./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/09-regions_17-arrayloop_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/09-regions_17-arrayloop_nr.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --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 b29c7049a333b10d890b8afae901738020ed1f084c2a7d471b316f0abdba3430 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:37:09,494 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:37:09,569 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:37:09,577 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:37:09,577 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:37:09,610 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:37:09,612 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:37:09,613 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:37:09,614 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:37:09,616 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:37:09,617 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:37:09,617 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:37:09,617 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:37:09,621 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:37:09,622 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:37:09,622 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:37:09,622 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:37:09,622 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:37:09,623 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:37:09,623 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:37:09,623 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:37:09,624 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:37:09,627 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:37:09,628 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:37:09,628 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:37:09,628 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:37:09,629 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:37:09,629 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:37:09,629 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:37:09,629 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:37:09,630 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:37:09,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:37:09,630 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:37:09,630 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:37:09,631 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:37:09,631 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:37:09,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:37:09,631 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:37:09,632 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:37:09,632 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:37:09,632 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:37:09,633 INFO L153 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:/storage/repos/ultimate/releaseScripts/default/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b29c7049a333b10d890b8afae901738020ed1f084c2a7d471b316f0abdba3430 [2024-11-16 23:37:09,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:37:09,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:37:09,915 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:37:09,916 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:37:09,917 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:37:09,918 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/09-regions_17-arrayloop_nr.i [2024-11-16 23:37:11,459 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:37:11,739 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:37:11,741 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_17-arrayloop_nr.i [2024-11-16 23:37:11,766 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47fcb3b59/235c2e047e1b49ea89e4c29794472170/FLAG0b4b4c152 [2024-11-16 23:37:11,783 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47fcb3b59/235c2e047e1b49ea89e4c29794472170 [2024-11-16 23:37:11,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:37:11,789 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:37:11,791 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:37:11,791 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:37:11,796 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:37:11,799 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:37:11" (1/1) ... [2024-11-16 23:37:11,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e449543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:11, skipping insertion in model container [2024-11-16 23:37:11,800 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:37:11" (1/1) ... [2024-11-16 23:37:11,858 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:37:12,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:37:12,476 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:37:12,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:37:12,727 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:37:12,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:12 WrapperNode [2024-11-16 23:37:12,728 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:37:12,729 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:37:12,729 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:37:12,729 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:37:12,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:12" (1/1) ... [2024-11-16 23:37:12,771 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:12" (1/1) ... [2024-11-16 23:37:12,829 INFO L138 Inliner]: procedures = 370, calls = 86, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 289 [2024-11-16 23:37:12,830 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:37:12,831 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:37:12,831 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:37:12,831 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:37:12,840 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:12" (1/1) ... [2024-11-16 23:37:12,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:12" (1/1) ... [2024-11-16 23:37:12,853 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:12" (1/1) ... [2024-11-16 23:37:12,857 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:12" (1/1) ... [2024-11-16 23:37:12,890 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:12" (1/1) ... [2024-11-16 23:37:12,894 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:12" (1/1) ... [2024-11-16 23:37:12,897 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:12" (1/1) ... [2024-11-16 23:37:12,903 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:12" (1/1) ... [2024-11-16 23:37:12,908 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:37:12,910 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:37:12,910 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:37:12,911 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:37:12,912 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:12" (1/1) ... [2024-11-16 23:37:12,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:37:12,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:37:12,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 23:37:12,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 23:37:13,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-16 23:37:13,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-16 23:37:13,007 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-16 23:37:13,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-16 23:37:13,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-16 23:37:13,007 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-16 23:37:13,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 23:37:13,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:37:13,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-16 23:37:13,009 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-16 23:37:13,009 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-16 23:37:13,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:37:13,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:37:13,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:37:13,011 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 23:37:13,158 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:37:13,160 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:37:13,707 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:37:13,709 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:37:13,753 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:37:13,753 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:37:13,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:37:13 BoogieIcfgContainer [2024-11-16 23:37:13,754 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:37:13,756 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:37:13,756 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:37:13,761 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:37:13,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:37:11" (1/3) ... [2024-11-16 23:37:13,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21ef6a5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:37:13, skipping insertion in model container [2024-11-16 23:37:13,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:12" (2/3) ... [2024-11-16 23:37:13,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21ef6a5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:37:13, skipping insertion in model container [2024-11-16 23:37:13,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:37:13" (3/3) ... [2024-11-16 23:37:13,764 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_17-arrayloop_nr.i [2024-11-16 23:37:13,782 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:37:13,783 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-11-16 23:37:13,784 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:37:13,882 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-16 23:37:13,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 325 places, 327 transitions, 658 flow [2024-11-16 23:37:14,052 INFO L124 PetriNetUnfolderBase]: 6/326 cut-off events. [2024-11-16 23:37:14,052 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:37:14,064 INFO L83 FinitePrefix]: Finished finitePrefix Result has 330 conditions, 326 events. 6/326 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 441 event pairs, 0 based on Foata normal form. 0/302 useless extension candidates. Maximal degree in co-relation 203. Up to 2 conditions per place. [2024-11-16 23:37:14,065 INFO L82 GeneralOperation]: Start removeDead. Operand has 325 places, 327 transitions, 658 flow [2024-11-16 23:37:14,073 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 324 places, 326 transitions, 655 flow [2024-11-16 23:37:14,089 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:37:14,097 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@509aa98, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:37:14,098 INFO L334 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2024-11-16 23:37:14,125 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:37:14,126 INFO L124 PetriNetUnfolderBase]: 3/127 cut-off events. [2024-11-16 23:37:14,126 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:37:14,127 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:37:14,128 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:37:14,129 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-16 23:37:14,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:37:14,134 INFO L85 PathProgramCache]: Analyzing trace with hash 439078284, now seen corresponding path program 1 times [2024-11-16 23:37:14,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:37:14,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46316193] [2024-11-16 23:37:14,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:37:14,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:37:14,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:37:15,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:37:15,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:37:15,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46316193] [2024-11-16 23:37:15,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46316193] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:37:15,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:37:15,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:37:15,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160804263] [2024-11-16 23:37:15,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:37:15,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:37:15,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:37:15,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:37:15,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:37:15,911 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 327 [2024-11-16 23:37:15,919 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 324 places, 326 transitions, 655 flow. Second operand has 6 states, 6 states have (on average 242.33333333333334) internal successors, (1454), 6 states have internal predecessors, (1454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:37:15,920 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:37:15,920 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 327 [2024-11-16 23:37:15,921 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:37:17,147 INFO L124 PetriNetUnfolderBase]: 1265/4973 cut-off events. [2024-11-16 23:37:17,147 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-16 23:37:17,163 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7517 conditions, 4973 events. 1265/4973 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 36890 event pairs, 912 based on Foata normal form. 137/4699 useless extension candidates. Maximal degree in co-relation 7376. Up to 2359 conditions per place. [2024-11-16 23:37:17,185 INFO L140 encePairwiseOnDemand]: 287/327 looper letters, 84 selfloop transitions, 107 changer transitions 0/431 dead transitions. [2024-11-16 23:37:17,185 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 328 places, 431 transitions, 1247 flow [2024-11-16 23:37:17,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:37:17,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:37:17,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1646 transitions. [2024-11-16 23:37:17,207 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8389398572884812 [2024-11-16 23:37:17,211 INFO L175 Difference]: Start difference. First operand has 324 places, 326 transitions, 655 flow. Second operand 6 states and 1646 transitions. [2024-11-16 23:37:17,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 328 places, 431 transitions, 1247 flow [2024-11-16 23:37:17,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 327 places, 431 transitions, 1246 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:37:17,230 INFO L231 Difference]: Finished difference. Result has 332 places, 423 transitions, 1336 flow [2024-11-16 23:37:17,232 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=646, PETRI_DIFFERENCE_MINUEND_PLACES=322, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=322, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1336, PETRI_PLACES=332, PETRI_TRANSITIONS=423} [2024-11-16 23:37:17,236 INFO L277 CegarLoopForPetriNet]: 324 programPoint places, 8 predicate places. [2024-11-16 23:37:17,236 INFO L471 AbstractCegarLoop]: Abstraction has has 332 places, 423 transitions, 1336 flow [2024-11-16 23:37:17,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 242.33333333333334) internal successors, (1454), 6 states have internal predecessors, (1454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:37:17,238 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:37:17,238 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:37:17,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:37:17,239 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-16 23:37:17,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:37:17,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1950492721, now seen corresponding path program 1 times [2024-11-16 23:37:17,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:37:17,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617076692] [2024-11-16 23:37:17,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:37:17,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:37:17,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:37:17,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:37:17,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:37:17,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617076692] [2024-11-16 23:37:17,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617076692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:37:17,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:37:17,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:37:17,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079750941] [2024-11-16 23:37:17,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:37:17,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:37:17,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:37:17,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:37:17,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:37:18,572 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 327 [2024-11-16 23:37:18,574 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 423 transitions, 1336 flow. Second operand has 6 states, 6 states have (on average 242.33333333333334) internal successors, (1454), 6 states have internal predecessors, (1454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:37:18,575 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:37:18,575 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 327 [2024-11-16 23:37:18,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:37:19,756 INFO L124 PetriNetUnfolderBase]: 1531/5863 cut-off events. [2024-11-16 23:37:19,757 INFO L125 PetriNetUnfolderBase]: For 1217/1220 co-relation queries the response was YES. [2024-11-16 23:37:19,773 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10655 conditions, 5863 events. 1531/5863 cut-off events. For 1217/1220 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 45014 event pairs, 936 based on Foata normal form. 0/5419 useless extension candidates. Maximal degree in co-relation 10501. Up to 2637 conditions per place. [2024-11-16 23:37:19,798 INFO L140 encePairwiseOnDemand]: 290/327 looper letters, 180 selfloop transitions, 107 changer transitions 0/531 dead transitions. [2024-11-16 23:37:19,798 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 336 places, 531 transitions, 2318 flow [2024-11-16 23:37:19,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:37:19,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:37:19,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1639 transitions. [2024-11-16 23:37:19,802 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8353720693170235 [2024-11-16 23:37:19,802 INFO L175 Difference]: Start difference. First operand has 332 places, 423 transitions, 1336 flow. Second operand 6 states and 1639 transitions. [2024-11-16 23:37:19,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 336 places, 531 transitions, 2318 flow [2024-11-16 23:37:19,812 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 336 places, 531 transitions, 2318 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:37:19,820 INFO L231 Difference]: Finished difference. Result has 341 places, 523 transitions, 2216 flow [2024-11-16 23:37:19,821 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=1334, PETRI_DIFFERENCE_MINUEND_PLACES=331, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=422, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=387, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2216, PETRI_PLACES=341, PETRI_TRANSITIONS=523} [2024-11-16 23:37:19,822 INFO L277 CegarLoopForPetriNet]: 324 programPoint places, 17 predicate places. [2024-11-16 23:37:19,822 INFO L471 AbstractCegarLoop]: Abstraction has has 341 places, 523 transitions, 2216 flow [2024-11-16 23:37:19,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 242.33333333333334) internal successors, (1454), 6 states have internal predecessors, (1454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:37:19,824 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:37:19,824 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:37:19,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:37:19,824 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-16 23:37:19,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:37:19,825 INFO L85 PathProgramCache]: Analyzing trace with hash -770246166, now seen corresponding path program 1 times [2024-11-16 23:37:19,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:37:19,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181817038] [2024-11-16 23:37:19,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:37:19,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:37:19,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:37:19,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:37:19,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:37:19,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181817038] [2024-11-16 23:37:19,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181817038] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:37:19,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:37:19,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 23:37:19,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591505176] [2024-11-16 23:37:19,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:37:19,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:37:19,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:37:19,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:37:19,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:37:19,961 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 327 [2024-11-16 23:37:19,963 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 341 places, 523 transitions, 2216 flow. Second operand has 3 states, 3 states have (on average 312.0) internal successors, (936), 3 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:37:19,963 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:37:19,963 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 327 [2024-11-16 23:37:19,963 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:37:20,788 INFO L124 PetriNetUnfolderBase]: 1081/4455 cut-off events. [2024-11-16 23:37:20,788 INFO L125 PetriNetUnfolderBase]: For 1100/1106 co-relation queries the response was YES. [2024-11-16 23:37:20,809 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8865 conditions, 4455 events. 1081/4455 cut-off events. For 1100/1106 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 28827 event pairs, 108 based on Foata normal form. 4/4213 useless extension candidates. Maximal degree in co-relation 8642. Up to 1137 conditions per place. [2024-11-16 23:37:20,828 INFO L140 encePairwiseOnDemand]: 321/327 looper letters, 16 selfloop transitions, 4 changer transitions 0/529 dead transitions. [2024-11-16 23:37:20,829 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 529 transitions, 2268 flow [2024-11-16 23:37:20,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:37:20,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:37:20,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 952 transitions. [2024-11-16 23:37:20,832 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9704383282364933 [2024-11-16 23:37:20,833 INFO L175 Difference]: Start difference. First operand has 341 places, 523 transitions, 2216 flow. Second operand 3 states and 952 transitions. [2024-11-16 23:37:20,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 529 transitions, 2268 flow [2024-11-16 23:37:20,852 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 343 places, 529 transitions, 2076 flow, removed 96 selfloop flow, removed 0 redundant places. [2024-11-16 23:37:20,862 INFO L231 Difference]: Finished difference. Result has 344 places, 525 transitions, 2048 flow [2024-11-16 23:37:20,863 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=2024, PETRI_DIFFERENCE_MINUEND_PLACES=341, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=523, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=519, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2048, PETRI_PLACES=344, PETRI_TRANSITIONS=525} [2024-11-16 23:37:20,863 INFO L277 CegarLoopForPetriNet]: 324 programPoint places, 20 predicate places. [2024-11-16 23:37:20,864 INFO L471 AbstractCegarLoop]: Abstraction has has 344 places, 525 transitions, 2048 flow [2024-11-16 23:37:20,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.0) internal successors, (936), 3 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:37:20,864 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:37:20,865 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:37:20,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:37:20,865 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-16 23:37:20,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:37:20,869 INFO L85 PathProgramCache]: Analyzing trace with hash -2094762968, now seen corresponding path program 1 times [2024-11-16 23:37:20,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:37:20,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652003504] [2024-11-16 23:37:20,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:37:20,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:37:20,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:37:21,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:37:21,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:37:21,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652003504] [2024-11-16 23:37:21,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652003504] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:37:21,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:37:21,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:37:21,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332702835] [2024-11-16 23:37:21,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:37:21,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:37:21,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:37:21,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:37:21,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:37:22,060 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 327 [2024-11-16 23:37:22,062 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 525 transitions, 2048 flow. Second operand has 6 states, 6 states have (on average 236.0) internal successors, (1416), 6 states have internal predecessors, (1416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:37:22,063 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:37:22,063 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 327 [2024-11-16 23:37:22,063 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:37:24,629 INFO L124 PetriNetUnfolderBase]: 2970/10761 cut-off events. [2024-11-16 23:37:24,629 INFO L125 PetriNetUnfolderBase]: For 5996/6095 co-relation queries the response was YES. [2024-11-16 23:37:24,666 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23817 conditions, 10761 events. 2970/10761 cut-off events. For 5996/6095 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 85634 event pairs, 1872 based on Foata normal form. 0/10218 useless extension candidates. Maximal degree in co-relation 23559. Up to 5591 conditions per place. [2024-11-16 23:37:24,715 INFO L140 encePairwiseOnDemand]: 321/327 looper letters, 285 selfloop transitions, 5 changer transitions 0/524 dead transitions. [2024-11-16 23:37:24,715 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 524 transitions, 2626 flow [2024-11-16 23:37:24,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:37:24,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:37:24,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1489 transitions. [2024-11-16 23:37:24,720 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7589194699286442 [2024-11-16 23:37:24,723 INFO L175 Difference]: Start difference. First operand has 344 places, 525 transitions, 2048 flow. Second operand 6 states and 1489 transitions. [2024-11-16 23:37:24,723 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 348 places, 524 transitions, 2626 flow [2024-11-16 23:37:24,742 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 347 places, 524 transitions, 2622 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:37:24,750 INFO L231 Difference]: Finished difference. Result has 347 places, 524 transitions, 2052 flow [2024-11-16 23:37:24,752 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=2042, PETRI_DIFFERENCE_MINUEND_PLACES=342, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=524, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=519, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2052, PETRI_PLACES=347, PETRI_TRANSITIONS=524} [2024-11-16 23:37:24,754 INFO L277 CegarLoopForPetriNet]: 324 programPoint places, 23 predicate places. [2024-11-16 23:37:24,754 INFO L471 AbstractCegarLoop]: Abstraction has has 347 places, 524 transitions, 2052 flow [2024-11-16 23:37:24,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 236.0) internal successors, (1416), 6 states have internal predecessors, (1416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:37:24,756 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:37:24,757 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:37:24,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 23:37:24,757 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-16 23:37:24,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:37:24,759 INFO L85 PathProgramCache]: Analyzing trace with hash 430903765, now seen corresponding path program 1 times [2024-11-16 23:37:24,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:37:24,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756663960] [2024-11-16 23:37:24,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:37:24,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:37:24,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:37:24,955 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:37:24,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:37:24,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756663960] [2024-11-16 23:37:24,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756663960] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:37:24,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [543808798] [2024-11-16 23:37:24,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:37:24,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:37:24,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:37:24,959 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 23:37:24,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 23:37:25,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:37:25,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-16 23:37:25,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:37:25,328 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:37:25,329 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 23:37:25,434 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:37:25,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [543808798] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 23:37:25,435 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 23:37:25,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-16 23:37:25,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515923501] [2024-11-16 23:37:25,435 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 23:37:25,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 23:37:25,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:37:25,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 23:37:25,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-16 23:37:25,692 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 327 [2024-11-16 23:37:25,696 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 347 places, 524 transitions, 2052 flow. Second operand has 10 states, 10 states have (on average 308.0) internal successors, (3080), 10 states have internal predecessors, (3080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:37:25,696 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:37:25,696 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 327 [2024-11-16 23:37:25,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:37:26,648 INFO L124 PetriNetUnfolderBase]: 1095/4613 cut-off events. [2024-11-16 23:37:26,648 INFO L125 PetriNetUnfolderBase]: For 686/692 co-relation queries the response was YES. [2024-11-16 23:37:26,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8916 conditions, 4613 events. 1095/4613 cut-off events. For 686/692 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 29508 event pairs, 106 based on Foata normal form. 2/4358 useless extension candidates. Maximal degree in co-relation 8617. Up to 922 conditions per place. [2024-11-16 23:37:26,685 INFO L140 encePairwiseOnDemand]: 318/327 looper letters, 22 selfloop transitions, 13 changer transitions 0/539 dead transitions. [2024-11-16 23:37:26,685 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 539 transitions, 2154 flow [2024-11-16 23:37:26,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 23:37:26,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-16 23:37:26,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2791 transitions. [2024-11-16 23:37:26,691 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9483520217465171 [2024-11-16 23:37:26,691 INFO L175 Difference]: Start difference. First operand has 347 places, 524 transitions, 2052 flow. Second operand 9 states and 2791 transitions. [2024-11-16 23:37:26,691 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 539 transitions, 2154 flow [2024-11-16 23:37:26,702 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 350 places, 539 transitions, 2144 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:37:26,708 INFO L231 Difference]: Finished difference. Result has 353 places, 531 transitions, 2110 flow [2024-11-16 23:37:26,709 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=2042, PETRI_DIFFERENCE_MINUEND_PLACES=342, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=524, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=514, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2110, PETRI_PLACES=353, PETRI_TRANSITIONS=531} [2024-11-16 23:37:26,710 INFO L277 CegarLoopForPetriNet]: 324 programPoint places, 29 predicate places. [2024-11-16 23:37:26,710 INFO L471 AbstractCegarLoop]: Abstraction has has 353 places, 531 transitions, 2110 flow [2024-11-16 23:37:26,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 308.0) internal successors, (3080), 10 states have internal predecessors, (3080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:37:26,712 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:37:26,713 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:37:26,731 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-16 23:37:26,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:37:26,917 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-16 23:37:26,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:37:26,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1765658517, now seen corresponding path program 2 times [2024-11-16 23:37:26,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:37:26,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832579690] [2024-11-16 23:37:26,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:37:26,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:37:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:37:27,335 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:37:27,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:37:27,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832579690] [2024-11-16 23:37:27,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832579690] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:37:27,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [421983847] [2024-11-16 23:37:27,337 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-16 23:37:27,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:37:27,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:37:27,339 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 23:37:27,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-16 23:37:27,500 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-16 23:37:27,500 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-16 23:37:27,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-16 23:37:27,514 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:37:27,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-16 23:37:27,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-16 23:37:27,610 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 23:37:27,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2024-11-16 23:37:27,649 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 23:37:27,649 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2024-11-16 23:37:27,681 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-11-16 23:37:27,682 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 23:37:27,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [421983847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:37:27,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 23:37:27,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2024-11-16 23:37:27,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837619086] [2024-11-16 23:37:27,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:37:27,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:37:27,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:37:27,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:37:27,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-16 23:37:28,050 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 327 [2024-11-16 23:37:28,052 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 353 places, 531 transitions, 2110 flow. Second operand has 6 states, 6 states have (on average 247.66666666666666) internal successors, (1486), 6 states have internal predecessors, (1486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:37:28,052 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:37:28,052 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 327 [2024-11-16 23:37:28,052 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:37:30,803 INFO L124 PetriNetUnfolderBase]: 3572/12380 cut-off events. [2024-11-16 23:37:30,803 INFO L125 PetriNetUnfolderBase]: For 5270/5352 co-relation queries the response was YES. [2024-11-16 23:37:30,842 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26894 conditions, 12380 events. 3572/12380 cut-off events. For 5270/5352 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 98902 event pairs, 1616 based on Foata normal form. 0/11623 useless extension candidates. Maximal degree in co-relation 26556. Up to 6064 conditions per place. [2024-11-16 23:37:30,889 INFO L140 encePairwiseOnDemand]: 284/327 looper letters, 245 selfloop transitions, 170 changer transitions 0/700 dead transitions. [2024-11-16 23:37:30,889 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 700 transitions, 3418 flow [2024-11-16 23:37:30,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:37:30,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:37:30,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1702 transitions. [2024-11-16 23:37:30,894 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8674821610601428 [2024-11-16 23:37:30,894 INFO L175 Difference]: Start difference. First operand has 353 places, 531 transitions, 2110 flow. Second operand 6 states and 1702 transitions. [2024-11-16 23:37:30,894 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 700 transitions, 3418 flow [2024-11-16 23:37:30,912 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 700 transitions, 3408 flow, removed 3 selfloop flow, removed 1 redundant places. [2024-11-16 23:37:30,921 INFO L231 Difference]: Finished difference. Result has 362 places, 692 transitions, 3350 flow [2024-11-16 23:37:30,922 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=2100, PETRI_DIFFERENCE_MINUEND_PLACES=352, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=531, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=469, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3350, PETRI_PLACES=362, PETRI_TRANSITIONS=692} [2024-11-16 23:37:30,923 INFO L277 CegarLoopForPetriNet]: 324 programPoint places, 38 predicate places. [2024-11-16 23:37:30,923 INFO L471 AbstractCegarLoop]: Abstraction has has 362 places, 692 transitions, 3350 flow [2024-11-16 23:37:30,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 247.66666666666666) internal successors, (1486), 6 states have internal predecessors, (1486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:37:30,925 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:37:30,925 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:37:30,942 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-16 23:37:31,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-16 23:37:31,127 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-16 23:37:31,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:37:31,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1826667375, now seen corresponding path program 1 times [2024-11-16 23:37:31,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:37:31,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321869116] [2024-11-16 23:37:31,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:37:31,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:37:31,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:37:31,634 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:37:31,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:37:31,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321869116] [2024-11-16 23:37:31,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321869116] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:37:31,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [723714731] [2024-11-16 23:37:31,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:37:31,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:37:31,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:37:31,638 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 23:37:31,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-16 23:37:31,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:37:31,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-16 23:37:31,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:37:32,088 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:37:32,088 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 23:37:32,325 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:37:32,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [723714731] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 23:37:32,326 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 23:37:32,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-16 23:37:32,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006404415] [2024-11-16 23:37:32,326 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 23:37:32,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-16 23:37:32,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:37:32,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-16 23:37:32,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-16 23:37:32,758 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 327 [2024-11-16 23:37:32,765 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 362 places, 692 transitions, 3350 flow. Second operand has 18 states, 18 states have (on average 308.0) internal successors, (5544), 18 states have internal predecessors, (5544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:37:32,766 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:37:32,766 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 327 [2024-11-16 23:37:32,766 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:37:34,383 INFO L124 PetriNetUnfolderBase]: 1777/6963 cut-off events. [2024-11-16 23:37:34,383 INFO L125 PetriNetUnfolderBase]: For 3088/3186 co-relation queries the response was YES. [2024-11-16 23:37:34,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16068 conditions, 6963 events. 1777/6963 cut-off events. For 3088/3186 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 48424 event pairs, 163 based on Foata normal form. 4/6661 useless extension candidates. Maximal degree in co-relation 15459. Up to 1392 conditions per place. [2024-11-16 23:37:34,429 INFO L140 encePairwiseOnDemand]: 318/327 looper letters, 26 selfloop transitions, 25 changer transitions 0/716 dead transitions. [2024-11-16 23:37:34,429 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 716 transitions, 3552 flow [2024-11-16 23:37:34,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-16 23:37:34,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-16 23:37:34,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 6481 transitions. [2024-11-16 23:37:34,443 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9437891364496869 [2024-11-16 23:37:34,444 INFO L175 Difference]: Start difference. First operand has 362 places, 692 transitions, 3350 flow. Second operand 21 states and 6481 transitions. [2024-11-16 23:37:34,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 716 transitions, 3552 flow [2024-11-16 23:37:34,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 716 transitions, 3516 flow, removed 18 selfloop flow, removed 0 redundant places. [2024-11-16 23:37:34,494 INFO L231 Difference]: Finished difference. Result has 387 places, 705 transitions, 3458 flow [2024-11-16 23:37:34,495 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=3314, PETRI_DIFFERENCE_MINUEND_PLACES=362, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=692, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=677, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=3458, PETRI_PLACES=387, PETRI_TRANSITIONS=705} [2024-11-16 23:37:34,495 INFO L277 CegarLoopForPetriNet]: 324 programPoint places, 63 predicate places. [2024-11-16 23:37:34,496 INFO L471 AbstractCegarLoop]: Abstraction has has 387 places, 705 transitions, 3458 flow [2024-11-16 23:37:34,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 308.0) internal successors, (5544), 18 states have internal predecessors, (5544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:37:34,499 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:37:34,499 INFO L204 CegarLoopForPetriNet]: trace histogram [8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:37:34,519 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-16 23:37:34,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:37:34,701 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-16 23:37:34,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:37:34,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1454573467, now seen corresponding path program 2 times [2024-11-16 23:37:34,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:37:34,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913122756] [2024-11-16 23:37:34,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:37:34,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:37:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:37:35,804 INFO L134 CoverageAnalysis]: Checked inductivity of 896 backedges. 0 proven. 896 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:37:35,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:37:35,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913122756] [2024-11-16 23:37:35,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913122756] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:37:35,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634384332] [2024-11-16 23:37:35,806 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-16 23:37:35,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:37:35,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:37:35,810 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 23:37:35,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-16 23:37:36,049 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-16 23:37:36,049 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-16 23:37:36,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-16 23:37:36,058 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:37:36,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-16 23:37:36,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2024-11-16 23:37:36,125 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 23:37:36,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2024-11-16 23:37:36,168 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 23:37:36,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 46 [2024-11-16 23:37:36,203 INFO L134 CoverageAnalysis]: Checked inductivity of 896 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 896 trivial. 0 not checked. [2024-11-16 23:37:36,203 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 23:37:36,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1634384332] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:37:36,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 23:37:36,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-11-16 23:37:36,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194604306] [2024-11-16 23:37:36,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:37:36,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:37:36,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:37:36,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:37:36,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-11-16 23:37:36,594 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 327 [2024-11-16 23:37:36,595 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 705 transitions, 3458 flow. Second operand has 6 states, 6 states have (on average 247.66666666666666) internal successors, (1486), 6 states have internal predecessors, (1486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:37:36,596 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:37:36,596 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 327 [2024-11-16 23:37:36,596 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:37:40,999 INFO L124 PetriNetUnfolderBase]: 4263/14761 cut-off events. [2024-11-16 23:37:41,000 INFO L125 PetriNetUnfolderBase]: For 10363/10500 co-relation queries the response was YES. [2024-11-16 23:37:41,044 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37092 conditions, 14761 events. 4263/14761 cut-off events. For 10363/10500 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 120157 event pairs, 1677 based on Foata normal form. 0/13960 useless extension candidates. Maximal degree in co-relation 36390. Up to 6897 conditions per place. [2024-11-16 23:37:41,089 INFO L140 encePairwiseOnDemand]: 284/327 looper letters, 395 selfloop transitions, 170 changer transitions 0/874 dead transitions. [2024-11-16 23:37:41,089 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 392 places, 874 transitions, 5366 flow [2024-11-16 23:37:41,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:37:41,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:37:41,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1702 transitions. [2024-11-16 23:37:41,094 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8674821610601428 [2024-11-16 23:37:41,094 INFO L175 Difference]: Start difference. First operand has 387 places, 705 transitions, 3458 flow. Second operand 6 states and 1702 transitions. [2024-11-16 23:37:41,094 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 392 places, 874 transitions, 5366 flow [2024-11-16 23:37:41,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 874 transitions, 5340 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-16 23:37:41,149 INFO L231 Difference]: Finished difference. Result has 391 places, 866 transitions, 4982 flow [2024-11-16 23:37:41,150 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=3432, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=705, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=643, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4982, PETRI_PLACES=391, PETRI_TRANSITIONS=866} [2024-11-16 23:37:41,151 INFO L277 CegarLoopForPetriNet]: 324 programPoint places, 67 predicate places. [2024-11-16 23:37:41,151 INFO L471 AbstractCegarLoop]: Abstraction has has 391 places, 866 transitions, 4982 flow [2024-11-16 23:37:41,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 247.66666666666666) internal successors, (1486), 6 states have internal predecessors, (1486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:37:41,152 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:37:41,152 INFO L204 CegarLoopForPetriNet]: trace histogram [8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:37:41,171 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-16 23:37:41,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:37:41,357 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-16 23:37:41,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:37:41,358 INFO L85 PathProgramCache]: Analyzing trace with hash 730025279, now seen corresponding path program 1 times [2024-11-16 23:37:41,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:37:41,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068568623] [2024-11-16 23:37:41,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:37:41,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:37:41,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:37:42,333 INFO L134 CoverageAnalysis]: Checked inductivity of 896 backedges. 0 proven. 896 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:37:42,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:37:42,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068568623] [2024-11-16 23:37:42,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068568623] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:37:42,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [736019627] [2024-11-16 23:37:42,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:37:42,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:37:42,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:37:42,336 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 23:37:42,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-16 23:37:42,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:37:42,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 1423 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-16 23:37:42,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:37:43,131 INFO L134 CoverageAnalysis]: Checked inductivity of 896 backedges. 0 proven. 896 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:37:43,131 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 23:37:43,561 INFO L134 CoverageAnalysis]: Checked inductivity of 896 backedges. 0 proven. 896 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:37:43,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [736019627] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 23:37:43,561 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 23:37:43,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-11-16 23:37:43,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687067339] [2024-11-16 23:37:43,562 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 23:37:43,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-16 23:37:43,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:37:43,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-16 23:37:43,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-11-16 23:37:43,987 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 327 [2024-11-16 23:37:43,991 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 866 transitions, 4982 flow. Second operand has 23 states, 23 states have (on average 308.2173913043478) internal successors, (7089), 23 states have internal predecessors, (7089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:37:43,991 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:37:43,991 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 327 [2024-11-16 23:37:43,991 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:37:46,726 INFO L124 PetriNetUnfolderBase]: 2466/9311 cut-off events. [2024-11-16 23:37:46,727 INFO L125 PetriNetUnfolderBase]: For 7393/7564 co-relation queries the response was YES. [2024-11-16 23:37:46,758 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24414 conditions, 9311 events. 2466/9311 cut-off events. For 7393/7564 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 68190 event pairs, 224 based on Foata normal form. 3/8950 useless extension candidates. Maximal degree in co-relation 23539. Up to 2107 conditions per place. [2024-11-16 23:37:46,778 INFO L140 encePairwiseOnDemand]: 318/327 looper letters, 29 selfloop transitions, 34 changer transitions 0/889 dead transitions. [2024-11-16 23:37:46,778 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 420 places, 889 transitions, 5242 flow [2024-11-16 23:37:46,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-16 23:37:46,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-11-16 23:37:46,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 9246 transitions. [2024-11-16 23:37:46,794 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9425076452599388 [2024-11-16 23:37:46,794 INFO L175 Difference]: Start difference. First operand has 391 places, 866 transitions, 4982 flow. Second operand 30 states and 9246 transitions. [2024-11-16 23:37:46,794 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 420 places, 889 transitions, 5242 flow [2024-11-16 23:37:46,863 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 420 places, 889 transitions, 4906 flow, removed 168 selfloop flow, removed 0 redundant places. [2024-11-16 23:37:46,873 INFO L231 Difference]: Finished difference. Result has 424 places, 876 transitions, 4812 flow [2024-11-16 23:37:46,874 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=4646, PETRI_DIFFERENCE_MINUEND_PLACES=391, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=866, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=839, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=4812, PETRI_PLACES=424, PETRI_TRANSITIONS=876} [2024-11-16 23:37:46,874 INFO L277 CegarLoopForPetriNet]: 324 programPoint places, 100 predicate places. [2024-11-16 23:37:46,875 INFO L471 AbstractCegarLoop]: Abstraction has has 424 places, 876 transitions, 4812 flow [2024-11-16 23:37:46,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 308.2173913043478) internal successors, (7089), 23 states have internal predecessors, (7089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:37:46,877 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:37:46,878 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:37:46,899 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-16 23:37:47,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:37:47,079 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-16 23:37:47,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:37:47,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1968167146, now seen corresponding path program 2 times [2024-11-16 23:37:47,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:37:47,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001335572] [2024-11-16 23:37:47,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:37:47,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:37:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:37:49,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1910 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1910 trivial. 0 not checked. [2024-11-16 23:37:49,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:37:49,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001335572] [2024-11-16 23:37:49,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001335572] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:37:49,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:37:49,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 23:37:49,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765968390] [2024-11-16 23:37:49,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:37:49,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 23:37:49,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:37:49,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 23:37:49,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-16 23:37:50,201 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 327 [2024-11-16 23:37:50,204 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 424 places, 876 transitions, 4812 flow. Second operand has 11 states, 11 states have (on average 235.0909090909091) internal successors, (2586), 11 states have internal predecessors, (2586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:37:50,204 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:37:50,204 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 327 [2024-11-16 23:37:50,204 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:37:56,150 INFO L124 PetriNetUnfolderBase]: 4877/16157 cut-off events. [2024-11-16 23:37:56,150 INFO L125 PetriNetUnfolderBase]: For 17257/17692 co-relation queries the response was YES. [2024-11-16 23:37:56,209 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46766 conditions, 16157 events. 4877/16157 cut-off events. For 17257/17692 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 130176 event pairs, 1704 based on Foata normal form. 20/15455 useless extension candidates. Maximal degree in co-relation 45729. Up to 5419 conditions per place. [2024-11-16 23:37:56,248 INFO L140 encePairwiseOnDemand]: 279/327 looper letters, 591 selfloop transitions, 145 changer transitions 0/1044 dead transitions. [2024-11-16 23:37:56,248 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 435 places, 1044 transitions, 7266 flow [2024-11-16 23:37:56,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 23:37:56,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-16 23:37:56,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 3116 transitions. [2024-11-16 23:37:56,254 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7940876656472987 [2024-11-16 23:37:56,254 INFO L175 Difference]: Start difference. First operand has 424 places, 876 transitions, 4812 flow. Second operand 12 states and 3116 transitions. [2024-11-16 23:37:56,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 435 places, 1044 transitions, 7266 flow [2024-11-16 23:37:56,335 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 417 places, 1044 transitions, 7218 flow, removed 5 selfloop flow, removed 18 redundant places. [2024-11-16 23:37:56,348 INFO L231 Difference]: Finished difference. Result has 422 places, 895 transitions, 5390 flow [2024-11-16 23:37:56,349 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=4764, PETRI_DIFFERENCE_MINUEND_PLACES=406, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=876, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=127, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=735, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=5390, PETRI_PLACES=422, PETRI_TRANSITIONS=895} [2024-11-16 23:37:56,350 INFO L277 CegarLoopForPetriNet]: 324 programPoint places, 98 predicate places. [2024-11-16 23:37:56,350 INFO L471 AbstractCegarLoop]: Abstraction has has 422 places, 895 transitions, 5390 flow [2024-11-16 23:37:56,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 235.0909090909091) internal successors, (2586), 11 states have internal predecessors, (2586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:37:56,353 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:37:56,353 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:37:56,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 23:37:56,354 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-16 23:37:56,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:37:56,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1893902950, now seen corresponding path program 3 times [2024-11-16 23:37:56,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:37:56,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955930578] [2024-11-16 23:37:56,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:37:56,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:37:56,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:37:58,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1910 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1910 trivial. 0 not checked. [2024-11-16 23:37:58,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:37:58,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955930578] [2024-11-16 23:37:58,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955930578] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:37:58,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:37:58,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 23:37:58,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029814877] [2024-11-16 23:37:58,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:37:58,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 23:37:58,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:37:58,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 23:37:58,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-16 23:37:59,623 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 327 [2024-11-16 23:37:59,625 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 422 places, 895 transitions, 5390 flow. Second operand has 11 states, 11 states have (on average 235.0909090909091) internal successors, (2586), 11 states have internal predecessors, (2586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:37:59,625 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:37:59,626 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 327 [2024-11-16 23:37:59,626 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:38:05,604 INFO L124 PetriNetUnfolderBase]: 5770/18348 cut-off events. [2024-11-16 23:38:05,604 INFO L125 PetriNetUnfolderBase]: For 24671/24879 co-relation queries the response was YES. [2024-11-16 23:38:05,678 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57887 conditions, 18348 events. 5770/18348 cut-off events. For 24671/24879 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 149450 event pairs, 1608 based on Foata normal form. 82/17753 useless extension candidates. Maximal degree in co-relation 56747. Up to 4534 conditions per place. [2024-11-16 23:38:05,725 INFO L140 encePairwiseOnDemand]: 286/327 looper letters, 868 selfloop transitions, 148 changer transitions 0/1324 dead transitions. [2024-11-16 23:38:05,725 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 444 places, 1324 transitions, 10840 flow [2024-11-16 23:38:05,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-16 23:38:05,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-11-16 23:38:05,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 5684 transitions. [2024-11-16 23:38:05,730 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7557505650844303 [2024-11-16 23:38:05,730 INFO L175 Difference]: Start difference. First operand has 422 places, 895 transitions, 5390 flow. Second operand 23 states and 5684 transitions. [2024-11-16 23:38:05,730 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 444 places, 1324 transitions, 10840 flow [2024-11-16 23:38:05,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 438 places, 1324 transitions, 10626 flow, removed 1 selfloop flow, removed 6 redundant places. [2024-11-16 23:38:05,828 INFO L231 Difference]: Finished difference. Result has 455 places, 1024 transitions, 7054 flow [2024-11-16 23:38:05,829 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=5274, PETRI_DIFFERENCE_MINUEND_PLACES=416, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=895, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=789, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=7054, PETRI_PLACES=455, PETRI_TRANSITIONS=1024} [2024-11-16 23:38:05,829 INFO L277 CegarLoopForPetriNet]: 324 programPoint places, 131 predicate places. [2024-11-16 23:38:05,829 INFO L471 AbstractCegarLoop]: Abstraction has has 455 places, 1024 transitions, 7054 flow [2024-11-16 23:38:05,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 235.0909090909091) internal successors, (2586), 11 states have internal predecessors, (2586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:38:05,830 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:38:05,830 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:38:05,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 23:38:05,831 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-16 23:38:05,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:38:05,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1571480440, now seen corresponding path program 4 times [2024-11-16 23:38:05,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:38:05,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564619470] [2024-11-16 23:38:05,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:38:05,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:38:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:38:07,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1910 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1910 trivial. 0 not checked. [2024-11-16 23:38:07,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:38:07,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564619470] [2024-11-16 23:38:07,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564619470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:38:07,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:38:07,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 23:38:07,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88445927] [2024-11-16 23:38:07,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:38:07,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 23:38:07,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:38:07,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 23:38:07,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-16 23:38:08,773 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 327 [2024-11-16 23:38:08,775 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 455 places, 1024 transitions, 7054 flow. Second operand has 11 states, 11 states have (on average 235.0909090909091) internal successors, (2586), 11 states have internal predecessors, (2586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:38:08,775 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:38:08,775 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 327 [2024-11-16 23:38:08,776 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:38:16,144 INFO L124 PetriNetUnfolderBase]: 5852/18592 cut-off events. [2024-11-16 23:38:16,144 INFO L125 PetriNetUnfolderBase]: For 34145/34591 co-relation queries the response was YES. [2024-11-16 23:38:16,287 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62885 conditions, 18592 events. 5852/18592 cut-off events. For 34145/34591 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 151734 event pairs, 1708 based on Foata normal form. 50/17910 useless extension candidates. Maximal degree in co-relation 61758. Up to 5461 conditions per place. [2024-11-16 23:38:16,339 INFO L140 encePairwiseOnDemand]: 279/327 looper letters, 661 selfloop transitions, 237 changer transitions 0/1206 dead transitions. [2024-11-16 23:38:16,339 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 467 places, 1206 transitions, 10251 flow [2024-11-16 23:38:16,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-16 23:38:16,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-16 23:38:16,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3352 transitions. [2024-11-16 23:38:16,342 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7885203481533757 [2024-11-16 23:38:16,342 INFO L175 Difference]: Start difference. First operand has 455 places, 1024 transitions, 7054 flow. Second operand 13 states and 3352 transitions. [2024-11-16 23:38:16,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 467 places, 1206 transitions, 10251 flow [2024-11-16 23:38:16,521 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 465 places, 1206 transitions, 10139 flow, removed 26 selfloop flow, removed 2 redundant places. [2024-11-16 23:38:16,533 INFO L231 Difference]: Finished difference. Result has 472 places, 1053 transitions, 8215 flow [2024-11-16 23:38:16,534 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=6988, PETRI_DIFFERENCE_MINUEND_PLACES=453, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1024, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=210, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=796, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=8215, PETRI_PLACES=472, PETRI_TRANSITIONS=1053} [2024-11-16 23:38:16,534 INFO L277 CegarLoopForPetriNet]: 324 programPoint places, 148 predicate places. [2024-11-16 23:38:16,534 INFO L471 AbstractCegarLoop]: Abstraction has has 472 places, 1053 transitions, 8215 flow [2024-11-16 23:38:16,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 235.0909090909091) internal successors, (2586), 11 states have internal predecessors, (2586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:38:16,536 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:38:16,536 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:38:16,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 23:38:16,536 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-16 23:38:16,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:38:16,537 INFO L85 PathProgramCache]: Analyzing trace with hash -465293878, now seen corresponding path program 5 times [2024-11-16 23:38:16,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:38:16,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202924316] [2024-11-16 23:38:16,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:38:16,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:38:16,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:38:18,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1910 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1910 trivial. 0 not checked. [2024-11-16 23:38:18,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:38:18,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202924316] [2024-11-16 23:38:18,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202924316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:38:18,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:38:18,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 23:38:18,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443239352] [2024-11-16 23:38:18,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:38:18,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 23:38:18,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:38:18,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 23:38:18,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-16 23:38:19,133 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 327 [2024-11-16 23:38:19,135 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 472 places, 1053 transitions, 8215 flow. Second operand has 11 states, 11 states have (on average 235.0909090909091) internal successors, (2586), 11 states have internal predecessors, (2586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:38:19,135 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:38:19,135 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 327 [2024-11-16 23:38:19,135 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand