22,006 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-03-09 03:43:22,006 INFO  L300             CfgBuilder]: Removed 2 assume(true) statements.
[2024-03-09 03:43:22,007 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.03 03:43:22 BoogieIcfgContainer
[2024-03-09 03:43:22,008 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-03-09 03:43:22,009 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-03-09 03:43:22,009 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2024-03-09 03:43:22,011 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2024-03-09 03:43:22,011 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 03:43:21" (1/3) ...
[2024-03-09 03:43:22,012 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f9f239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 03:43:22, skipping insertion in model container
[2024-03-09 03:43:22,012 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:43:21" (2/3) ...
[2024-03-09 03:43:22,012 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f9f239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 03:43:22, skipping insertion in model container
[2024-03-09 03:43:22,012 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.03 03:43:22" (3/3) ...
[2024-03-09 03:43:22,013 INFO  L112   eAbstractionObserver]: Analyzing ICFG per-thread-struct-tid-join.i
[2024-03-09 03:43:22,019 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2024-03-09 03:43:22,026 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-03-09 03:43:22,026 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations.
[2024-03-09 03:43:22,026 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-03-09 03:43:22,061 INFO  L144    ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2024-03-09 03:43:22,086 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 110 places, 111 transitions, 230 flow
[2024-03-09 03:43:22,127 INFO  L130       PetriNetUnfolder]: 6/155 cut-off events.
[2024-03-09 03:43:22,127 INFO  L131       PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2024-03-09 03:43:22,131 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 161 conditions, 155 events. 6/155 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 235 event pairs, 0 based on Foata normal form. 0/136 useless extension candidates. Maximal degree in co-relation 75. Up to 4 conditions per place. 
[2024-03-09 03:43:22,131 INFO  L82        GeneralOperation]: Start removeDead. Operand has 110 places, 111 transitions, 230 flow
[2024-03-09 03:43:22,134 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 110 places, 111 transitions, 230 flow
[2024-03-09 03:43:22,137 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2024-03-09 03:43:22,144 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 110 places, 111 transitions, 230 flow
[2024-03-09 03:43:22,146 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 110 places, 111 transitions, 230 flow
[2024-03-09 03:43:22,146 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 110 places, 111 transitions, 230 flow
[2024-03-09 03:43:22,169 INFO  L130       PetriNetUnfolder]: 6/155 cut-off events.
[2024-03-09 03:43:22,169 INFO  L131       PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2024-03-09 03:43:22,169 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 161 conditions, 155 events. 6/155 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 235 event pairs, 0 based on Foata normal form. 0/136 useless extension candidates. Maximal degree in co-relation 75. Up to 4 conditions per place. 
[2024-03-09 03:43:22,171 INFO  L119        LiptonReduction]: Number of co-enabled transitions 1400
[2024-03-09 03:43:26,856 INFO  L134        LiptonReduction]: Checked pairs total: 2063
[2024-03-09 03:43:26,857 INFO  L136        LiptonReduction]: Total number of compositions: 107
[2024-03-09 03:43:26,869 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-09 03:43:26,874 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;@47d71472, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2024-03-09 03:43:26,874 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 8 error locations.
[2024-03-09 03:43:26,875 INFO  L130       PetriNetUnfolder]: 0/2 cut-off events.
[2024-03-09 03:43:26,876 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2024-03-09 03:43:26,876 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-09 03:43:26,876 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1]
[2024-03-09 03:43:26,876 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2024-03-09 03:43:26,880 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 03:43:26,880 INFO  L85        PathProgramCache]: Analyzing trace with hash 12699, now seen corresponding path program 1 times
[2024-03-09 03:43:26,886 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 03:43:26,887 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538822004]
[2024-03-09 03:43:26,887 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 03:43:26,887 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 03:43:26,967 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 03:43:27,010 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 03:43:27,011 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 03:43:27,011 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538822004]
[2024-03-09 03:43:27,011 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538822004] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 03:43:27,012 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 03:43:27,012 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-03-09 03:43:27,013 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116382080]
[2024-03-09 03:43:27,013 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 03:43:27,020 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-03-09 03:43:27,020 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 03:43:27,035 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-03-09 03:43:27,036 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-03-09 03:43:27,038 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 106 out of 218
[2024-03-09 03:43:27,039 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 21 transitions, 50 flow. Second operand  has 2 states, 2 states have (on average 107.0) internal successors, (214), 2 states have internal predecessors, (214), 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)
[2024-03-09 03:43:27,039 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 03:43:27,039 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 218
[2024-03-09 03:43:27,040 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 03:43:27,102 INFO  L130       PetriNetUnfolder]: 19/66 cut-off events.
[2024-03-09 03:43:27,102 INFO  L131       PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2024-03-09 03:43:27,103 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 127 conditions, 66 events. 19/66 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 206 event pairs, 18 based on Foata normal form. 0/53 useless extension candidates. Maximal degree in co-relation 99. Up to 55 conditions per place. 
[2024-03-09 03:43:27,104 INFO  L137   encePairwiseOnDemand]: 214/218 looper letters, 13 selfloop transitions, 0 changer transitions 0/17 dead transitions.
[2024-03-09 03:43:27,105 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 17 transitions, 68 flow
[2024-03-09 03:43:27,106 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-03-09 03:43:27,109 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2024-03-09 03:43:27,115 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 229 transitions.
[2024-03-09 03:43:27,117 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5252293577981652
[2024-03-09 03:43:27,117 INFO  L72            ComplementDD]: Start complementDD. Operand 2 states and 229 transitions.
[2024-03-09 03:43:27,117 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 2 states and 229 transitions.
[2024-03-09 03:43:27,118 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 03:43:27,120 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 229 transitions.
[2024-03-09 03:43:27,122 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 3 states, 2 states have (on average 114.5) internal successors, (229), 2 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)
[2024-03-09 03:43:27,126 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 3 states, 3 states have (on average 218.0) internal successors, (654), 3 states have internal predecessors, (654), 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)
[2024-03-09 03:43:27,127 INFO  L81            ComplementDD]: Finished complementDD. Result  has 3 states, 3 states have (on average 218.0) internal successors, (654), 3 states have internal predecessors, (654), 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)
[2024-03-09 03:43:27,128 INFO  L175             Difference]: Start difference. First operand has 23 places, 21 transitions, 50 flow. Second operand 2 states and 229 transitions.
[2024-03-09 03:43:27,128 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 20 places, 17 transitions, 68 flow
[2024-03-09 03:43:27,130 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 17 transitions, 68 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-09 03:43:27,131 INFO  L231             Difference]: Finished difference. Result has 20 places, 17 transitions, 42 flow
[2024-03-09 03:43:27,132 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=218, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=42, PETRI_PLACES=20, PETRI_TRANSITIONS=17}
[2024-03-09 03:43:27,135 INFO  L288   CegarLoopForPetriNet]: 23 programPoint places, -3 predicate places.
[2024-03-09 03:43:27,135 INFO  L495      AbstractCegarLoop]: Abstraction has has 20 places, 17 transitions, 42 flow
[2024-03-09 03:43:27,135 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 107.0) internal successors, (214), 2 states have internal predecessors, (214), 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)
[2024-03-09 03:43:27,136 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-09 03:43:27,136 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2024-03-09 03:43:27,136 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-03-09 03:43:27,136 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2024-03-09 03:43:27,136 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 03:43:27,136 INFO  L85        PathProgramCache]: Analyzing trace with hash 12164281, now seen corresponding path program 1 times
[2024-03-09 03:43:27,137 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 03:43:27,137 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249623232]
[2024-03-09 03:43:27,137 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 03:43:27,137 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 03:43:27,151 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 03:43:27,189 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 03:43:27,189 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 03:43:27,189 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249623232]
[2024-03-09 03:43:27,189 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249623232] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 03:43:27,189 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 03:43:27,189 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-09 03:43:27,189 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218552540]
[2024-03-09 03:43:27,190 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 03:43:27,190 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-09 03:43:27,191 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 03:43:27,191 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-09 03:43:27,191 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-09 03:43:27,206 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 102 out of 218
[2024-03-09 03:43:27,207 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 17 transitions, 42 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)
[2024-03-09 03:43:27,207 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 03:43:27,207 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 218
[2024-03-09 03:43:27,208 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 03:43:27,298 INFO  L130       PetriNetUnfolder]: 24/81 cut-off events.
[2024-03-09 03:43:27,299 INFO  L131       PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2024-03-09 03:43:27,299 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 161 conditions, 81 events. 24/81 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 274 event pairs, 13 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 157. Up to 50 conditions per place. 
[2024-03-09 03:43:27,300 INFO  L137   encePairwiseOnDemand]: 214/218 looper letters, 14 selfloop transitions, 3 changer transitions 3/22 dead transitions.
[2024-03-09 03:43:27,300 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 22 transitions, 92 flow
[2024-03-09 03:43:27,300 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-09 03:43:27,301 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-09 03:43:27,313 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 327 transitions.
[2024-03-09 03:43:27,314 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5
[2024-03-09 03:43:27,314 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 327 transitions.
[2024-03-09 03:43:27,314 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 327 transitions.
[2024-03-09 03:43:27,316 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 03:43:27,316 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 327 transitions.
[2024-03-09 03:43:27,318 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 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)
[2024-03-09 03:43:27,320 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 218.0) internal successors, (872), 4 states have internal predecessors, (872), 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)
[2024-03-09 03:43:27,321 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 218.0) internal successors, (872), 4 states have internal predecessors, (872), 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)
[2024-03-09 03:43:27,321 INFO  L175             Difference]: Start difference. First operand has 20 places, 17 transitions, 42 flow. Second operand 3 states and 327 transitions.
[2024-03-09 03:43:27,321 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 22 places, 22 transitions, 92 flow
[2024-03-09 03:43:27,322 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 22 transitions, 92 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-09 03:43:27,323 INFO  L231             Difference]: Finished difference. Result has 24 places, 17 transitions, 57 flow
[2024-03-09 03:43:27,323 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=218, PETRI_DIFFERENCE_MINUEND_FLOW=42, 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=57, PETRI_PLACES=24, PETRI_TRANSITIONS=17}
[2024-03-09 03:43:27,323 INFO  L288   CegarLoopForPetriNet]: 23 programPoint places, 1 predicate places.
[2024-03-09 03:43:27,323 INFO  L495      AbstractCegarLoop]: Abstraction has has 24 places, 17 transitions, 57 flow
[2024-03-09 03:43:27,324 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)
[2024-03-09 03:43:27,324 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-09 03:43:27,324 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1]
[2024-03-09 03:43:27,324 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-03-09 03:43:27,324 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2024-03-09 03:43:27,324 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 03:43:27,324 INFO  L85        PathProgramCache]: Analyzing trace with hash -1146286878, now seen corresponding path program 1 times
[2024-03-09 03:43:27,325 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 03:43:27,325 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457568666]
[2024-03-09 03:43:27,325 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 03:43:27,325 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 03:43:27,366 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-09 03:43:27,366 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-03-09 03:43:27,385 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-09 03:43:27,402 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-03-09 03:43:27,402 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-03-09 03:43:27,403 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining)
[2024-03-09 03:43:27,404 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining)
[2024-03-09 03:43:27,404 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining)
[2024-03-09 03:43:27,404 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining)
[2024-03-09 03:43:27,404 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining)
[2024-03-09 03:43:27,405 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining)
[2024-03-09 03:43:27,405 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining)
[2024-03-09 03:43:27,405 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining)
[2024-03-09 03:43:27,405 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-03-09 03:43:27,405 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-03-09 03:43:27,407 WARN  L233   ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-03-09 03:43:27,407 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2024-03-09 03:43:27,421 INFO  L144    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-03-09 03:43:27,424 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 127 places, 127 transitions, 272 flow
[2024-03-09 03:43:27,446 INFO  L130       PetriNetUnfolder]: 11/275 cut-off events.
[2024-03-09 03:43:27,447 INFO  L131       PetriNetUnfolder]: For 6/6 co-relation queries the response was YES.
[2024-03-09 03:43:27,447 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 289 conditions, 275 events. 11/275 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 525 event pairs, 0 based on Foata normal form. 0/240 useless extension candidates. Maximal degree in co-relation 157. Up to 8 conditions per place. 
[2024-03-09 03:43:27,447 INFO  L82        GeneralOperation]: Start removeDead. Operand has 127 places, 127 transitions, 272 flow
[2024-03-09 03:43:27,448 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 127 places, 127 transitions, 272 flow
[2024-03-09 03:43:27,449 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2024-03-09 03:43:27,449 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 127 places, 127 transitions, 272 flow
[2024-03-09 03:43:27,449 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 127 places, 127 transitions, 272 flow
[2024-03-09 03:43:27,449 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 127 places, 127 transitions, 272 flow
[2024-03-09 03:43:27,467 INFO  L130       PetriNetUnfolder]: 11/275 cut-off events.
[2024-03-09 03:43:27,467 INFO  L131       PetriNetUnfolder]: For 6/6 co-relation queries the response was YES.
[2024-03-09 03:43:27,468 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 289 conditions, 275 events. 11/275 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 525 event pairs, 0 based on Foata normal form. 0/240 useless extension candidates. Maximal degree in co-relation 157. Up to 8 conditions per place. 
[2024-03-09 03:43:27,470 INFO  L119        LiptonReduction]: Number of co-enabled transitions 4060
[2024-03-09 03:43:31,747 INFO  L134        LiptonReduction]: Checked pairs total: 7893
[2024-03-09 03:43:31,747 INFO  L136        LiptonReduction]: Total number of compositions: 113
[2024-03-09 03:43:31,749 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-09 03:43:31,750 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;@47d71472, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2024-03-09 03:43:31,750 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 9 error locations.
[2024-03-09 03:43:31,751 INFO  L130       PetriNetUnfolder]: 0/2 cut-off events.
[2024-03-09 03:43:31,751 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2024-03-09 03:43:31,751 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-09 03:43:31,751 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1]
[2024-03-09 03:43:31,751 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-03-09 03:43:31,751 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 03:43:31,751 INFO  L85        PathProgramCache]: Analyzing trace with hash 20890, now seen corresponding path program 1 times
[2024-03-09 03:43:31,751 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 03:43:31,752 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075726196]
[2024-03-09 03:43:31,752 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 03:43:31,752 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 03:43:31,759 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 03:43:31,766 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 03:43:31,766 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 03:43:31,767 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075726196]
[2024-03-09 03:43:31,767 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075726196] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 03:43:31,767 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 03:43:31,767 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-03-09 03:43:31,767 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805295820]
[2024-03-09 03:43:31,767 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 03:43:31,767 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-03-09 03:43:31,767 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 03:43:31,768 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-03-09 03:43:31,768 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-03-09 03:43:31,768 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 120 out of 240
[2024-03-09 03:43:31,768 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 33 transitions, 84 flow. Second operand  has 2 states, 2 states have (on average 121.0) internal successors, (242), 2 states have internal predecessors, (242), 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)
[2024-03-09 03:43:31,769 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 03:43:31,769 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 240
[2024-03-09 03:43:31,769 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 03:43:31,889 INFO  L130       PetriNetUnfolder]: 382/806 cut-off events.
[2024-03-09 03:43:31,889 INFO  L131       PetriNetUnfolder]: For 39/39 co-relation queries the response was YES.
[2024-03-09 03:43:31,891 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 1523 conditions, 806 events. 382/806 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 4240 event pairs, 374 based on Foata normal form. 0/715 useless extension candidates. Maximal degree in co-relation 644. Up to 673 conditions per place. 
[2024-03-09 03:43:31,893 INFO  L137   encePairwiseOnDemand]: 236/240 looper letters, 21 selfloop transitions, 0 changer transitions 0/29 dead transitions.
[2024-03-09 03:43:31,893 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 29 transitions, 118 flow
[2024-03-09 03:43:31,894 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-03-09 03:43:31,894 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2024-03-09 03:43:31,895 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 265 transitions.
[2024-03-09 03:43:31,895 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5520833333333334
[2024-03-09 03:43:31,895 INFO  L72            ComplementDD]: Start complementDD. Operand 2 states and 265 transitions.
[2024-03-09 03:43:31,895 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 2 states and 265 transitions.
[2024-03-09 03:43:31,896 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 03:43:31,896 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 265 transitions.
[2024-03-09 03:43:31,897 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 3 states, 2 states have (on average 132.5) internal successors, (265), 2 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)
[2024-03-09 03:43:31,898 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 3 states, 3 states have (on average 240.0) internal successors, (720), 3 states have internal predecessors, (720), 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)
[2024-03-09 03:43:31,899 INFO  L81            ComplementDD]: Finished complementDD. Result  has 3 states, 3 states have (on average 240.0) internal successors, (720), 3 states have internal predecessors, (720), 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)
[2024-03-09 03:43:31,899 INFO  L175             Difference]: Start difference. First operand has 36 places, 33 transitions, 84 flow. Second operand 2 states and 265 transitions.
[2024-03-09 03:43:31,899 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 29 transitions, 118 flow
[2024-03-09 03:43:31,900 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 29 transitions, 118 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-09 03:43:31,900 INFO  L231             Difference]: Finished difference. Result has 33 places, 29 transitions, 76 flow
[2024-03-09 03:43:31,900 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=76, PETRI_PLACES=33, PETRI_TRANSITIONS=29}
[2024-03-09 03:43:31,901 INFO  L288   CegarLoopForPetriNet]: 36 programPoint places, -3 predicate places.
[2024-03-09 03:43:31,901 INFO  L495      AbstractCegarLoop]: Abstraction has has 33 places, 29 transitions, 76 flow
[2024-03-09 03:43:31,901 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 121.0) internal successors, (242), 2 states have internal predecessors, (242), 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)
[2024-03-09 03:43:31,902 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-09 03:43:31,902 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2024-03-09 03:43:31,902 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-03-09 03:43:31,902 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-03-09 03:43:31,902 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 03:43:31,902 INFO  L85        PathProgramCache]: Analyzing trace with hash 20043196, now seen corresponding path program 1 times
[2024-03-09 03:43:31,903 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 03:43:31,903 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299207081]
[2024-03-09 03:43:31,903 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 03:43:31,903 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 03:43:31,910 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 03:43:31,925 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 03:43:31,925 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 03:43:31,925 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299207081]
[2024-03-09 03:43:31,926 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299207081] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 03:43:31,926 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 03:43:31,926 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-09 03:43:31,926 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288712355]
[2024-03-09 03:43:31,927 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 03:43:31,927 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-09 03:43:31,927 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 03:43:31,927 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-09 03:43:31,928 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-09 03:43:31,940 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 115 out of 240
[2024-03-09 03:43:31,941 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 29 transitions, 76 flow. Second operand  has 3 states, 3 states have (on average 116.33333333333333) internal successors, (349), 3 states have internal predecessors, (349), 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)
[2024-03-09 03:43:31,941 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 03:43:31,941 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 240
[2024-03-09 03:43:31,941 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 03:43:32,081 INFO  L130       PetriNetUnfolder]: 679/1281 cut-off events.
[2024-03-09 03:43:32,081 INFO  L131       PetriNetUnfolder]: For 42/42 co-relation queries the response was YES.
[2024-03-09 03:43:32,083 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2525 conditions, 1281 events. 679/1281 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 6783 event pairs, 416 based on Foata normal form. 0/1156 useless extension candidates. Maximal degree in co-relation 2520. Up to 850 conditions per place. 
[2024-03-09 03:43:32,087 INFO  L137   encePairwiseOnDemand]: 235/240 looper letters, 32 selfloop transitions, 4 changer transitions 0/41 dead transitions.
[2024-03-09 03:43:32,087 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 41 transitions, 172 flow
[2024-03-09 03:43:32,088 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-09 03:43:32,088 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-09 03:43:32,089 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 382 transitions.
[2024-03-09 03:43:32,089 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5305555555555556
[2024-03-09 03:43:32,089 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 382 transitions.
[2024-03-09 03:43:32,089 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 382 transitions.
[2024-03-09 03:43:32,089 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 03:43:32,090 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 382 transitions.
[2024-03-09 03:43:32,090 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 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)
[2024-03-09 03:43:32,092 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 240.0) internal successors, (960), 4 states have internal predecessors, (960), 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)
[2024-03-09 03:43:32,093 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 240.0) internal successors, (960), 4 states have internal predecessors, (960), 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)
[2024-03-09 03:43:32,093 INFO  L175             Difference]: Start difference. First operand has 33 places, 29 transitions, 76 flow. Second operand 3 states and 382 transitions.
[2024-03-09 03:43:32,093 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 41 transitions, 172 flow
[2024-03-09 03:43:32,094 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 41 transitions, 172 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-09 03:43:32,095 INFO  L231             Difference]: Finished difference. Result has 37 places, 32 transitions, 106 flow
[2024-03-09 03:43:32,095 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=106, PETRI_PLACES=37, PETRI_TRANSITIONS=32}
[2024-03-09 03:43:32,095 INFO  L288   CegarLoopForPetriNet]: 36 programPoint places, 1 predicate places.
[2024-03-09 03:43:32,096 INFO  L495      AbstractCegarLoop]: Abstraction has has 37 places, 32 transitions, 106 flow
[2024-03-09 03:43:32,096 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 116.33333333333333) internal successors, (349), 3 states have internal predecessors, (349), 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)
[2024-03-09 03:43:32,096 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-09 03:43:32,096 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-03-09 03:43:32,096 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-03-09 03:43:32,097 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-03-09 03:43:32,097 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 03:43:32,097 INFO  L85        PathProgramCache]: Analyzing trace with hash 1633492787, now seen corresponding path program 1 times
[2024-03-09 03:43:32,097 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 03:43:32,097 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601124267]
[2024-03-09 03:43:32,097 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 03:43:32,098 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 03:43:32,110 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 03:43:32,128 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 03:43:32,129 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 03:43:32,129 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601124267]
[2024-03-09 03:43:32,129 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601124267] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 03:43:32,129 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 03:43:32,129 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-09 03:43:32,130 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637310893]
[2024-03-09 03:43:32,130 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 03:43:32,130 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-09 03:43:32,130 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 03:43:32,131 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-09 03:43:32,131 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-09 03:43:32,144 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 113 out of 240
[2024-03-09 03:43:32,145 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 32 transitions, 106 flow. Second operand  has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 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)
[2024-03-09 03:43:32,145 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 03:43:32,145 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 240
[2024-03-09 03:43:32,145 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 03:43:32,320 INFO  L130       PetriNetUnfolder]: 679/1316 cut-off events.
[2024-03-09 03:43:32,320 INFO  L131       PetriNetUnfolder]: For 304/304 co-relation queries the response was YES.
[2024-03-09 03:43:32,322 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2927 conditions, 1316 events. 679/1316 cut-off events. For 304/304 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 7398 event pairs, 502 based on Foata normal form. 0/1207 useless extension candidates. Maximal degree in co-relation 2920. Up to 1043 conditions per place. 
[2024-03-09 03:43:32,326 INFO  L137   encePairwiseOnDemand]: 235/240 looper letters, 35 selfloop transitions, 6 changer transitions 0/48 dead transitions.
[2024-03-09 03:43:32,326 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 48 transitions, 238 flow
[2024-03-09 03:43:32,326 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-09 03:43:32,326 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-09 03:43:32,327 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 378 transitions.
[2024-03-09 03:43:32,327 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.525
[2024-03-09 03:43:32,327 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 378 transitions.
[2024-03-09 03:43:32,327 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 378 transitions.
[2024-03-09 03:43:32,328 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 03:43:32,328 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 378 transitions.
[2024-03-09 03:43:32,328 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 126.0) internal successors, (378), 3 states have internal predecessors, (378), 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)
[2024-03-09 03:43:32,330 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 240.0) internal successors, (960), 4 states have internal predecessors, (960), 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)
[2024-03-09 03:43:32,330 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 240.0) internal successors, (960), 4 states have internal predecessors, (960), 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)
[2024-03-09 03:43:32,330 INFO  L175             Difference]: Start difference. First operand has 37 places, 32 transitions, 106 flow. Second operand 3 states and 378 transitions.
[2024-03-09 03:43:32,330 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 48 transitions, 238 flow
[2024-03-09 03:43:32,333 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 48 transitions, 226 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-03-09 03:43:32,334 INFO  L231             Difference]: Finished difference. Result has 38 places, 36 transitions, 140 flow
[2024-03-09 03:43:32,334 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=140, PETRI_PLACES=38, PETRI_TRANSITIONS=36}
[2024-03-09 03:43:32,335 INFO  L288   CegarLoopForPetriNet]: 36 programPoint places, 2 predicate places.
[2024-03-09 03:43:32,335 INFO  L495      AbstractCegarLoop]: Abstraction has has 38 places, 36 transitions, 140 flow
[2024-03-09 03:43:32,335 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 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)
[2024-03-09 03:43:32,335 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-09 03:43:32,335 INFO  L209   CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1]
[2024-03-09 03:43:32,335 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-03-09 03:43:32,336 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-03-09 03:43:32,336 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 03:43:32,336 INFO  L85        PathProgramCache]: Analyzing trace with hash 1042788414, now seen corresponding path program 1 times
[2024-03-09 03:43:32,336 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 03:43:32,336 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054096987]
[2024-03-09 03:43:32,336 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 03:43:32,336 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 03:43:32,374 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-09 03:43:32,375 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-03-09 03:43:32,390 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-09 03:43:32,397 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-03-09 03:43:32,397 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-03-09 03:43:32,397 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 9 remaining)
[2024-03-09 03:43:32,398 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining)
[2024-03-09 03:43:32,398 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining)
[2024-03-09 03:43:32,398 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining)
[2024-03-09 03:43:32,398 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (4 of 9 remaining)
[2024-03-09 03:43:32,398 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining)
[2024-03-09 03:43:32,398 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining)
[2024-03-09 03:43:32,398 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining)
[2024-03-09 03:43:32,398 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining)
[2024-03-09 03:43:32,399 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-03-09 03:43:32,399 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-03-09 03:43:32,399 WARN  L233   ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-03-09 03:43:32,399 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances.
[2024-03-09 03:43:32,413 INFO  L144    ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2024-03-09 03:43:32,415 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 144 places, 143 transitions, 316 flow
[2024-03-09 03:43:32,451 INFO  L130       PetriNetUnfolder]: 21/478 cut-off events.
[2024-03-09 03:43:32,451 INFO  L131       PetriNetUnfolder]: For 19/19 co-relation queries the response was YES.
[2024-03-09 03:43:32,452 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 506 conditions, 478 events. 21/478 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1236 event pairs, 1 based on Foata normal form. 0/415 useless extension candidates. Maximal degree in co-relation 283. Up to 16 conditions per place. 
[2024-03-09 03:43:32,452 INFO  L82        GeneralOperation]: Start removeDead. Operand has 144 places, 143 transitions, 316 flow
[2024-03-09 03:43:32,453 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 144 places, 143 transitions, 316 flow
[2024-03-09 03:43:32,454 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2024-03-09 03:43:32,454 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 144 places, 143 transitions, 316 flow
[2024-03-09 03:43:32,454 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 144 places, 143 transitions, 316 flow
[2024-03-09 03:43:32,454 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 144 places, 143 transitions, 316 flow
[2024-03-09 03:43:32,497 INFO  L130       PetriNetUnfolder]: 21/478 cut-off events.
[2024-03-09 03:43:32,497 INFO  L131       PetriNetUnfolder]: For 19/19 co-relation queries the response was YES.
[2024-03-09 03:43:32,498 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 506 conditions, 478 events. 21/478 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1236 event pairs, 1 based on Foata normal form. 0/415 useless extension candidates. Maximal degree in co-relation 283. Up to 16 conditions per place. 
[2024-03-09 03:43:32,503 INFO  L119        LiptonReduction]: Number of co-enabled transitions 6804
[2024-03-09 03:43:37,140 INFO  L134        LiptonReduction]: Checked pairs total: 14464
[2024-03-09 03:43:37,141 INFO  L136        LiptonReduction]: Total number of compositions: 120
[2024-03-09 03:43:37,143 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-09 03:43:37,145 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;@47d71472, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2024-03-09 03:43:37,145 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 10 error locations.
[2024-03-09 03:43:37,146 INFO  L130       PetriNetUnfolder]: 0/2 cut-off events.
[2024-03-09 03:43:37,146 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2024-03-09 03:43:37,147 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-09 03:43:37,147 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1]
[2024-03-09 03:43:37,147 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2024-03-09 03:43:37,147 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 03:43:37,147 INFO  L85        PathProgramCache]: Analyzing trace with hash 29820, now seen corresponding path program 1 times
[2024-03-09 03:43:37,147 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 03:43:37,148 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898851025]
[2024-03-09 03:43:37,148 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 03:43:37,148 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 03:43:37,156 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 03:43:37,160 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 03:43:37,161 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 03:43:37,161 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898851025]
[2024-03-09 03:43:37,161 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898851025] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 03:43:37,161 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 03:43:37,161 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-03-09 03:43:37,161 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585005188]
[2024-03-09 03:43:37,161 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 03:43:37,161 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-03-09 03:43:37,161 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 03:43:37,162 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-03-09 03:43:37,162 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-03-09 03:43:37,162 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 134 out of 263
[2024-03-09 03:43:37,162 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 41 transitions, 112 flow. Second operand  has 2 states, 2 states have (on average 135.0) internal successors, (270), 2 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)
[2024-03-09 03:43:37,162 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 03:43:37,162 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 263
[2024-03-09 03:43:37,162 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 03:43:37,532 INFO  L130       PetriNetUnfolder]: 3374/5735 cut-off events.
[2024-03-09 03:43:37,532 INFO  L131       PetriNetUnfolder]: For 445/445 co-relation queries the response was YES.
[2024-03-09 03:43:37,537 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 11098 conditions, 5735 events. 3374/5735 cut-off events. For 445/445 co-relation queries the response was YES. Maximal size of possible extension queue 253. Compared 36830 event pairs, 3325 based on Foata normal form. 0/5177 useless extension candidates. Maximal degree in co-relation 1517. Up to 5042 conditions per place. 
[2024-03-09 03:43:37,556 INFO  L137   encePairwiseOnDemand]: 259/263 looper letters, 27 selfloop transitions, 0 changer transitions 0/37 dead transitions.
[2024-03-09 03:43:37,556 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 37 transitions, 158 flow
[2024-03-09 03:43:37,557 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-03-09 03:43:37,557 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2024-03-09 03:43:37,557 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 299 transitions.
[2024-03-09 03:43:37,557 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5684410646387833
[2024-03-09 03:43:37,558 INFO  L72            ComplementDD]: Start complementDD. Operand 2 states and 299 transitions.
[2024-03-09 03:43:37,558 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 2 states and 299 transitions.
[2024-03-09 03:43:37,558 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 03:43:37,558 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 299 transitions.
[2024-03-09 03:43:37,558 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 3 states, 2 states have (on average 149.5) internal successors, (299), 2 states have internal predecessors, (299), 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)
[2024-03-09 03:43:37,559 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 3 states, 3 states have (on average 263.0) internal successors, (789), 3 states have internal predecessors, (789), 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)
[2024-03-09 03:43:37,560 INFO  L81            ComplementDD]: Finished complementDD. Result  has 3 states, 3 states have (on average 263.0) internal successors, (789), 3 states have internal predecessors, (789), 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)
[2024-03-09 03:43:37,560 INFO  L175             Difference]: Start difference. First operand has 45 places, 41 transitions, 112 flow. Second operand 2 states and 299 transitions.
[2024-03-09 03:43:37,560 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 37 transitions, 158 flow
[2024-03-09 03:43:37,561 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 37 transitions, 158 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-09 03:43:37,561 INFO  L231             Difference]: Finished difference. Result has 42 places, 37 transitions, 104 flow
[2024-03-09 03:43:37,561 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=263, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=104, PETRI_PLACES=42, PETRI_TRANSITIONS=37}
[2024-03-09 03:43:37,562 INFO  L288   CegarLoopForPetriNet]: 45 programPoint places, -3 predicate places.
[2024-03-09 03:43:37,562 INFO  L495      AbstractCegarLoop]: Abstraction has has 42 places, 37 transitions, 104 flow
[2024-03-09 03:43:37,562 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 135.0) internal successors, (270), 2 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)
[2024-03-09 03:43:37,562 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-09 03:43:37,562 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2024-03-09 03:43:37,562 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-03-09 03:43:37,562 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2024-03-09 03:43:37,563 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 03:43:37,563 INFO  L85        PathProgramCache]: Analyzing trace with hash 28629956, now seen corresponding path program 1 times
[2024-03-09 03:43:37,563 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 03:43:37,563 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169764307]
[2024-03-09 03:43:37,563 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 03:43:37,563 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 03:43:37,568 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 03:43:37,580 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 03:43:37,580 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 03:43:37,580 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169764307]
[2024-03-09 03:43:37,580 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169764307] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 03:43:37,580 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 03:43:37,580 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-09 03:43:37,580 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942061333]
[2024-03-09 03:43:37,580 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 03:43:37,581 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-09 03:43:37,581 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 03:43:37,581 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-09 03:43:37,581 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-09 03:43:37,597 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 128 out of 263
[2024-03-09 03:43:37,597 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 37 transitions, 104 flow. Second operand  has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 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)
[2024-03-09 03:43:37,597 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 03:43:37,598 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 263
[2024-03-09 03:43:37,598 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 03:43:38,264 INFO  L130       PetriNetUnfolder]: 6464/10469 cut-off events.
[2024-03-09 03:43:38,264 INFO  L131       PetriNetUnfolder]: For 513/513 co-relation queries the response was YES.
[2024-03-09 03:43:38,272 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 20544 conditions, 10469 events. 6464/10469 cut-off events. For 513/513 co-relation queries the response was YES. Maximal size of possible extension queue 403. Compared 67687 event pairs, 4145 based on Foata normal form. 0/9647 useless extension candidates. Maximal degree in co-relation 20538. Up to 7124 conditions per place. 
[2024-03-09 03:43:38,307 INFO  L137   encePairwiseOnDemand]: 257/263 looper letters, 41 selfloop transitions, 5 changer transitions 0/53 dead transitions.
[2024-03-09 03:43:38,307 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 53 transitions, 228 flow
[2024-03-09 03:43:38,309 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-09 03:43:38,309 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-09 03:43:38,310 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 431 transitions.
[2024-03-09 03:43:38,310 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5462610899873257
[2024-03-09 03:43:38,310 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 431 transitions.
[2024-03-09 03:43:38,310 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 431 transitions.
[2024-03-09 03:43:38,310 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 03:43:38,310 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 431 transitions.
[2024-03-09 03:43:38,312 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 143.66666666666666) internal successors, (431), 3 states have internal predecessors, (431), 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)
[2024-03-09 03:43:38,314 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 263.0) internal successors, (1052), 4 states have internal predecessors, (1052), 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)
[2024-03-09 03:43:38,314 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 263.0) internal successors, (1052), 4 states have internal predecessors, (1052), 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)
[2024-03-09 03:43:38,314 INFO  L175             Difference]: Start difference. First operand has 42 places, 37 transitions, 104 flow. Second operand 3 states and 431 transitions.
[2024-03-09 03:43:38,314 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 53 transitions, 228 flow
[2024-03-09 03:43:38,315 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 53 transitions, 228 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-09 03:43:38,315 INFO  L231             Difference]: Finished difference. Result has 46 places, 41 transitions, 142 flow
[2024-03-09 03:43:38,315 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=263, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=142, PETRI_PLACES=46, PETRI_TRANSITIONS=41}
[2024-03-09 03:43:38,316 INFO  L288   CegarLoopForPetriNet]: 45 programPoint places, 1 predicate places.
[2024-03-09 03:43:38,316 INFO  L495      AbstractCegarLoop]: Abstraction has has 46 places, 41 transitions, 142 flow
[2024-03-09 03:43:38,317 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 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)
[2024-03-09 03:43:38,317 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-09 03:43:38,317 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-03-09 03:43:38,317 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-03-09 03:43:38,318 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2024-03-09 03:43:38,318 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 03:43:38,318 INFO  L85        PathProgramCache]: Analyzing trace with hash -176176592, now seen corresponding path program 1 times
[2024-03-09 03:43:38,318 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 03:43:38,318 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066430750]
[2024-03-09 03:43:38,318 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 03:43:38,318 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 03:43:38,331 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 03:43:38,356 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 03:43:38,356 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 03:43:38,356 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066430750]
[2024-03-09 03:43:38,357 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066430750] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 03:43:38,357 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 03:43:38,357 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-09 03:43:38,357 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246477457]
[2024-03-09 03:43:38,357 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 03:43:38,357 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-09 03:43:38,357 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 03:43:38,358 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-09 03:43:38,358 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-09 03:43:38,379 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 126 out of 263
[2024-03-09 03:43:38,379 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 41 transitions, 142 flow. Second operand  has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 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)
[2024-03-09 03:43:38,379 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 03:43:38,379 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 263
[2024-03-09 03:43:38,379 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 03:43:39,168 INFO  L130       PetriNetUnfolder]: 6972/11520 cut-off events.
[2024-03-09 03:43:39,168 INFO  L131       PetriNetUnfolder]: For 3510/3582 co-relation queries the response was YES.
[2024-03-09 03:43:39,179 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 25615 conditions, 11520 events. 6972/11520 cut-off events. For 3510/3582 co-relation queries the response was YES. Maximal size of possible extension queue 513. Compared 79367 event pairs, 5230 based on Foata normal form. 12/10666 useless extension candidates. Maximal degree in co-relation 25607. Up to 9221 conditions per place. 
[2024-03-09 03:43:39,206 INFO  L137   encePairwiseOnDemand]: 257/263 looper letters, 47 selfloop transitions, 8 changer transitions 0/64 dead transitions.
[2024-03-09 03:43:39,206 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 64 transitions, 332 flow
[2024-03-09 03:43:39,206 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-09 03:43:39,207 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-09 03:43:39,207 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 429 transitions.
[2024-03-09 03:43:39,208 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5437262357414449
[2024-03-09 03:43:39,208 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 429 transitions.
[2024-03-09 03:43:39,208 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 429 transitions.
[2024-03-09 03:43:39,208 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 03:43:39,208 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 429 transitions.
[2024-03-09 03:43:39,209 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 143.0) internal successors, (429), 3 states have internal predecessors, (429), 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)
[2024-03-09 03:43:39,210 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 263.0) internal successors, (1052), 4 states have internal predecessors, (1052), 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)
[2024-03-09 03:43:39,210 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 263.0) internal successors, (1052), 4 states have internal predecessors, (1052), 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)
[2024-03-09 03:43:39,210 INFO  L175             Difference]: Start difference. First operand has 46 places, 41 transitions, 142 flow. Second operand 3 states and 429 transitions.
[2024-03-09 03:43:39,210 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 64 transitions, 332 flow
[2024-03-09 03:43:39,238 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 64 transitions, 316 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-03-09 03:43:39,238 INFO  L231             Difference]: Finished difference. Result has 47 places, 47 transitions, 192 flow
[2024-03-09 03:43:39,239 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=263, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=192, PETRI_PLACES=47, PETRI_TRANSITIONS=47}
[2024-03-09 03:43:39,239 INFO  L288   CegarLoopForPetriNet]: 45 programPoint places, 2 predicate places.
[2024-03-09 03:43:39,239 INFO  L495      AbstractCegarLoop]: Abstraction has has 47 places, 47 transitions, 192 flow
[2024-03-09 03:43:39,239 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 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)
[2024-03-09 03:43:39,239 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-09 03:43:39,239 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 03:43:39,240 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-03-09 03:43:39,240 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2024-03-09 03:43:39,240 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 03:43:39,240 INFO  L85        PathProgramCache]: Analyzing trace with hash -181884704, now seen corresponding path program 1 times
[2024-03-09 03:43:39,240 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 03:43:39,240 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636968314]
[2024-03-09 03:43:39,240 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 03:43:39,240 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 03:43:39,251 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 03:43:39,302 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 03:43:39,302 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 03:43:39,302 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636968314]
[2024-03-09 03:43:39,302 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636968314] provided 0 perfect and 1 imperfect interpolant sequences
[2024-03-09 03:43:39,302 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [924682841]
[2024-03-09 03:43:39,302 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 03:43:39,303 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-03-09 03:43:39,303 INFO  L189       MonitoredProcess]: No working directory specified, using /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3
[2024-03-09 03:43:39,307 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)
[2024-03-09 03:43:39,309 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
[2024-03-09 03:43:39,383 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 03:43:39,384 INFO  L263         TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjunts are in the unsatisfiable core
[2024-03-09 03:43:39,385 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2024-03-09 03:43:39,439 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 03:43:39,439 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2024-03-09 03:43:39,465 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 03:43:39,465 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [924682841] provided 0 perfect and 2 imperfect interpolant sequences
[2024-03-09 03:43:39,465 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-03-09 03:43:39,465 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6
[2024-03-09 03:43:39,465 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158553106]
[2024-03-09 03:43:39,465 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-03-09 03:43:39,466 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-03-09 03:43:39,466 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 03:43:39,466 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-03-09 03:43:39,466 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42
[2024-03-09 03:43:39,666 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 124 out of 263
[2024-03-09 03:43:39,667 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 47 transitions, 192 flow. Second operand  has 7 states, 7 states have (on average 125.71428571428571) internal successors, (880), 7 states have internal predecessors, (880), 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)
[2024-03-09 03:43:39,667 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 03:43:39,667 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 263
[2024-03-09 03:43:39,667 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 03:43:40,408 INFO  L130       PetriNetUnfolder]: 3642/6297 cut-off events.
[2024-03-09 03:43:40,408 INFO  L131       PetriNetUnfolder]: For 3233/3821 co-relation queries the response was YES.
[2024-03-09 03:43:40,414 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 15037 conditions, 6297 events. 3642/6297 cut-off events. For 3233/3821 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 41317 event pairs, 1900 based on Foata normal form. 487/6436 useless extension candidates. Maximal degree in co-relation 15028. Up to 3467 conditions per place. 
[2024-03-09 03:43:40,426 INFO  L137   encePairwiseOnDemand]: 257/263 looper letters, 67 selfloop transitions, 6 changer transitions 4/89 dead transitions.
[2024-03-09 03:43:40,427 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 89 transitions, 489 flow
[2024-03-09 03:43:40,427 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-03-09 03:43:40,427 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2024-03-09 03:43:40,429 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 932 transitions.
[2024-03-09 03:43:40,429 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5062466051059207
[2024-03-09 03:43:40,429 INFO  L72            ComplementDD]: Start complementDD. Operand 7 states and 932 transitions.
[2024-03-09 03:43:40,429 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 7 states and 932 transitions.
[2024-03-09 03:43:40,430 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 03:43:40,430 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 932 transitions.
[2024-03-09 03:43:40,432 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 8 states, 7 states have (on average 133.14285714285714) internal successors, (932), 7 states have internal predecessors, (932), 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)
[2024-03-09 03:43:40,433 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 8 states, 8 states have (on average 263.0) internal successors, (2104), 8 states have internal predecessors, (2104), 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)
[2024-03-09 03:43:40,434 INFO  L81            ComplementDD]: Finished complementDD. Result  has 8 states, 8 states have (on average 263.0) internal successors, (2104), 8 states have internal predecessors, (2104), 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)
[2024-03-09 03:43:40,434 INFO  L175             Difference]: Start difference. First operand has 47 places, 47 transitions, 192 flow. Second operand 7 states and 932 transitions.
[2024-03-09 03:43:40,434 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 89 transitions, 489 flow
[2024-03-09 03:43:40,437 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 89 transitions, 475 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-03-09 03:43:40,438 INFO  L231             Difference]: Finished difference. Result has 55 places, 50 transitions, 221 flow
[2024-03-09 03:43:40,438 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=263, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=221, PETRI_PLACES=55, PETRI_TRANSITIONS=50}
[2024-03-09 03:43:40,439 INFO  L288   CegarLoopForPetriNet]: 45 programPoint places, 10 predicate places.
[2024-03-09 03:43:40,439 INFO  L495      AbstractCegarLoop]: Abstraction has has 55 places, 50 transitions, 221 flow
[2024-03-09 03:43:40,439 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 125.71428571428571) internal successors, (880), 7 states have internal predecessors, (880), 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)
[2024-03-09 03:43:40,439 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-09 03:43:40,439 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 03:43:40,447 INFO  L552       MonitoredProcess]: [MP /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-03-09 03:43:40,640 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,SelfDestructingSolverStorable10
[2024-03-09 03:43:40,640 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2024-03-09 03:43:40,641 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 03:43:40,641 INFO  L85        PathProgramCache]: Analyzing trace with hash 1418258490, now seen corresponding path program 1 times
[2024-03-09 03:43:40,641 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 03:43:40,642 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582725340]
[2024-03-09 03:43:40,642 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 03:43:40,642 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 03:43:40,659 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 03:43:40,678 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-03-09 03:43:40,678 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 03:43:40,678 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582725340]
[2024-03-09 03:43:40,678 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582725340] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 03:43:40,679 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 03:43:40,679 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-09 03:43:40,679 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072691220]
[2024-03-09 03:43:40,679 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 03:43:40,679 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-09 03:43:40,679 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 03:43:40,679 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-09 03:43:40,679 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-09 03:43:40,699 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 126 out of 263
[2024-03-09 03:43:40,700 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 50 transitions, 221 flow. Second operand  has 3 states, 3 states have (on average 129.0) internal successors, (387), 3 states have internal predecessors, (387), 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)
[2024-03-09 03:43:40,700 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 03:43:40,700 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 263
[2024-03-09 03:43:40,700 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 03:43:41,274 INFO  L130       PetriNetUnfolder]: 5027/8479 cut-off events.
[2024-03-09 03:43:41,275 INFO  L131       PetriNetUnfolder]: For 6393/6624 co-relation queries the response was YES.
[2024-03-09 03:43:41,284 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 22221 conditions, 8479 events. 5027/8479 cut-off events. For 6393/6624 co-relation queries the response was YES. Maximal size of possible extension queue 301. Compared 54953 event pairs, 3787 based on Foata normal form. 0/8092 useless extension candidates. Maximal degree in co-relation 22209. Up to 6886 conditions per place. 
[2024-03-09 03:43:41,302 INFO  L137   encePairwiseOnDemand]: 257/263 looper letters, 55 selfloop transitions, 10 changer transitions 0/74 dead transitions.
[2024-03-09 03:43:41,302 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 74 transitions, 456 flow
[2024-03-09 03:43:41,303 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-09 03:43:41,303 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-09 03:43:41,304 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 428 transitions.
[2024-03-09 03:43:41,304 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5424588086185045
[2024-03-09 03:43:41,304 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 428 transitions.
[2024-03-09 03:43:41,304 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 428 transitions.
[2024-03-09 03:43:41,304 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 03:43:41,304 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 428 transitions.
[2024-03-09 03:43:41,305 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 states have internal predecessors, (428), 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)
[2024-03-09 03:43:41,306 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 263.0) internal successors, (1052), 4 states have internal predecessors, (1052), 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)
[2024-03-09 03:43:41,306 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 263.0) internal successors, (1052), 4 states have internal predecessors, (1052), 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)
[2024-03-09 03:43:41,306 INFO  L175             Difference]: Start difference. First operand has 55 places, 50 transitions, 221 flow. Second operand 3 states and 428 transitions.
[2024-03-09 03:43:41,306 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 74 transitions, 456 flow
[2024-03-09 03:43:41,312 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 74 transitions, 451 flow, removed 2 selfloop flow, removed 1 redundant places.
[2024-03-09 03:43:41,313 INFO  L231             Difference]: Finished difference. Result has 56 places, 56 transitions, 296 flow
[2024-03-09 03:43:41,313 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=263, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=296, PETRI_PLACES=56, PETRI_TRANSITIONS=56}
[2024-03-09 03:43:41,313 INFO  L288   CegarLoopForPetriNet]: 45 programPoint places, 11 predicate places.
[2024-03-09 03:43:41,313 INFO  L495      AbstractCegarLoop]: Abstraction has has 56 places, 56 transitions, 296 flow
[2024-03-09 03:43:41,313 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 129.0) internal successors, (387), 3 states have internal predecessors, (387), 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)
[2024-03-09 03:43:41,314 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-09 03:43:41,314 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 03:43:41,314 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-03-09 03:43:41,314 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2024-03-09 03:43:41,314 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 03:43:41,314 INFO  L85        PathProgramCache]: Analyzing trace with hash -816872184, now seen corresponding path program 1 times
[2024-03-09 03:43:41,314 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 03:43:41,314 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993790716]
[2024-03-09 03:43:41,314 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 03:43:41,314 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 03:43:41,327 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 03:43:41,382 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 03:43:41,382 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 03:43:41,383 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993790716]
[2024-03-09 03:43:41,383 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993790716] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 03:43:41,383 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 03:43:41,383 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-03-09 03:43:41,383 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904306607]
[2024-03-09 03:43:41,383 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 03:43:41,383 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-09 03:43:41,383 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 03:43:41,383 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-09 03:43:41,383 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-09 03:43:41,399 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 127 out of 263
[2024-03-09 03:43:41,400 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 56 transitions, 296 flow. Second operand  has 3 states, 3 states have (on average 130.66666666666666) internal successors, (392), 3 states have internal predecessors, (392), 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)
[2024-03-09 03:43:41,400 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 03:43:41,400 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 263
[2024-03-09 03:43:41,400 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 03:43:41,624 INFO  L130       PetriNetUnfolder]: 789/1950 cut-off events.
[2024-03-09 03:43:41,624 INFO  L131       PetriNetUnfolder]: For 2460/2470 co-relation queries the response was YES.
[2024-03-09 03:43:41,627 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 5606 conditions, 1950 events. 789/1950 cut-off events. For 2460/2470 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 13589 event pairs, 166 based on Foata normal form. 373/2271 useless extension candidates. Maximal degree in co-relation 5593. Up to 1246 conditions per place. 
[2024-03-09 03:43:41,631 INFO  L137   encePairwiseOnDemand]: 257/263 looper letters, 44 selfloop transitions, 6 changer transitions 0/62 dead transitions.
[2024-03-09 03:43:41,631 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 62 transitions, 405 flow
[2024-03-09 03:43:41,632 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-09 03:43:41,632 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-09 03:43:41,633 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 423 transitions.
[2024-03-09 03:43:41,633 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5361216730038023
[2024-03-09 03:43:41,633 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 423 transitions.
[2024-03-09 03:43:41,633 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 423 transitions.
[2024-03-09 03:43:41,633 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 03:43:41,633 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 423 transitions.
[2024-03-09 03:43:41,634 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 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)
[2024-03-09 03:43:41,635 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 263.0) internal successors, (1052), 4 states have internal predecessors, (1052), 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)
[2024-03-09 03:43:41,635 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 263.0) internal successors, (1052), 4 states have internal predecessors, (1052), 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)
[2024-03-09 03:43:41,635 INFO  L175             Difference]: Start difference. First operand has 56 places, 56 transitions, 296 flow. Second operand 3 states and 423 transitions.
[2024-03-09 03:43:41,635 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 62 transitions, 405 flow
[2024-03-09 03:43:41,638 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 62 transitions, 399 flow, removed 1 selfloop flow, removed 1 redundant places.
[2024-03-09 03:43:41,639 INFO  L231             Difference]: Finished difference. Result has 57 places, 48 transitions, 236 flow
[2024-03-09 03:43:41,639 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=263, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=236, PETRI_PLACES=57, PETRI_TRANSITIONS=48}
[2024-03-09 03:43:41,639 INFO  L288   CegarLoopForPetriNet]: 45 programPoint places, 12 predicate places.
[2024-03-09 03:43:41,640 INFO  L495      AbstractCegarLoop]: Abstraction has has 57 places, 48 transitions, 236 flow
[2024-03-09 03:43:41,640 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 130.66666666666666) internal successors, (392), 3 states have internal predecessors, (392), 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)
[2024-03-09 03:43:41,640 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-09 03:43:41,640 INFO  L209   CegarLoopForPetriNet]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1]
[2024-03-09 03:43:41,640 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-03-09 03:43:41,640 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2024-03-09 03:43:41,640 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 03:43:41,641 INFO  L85        PathProgramCache]: Analyzing trace with hash 1087620753, now seen corresponding path program 1 times
[2024-03-09 03:43:41,641 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 03:43:41,641 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142146066]
[2024-03-09 03:43:41,641 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 03:43:41,641 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 03:43:41,673 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-09 03:43:41,673 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-03-09 03:43:41,689 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-09 03:43:41,696 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-03-09 03:43:41,696 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-03-09 03:43:41,696 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 10 remaining)
[2024-03-09 03:43:41,696 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining)
[2024-03-09 03:43:41,697 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining)
[2024-03-09 03:43:41,697 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining)
[2024-03-09 03:43:41,697 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining)
[2024-03-09 03:43:41,697 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining)
[2024-03-09 03:43:41,697 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining)
[2024-03-09 03:43:41,697 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining)
[2024-03-09 03:43:41,697 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining)
[2024-03-09 03:43:41,697 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining)
[2024-03-09 03:43:41,697 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-03-09 03:43:41,697 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1]
[2024-03-09 03:43:41,698 WARN  L233   ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-03-09 03:43:41,698 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances.
[2024-03-09 03:43:41,714 INFO  L144    ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions.
[2024-03-09 03:43:41,716 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 161 places, 159 transitions, 362 flow
[2024-03-09 03:43:41,794 INFO  L130       PetriNetUnfolder]: 43/849 cut-off events.
[2024-03-09 03:43:41,794 INFO  L131       PetriNetUnfolder]: For 48/48 co-relation queries the response was YES.
[2024-03-09 03:43:41,795 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 904 conditions, 849 events. 43/849 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2960 event pairs, 6 based on Foata normal form. 0/734 useless extension candidates. Maximal degree in co-relation 498. Up to 32 conditions per place. 
[2024-03-09 03:43:41,795 INFO  L82        GeneralOperation]: Start removeDead. Operand has 161 places, 159 transitions, 362 flow
[2024-03-09 03:43:41,798 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 161 places, 159 transitions, 362 flow
[2024-03-09 03:43:41,798 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2024-03-09 03:43:41,798 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 161 places, 159 transitions, 362 flow
[2024-03-09 03:43:41,798 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 161 places, 159 transitions, 362 flow
[2024-03-09 03:43:41,798 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 161 places, 159 transitions, 362 flow
[2024-03-09 03:43:41,875 INFO  L130       PetriNetUnfolder]: 43/849 cut-off events.
[2024-03-09 03:43:41,875 INFO  L131       PetriNetUnfolder]: For 48/48 co-relation queries the response was YES.
[2024-03-09 03:43:41,876 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 904 conditions, 849 events. 43/849 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2960 event pairs, 6 based on Foata normal form. 0/734 useless extension candidates. Maximal degree in co-relation 498. Up to 32 conditions per place. 
[2024-03-09 03:43:41,891 INFO  L119        LiptonReduction]: Number of co-enabled transitions 10024
[2024-03-09 03:43:47,557 INFO  L134        LiptonReduction]: Checked pairs total: 23989
[2024-03-09 03:43:47,557 INFO  L136        LiptonReduction]: Total number of compositions: 128
[2024-03-09 03:43:47,568 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-09 03:43:47,568 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;@47d71472, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2024-03-09 03:43:47,568 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 11 error locations.
[2024-03-09 03:43:47,569 INFO  L130       PetriNetUnfolder]: 0/2 cut-off events.
[2024-03-09 03:43:47,569 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2024-03-09 03:43:47,570 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-09 03:43:47,570 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1]
[2024-03-09 03:43:47,570 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] ===
[2024-03-09 03:43:47,570 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 03:43:47,570 INFO  L85        PathProgramCache]: Analyzing trace with hash 39513, now seen corresponding path program 1 times
[2024-03-09 03:43:47,570 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 03:43:47,571 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185427256]
[2024-03-09 03:43:47,571 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 03:43:47,571 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 03:43:47,601 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 03:43:47,604 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 03:43:47,604 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 03:43:47,605 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185427256]
[2024-03-09 03:43:47,605 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185427256] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 03:43:47,605 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 03:43:47,605 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-03-09 03:43:47,605 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732422510]
[2024-03-09 03:43:47,605 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 03:43:47,606 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-03-09 03:43:47,606 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 03:43:47,606 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-03-09 03:43:47,606 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-03-09 03:43:47,607 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 148 out of 287
[2024-03-09 03:43:47,607 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 49 transitions, 142 flow. Second operand  has 2 states, 2 states have (on average 149.0) internal successors, (298), 2 states have internal predecessors, (298), 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)
[2024-03-09 03:43:47,607 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 03:43:47,607 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 287
[2024-03-09 03:43:47,607 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 03:43:50,392 INFO  L130       PetriNetUnfolder]: 31009/45710 cut-off events.
[2024-03-09 03:43:50,393 INFO  L131       PetriNetUnfolder]: For 4341/4341 co-relation queries the response was YES.
[2024-03-09 03:43:50,447 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 90241 conditions, 45710 events. 31009/45710 cut-off events. For 4341/4341 co-relation queries the response was YES. Maximal size of possible extension queue 1381. Compared 316987 event pairs, 30708 based on Foata normal form. 0/42320 useless extension candidates. Maximal degree in co-relation 12886. Up to 42187 conditions per place. 
[2024-03-09 03:43:50,585 INFO  L137   encePairwiseOnDemand]: 283/287 looper letters, 34 selfloop transitions, 0 changer transitions 0/45 dead transitions.
[2024-03-09 03:43:50,586 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 45 transitions, 202 flow
[2024-03-09 03:43:50,587 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-03-09 03:43:50,587 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2024-03-09 03:43:50,588 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 334 transitions.
[2024-03-09 03:43:50,588 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5818815331010453
[2024-03-09 03:43:50,588 INFO  L72            ComplementDD]: Start complementDD. Operand 2 states and 334 transitions.
[2024-03-09 03:43:50,588 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 2 states and 334 transitions.
[2024-03-09 03:43:50,588 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 03:43:50,588 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 334 transitions.
[2024-03-09 03:43:50,589 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 3 states, 2 states have (on average 167.0) internal successors, (334), 2 states have internal predecessors, (334), 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)
[2024-03-09 03:43:50,590 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 3 states, 3 states have (on average 287.0) internal successors, (861), 3 states have internal predecessors, (861), 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)
[2024-03-09 03:43:50,590 INFO  L81            ComplementDD]: Finished complementDD. Result  has 3 states, 3 states have (on average 287.0) internal successors, (861), 3 states have internal predecessors, (861), 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)
[2024-03-09 03:43:50,590 INFO  L175             Difference]: Start difference. First operand has 54 places, 49 transitions, 142 flow. Second operand 2 states and 334 transitions.
[2024-03-09 03:43:50,590 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 45 transitions, 202 flow
[2024-03-09 03:43:50,592 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 45 transitions, 202 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-09 03:43:50,592 INFO  L231             Difference]: Finished difference. Result has 51 places, 45 transitions, 134 flow
[2024-03-09 03:43:50,592 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=287, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=134, PETRI_PLACES=51, PETRI_TRANSITIONS=45}
[2024-03-09 03:43:50,593 INFO  L288   CegarLoopForPetriNet]: 54 programPoint places, -3 predicate places.
[2024-03-09 03:43:50,593 INFO  L495      AbstractCegarLoop]: Abstraction has has 51 places, 45 transitions, 134 flow
[2024-03-09 03:43:50,593 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 149.0) internal successors, (298), 2 states have internal predecessors, (298), 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)
[2024-03-09 03:43:50,593 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-09 03:43:50,593 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2024-03-09 03:43:50,593 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-03-09 03:43:50,593 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] ===
[2024-03-09 03:43:50,594 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 03:43:50,594 INFO  L85        PathProgramCache]: Analyzing trace with hash 37956585, now seen corresponding path program 1 times
[2024-03-09 03:43:50,594 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 03:43:50,594 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868514858]
[2024-03-09 03:43:50,594 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 03:43:50,594 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 03:43:50,601 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 03:43:50,612 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 03:43:50,612 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 03:43:50,612 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868514858]
[2024-03-09 03:43:50,612 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868514858] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 03:43:50,613 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 03:43:50,613 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-09 03:43:50,613 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67355652]
[2024-03-09 03:43:50,613 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 03:43:50,613 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-09 03:43:50,613 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 03:43:50,614 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-09 03:43:50,614 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-09 03:43:50,634 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 141 out of 287
[2024-03-09 03:43:50,635 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 45 transitions, 134 flow. Second operand  has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 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)
[2024-03-09 03:43:50,635 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 03:43:50,635 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 287
[2024-03-09 03:43:50,635 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 03:43:55,227 INFO  L130       PetriNetUnfolder]: 61760/88239 cut-off events.
[2024-03-09 03:43:55,227 INFO  L131       PetriNetUnfolder]: For 5019/5019 co-relation queries the response was YES.
[2024-03-09 03:43:55,344 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 175367 conditions, 88239 events. 61760/88239 cut-off events. For 5019/5019 co-relation queries the response was YES. Maximal size of possible extension queue 2183. Compared 607785 event pairs, 40541 based on Foata normal form. 0/82953 useless extension candidates. Maximal degree in co-relation 175360. Up to 62690 conditions per place. 
[2024-03-09 03:43:55,620 INFO  L137   encePairwiseOnDemand]: 280/287 looper letters, 52 selfloop transitions, 6 changer transitions 0/66 dead transitions.
[2024-03-09 03:43:55,621 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 66 transitions, 292 flow
[2024-03-09 03:43:55,621 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-09 03:43:55,621 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-09 03:43:55,622 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 482 transitions.
[2024-03-09 03:43:55,623 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5598141695702671
[2024-03-09 03:43:55,623 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 482 transitions.
[2024-03-09 03:43:55,623 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 482 transitions.
[2024-03-09 03:43:55,623 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 03:43:55,623 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 482 transitions.
[2024-03-09 03:43:55,624 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 states have internal predecessors, (482), 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)
[2024-03-09 03:43:55,625 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 287.0) internal successors, (1148), 4 states have internal predecessors, (1148), 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)
[2024-03-09 03:43:55,625 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 287.0) internal successors, (1148), 4 states have internal predecessors, (1148), 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)
[2024-03-09 03:43:55,625 INFO  L175             Difference]: Start difference. First operand has 51 places, 45 transitions, 134 flow. Second operand 3 states and 482 transitions.
[2024-03-09 03:43:55,626 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 66 transitions, 292 flow
[2024-03-09 03:43:55,627 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 66 transitions, 292 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-09 03:43:55,628 INFO  L231             Difference]: Finished difference. Result has 55 places, 50 transitions, 180 flow
[2024-03-09 03:43:55,628 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=287, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=180, PETRI_PLACES=55, PETRI_TRANSITIONS=50}
[2024-03-09 03:43:55,628 INFO  L288   CegarLoopForPetriNet]: 54 programPoint places, 1 predicate places.
[2024-03-09 03:43:55,629 INFO  L495      AbstractCegarLoop]: Abstraction has has 55 places, 50 transitions, 180 flow
[2024-03-09 03:43:55,629 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 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)
[2024-03-09 03:43:55,629 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-09 03:43:55,629 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-03-09 03:43:55,629 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-03-09 03:43:55,629 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] ===
[2024-03-09 03:43:55,630 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 03:43:55,630 INFO  L85        PathProgramCache]: Analyzing trace with hash -1452586180, now seen corresponding path program 1 times
[2024-03-09 03:43:55,630 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 03:43:55,630 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729245830]
[2024-03-09 03:43:55,630 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 03:43:55,630 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 03:43:55,639 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 03:43:55,652 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 03:43:55,652 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 03:43:55,652 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729245830]
[2024-03-09 03:43:55,653 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729245830] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 03:43:55,653 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 03:43:55,653 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-09 03:43:55,653 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520225022]
[2024-03-09 03:43:55,653 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 03:43:55,653 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-09 03:43:55,653 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 03:43:55,653 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-09 03:43:55,653 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-09 03:43:55,675 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 139 out of 287
[2024-03-09 03:43:55,675 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 50 transitions, 180 flow. Second operand  has 3 states, 3 states have (on average 141.33333333333334) internal successors, (424), 3 states have internal predecessors, (424), 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)
[2024-03-09 03:43:55,675 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 03:43:55,675 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 287
[2024-03-09 03:43:55,675 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 03:44:02,084 INFO  L130       PetriNetUnfolder]: 76546/110242 cut-off events.
[2024-03-09 03:44:02,084 INFO  L131       PetriNetUnfolder]: For 33607/33682 co-relation queries the response was YES.
[2024-03-09 03:44:02,242 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 249261 conditions, 110242 events. 76546/110242 cut-off events. For 33607/33682 co-relation queries the response was YES. Maximal size of possible extension queue 3230. Compared 810114 event pairs, 49086 based on Foata normal form. 12/103298 useless extension candidates. Maximal degree in co-relation 249252. Up to 81570 conditions per place. 
[2024-03-09 03:44:02,556 INFO  L137   encePairwiseOnDemand]: 279/287 looper letters, 61 selfloop transitions, 11 changer transitions 0/82 dead transitions.
[2024-03-09 03:44:02,557 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 82 transitions, 440 flow
[2024-03-09 03:44:02,557 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-09 03:44:02,557 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-09 03:44:02,558 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 483 transitions.
[2024-03-09 03:44:02,559 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5609756097560976
[2024-03-09 03:44:02,559 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 483 transitions.
[2024-03-09 03:44:02,559 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 483 transitions.
[2024-03-09 03:44:02,559 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 03:44:02,559 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 483 transitions.
[2024-03-09 03:44:02,560 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 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)
[2024-03-09 03:44:02,561 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 287.0) internal successors, (1148), 4 states have internal predecessors, (1148), 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)
[2024-03-09 03:44:02,561 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 287.0) internal successors, (1148), 4 states have internal predecessors, (1148), 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)
[2024-03-09 03:44:02,561 INFO  L175             Difference]: Start difference. First operand has 55 places, 50 transitions, 180 flow. Second operand 3 states and 483 transitions.
[2024-03-09 03:44:02,561 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 82 transitions, 440 flow
[2024-03-09 03:44:04,299 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 82 transitions, 420 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-03-09 03:44:04,300 INFO  L231             Difference]: Finished difference. Result has 57 places, 59 transitions, 264 flow
[2024-03-09 03:44:04,300 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=287, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=264, PETRI_PLACES=57, PETRI_TRANSITIONS=59}
[2024-03-09 03:44:04,300 INFO  L288   CegarLoopForPetriNet]: 54 programPoint places, 3 predicate places.
[2024-03-09 03:44:04,300 INFO  L495      AbstractCegarLoop]: Abstraction has has 57 places, 59 transitions, 264 flow
[2024-03-09 03:44:04,300 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 141.33333333333334) internal successors, (424), 3 states have internal predecessors, (424), 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)
[2024-03-09 03:44:04,300 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-09 03:44:04,301 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 03:44:04,301 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-03-09 03:44:04,301 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] ===
[2024-03-09 03:44:04,301 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 03:44:04,301 INFO  L85        PathProgramCache]: Analyzing trace with hash -1550904913, now seen corresponding path program 1 times
[2024-03-09 03:44:04,301 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 03:44:04,301 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299835258]
[2024-03-09 03:44:04,301 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 03:44:04,301 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 03:44:04,311 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 03:44:04,356 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 03:44:04,356 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 03:44:04,356 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299835258]
[2024-03-09 03:44:04,356 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299835258] provided 0 perfect and 1 imperfect interpolant sequences
[2024-03-09 03:44:04,357 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1373820380]
[2024-03-09 03:44:04,357 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 03:44:04,357 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-03-09 03:44:04,357 INFO  L189       MonitoredProcess]: No working directory specified, using /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3
[2024-03-09 03:44:04,358 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)
[2024-03-09 03:44:04,362 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
[2024-03-09 03:44:04,476 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 03:44:04,477 INFO  L263         TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjunts are in the unsatisfiable core
[2024-03-09 03:44:04,478 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2024-03-09 03:44:04,522 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 03:44:04,522 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2024-03-09 03:44:04,544 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 03:44:04,544 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1373820380] provided 0 perfect and 2 imperfect interpolant sequences
[2024-03-09 03:44:04,544 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-03-09 03:44:04,544 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8
[2024-03-09 03:44:04,544 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165889765]
[2024-03-09 03:44:04,544 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-03-09 03:44:04,545 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-03-09 03:44:04,545 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 03:44:04,545 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-03-09 03:44:04,545 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72
[2024-03-09 03:44:04,723 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 138 out of 287
[2024-03-09 03:44:04,724 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 59 transitions, 264 flow. Second operand  has 9 states, 9 states have (on average 139.77777777777777) internal successors, (1258), 9 states have internal predecessors, (1258), 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)
[2024-03-09 03:44:04,724 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 03:44:04,724 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 287
[2024-03-09 03:44:04,724 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 03:44:09,515 INFO  L130       PetriNetUnfolder]: 44231/66100 cut-off events.
[2024-03-09 03:44:09,515 INFO  L131       PetriNetUnfolder]: For 50338/55265 co-relation queries the response was YES.
[2024-03-09 03:44:09,611 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 167093 conditions, 66100 events. 44231/66100 cut-off events. For 50338/55265 co-relation queries the response was YES. Maximal size of possible extension queue 1728. Compared 491813 event pairs, 18863 based on Foata normal form. 3406/66221 useless extension candidates. Maximal degree in co-relation 167083. Up to 39222 conditions per place. 
[2024-03-09 03:44:09,795 INFO  L137   encePairwiseOnDemand]: 280/287 looper letters, 97 selfloop transitions, 7 changer transitions 4/121 dead transitions.
[2024-03-09 03:44:09,796 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 121 transitions, 710 flow
[2024-03-09 03:44:09,796 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-03-09 03:44:09,796 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2024-03-09 03:44:09,798 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1191 transitions.
[2024-03-09 03:44:09,798 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5187282229965157
[2024-03-09 03:44:09,799 INFO  L72            ComplementDD]: Start complementDD. Operand 8 states and 1191 transitions.
[2024-03-09 03:44:09,799 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 8 states and 1191 transitions.
[2024-03-09 03:44:09,799 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 03:44:09,799 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1191 transitions.
[2024-03-09 03:44:09,801 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 9 states, 8 states have (on average 148.875) internal successors, (1191), 8 states have internal predecessors, (1191), 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)
[2024-03-09 03:44:09,803 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 9 states, 9 states have (on average 287.0) internal successors, (2583), 9 states have internal predecessors, (2583), 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)
[2024-03-09 03:44:09,803 INFO  L81            ComplementDD]: Finished complementDD. Result  has 9 states, 9 states have (on average 287.0) internal successors, (2583), 9 states have internal predecessors, (2583), 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)
[2024-03-09 03:44:09,803 INFO  L175             Difference]: Start difference. First operand has 57 places, 59 transitions, 264 flow. Second operand 8 states and 1191 transitions.
[2024-03-09 03:44:09,804 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 121 transitions, 710 flow
[2024-03-09 03:44:09,860 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 121 transitions, 666 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-03-09 03:44:09,861 INFO  L231             Difference]: Finished difference. Result has 66 places, 63 transitions, 287 flow
[2024-03-09 03:44:09,861 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=287, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=287, PETRI_PLACES=66, PETRI_TRANSITIONS=63}
[2024-03-09 03:44:09,862 INFO  L288   CegarLoopForPetriNet]: 54 programPoint places, 12 predicate places.
[2024-03-09 03:44:09,862 INFO  L495      AbstractCegarLoop]: Abstraction has has 66 places, 63 transitions, 287 flow
[2024-03-09 03:44:09,862 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 139.77777777777777) internal successors, (1258), 9 states have internal predecessors, (1258), 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)
[2024-03-09 03:44:09,862 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-09 03:44:09,862 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 03:44:09,871 INFO  L540       MonitoredProcess]: [MP /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-03-09 03:44:10,063 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,3 /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-03-09 03:44:10,064 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] ===
[2024-03-09 03:44:10,064 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 03:44:10,064 INFO  L85        PathProgramCache]: Analyzing trace with hash 97079293, now seen corresponding path program 1 times
[2024-03-09 03:44:10,064 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 03:44:10,064 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993334816]
[2024-03-09 03:44:10,065 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 03:44:10,065 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 03:44:10,084 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 03:44:10,098 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-03-09 03:44:10,099 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 03:44:10,099 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993334816]
[2024-03-09 03:44:10,099 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993334816] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 03:44:10,099 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 03:44:10,099 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-09 03:44:10,099 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467896982]
[2024-03-09 03:44:10,099 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 03:44:10,099 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-09 03:44:10,099 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 03:44:10,099 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-09 03:44:10,099 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-09 03:44:10,126 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 139 out of 287
[2024-03-09 03:44:10,126 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 63 transitions, 287 flow. Second operand  has 3 states, 3 states have (on average 142.0) internal successors, (426), 3 states have internal predecessors, (426), 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)
[2024-03-09 03:44:10,126 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 03:44:10,127 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 287
[2024-03-09 03:44:10,127 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 03:44:16,572 INFO  L130       PetriNetUnfolder]: 67263/98176 cut-off events.
[2024-03-09 03:44:16,572 INFO  L131       PetriNetUnfolder]: For 75840/77382 co-relation queries the response was YES.
[2024-03-09 03:44:16,761 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 261911 conditions, 98176 events. 67263/98176 cut-off events. For 75840/77382 co-relation queries the response was YES. Maximal size of possible extension queue 2288. Compared 717497 event pairs, 40655 based on Foata normal form. 2/93696 useless extension candidates. Maximal degree in co-relation 261897. Up to 73050 conditions per place. 
[2024-03-09 03:44:17,056 INFO  L137   encePairwiseOnDemand]: 279/287 looper letters, 75 selfloop transitions, 18 changer transitions 0/103 dead transitions.
[2024-03-09 03:44:17,057 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 103 transitions, 660 flow
[2024-03-09 03:44:17,058 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-09 03:44:17,058 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-09 03:44:17,058 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 482 transitions.
[2024-03-09 03:44:17,059 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5598141695702671
[2024-03-09 03:44:17,059 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 482 transitions.
[2024-03-09 03:44:17,059 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 482 transitions.
[2024-03-09 03:44:17,059 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 03:44:17,059 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 482 transitions.
[2024-03-09 03:44:17,060 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 states have internal predecessors, (482), 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)
[2024-03-09 03:44:17,061 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 287.0) internal successors, (1148), 4 states have internal predecessors, (1148), 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)
[2024-03-09 03:44:17,061 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 287.0) internal successors, (1148), 4 states have internal predecessors, (1148), 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)
[2024-03-09 03:44:17,061 INFO  L175             Difference]: Start difference. First operand has 66 places, 63 transitions, 287 flow. Second operand 3 states and 482 transitions.
[2024-03-09 03:44:17,061 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 103 transitions, 660 flow
[2024-03-09 03:44:17,170 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 103 transitions, 655 flow, removed 2 selfloop flow, removed 1 redundant places.
[2024-03-09 03:44:17,171 INFO  L231             Difference]: Finished difference. Result has 68 places, 77 transitions, 466 flow
[2024-03-09 03:44:17,171 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=287, PETRI_DIFFERENCE_MINUEND_FLOW=284, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=466, PETRI_PLACES=68, PETRI_TRANSITIONS=77}
[2024-03-09 03:44:17,172 INFO  L288   CegarLoopForPetriNet]: 54 programPoint places, 14 predicate places.
[2024-03-09 03:44:17,172 INFO  L495      AbstractCegarLoop]: Abstraction has has 68 places, 77 transitions, 466 flow
[2024-03-09 03:44:17,172 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 142.0) internal successors, (426), 3 states have internal predecessors, (426), 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)
[2024-03-09 03:44:17,172 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-09 03:44:17,172 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 03:44:17,172 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-03-09 03:44:17,172 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] ===
[2024-03-09 03:44:17,172 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 03:44:17,172 INFO  L85        PathProgramCache]: Analyzing trace with hash 1568379570, now seen corresponding path program 1 times
[2024-03-09 03:44:17,173 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 03:44:17,173 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450305806]
[2024-03-09 03:44:17,173 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 03:44:17,173 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 03:44:17,189 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 03:44:17,232 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 03:44:17,233 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 03:44:17,233 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450305806]
[2024-03-09 03:44:17,233 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450305806] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 03:44:17,233 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 03:44:17,233 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-03-09 03:44:17,233 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854607885]
[2024-03-09 03:44:17,233 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 03:44:17,233 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-09 03:44:17,233 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 03:44:17,233 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-09 03:44:17,234 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-09 03:44:17,255 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 139 out of 287
[2024-03-09 03:44:17,255 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 77 transitions, 466 flow. Second operand  has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 states have internal predecessors, (428), 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)
[2024-03-09 03:44:17,255 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 03:44:17,255 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 287
[2024-03-09 03:44:17,255 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 03:44:18,030 INFO  L130       PetriNetUnfolder]: 3681/8541 cut-off events.
[2024-03-09 03:44:18,030 INFO  L131       PetriNetUnfolder]: For 11520/11558 co-relation queries the response was YES.
[2024-03-09 03:44:18,043 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 25260 conditions, 8541 events. 3681/8541 cut-off events. For 11520/11558 co-relation queries the response was YES. Maximal size of possible extension queue 368. Compared 76218 event pairs, 775 based on Foata normal form. 2706/10943 useless extension candidates. Maximal degree in co-relation 25245. Up to 5688 conditions per place. 
[2024-03-09 03:44:18,056 INFO  L137   encePairwiseOnDemand]: 279/287 looper letters, 54 selfloop transitions, 10 changer transitions 0/77 dead transitions.
[2024-03-09 03:44:18,056 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 77 transitions, 529 flow
[2024-03-09 03:44:18,057 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-09 03:44:18,057 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-09 03:44:18,058 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 469 transitions.
[2024-03-09 03:44:18,058 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5447154471544715
[2024-03-09 03:44:18,058 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 469 transitions.
[2024-03-09 03:44:18,058 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 469 transitions.
[2024-03-09 03:44:18,058 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 03:44:18,058 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 469 transitions.
[2024-03-09 03:44:18,059 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 156.33333333333334) internal successors, (469), 3 states have internal predecessors, (469), 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)
[2024-03-09 03:44:18,060 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 287.0) internal successors, (1148), 4 states have internal predecessors, (1148), 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)
[2024-03-09 03:44:18,060 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 287.0) internal successors, (1148), 4 states have internal predecessors, (1148), 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)
[2024-03-09 03:44:18,060 INFO  L175             Difference]: Start difference. First operand has 68 places, 77 transitions, 466 flow. Second operand 3 states and 469 transitions.
[2024-03-09 03:44:18,060 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 77 transitions, 529 flow
[2024-03-09 03:44:18,081 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 77 transitions, 515 flow, removed 2 selfloop flow, removed 2 redundant places.
[2024-03-09 03:44:18,082 INFO  L231             Difference]: Finished difference. Result has 68 places, 60 transitions, 308 flow
[2024-03-09 03:44:18,082 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=287, PETRI_DIFFERENCE_MINUEND_FLOW=288, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=308, PETRI_PLACES=68, PETRI_TRANSITIONS=60}
[2024-03-09 03:44:18,082 INFO  L288   CegarLoopForPetriNet]: 54 programPoint places, 14 predicate places.
[2024-03-09 03:44:18,083 INFO  L495      AbstractCegarLoop]: Abstraction has has 68 places, 60 transitions, 308 flow
[2024-03-09 03:44:18,083 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 states have internal predecessors, (428), 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)
[2024-03-09 03:44:18,083 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-09 03:44:18,083 INFO  L209   CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 03:44:18,083 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2024-03-09 03:44:18,083 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] ===
[2024-03-09 03:44:18,083 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 03:44:18,083 INFO  L85        PathProgramCache]: Analyzing trace with hash 1705767946, now seen corresponding path program 1 times
[2024-03-09 03:44:18,083 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 03:44:18,083 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149873867]
[2024-03-09 03:44:18,083 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 03:44:18,084 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 03:44:18,102 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 03:44:18,123 INFO  L134       CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2024-03-09 03:44:18,123 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 03:44:18,123 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149873867]
[2024-03-09 03:44:18,123 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149873867] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 03:44:18,123 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 03:44:18,123 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-09 03:44:18,124 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227611572]
[2024-03-09 03:44:18,124 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 03:44:18,124 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-09 03:44:18,124 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 03:44:18,124 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-09 03:44:18,124 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-09 03:44:18,156 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 139 out of 287
[2024-03-09 03:44:18,157 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 60 transitions, 308 flow. Second operand  has 3 states, 3 states have (on average 142.0) internal successors, (426), 3 states have internal predecessors, (426), 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)
[2024-03-09 03:44:18,157 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 03:44:18,157 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 287
[2024-03-09 03:44:18,157 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 03:44:18,889 INFO  L130       PetriNetUnfolder]: 3850/8875 cut-off events.
[2024-03-09 03:44:18,889 INFO  L131       PetriNetUnfolder]: For 11381/11423 co-relation queries the response was YES.
[2024-03-09 03:44:18,905 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 27579 conditions, 8875 events. 3850/8875 cut-off events. For 11381/11423 co-relation queries the response was YES. Maximal size of possible extension queue 374. Compared 77358 event pairs, 3011 based on Foata normal form. 0/8662 useless extension candidates. Maximal degree in co-relation 27564. Up to 7356 conditions per place. 
[2024-03-09 03:44:18,921 INFO  L137   encePairwiseOnDemand]: 283/287 looper letters, 60 selfloop transitions, 4 changer transitions 0/74 dead transitions.
[2024-03-09 03:44:18,921 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 74 transitions, 510 flow
[2024-03-09 03:44:18,922 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-09 03:44:18,922 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-09 03:44:18,923 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 466 transitions.
[2024-03-09 03:44:18,923 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5412311265969802
[2024-03-09 03:44:18,923 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 466 transitions.
[2024-03-09 03:44:18,923 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 466 transitions.
[2024-03-09 03:44:18,923 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 03:44:18,923 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 466 transitions.
[2024-03-09 03:44:18,924 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 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)
[2024-03-09 03:44:18,925 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 287.0) internal successors, (1148), 4 states have internal predecessors, (1148), 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)
[2024-03-09 03:44:18,925 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 287.0) internal successors, (1148), 4 states have internal predecessors, (1148), 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)
[2024-03-09 03:44:18,925 INFO  L175             Difference]: Start difference. First operand has 68 places, 60 transitions, 308 flow. Second operand 3 states and 466 transitions.
[2024-03-09 03:44:18,925 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 74 transitions, 510 flow
[2024-03-09 03:44:18,935 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 74 transitions, 500 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-03-09 03:44:18,935 INFO  L231             Difference]: Finished difference. Result has 70 places, 62 transitions, 328 flow
[2024-03-09 03:44:18,936 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=287, PETRI_DIFFERENCE_MINUEND_FLOW=298, PETRI_DIFFERENCE_MINUEND_PLACES=67, 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=328, PETRI_PLACES=70, PETRI_TRANSITIONS=62}
[2024-03-09 03:44:18,936 INFO  L288   CegarLoopForPetriNet]: 54 programPoint places, 16 predicate places.
[2024-03-09 03:44:18,936 INFO  L495      AbstractCegarLoop]: Abstraction has has 70 places, 62 transitions, 328 flow
[2024-03-09 03:44:18,936 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 142.0) internal successors, (426), 3 states have internal predecessors, (426), 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)
[2024-03-09 03:44:18,936 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-09 03:44:18,936 INFO  L209   CegarLoopForPetriNet]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1]
[2024-03-09 03:44:18,936 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2024-03-09 03:44:18,936 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] ===
[2024-03-09 03:44:18,937 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 03:44:18,937 INFO  L85        PathProgramCache]: Analyzing trace with hash -1703835904, now seen corresponding path program 1 times
[2024-03-09 03:44:18,937 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 03:44:18,937 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979043181]
[2024-03-09 03:44:18,937 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 03:44:18,937 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 03:44:18,977 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-09 03:44:18,977 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-03-09 03:44:18,994 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-09 03:44:19,001 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-03-09 03:44:19,001 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-03-09 03:44:19,001 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 11 remaining)
[2024-03-09 03:44:19,001 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (9 of 11 remaining)
[2024-03-09 03:44:19,001 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 11 remaining)
[2024-03-09 03:44:19,001 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 11 remaining)
[2024-03-09 03:44:19,001 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 11 remaining)
[2024-03-09 03:44:19,001 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 11 remaining)
[2024-03-09 03:44:19,001 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (4 of 11 remaining)
[2024-03-09 03:44:19,001 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (3 of 11 remaining)
[2024-03-09 03:44:19,002 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 11 remaining)
[2024-03-09 03:44:19,002 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 11 remaining)
[2024-03-09 03:44:19,002 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 11 remaining)
[2024-03-09 03:44:19,002 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2024-03-09 03:44:19,002 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 03:44:19,002 WARN  L233   ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-03-09 03:44:19,002 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances.
[2024-03-09 03:44:19,017 INFO  L144    ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions.
[2024-03-09 03:44:19,018 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 178 places, 175 transitions, 410 flow
[2024-03-09 03:44:19,161 INFO  L130       PetriNetUnfolder]: 93/1560 cut-off events.
[2024-03-09 03:44:19,161 INFO  L131       PetriNetUnfolder]: For 110/110 co-relation queries the response was YES.
[2024-03-09 03:44:19,166 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 1671 conditions, 1560 events. 93/1560 cut-off events. For 110/110 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 7327 event pairs, 23 based on Foata normal form. 0/1345 useless extension candidates. Maximal degree in co-relation 894. Up to 80 conditions per place. 
[2024-03-09 03:44:19,166 INFO  L82        GeneralOperation]: Start removeDead. Operand has 178 places, 175 transitions, 410 flow
[2024-03-09 03:44:19,169 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 178 places, 175 transitions, 410 flow
[2024-03-09 03:44:19,169 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2024-03-09 03:44:19,169 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 178 places, 175 transitions, 410 flow
[2024-03-09 03:44:19,170 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 178 places, 175 transitions, 410 flow
[2024-03-09 03:44:19,170 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 178 places, 175 transitions, 410 flow
[2024-03-09 03:44:19,313 INFO  L130       PetriNetUnfolder]: 93/1560 cut-off events.
[2024-03-09 03:44:19,314 INFO  L131       PetriNetUnfolder]: For 110/110 co-relation queries the response was YES.
[2024-03-09 03:44:19,318 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 1671 conditions, 1560 events. 93/1560 cut-off events. For 110/110 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 7327 event pairs, 23 based on Foata normal form. 0/1345 useless extension candidates. Maximal degree in co-relation 894. Up to 80 conditions per place. 
[2024-03-09 03:44:19,334 INFO  L119        LiptonReduction]: Number of co-enabled transitions 13720
[2024-03-09 03:44:24,619 INFO  L134        LiptonReduction]: Checked pairs total: 31770
[2024-03-09 03:44:24,619 INFO  L136        LiptonReduction]: Total number of compositions: 134
[2024-03-09 03:44:24,620 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-09 03:44:24,621 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;@47d71472, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2024-03-09 03:44:24,621 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 12 error locations.
[2024-03-09 03:44:24,621 INFO  L130       PetriNetUnfolder]: 0/2 cut-off events.
[2024-03-09 03:44:24,621 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2024-03-09 03:44:24,621 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-09 03:44:24,621 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1]
[2024-03-09 03:44:24,622 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 9 more)] ===
[2024-03-09 03:44:24,622 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 03:44:24,622 INFO  L85        PathProgramCache]: Analyzing trace with hash 49915, now seen corresponding path program 1 times
[2024-03-09 03:44:24,622 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 03:44:24,622 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265696192]
[2024-03-09 03:44:24,622 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 03:44:24,622 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 03:44:24,626 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 03:44:24,629 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 03:44:24,629 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 03:44:24,629 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265696192]
[2024-03-09 03:44:24,629 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265696192] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 03:44:24,629 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 03:44:24,629 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-03-09 03:44:24,629 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71289023]
[2024-03-09 03:44:24,629 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 03:44:24,629 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-03-09 03:44:24,629 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 03:44:24,630 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-03-09 03:44:24,630 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-03-09 03:44:24,630 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 162 out of 309
[2024-03-09 03:44:24,630 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 57 transitions, 174 flow. Second operand  has 2 states, 2 states have (on average 163.0) internal successors, (326), 2 states have internal predecessors, (326), 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)
[2024-03-09 03:44:24,630 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 03:44:24,630 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 309
[2024-03-09 03:44:24,630 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 03:44:47,260 INFO  L130       PetriNetUnfolder]: 269807/380405 cut-off events.
[2024-03-09 03:44:47,260 INFO  L131       PetriNetUnfolder]: For 44130/44130 co-relation queries the response was YES.
[2024-03-09 03:44:47,812 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 748227 conditions, 380405 events. 269807/380405 cut-off events. For 44130/44130 co-relation queries the response was YES. Maximal size of possible extension queue 8911. Compared 2993424 event pairs, 267349 based on Foata normal form. 0/355063 useless extension candidates. Maximal degree in co-relation 109485. Up to 346364 conditions per place. 
[2024-03-09 03:44:49,160 INFO  L137   encePairwiseOnDemand]: 305/309 looper letters, 41 selfloop transitions, 0 changer transitions 0/53 dead transitions.
[2024-03-09 03:44:49,160 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 53 transitions, 248 flow
[2024-03-09 03:44:49,161 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-03-09 03:44:49,161 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2024-03-09 03:44:49,162 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 369 transitions.
[2024-03-09 03:44:49,162 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5970873786407767
[2024-03-09 03:44:49,162 INFO  L72            ComplementDD]: Start complementDD. Operand 2 states and 369 transitions.
[2024-03-09 03:44:49,162 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 2 states and 369 transitions.
[2024-03-09 03:44:49,162 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 03:44:49,162 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 369 transitions.
[2024-03-09 03:44:49,163 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 3 states, 2 states have (on average 184.5) internal successors, (369), 2 states have internal predecessors, (369), 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)
[2024-03-09 03:44:49,164 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 3 states, 3 states have (on average 309.0) internal successors, (927), 3 states have internal predecessors, (927), 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)
[2024-03-09 03:44:49,164 INFO  L81            ComplementDD]: Finished complementDD. Result  has 3 states, 3 states have (on average 309.0) internal successors, (927), 3 states have internal predecessors, (927), 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)
[2024-03-09 03:44:49,164 INFO  L175             Difference]: Start difference. First operand has 63 places, 57 transitions, 174 flow. Second operand 2 states and 369 transitions.
[2024-03-09 03:44:49,164 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 53 transitions, 248 flow
[2024-03-09 03:44:49,167 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 53 transitions, 248 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-09 03:44:49,167 INFO  L231             Difference]: Finished difference. Result has 60 places, 53 transitions, 166 flow
[2024-03-09 03:44:49,168 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=166, PETRI_PLACES=60, PETRI_TRANSITIONS=53}
[2024-03-09 03:44:49,168 INFO  L288   CegarLoopForPetriNet]: 63 programPoint places, -3 predicate places.
[2024-03-09 03:44:49,168 INFO  L495      AbstractCegarLoop]: Abstraction has has 60 places, 53 transitions, 166 flow
[2024-03-09 03:44:49,168 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 163.0) internal successors, (326), 2 states have internal predecessors, (326), 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)
[2024-03-09 03:44:49,168 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-09 03:44:49,168 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2024-03-09 03:44:49,168 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2024-03-09 03:44:49,168 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 9 more)] ===
[2024-03-09 03:44:49,169 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 03:44:49,169 INFO  L85        PathProgramCache]: Analyzing trace with hash 47960402, now seen corresponding path program 1 times
[2024-03-09 03:44:49,169 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 03:44:49,169 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872042837]
[2024-03-09 03:44:49,169 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 03:44:49,169 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 03:44:49,173 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 03:44:49,181 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 03:44:49,181 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 03:44:49,181 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872042837]
[2024-03-09 03:44:49,181 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872042837] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 03:44:49,181 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 03:44:49,181 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-09 03:44:49,182 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219433436]
[2024-03-09 03:44:49,182 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 03:44:49,182 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-09 03:44:49,182 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 03:44:49,182 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-09 03:44:49,182 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-09 03:44:49,204 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 154 out of 309
[2024-03-09 03:44:49,205 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 53 transitions, 166 flow. Second operand  has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 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)
[2024-03-09 03:44:49,205 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 03:44:49,205 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 309
[2024-03-09 03:44:49,205 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
