/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf --traceabstraction.order.of.the.error.locations.to.be.checked PROGRAM_FIRST -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true -i ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-26 10:09:56,419 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-26 10:09:56,515 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf [2023-08-26 10:09:56,521 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-26 10:09:56,522 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-26 10:09:56,553 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-26 10:09:56,554 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-26 10:09:56,554 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-26 10:09:56,555 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-26 10:09:56,559 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-26 10:09:56,559 INFO L153 SettingsManager]: * Use SBE=true [2023-08-26 10:09:56,560 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-26 10:09:56,560 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-26 10:09:56,561 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-26 10:09:56,561 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-26 10:09:56,561 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-26 10:09:56,562 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-26 10:09:56,562 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-26 10:09:56,562 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-26 10:09:56,562 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-26 10:09:56,562 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-26 10:09:56,563 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-26 10:09:56,563 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-26 10:09:56,564 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-26 10:09:56,564 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-26 10:09:56,564 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-26 10:09:56,565 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-26 10:09:56,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 10:09:56,565 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-26 10:09:56,565 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-26 10:09:56,566 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-26 10:09:56,566 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-26 10:09:56,566 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-26 10:09:56,567 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-26 10:09:56,567 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-26 10:09:56,567 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> PROGRAM_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-26 10:09:56,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-26 10:09:56,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-26 10:09:56,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-26 10:09:56,882 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-26 10:09:56,884 INFO L274 PluginConnector]: CDTParser initialized [2023-08-26 10:09:56,886 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series2.wvr.c [2023-08-26 10:09:58,099 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-26 10:09:58,311 INFO L384 CDTParser]: Found 1 translation units. [2023-08-26 10:09:58,312 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-series2.wvr.c [2023-08-26 10:09:58,321 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/818dcdc33/5f560a516a2f46618b749723c946a14e/FLAG1977ddbf7 [2023-08-26 10:09:58,337 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/818dcdc33/5f560a516a2f46618b749723c946a14e [2023-08-26 10:09:58,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-26 10:09:58,343 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-26 10:09:58,346 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-26 10:09:58,346 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-26 10:09:58,349 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-26 10:09:58,350 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 10:09:58" (1/1) ... [2023-08-26 10:09:58,351 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52b911e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:09:58, skipping insertion in model container [2023-08-26 10:09:58,351 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 10:09:58" (1/1) ... [2023-08-26 10:09:58,389 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-26 10:09:58,617 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 10:09:58,628 INFO L201 MainTranslator]: Completed pre-run [2023-08-26 10:09:58,695 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 10:09:58,706 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-26 10:09:58,707 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-26 10:09:58,713 INFO L206 MainTranslator]: Completed translation [2023-08-26 10:09:58,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:09:58 WrapperNode [2023-08-26 10:09:58,714 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-26 10:09:58,715 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-26 10:09:58,715 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-26 10:09:58,715 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-26 10:09:58,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:09:58" (1/1) ... [2023-08-26 10:09:58,746 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:09:58" (1/1) ... [2023-08-26 10:09:58,802 INFO L138 Inliner]: procedures = 27, calls = 84, calls flagged for inlining = 23, calls inlined = 29, statements flattened = 689 [2023-08-26 10:09:58,802 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-26 10:09:58,803 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-26 10:09:58,803 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-26 10:09:58,803 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-26 10:09:58,814 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:09:58" (1/1) ... [2023-08-26 10:09:58,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:09:58" (1/1) ... [2023-08-26 10:09:58,820 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:09:58" (1/1) ... [2023-08-26 10:09:58,825 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:09:58" (1/1) ... [2023-08-26 10:09:58,853 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:09:58" (1/1) ... [2023-08-26 10:09:58,858 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:09:58" (1/1) ... [2023-08-26 10:09:58,861 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:09:58" (1/1) ... [2023-08-26 10:09:58,864 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:09:58" (1/1) ... [2023-08-26 10:09:58,869 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-26 10:09:58,870 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-26 10:09:58,870 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-26 10:09:58,870 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-26 10:09:58,871 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:09:58" (1/1) ... [2023-08-26 10:09:58,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 10:09:58,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 10:09:58,919 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-26 10:09:58,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-26 10:09:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-26 10:09:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-26 10:09:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-26 10:09:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-26 10:09:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-26 10:09:58,962 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-26 10:09:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-26 10:09:58,962 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-26 10:09:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-26 10:09:58,962 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-26 10:09:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-08-26 10:09:58,963 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-08-26 10:09:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-26 10:09:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-26 10:09:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-26 10:09:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-26 10:09:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-26 10:09:58,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-26 10:09:58,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-26 10:09:58,967 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-26 10:09:59,080 INFO L236 CfgBuilder]: Building ICFG [2023-08-26 10:09:59,081 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-26 10:09:59,954 INFO L277 CfgBuilder]: Performing block encoding [2023-08-26 10:10:00,574 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-26 10:10:00,574 INFO L302 CfgBuilder]: Removed 7 assume(true) statements. [2023-08-26 10:10:00,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 10:10:00 BoogieIcfgContainer [2023-08-26 10:10:00,577 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-26 10:10:00,579 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-26 10:10:00,579 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-26 10:10:00,582 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-26 10:10:00,582 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 10:09:58" (1/3) ... [2023-08-26 10:10:00,583 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63a6ffb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 10:10:00, skipping insertion in model container [2023-08-26 10:10:00,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:09:58" (2/3) ... [2023-08-26 10:10:00,583 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63a6ffb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 10:10:00, skipping insertion in model container [2023-08-26 10:10:00,584 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 10:10:00" (3/3) ... [2023-08-26 10:10:00,585 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-series2.wvr.c [2023-08-26 10:10:00,601 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-26 10:10:00,601 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 104 error locations. [2023-08-26 10:10:00,602 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-26 10:10:00,750 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-08-26 10:10:00,783 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 444 places, 453 transitions, 938 flow [2023-08-26 10:10:00,907 INFO L124 PetriNetUnfolderBase]: 22/449 cut-off events. [2023-08-26 10:10:00,908 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-08-26 10:10:00,915 INFO L83 FinitePrefix]: Finished finitePrefix Result has 466 conditions, 449 events. 22/449 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 681 event pairs, 0 based on Foata normal form. 0/323 useless extension candidates. Maximal degree in co-relation 364. Up to 2 conditions per place. [2023-08-26 10:10:00,915 INFO L82 GeneralOperation]: Start removeDead. Operand has 444 places, 453 transitions, 938 flow [2023-08-26 10:10:00,925 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 427 places, 436 transitions, 896 flow [2023-08-26 10:10:00,928 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-26 10:10:00,936 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 427 places, 436 transitions, 896 flow [2023-08-26 10:10:00,939 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 427 places, 436 transitions, 896 flow [2023-08-26 10:10:00,939 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 427 places, 436 transitions, 896 flow [2023-08-26 10:10:01,050 INFO L124 PetriNetUnfolderBase]: 22/436 cut-off events. [2023-08-26 10:10:01,051 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-08-26 10:10:01,052 INFO L83 FinitePrefix]: Finished finitePrefix Result has 453 conditions, 436 events. 22/436 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 669 event pairs, 0 based on Foata normal form. 0/311 useless extension candidates. Maximal degree in co-relation 364. Up to 2 conditions per place. [2023-08-26 10:10:01,061 INFO L119 LiptonReduction]: Number of co-enabled transitions 16244 [2023-08-26 10:10:19,797 INFO L134 LiptonReduction]: Checked pairs total: 72505 [2023-08-26 10:10:19,797 INFO L136 LiptonReduction]: Total number of compositions: 435 [2023-08-26 10:10:19,809 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-26 10:10:19,814 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@40ed8e34, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-26 10:10:19,815 INFO L358 AbstractCegarLoop]: Starting to check reachability of 187 error locations. [2023-08-26 10:10:19,816 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-26 10:10:19,816 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-26 10:10:19,816 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 10:10:19,816 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 10:10:19,817 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-26 10:10:19,817 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 183 more)] === [2023-08-26 10:10:19,821 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 10:10:19,821 INFO L85 PathProgramCache]: Analyzing trace with hash 2629, now seen corresponding path program 1 times [2023-08-26 10:10:19,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 10:10:19,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654097489] [2023-08-26 10:10:19,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 10:10:19,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 10:10:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 10:10:19,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 10:10:19,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 10:10:19,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654097489] [2023-08-26 10:10:19,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654097489] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 10:10:19,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 10:10:19,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-26 10:10:19,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494223890] [2023-08-26 10:10:19,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 10:10:19,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-26 10:10:19,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 10:10:19,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-26 10:10:19,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-26 10:10:19,959 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 888 [2023-08-26 10:10:19,964 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 158 transitions, 340 flow. Second operand has 2 states, 2 states have (on average 338.5) internal successors, (677), 2 states have internal predecessors, (677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:19,964 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 10:10:19,965 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 888 [2023-08-26 10:10:19,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 10:10:20,746 INFO L124 PetriNetUnfolderBase]: 2708/4302 cut-off events. [2023-08-26 10:10:20,746 INFO L125 PetriNetUnfolderBase]: For 298/298 co-relation queries the response was YES. [2023-08-26 10:10:20,757 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8125 conditions, 4302 events. 2708/4302 cut-off events. For 298/298 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 20997 event pairs, 1965 based on Foata normal form. 0/3363 useless extension candidates. Maximal degree in co-relation 6344. Up to 3563 conditions per place. [2023-08-26 10:10:20,779 INFO L140 encePairwiseOnDemand]: 789/888 looper letters, 39 selfloop transitions, 0 changer transitions 0/59 dead transitions. [2023-08-26 10:10:20,779 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 59 transitions, 220 flow [2023-08-26 10:10:20,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-26 10:10:20,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-26 10:10:20,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 814 transitions. [2023-08-26 10:10:20,798 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4583333333333333 [2023-08-26 10:10:20,799 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 814 transitions. [2023-08-26 10:10:20,800 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 814 transitions. [2023-08-26 10:10:20,803 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 10:10:20,805 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 814 transitions. [2023-08-26 10:10:20,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 407.0) internal successors, (814), 2 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:20,818 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 888.0) internal successors, (2664), 3 states have internal predecessors, (2664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:20,819 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 888.0) internal successors, (2664), 3 states have internal predecessors, (2664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:20,821 INFO L175 Difference]: Start difference. First operand has 164 places, 158 transitions, 340 flow. Second operand 2 states and 814 transitions. [2023-08-26 10:10:20,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 59 transitions, 220 flow [2023-08-26 10:10:20,828 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 59 transitions, 204 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-08-26 10:10:20,830 INFO L231 Difference]: Finished difference. Result has 58 places, 59 transitions, 126 flow [2023-08-26 10:10:20,832 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=888, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=126, PETRI_PLACES=58, PETRI_TRANSITIONS=59} [2023-08-26 10:10:20,835 INFO L281 CegarLoopForPetriNet]: 164 programPoint places, -106 predicate places. [2023-08-26 10:10:20,835 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 59 transitions, 126 flow [2023-08-26 10:10:20,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 338.5) internal successors, (677), 2 states have internal predecessors, (677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:20,836 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 10:10:20,836 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 10:10:20,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-26 10:10:20,837 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 183 more)] === [2023-08-26 10:10:20,845 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 10:10:20,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1541986948, now seen corresponding path program 1 times [2023-08-26 10:10:20,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 10:10:20,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645603758] [2023-08-26 10:10:20,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 10:10:20,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 10:10:20,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 10:10:21,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 10:10:21,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 10:10:21,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645603758] [2023-08-26 10:10:21,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645603758] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 10:10:21,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 10:10:21,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-26 10:10:21,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071549178] [2023-08-26 10:10:21,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 10:10:21,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-26 10:10:21,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 10:10:21,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-26 10:10:21,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-26 10:10:21,717 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 290 out of 888 [2023-08-26 10:10:21,719 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 59 transitions, 126 flow. Second operand has 6 states, 6 states have (on average 292.6666666666667) internal successors, (1756), 6 states have internal predecessors, (1756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:21,719 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 10:10:21,719 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 290 of 888 [2023-08-26 10:10:21,720 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 10:10:23,627 INFO L124 PetriNetUnfolderBase]: 7944/10242 cut-off events. [2023-08-26 10:10:23,627 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 10:10:23,638 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20572 conditions, 10242 events. 7944/10242 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 252. Compared 37669 event pairs, 855 based on Foata normal form. 0/8106 useless extension candidates. Maximal degree in co-relation 20569. Up to 4746 conditions per place. [2023-08-26 10:10:23,682 INFO L140 encePairwiseOnDemand]: 883/888 looper letters, 118 selfloop transitions, 4 changer transitions 0/122 dead transitions. [2023-08-26 10:10:23,683 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 122 transitions, 496 flow [2023-08-26 10:10:23,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-26 10:10:23,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-26 10:10:23,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1863 transitions. [2023-08-26 10:10:23,689 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.34966216216216217 [2023-08-26 10:10:23,689 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1863 transitions. [2023-08-26 10:10:23,689 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1863 transitions. [2023-08-26 10:10:23,690 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 10:10:23,690 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1863 transitions. [2023-08-26 10:10:23,694 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 310.5) internal successors, (1863), 6 states have internal predecessors, (1863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:23,702 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 888.0) internal successors, (6216), 7 states have internal predecessors, (6216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:23,705 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 888.0) internal successors, (6216), 7 states have internal predecessors, (6216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:23,705 INFO L175 Difference]: Start difference. First operand has 58 places, 59 transitions, 126 flow. Second operand 6 states and 1863 transitions. [2023-08-26 10:10:23,705 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 122 transitions, 496 flow [2023-08-26 10:10:23,706 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 122 transitions, 496 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-26 10:10:23,708 INFO L231 Difference]: Finished difference. Result has 62 places, 58 transitions, 132 flow [2023-08-26 10:10:23,708 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=888, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=132, PETRI_PLACES=62, PETRI_TRANSITIONS=58} [2023-08-26 10:10:23,709 INFO L281 CegarLoopForPetriNet]: 164 programPoint places, -102 predicate places. [2023-08-26 10:10:23,709 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 58 transitions, 132 flow [2023-08-26 10:10:23,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 292.6666666666667) internal successors, (1756), 6 states have internal predecessors, (1756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:23,711 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 10:10:23,711 INFO L208 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] [2023-08-26 10:10:23,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-26 10:10:23,711 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 183 more)] === [2023-08-26 10:10:23,712 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 10:10:23,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1058975804, now seen corresponding path program 1 times [2023-08-26 10:10:23,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 10:10:23,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022916293] [2023-08-26 10:10:23,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 10:10:23,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 10:10:23,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 10:10:24,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 10:10:24,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 10:10:24,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022916293] [2023-08-26 10:10:24,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022916293] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 10:10:24,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 10:10:24,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-26 10:10:24,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96298089] [2023-08-26 10:10:24,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 10:10:24,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-26 10:10:24,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 10:10:24,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-26 10:10:24,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-26 10:10:24,104 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 290 out of 888 [2023-08-26 10:10:24,106 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 58 transitions, 132 flow. Second operand has 6 states, 6 states have (on average 294.0) internal successors, (1764), 6 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:24,106 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 10:10:24,106 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 290 of 888 [2023-08-26 10:10:24,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 10:10:25,586 INFO L124 PetriNetUnfolderBase]: 7752/9986 cut-off events. [2023-08-26 10:10:25,586 INFO L125 PetriNetUnfolderBase]: For 512/512 co-relation queries the response was YES. [2023-08-26 10:10:25,599 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21085 conditions, 9986 events. 7752/9986 cut-off events. For 512/512 co-relation queries the response was YES. Maximal size of possible extension queue 252. Compared 36112 event pairs, 4839 based on Foata normal form. 0/7962 useless extension candidates. Maximal degree in co-relation 21081. Up to 8313 conditions per place. [2023-08-26 10:10:25,633 INFO L140 encePairwiseOnDemand]: 883/888 looper letters, 101 selfloop transitions, 4 changer transitions 0/105 dead transitions. [2023-08-26 10:10:25,633 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 105 transitions, 436 flow [2023-08-26 10:10:25,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-26 10:10:25,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-26 10:10:25,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1846 transitions. [2023-08-26 10:10:25,639 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.34647147147147145 [2023-08-26 10:10:25,639 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1846 transitions. [2023-08-26 10:10:25,639 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1846 transitions. [2023-08-26 10:10:25,640 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 10:10:25,640 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1846 transitions. [2023-08-26 10:10:25,644 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 307.6666666666667) internal successors, (1846), 6 states have internal predecessors, (1846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:25,652 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 888.0) internal successors, (6216), 7 states have internal predecessors, (6216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:25,655 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 888.0) internal successors, (6216), 7 states have internal predecessors, (6216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:25,655 INFO L175 Difference]: Start difference. First operand has 62 places, 58 transitions, 132 flow. Second operand 6 states and 1846 transitions. [2023-08-26 10:10:25,655 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 105 transitions, 436 flow [2023-08-26 10:10:25,664 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 105 transitions, 429 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-26 10:10:25,667 INFO L231 Difference]: Finished difference. Result has 62 places, 57 transitions, 131 flow [2023-08-26 10:10:25,667 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=888, PETRI_DIFFERENCE_MINUEND_FLOW=123, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=131, PETRI_PLACES=62, PETRI_TRANSITIONS=57} [2023-08-26 10:10:25,669 INFO L281 CegarLoopForPetriNet]: 164 programPoint places, -102 predicate places. [2023-08-26 10:10:25,669 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 57 transitions, 131 flow [2023-08-26 10:10:25,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 294.0) internal successors, (1764), 6 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:25,671 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 10:10:25,671 INFO L208 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] [2023-08-26 10:10:25,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-26 10:10:25,674 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 183 more)] === [2023-08-26 10:10:25,675 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 10:10:25,675 INFO L85 PathProgramCache]: Analyzing trace with hash -645143547, now seen corresponding path program 1 times [2023-08-26 10:10:25,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 10:10:25,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937275653] [2023-08-26 10:10:25,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 10:10:25,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 10:10:25,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 10:10:26,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 10:10:26,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 10:10:26,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937275653] [2023-08-26 10:10:26,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937275653] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 10:10:26,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 10:10:26,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-26 10:10:26,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677347027] [2023-08-26 10:10:26,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 10:10:26,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-26 10:10:26,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 10:10:26,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-26 10:10:26,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-26 10:10:26,170 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 290 out of 888 [2023-08-26 10:10:26,172 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 57 transitions, 131 flow. Second operand has 6 states, 6 states have (on average 295.3333333333333) internal successors, (1772), 6 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:26,172 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 10:10:26,172 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 290 of 888 [2023-08-26 10:10:26,172 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 10:10:27,351 INFO L124 PetriNetUnfolderBase]: 7720/9938 cut-off events. [2023-08-26 10:10:27,352 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 10:10:27,360 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20477 conditions, 9938 events. 7720/9938 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 252. Compared 35929 event pairs, 5583 based on Foata normal form. 0/7938 useless extension candidates. Maximal degree in co-relation 20473. Up to 9641 conditions per place. [2023-08-26 10:10:27,389 INFO L140 encePairwiseOnDemand]: 883/888 looper letters, 84 selfloop transitions, 4 changer transitions 0/88 dead transitions. [2023-08-26 10:10:27,389 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 88 transitions, 369 flow [2023-08-26 10:10:27,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-26 10:10:27,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-26 10:10:27,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1829 transitions. [2023-08-26 10:10:27,395 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3432807807807808 [2023-08-26 10:10:27,396 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1829 transitions. [2023-08-26 10:10:27,396 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1829 transitions. [2023-08-26 10:10:27,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 10:10:27,397 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1829 transitions. [2023-08-26 10:10:27,401 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 304.8333333333333) internal successors, (1829), 6 states have internal predecessors, (1829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:27,411 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 888.0) internal successors, (6216), 7 states have internal predecessors, (6216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:27,414 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 888.0) internal successors, (6216), 7 states have internal predecessors, (6216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:27,415 INFO L175 Difference]: Start difference. First operand has 62 places, 57 transitions, 131 flow. Second operand 6 states and 1829 transitions. [2023-08-26 10:10:27,415 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 88 transitions, 369 flow [2023-08-26 10:10:27,417 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 88 transitions, 362 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-26 10:10:27,419 INFO L231 Difference]: Finished difference. Result has 62 places, 56 transitions, 130 flow [2023-08-26 10:10:27,419 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=888, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=130, PETRI_PLACES=62, PETRI_TRANSITIONS=56} [2023-08-26 10:10:27,419 INFO L281 CegarLoopForPetriNet]: 164 programPoint places, -102 predicate places. [2023-08-26 10:10:27,420 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 56 transitions, 130 flow [2023-08-26 10:10:27,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 295.3333333333333) internal successors, (1772), 6 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:27,421 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 10:10:27,421 INFO L208 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] [2023-08-26 10:10:27,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-26 10:10:27,421 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 183 more)] === [2023-08-26 10:10:27,421 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 10:10:27,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1248958253, now seen corresponding path program 1 times [2023-08-26 10:10:27,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 10:10:27,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703404320] [2023-08-26 10:10:27,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 10:10:27,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 10:10:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 10:10:27,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 10:10:27,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 10:10:27,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703404320] [2023-08-26 10:10:27,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703404320] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 10:10:27,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 10:10:27,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-26 10:10:27,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422332028] [2023-08-26 10:10:27,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 10:10:27,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-26 10:10:27,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 10:10:27,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-26 10:10:27,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-26 10:10:27,972 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 290 out of 888 [2023-08-26 10:10:27,974 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 56 transitions, 130 flow. Second operand has 6 states, 6 states have (on average 296.6666666666667) internal successors, (1780), 6 states have internal predecessors, (1780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:27,974 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 10:10:27,974 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 290 of 888 [2023-08-26 10:10:27,974 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 10:10:29,101 INFO L124 PetriNetUnfolderBase]: 7716/9930 cut-off events. [2023-08-26 10:10:29,102 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 10:10:29,121 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20333 conditions, 9930 events. 7716/9930 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 252. Compared 35906 event pairs, 5706 based on Foata normal form. 0/7935 useless extension candidates. Maximal degree in co-relation 20329. Up to 9889 conditions per place. [2023-08-26 10:10:29,151 INFO L140 encePairwiseOnDemand]: 883/888 looper letters, 67 selfloop transitions, 4 changer transitions 0/71 dead transitions. [2023-08-26 10:10:29,151 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 71 transitions, 302 flow [2023-08-26 10:10:29,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-26 10:10:29,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-26 10:10:29,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1812 transitions. [2023-08-26 10:10:29,156 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3400900900900901 [2023-08-26 10:10:29,157 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1812 transitions. [2023-08-26 10:10:29,157 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1812 transitions. [2023-08-26 10:10:29,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 10:10:29,158 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1812 transitions. [2023-08-26 10:10:29,161 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 302.0) internal successors, (1812), 6 states have internal predecessors, (1812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:29,167 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 888.0) internal successors, (6216), 7 states have internal predecessors, (6216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:29,169 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 888.0) internal successors, (6216), 7 states have internal predecessors, (6216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:29,169 INFO L175 Difference]: Start difference. First operand has 62 places, 56 transitions, 130 flow. Second operand 6 states and 1812 transitions. [2023-08-26 10:10:29,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 71 transitions, 302 flow [2023-08-26 10:10:29,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 71 transitions, 295 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-26 10:10:29,171 INFO L231 Difference]: Finished difference. Result has 62 places, 55 transitions, 129 flow [2023-08-26 10:10:29,171 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=888, PETRI_DIFFERENCE_MINUEND_FLOW=121, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=129, PETRI_PLACES=62, PETRI_TRANSITIONS=55} [2023-08-26 10:10:29,172 INFO L281 CegarLoopForPetriNet]: 164 programPoint places, -102 predicate places. [2023-08-26 10:10:29,172 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 55 transitions, 129 flow [2023-08-26 10:10:29,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 296.6666666666667) internal successors, (1780), 6 states have internal predecessors, (1780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:29,173 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 10:10:29,173 INFO L208 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] [2023-08-26 10:10:29,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-26 10:10:29,173 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 183 more)] === [2023-08-26 10:10:29,173 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 10:10:29,173 INFO L85 PathProgramCache]: Analyzing trace with hash 118611717, now seen corresponding path program 1 times [2023-08-26 10:10:29,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 10:10:29,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127426259] [2023-08-26 10:10:29,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 10:10:29,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 10:10:29,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 10:10:29,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 10:10:29,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 10:10:29,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127426259] [2023-08-26 10:10:29,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127426259] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 10:10:29,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 10:10:29,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-26 10:10:29,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41903827] [2023-08-26 10:10:29,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 10:10:29,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-26 10:10:29,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 10:10:29,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-26 10:10:29,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-26 10:10:29,394 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 336 out of 888 [2023-08-26 10:10:29,395 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 55 transitions, 129 flow. Second operand has 3 states, 3 states have (on average 345.3333333333333) internal successors, (1036), 3 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:29,395 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 10:10:29,396 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 336 of 888 [2023-08-26 10:10:29,396 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 10:10:30,043 INFO L124 PetriNetUnfolderBase]: 4026/5987 cut-off events. [2023-08-26 10:10:30,043 INFO L125 PetriNetUnfolderBase]: For 129/129 co-relation queries the response was YES. [2023-08-26 10:10:30,053 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11591 conditions, 5987 events. 4026/5987 cut-off events. For 129/129 co-relation queries the response was YES. Maximal size of possible extension queue 224. Compared 28463 event pairs, 1203 based on Foata normal form. 1/4715 useless extension candidates. Maximal degree in co-relation 11587. Up to 3419 conditions per place. [2023-08-26 10:10:30,071 INFO L140 encePairwiseOnDemand]: 884/888 looper letters, 59 selfloop transitions, 3 changer transitions 1/79 dead transitions. [2023-08-26 10:10:30,071 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 79 transitions, 310 flow [2023-08-26 10:10:30,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-26 10:10:30,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-26 10:10:30,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1072 transitions. [2023-08-26 10:10:30,075 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4024024024024024 [2023-08-26 10:10:30,075 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1072 transitions. [2023-08-26 10:10:30,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1072 transitions. [2023-08-26 10:10:30,075 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 10:10:30,075 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1072 transitions. [2023-08-26 10:10:30,077 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 357.3333333333333) internal successors, (1072), 3 states have internal predecessors, (1072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:30,082 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 888.0) internal successors, (3552), 4 states have internal predecessors, (3552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:30,083 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 888.0) internal successors, (3552), 4 states have internal predecessors, (3552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:30,084 INFO L175 Difference]: Start difference. First operand has 62 places, 55 transitions, 129 flow. Second operand 3 states and 1072 transitions. [2023-08-26 10:10:30,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 79 transitions, 310 flow [2023-08-26 10:10:30,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 79 transitions, 301 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-26 10:10:30,087 INFO L231 Difference]: Finished difference. Result has 61 places, 57 transitions, 141 flow [2023-08-26 10:10:30,087 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=888, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=141, PETRI_PLACES=61, PETRI_TRANSITIONS=57} [2023-08-26 10:10:30,087 INFO L281 CegarLoopForPetriNet]: 164 programPoint places, -103 predicate places. [2023-08-26 10:10:30,087 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 57 transitions, 141 flow [2023-08-26 10:10:30,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 345.3333333333333) internal successors, (1036), 3 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:30,088 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 10:10:30,088 INFO L208 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] [2023-08-26 10:10:30,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-26 10:10:30,088 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 183 more)] === [2023-08-26 10:10:30,089 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 10:10:30,089 INFO L85 PathProgramCache]: Analyzing trace with hash -185950604, now seen corresponding path program 1 times [2023-08-26 10:10:30,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 10:10:30,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985280071] [2023-08-26 10:10:30,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 10:10:30,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 10:10:30,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 10:10:30,191 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 10:10:30,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 10:10:30,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985280071] [2023-08-26 10:10:30,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985280071] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 10:10:30,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 10:10:30,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-26 10:10:30,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043609332] [2023-08-26 10:10:30,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 10:10:30,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-26 10:10:30,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 10:10:30,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-26 10:10:30,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-26 10:10:30,194 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 334 out of 888 [2023-08-26 10:10:30,195 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 57 transitions, 141 flow. Second operand has 3 states, 3 states have (on average 344.0) internal successors, (1032), 3 states have internal predecessors, (1032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:30,195 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 10:10:30,196 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 334 of 888 [2023-08-26 10:10:30,196 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 10:10:31,025 INFO L124 PetriNetUnfolderBase]: 5262/8038 cut-off events. [2023-08-26 10:10:31,025 INFO L125 PetriNetUnfolderBase]: For 819/1279 co-relation queries the response was YES. [2023-08-26 10:10:31,041 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16516 conditions, 8038 events. 5262/8038 cut-off events. For 819/1279 co-relation queries the response was YES. Maximal size of possible extension queue 247. Compared 42563 event pairs, 1877 based on Foata normal form. 240/7369 useless extension candidates. Maximal degree in co-relation 16511. Up to 4374 conditions per place. [2023-08-26 10:10:31,066 INFO L140 encePairwiseOnDemand]: 885/888 looper letters, 67 selfloop transitions, 2 changer transitions 0/85 dead transitions. [2023-08-26 10:10:31,066 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 85 transitions, 349 flow [2023-08-26 10:10:31,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-26 10:10:31,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-26 10:10:31,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1069 transitions. [2023-08-26 10:10:31,070 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40127627627627627 [2023-08-26 10:10:31,070 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1069 transitions. [2023-08-26 10:10:31,070 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1069 transitions. [2023-08-26 10:10:31,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 10:10:31,071 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1069 transitions. [2023-08-26 10:10:31,072 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 356.3333333333333) internal successors, (1069), 3 states have internal predecessors, (1069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:31,075 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 888.0) internal successors, (3552), 4 states have internal predecessors, (3552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:31,088 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 888.0) internal successors, (3552), 4 states have internal predecessors, (3552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:31,088 INFO L175 Difference]: Start difference. First operand has 61 places, 57 transitions, 141 flow. Second operand 3 states and 1069 transitions. [2023-08-26 10:10:31,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 85 transitions, 349 flow [2023-08-26 10:10:31,089 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 85 transitions, 345 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-26 10:10:31,090 INFO L231 Difference]: Finished difference. Result has 63 places, 58 transitions, 152 flow [2023-08-26 10:10:31,091 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=888, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=152, PETRI_PLACES=63, PETRI_TRANSITIONS=58} [2023-08-26 10:10:31,091 INFO L281 CegarLoopForPetriNet]: 164 programPoint places, -101 predicate places. [2023-08-26 10:10:31,091 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 58 transitions, 152 flow [2023-08-26 10:10:31,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 344.0) internal successors, (1032), 3 states have internal predecessors, (1032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:31,092 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 10:10:31,092 INFO L208 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] [2023-08-26 10:10:31,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-26 10:10:31,092 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 183 more)] === [2023-08-26 10:10:31,093 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 10:10:31,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1508949450, now seen corresponding path program 1 times [2023-08-26 10:10:31,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 10:10:31,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711350497] [2023-08-26 10:10:31,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 10:10:31,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 10:10:31,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 10:10:31,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 10:10:31,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 10:10:31,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711350497] [2023-08-26 10:10:31,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711350497] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 10:10:31,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 10:10:31,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-26 10:10:31,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229769484] [2023-08-26 10:10:31,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 10:10:31,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-26 10:10:31,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 10:10:31,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-26 10:10:31,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-26 10:10:31,201 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 334 out of 888 [2023-08-26 10:10:31,202 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 58 transitions, 152 flow. Second operand has 3 states, 3 states have (on average 344.0) internal successors, (1032), 3 states have internal predecessors, (1032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:31,202 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 10:10:31,202 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 334 of 888 [2023-08-26 10:10:31,202 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 10:10:32,228 INFO L124 PetriNetUnfolderBase]: 6531/9695 cut-off events. [2023-08-26 10:10:32,229 INFO L125 PetriNetUnfolderBase]: For 2168/2275 co-relation queries the response was YES. [2023-08-26 10:10:32,244 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20856 conditions, 9695 events. 6531/9695 cut-off events. For 2168/2275 co-relation queries the response was YES. Maximal size of possible extension queue 285. Compared 50629 event pairs, 2296 based on Foata normal form. 267/9139 useless extension candidates. Maximal degree in co-relation 20850. Up to 5585 conditions per place. [2023-08-26 10:10:32,271 INFO L140 encePairwiseOnDemand]: 885/888 looper letters, 67 selfloop transitions, 2 changer transitions 0/85 dead transitions. [2023-08-26 10:10:32,272 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 85 transitions, 365 flow [2023-08-26 10:10:32,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-26 10:10:32,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-26 10:10:32,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1067 transitions. [2023-08-26 10:10:32,275 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4005255255255255 [2023-08-26 10:10:32,275 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1067 transitions. [2023-08-26 10:10:32,275 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1067 transitions. [2023-08-26 10:10:32,276 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 10:10:32,276 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1067 transitions. [2023-08-26 10:10:32,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 355.6666666666667) internal successors, (1067), 3 states have internal predecessors, (1067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:32,281 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 888.0) internal successors, (3552), 4 states have internal predecessors, (3552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:32,282 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 888.0) internal successors, (3552), 4 states have internal predecessors, (3552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:32,282 INFO L175 Difference]: Start difference. First operand has 63 places, 58 transitions, 152 flow. Second operand 3 states and 1067 transitions. [2023-08-26 10:10:32,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 85 transitions, 365 flow [2023-08-26 10:10:32,284 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 85 transitions, 362 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-26 10:10:32,287 INFO L231 Difference]: Finished difference. Result has 65 places, 59 transitions, 164 flow [2023-08-26 10:10:32,287 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=888, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=164, PETRI_PLACES=65, PETRI_TRANSITIONS=59} [2023-08-26 10:10:32,290 INFO L281 CegarLoopForPetriNet]: 164 programPoint places, -99 predicate places. [2023-08-26 10:10:32,290 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 59 transitions, 164 flow [2023-08-26 10:10:32,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 344.0) internal successors, (1032), 3 states have internal predecessors, (1032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:32,290 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 10:10:32,291 INFO L208 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] [2023-08-26 10:10:32,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-26 10:10:32,291 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 183 more)] === [2023-08-26 10:10:32,291 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 10:10:32,291 INFO L85 PathProgramCache]: Analyzing trace with hash -540945148, now seen corresponding path program 1 times [2023-08-26 10:10:32,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 10:10:32,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156366673] [2023-08-26 10:10:32,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 10:10:32,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 10:10:32,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 10:10:32,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-26 10:10:32,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 10:10:32,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156366673] [2023-08-26 10:10:32,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156366673] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 10:10:32,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 10:10:32,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-26 10:10:32,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854082537] [2023-08-26 10:10:32,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 10:10:32,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-26 10:10:32,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 10:10:32,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-26 10:10:32,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-26 10:10:32,469 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 281 out of 888 [2023-08-26 10:10:32,470 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 59 transitions, 164 flow. Second operand has 4 states, 4 states have (on average 289.0) internal successors, (1156), 4 states have internal predecessors, (1156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:32,470 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 10:10:32,470 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 281 of 888 [2023-08-26 10:10:32,470 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 10:10:33,832 INFO L124 PetriNetUnfolderBase]: 8687/14133 cut-off events. [2023-08-26 10:10:33,832 INFO L125 PetriNetUnfolderBase]: For 3617/3617 co-relation queries the response was YES. [2023-08-26 10:10:33,857 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30538 conditions, 14133 events. 8687/14133 cut-off events. For 3617/3617 co-relation queries the response was YES. Maximal size of possible extension queue 417. Compared 88274 event pairs, 7134 based on Foata normal form. 212/14111 useless extension candidates. Maximal degree in co-relation 30531. Up to 8792 conditions per place. [2023-08-26 10:10:33,892 INFO L140 encePairwiseOnDemand]: 883/888 looper letters, 75 selfloop transitions, 4 changer transitions 0/95 dead transitions. [2023-08-26 10:10:33,893 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 95 transitions, 417 flow [2023-08-26 10:10:33,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-26 10:10:33,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-26 10:10:33,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1479 transitions. [2023-08-26 10:10:33,897 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3331081081081081 [2023-08-26 10:10:33,897 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1479 transitions. [2023-08-26 10:10:33,897 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1479 transitions. [2023-08-26 10:10:33,898 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 10:10:33,898 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1479 transitions. [2023-08-26 10:10:33,900 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 295.8) internal successors, (1479), 5 states have internal predecessors, (1479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:33,905 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 888.0) internal successors, (5328), 6 states have internal predecessors, (5328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:33,906 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 888.0) internal successors, (5328), 6 states have internal predecessors, (5328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:33,906 INFO L175 Difference]: Start difference. First operand has 65 places, 59 transitions, 164 flow. Second operand 5 states and 1479 transitions. [2023-08-26 10:10:33,906 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 95 transitions, 417 flow [2023-08-26 10:10:33,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 95 transitions, 414 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-26 10:10:33,909 INFO L231 Difference]: Finished difference. Result has 71 places, 62 transitions, 190 flow [2023-08-26 10:10:33,910 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=888, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=190, PETRI_PLACES=71, PETRI_TRANSITIONS=62} [2023-08-26 10:10:33,910 INFO L281 CegarLoopForPetriNet]: 164 programPoint places, -93 predicate places. [2023-08-26 10:10:33,910 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 62 transitions, 190 flow [2023-08-26 10:10:33,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 289.0) internal successors, (1156), 4 states have internal predecessors, (1156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:33,911 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 10:10:33,911 INFO L208 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] [2023-08-26 10:10:33,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-26 10:10:33,911 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 183 more)] === [2023-08-26 10:10:33,911 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 10:10:33,911 INFO L85 PathProgramCache]: Analyzing trace with hash -59381859, now seen corresponding path program 1 times [2023-08-26 10:10:33,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 10:10:33,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882486240] [2023-08-26 10:10:33,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 10:10:33,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 10:10:33,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 10:10:34,059 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-26 10:10:34,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 10:10:34,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882486240] [2023-08-26 10:10:34,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882486240] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 10:10:34,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 10:10:34,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-26 10:10:34,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919010607] [2023-08-26 10:10:34,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 10:10:34,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-26 10:10:34,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 10:10:34,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-26 10:10:34,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-26 10:10:34,063 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 281 out of 888 [2023-08-26 10:10:34,064 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 62 transitions, 190 flow. Second operand has 4 states, 4 states have (on average 289.0) internal successors, (1156), 4 states have internal predecessors, (1156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:34,064 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 10:10:34,064 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 281 of 888 [2023-08-26 10:10:34,064 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 10:10:35,904 INFO L124 PetriNetUnfolderBase]: 11581/19236 cut-off events. [2023-08-26 10:10:35,904 INFO L125 PetriNetUnfolderBase]: For 5105/5105 co-relation queries the response was YES. [2023-08-26 10:10:35,964 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40729 conditions, 19236 events. 11581/19236 cut-off events. For 5105/5105 co-relation queries the response was YES. Maximal size of possible extension queue 548. Compared 130222 event pairs, 9776 based on Foata normal form. 378/19303 useless extension candidates. Maximal degree in co-relation 40719. Up to 11826 conditions per place. [2023-08-26 10:10:36,010 INFO L140 encePairwiseOnDemand]: 882/888 looper letters, 76 selfloop transitions, 6 changer transitions 2/100 dead transitions. [2023-08-26 10:10:36,011 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 100 transitions, 470 flow [2023-08-26 10:10:36,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-26 10:10:36,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-26 10:10:36,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1479 transitions. [2023-08-26 10:10:36,015 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3331081081081081 [2023-08-26 10:10:36,015 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1479 transitions. [2023-08-26 10:10:36,016 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1479 transitions. [2023-08-26 10:10:36,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 10:10:36,016 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1479 transitions. [2023-08-26 10:10:36,019 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 295.8) internal successors, (1479), 5 states have internal predecessors, (1479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:36,025 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 888.0) internal successors, (5328), 6 states have internal predecessors, (5328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:36,026 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 888.0) internal successors, (5328), 6 states have internal predecessors, (5328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:36,026 INFO L175 Difference]: Start difference. First operand has 71 places, 62 transitions, 190 flow. Second operand 5 states and 1479 transitions. [2023-08-26 10:10:36,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 100 transitions, 470 flow [2023-08-26 10:10:36,032 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 100 transitions, 466 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-26 10:10:36,034 INFO L231 Difference]: Finished difference. Result has 77 places, 66 transitions, 229 flow [2023-08-26 10:10:36,034 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=888, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=229, PETRI_PLACES=77, PETRI_TRANSITIONS=66} [2023-08-26 10:10:36,035 INFO L281 CegarLoopForPetriNet]: 164 programPoint places, -87 predicate places. [2023-08-26 10:10:36,035 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 66 transitions, 229 flow [2023-08-26 10:10:36,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 289.0) internal successors, (1156), 4 states have internal predecessors, (1156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:36,036 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 10:10:36,036 INFO L208 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] [2023-08-26 10:10:36,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-26 10:10:36,036 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 183 more)] === [2023-08-26 10:10:36,036 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 10:10:36,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1882662710, now seen corresponding path program 1 times [2023-08-26 10:10:36,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 10:10:36,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633999562] [2023-08-26 10:10:36,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 10:10:36,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 10:10:36,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 10:10:36,427 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-26 10:10:36,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 10:10:36,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633999562] [2023-08-26 10:10:36,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633999562] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 10:10:36,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 10:10:36,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-26 10:10:36,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405767579] [2023-08-26 10:10:36,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 10:10:36,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-26 10:10:36,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 10:10:36,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-26 10:10:36,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-08-26 10:10:36,431 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 888 [2023-08-26 10:10:36,432 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 66 transitions, 229 flow. Second operand has 6 states, 6 states have (on average 282.5) internal successors, (1695), 6 states have internal predecessors, (1695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:36,432 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 10:10:36,432 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 888 [2023-08-26 10:10:36,432 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 10:10:38,915 INFO L124 PetriNetUnfolderBase]: 16511/27186 cut-off events. [2023-08-26 10:10:38,916 INFO L125 PetriNetUnfolderBase]: For 7583/10058 co-relation queries the response was YES. [2023-08-26 10:10:38,990 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57884 conditions, 27186 events. 16511/27186 cut-off events. For 7583/10058 co-relation queries the response was YES. Maximal size of possible extension queue 711. Compared 195190 event pairs, 6486 based on Foata normal form. 364/27242 useless extension candidates. Maximal degree in co-relation 57871. Up to 8014 conditions per place. [2023-08-26 10:10:39,048 INFO L140 encePairwiseOnDemand]: 882/888 looper letters, 120 selfloop transitions, 9 changer transitions 1/146 dead transitions. [2023-08-26 10:10:39,048 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 146 transitions, 725 flow [2023-08-26 10:10:39,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-26 10:10:39,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-26 10:10:39,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1776 transitions. [2023-08-26 10:10:39,053 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3333333333333333 [2023-08-26 10:10:39,053 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1776 transitions. [2023-08-26 10:10:39,053 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1776 transitions. [2023-08-26 10:10:39,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 10:10:39,054 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1776 transitions. [2023-08-26 10:10:39,057 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 296.0) internal successors, (1776), 6 states have internal predecessors, (1776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:39,063 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 888.0) internal successors, (6216), 7 states have internal predecessors, (6216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:39,064 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 888.0) internal successors, (6216), 7 states have internal predecessors, (6216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:39,064 INFO L175 Difference]: Start difference. First operand has 77 places, 66 transitions, 229 flow. Second operand 6 states and 1776 transitions. [2023-08-26 10:10:39,064 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 146 transitions, 725 flow [2023-08-26 10:10:39,069 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 146 transitions, 718 flow, removed 2 selfloop flow, removed 1 redundant places. [2023-08-26 10:10:39,071 INFO L231 Difference]: Finished difference. Result has 83 places, 69 transitions, 269 flow [2023-08-26 10:10:39,071 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=888, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=269, PETRI_PLACES=83, PETRI_TRANSITIONS=69} [2023-08-26 10:10:39,071 INFO L281 CegarLoopForPetriNet]: 164 programPoint places, -81 predicate places. [2023-08-26 10:10:39,072 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 69 transitions, 269 flow [2023-08-26 10:10:39,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 282.5) internal successors, (1695), 6 states have internal predecessors, (1695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:39,072 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 10:10:39,072 INFO L208 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] [2023-08-26 10:10:39,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-26 10:10:39,073 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 183 more)] === [2023-08-26 10:10:39,073 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 10:10:39,073 INFO L85 PathProgramCache]: Analyzing trace with hash -776871904, now seen corresponding path program 1 times [2023-08-26 10:10:39,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 10:10:39,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991303844] [2023-08-26 10:10:39,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 10:10:39,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 10:10:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 10:10:39,409 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-26 10:10:39,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 10:10:39,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991303844] [2023-08-26 10:10:39,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991303844] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 10:10:39,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 10:10:39,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-26 10:10:39,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977383060] [2023-08-26 10:10:39,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 10:10:39,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-26 10:10:39,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 10:10:39,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-26 10:10:39,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-08-26 10:10:39,414 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 888 [2023-08-26 10:10:39,415 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 69 transitions, 269 flow. Second operand has 6 states, 6 states have (on average 282.5) internal successors, (1695), 6 states have internal predecessors, (1695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:39,415 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 10:10:39,415 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 888 [2023-08-26 10:10:39,415 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 10:10:41,069 INFO L124 PetriNetUnfolderBase]: 12827/21508 cut-off events. [2023-08-26 10:10:41,069 INFO L125 PetriNetUnfolderBase]: For 7439/7439 co-relation queries the response was YES. [2023-08-26 10:10:41,130 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46691 conditions, 21508 events. 12827/21508 cut-off events. For 7439/7439 co-relation queries the response was YES. Maximal size of possible extension queue 578. Compared 150205 event pairs, 10088 based on Foata normal form. 192/21352 useless extension candidates. Maximal degree in co-relation 46676. Up to 15976 conditions per place. [2023-08-26 10:10:41,178 INFO L140 encePairwiseOnDemand]: 882/888 looper letters, 45 selfloop transitions, 5 changer transitions 38/104 dead transitions. [2023-08-26 10:10:41,178 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 104 transitions, 529 flow [2023-08-26 10:10:41,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-26 10:10:41,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-26 10:10:41,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1740 transitions. [2023-08-26 10:10:41,184 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.32657657657657657 [2023-08-26 10:10:41,184 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1740 transitions. [2023-08-26 10:10:41,184 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1740 transitions. [2023-08-26 10:10:41,185 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 10:10:41,185 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1740 transitions. [2023-08-26 10:10:41,187 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 290.0) internal successors, (1740), 6 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:41,193 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 888.0) internal successors, (6216), 7 states have internal predecessors, (6216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:41,194 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 888.0) internal successors, (6216), 7 states have internal predecessors, (6216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:41,194 INFO L175 Difference]: Start difference. First operand has 83 places, 69 transitions, 269 flow. Second operand 6 states and 1740 transitions. [2023-08-26 10:10:41,194 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 104 transitions, 529 flow [2023-08-26 10:10:41,203 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 104 transitions, 517 flow, removed 4 selfloop flow, removed 2 redundant places. [2023-08-26 10:10:41,204 INFO L231 Difference]: Finished difference. Result has 88 places, 66 transitions, 244 flow [2023-08-26 10:10:41,205 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=888, PETRI_DIFFERENCE_MINUEND_FLOW=257, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=244, PETRI_PLACES=88, PETRI_TRANSITIONS=66} [2023-08-26 10:10:41,205 INFO L281 CegarLoopForPetriNet]: 164 programPoint places, -76 predicate places. [2023-08-26 10:10:41,205 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 66 transitions, 244 flow [2023-08-26 10:10:41,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 282.5) internal successors, (1695), 6 states have internal predecessors, (1695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:41,206 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 10:10:41,206 INFO L208 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] [2023-08-26 10:10:41,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-26 10:10:41,206 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 183 more)] === [2023-08-26 10:10:41,206 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 10:10:41,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1024186215, now seen corresponding path program 1 times [2023-08-26 10:10:41,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 10:10:41,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254612584] [2023-08-26 10:10:41,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 10:10:41,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 10:10:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 10:10:41,583 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-26 10:10:41,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 10:10:41,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254612584] [2023-08-26 10:10:41,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254612584] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-26 10:10:41,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1169822528] [2023-08-26 10:10:41,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 10:10:41,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-26 10:10:41,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 10:10:41,589 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) [2023-08-26 10:10:41,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-08-26 10:10:41,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 10:10:41,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 12 conjunts are in the unsatisfiable core [2023-08-26 10:10:41,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-26 10:10:42,058 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-26 10:10:42,058 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-26 10:10:42,230 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-26 10:10:42,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1169822528] provided 1 perfect and 1 imperfect interpolant sequences [2023-08-26 10:10:42,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-08-26 10:10:42,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6, 5] total 16 [2023-08-26 10:10:42,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362640369] [2023-08-26 10:10:42,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 10:10:42,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-26 10:10:42,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 10:10:42,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-26 10:10:42,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2023-08-26 10:10:42,233 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 274 out of 888 [2023-08-26 10:10:42,235 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 66 transitions, 244 flow. Second operand has 8 states, 8 states have (on average 278.25) internal successors, (2226), 8 states have internal predecessors, (2226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:42,235 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 10:10:42,235 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 274 of 888 [2023-08-26 10:10:42,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 10:10:44,342 INFO L124 PetriNetUnfolderBase]: 12299/18936 cut-off events. [2023-08-26 10:10:44,343 INFO L125 PetriNetUnfolderBase]: For 8777/11768 co-relation queries the response was YES. [2023-08-26 10:10:44,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43405 conditions, 18936 events. 12299/18936 cut-off events. For 8777/11768 co-relation queries the response was YES. Maximal size of possible extension queue 556. Compared 119521 event pairs, 560 based on Foata normal form. 524/19340 useless extension candidates. Maximal degree in co-relation 43388. Up to 3505 conditions per place. [2023-08-26 10:10:44,414 INFO L140 encePairwiseOnDemand]: 879/888 looper letters, 195 selfloop transitions, 17 changer transitions 3/231 dead transitions. [2023-08-26 10:10:44,414 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 231 transitions, 1178 flow [2023-08-26 10:10:44,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-26 10:10:44,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-26 10:10:44,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3204 transitions. [2023-08-26 10:10:44,422 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.32800982800982803 [2023-08-26 10:10:44,422 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 3204 transitions. [2023-08-26 10:10:44,422 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 3204 transitions. [2023-08-26 10:10:44,423 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 10:10:44,424 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3204 transitions. [2023-08-26 10:10:44,428 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 291.27272727272725) internal successors, (3204), 11 states have internal predecessors, (3204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:44,437 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 888.0) internal successors, (10656), 12 states have internal predecessors, (10656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:44,439 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 888.0) internal successors, (10656), 12 states have internal predecessors, (10656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:44,439 INFO L175 Difference]: Start difference. First operand has 88 places, 66 transitions, 244 flow. Second operand 11 states and 3204 transitions. [2023-08-26 10:10:44,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 231 transitions, 1178 flow [2023-08-26 10:10:44,461 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 231 transitions, 1144 flow, removed 12 selfloop flow, removed 6 redundant places. [2023-08-26 10:10:44,463 INFO L231 Difference]: Finished difference. Result has 92 places, 78 transitions, 320 flow [2023-08-26 10:10:44,463 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=888, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=320, PETRI_PLACES=92, PETRI_TRANSITIONS=78} [2023-08-26 10:10:44,465 INFO L281 CegarLoopForPetriNet]: 164 programPoint places, -72 predicate places. [2023-08-26 10:10:44,465 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 78 transitions, 320 flow [2023-08-26 10:10:44,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 278.25) internal successors, (2226), 8 states have internal predecessors, (2226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:44,465 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 10:10:44,466 INFO L208 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] [2023-08-26 10:10:44,473 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-08-26 10:10:44,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-08-26 10:10:44,673 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 183 more)] === [2023-08-26 10:10:44,673 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 10:10:44,673 INFO L85 PathProgramCache]: Analyzing trace with hash -2068624733, now seen corresponding path program 2 times [2023-08-26 10:10:44,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 10:10:44,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870353160] [2023-08-26 10:10:44,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 10:10:44,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 10:10:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 10:10:45,129 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-26 10:10:45,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 10:10:45,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870353160] [2023-08-26 10:10:45,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870353160] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-26 10:10:45,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1845823080] [2023-08-26 10:10:45,130 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-08-26 10:10:45,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-26 10:10:45,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 10:10:45,131 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) [2023-08-26 10:10:45,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-08-26 10:10:45,663 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-08-26 10:10:45,663 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-26 10:10:45,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 12 conjunts are in the unsatisfiable core [2023-08-26 10:10:45,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-26 10:10:45,834 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-26 10:10:45,835 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-26 10:10:46,000 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-26 10:10:46,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1845823080] provided 1 perfect and 1 imperfect interpolant sequences [2023-08-26 10:10:46,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-08-26 10:10:46,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6, 7] total 18 [2023-08-26 10:10:46,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072071874] [2023-08-26 10:10:46,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 10:10:46,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-26 10:10:46,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 10:10:46,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-26 10:10:46,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342 [2023-08-26 10:10:46,005 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 274 out of 888 [2023-08-26 10:10:46,007 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 78 transitions, 320 flow. Second operand has 8 states, 8 states have (on average 278.25) internal successors, (2226), 8 states have internal predecessors, (2226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:46,007 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 10:10:46,007 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 274 of 888 [2023-08-26 10:10:46,007 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 10:10:48,613 INFO L124 PetriNetUnfolderBase]: 13971/22025 cut-off events. [2023-08-26 10:10:48,614 INFO L125 PetriNetUnfolderBase]: For 16494/18932 co-relation queries the response was YES. [2023-08-26 10:10:48,695 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58605 conditions, 22025 events. 13971/22025 cut-off events. For 16494/18932 co-relation queries the response was YES. Maximal size of possible extension queue 642. Compared 145373 event pairs, 1032 based on Foata normal form. 372/22287 useless extension candidates. Maximal degree in co-relation 58587. Up to 5286 conditions per place. [2023-08-26 10:10:48,746 INFO L140 encePairwiseOnDemand]: 880/888 looper letters, 176 selfloop transitions, 20 changer transitions 10/222 dead transitions. [2023-08-26 10:10:48,746 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 222 transitions, 1231 flow [2023-08-26 10:10:48,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-26 10:10:48,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-26 10:10:48,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2639 transitions. [2023-08-26 10:10:48,754 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3302052052052052 [2023-08-26 10:10:48,754 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2639 transitions. [2023-08-26 10:10:48,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2639 transitions. [2023-08-26 10:10:48,756 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 10:10:48,756 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2639 transitions. [2023-08-26 10:10:48,761 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 293.22222222222223) internal successors, (2639), 9 states have internal predecessors, (2639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:48,769 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 888.0) internal successors, (8880), 10 states have internal predecessors, (8880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:48,770 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 888.0) internal successors, (8880), 10 states have internal predecessors, (8880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:48,770 INFO L175 Difference]: Start difference. First operand has 92 places, 78 transitions, 320 flow. Second operand 9 states and 2639 transitions. [2023-08-26 10:10:48,771 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 222 transitions, 1231 flow [2023-08-26 10:10:48,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 222 transitions, 1206 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-26 10:10:48,923 INFO L231 Difference]: Finished difference. Result has 102 places, 89 transitions, 440 flow [2023-08-26 10:10:48,924 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=888, PETRI_DIFFERENCE_MINUEND_FLOW=307, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=440, PETRI_PLACES=102, PETRI_TRANSITIONS=89} [2023-08-26 10:10:48,924 INFO L281 CegarLoopForPetriNet]: 164 programPoint places, -62 predicate places. [2023-08-26 10:10:48,924 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 89 transitions, 440 flow [2023-08-26 10:10:48,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 278.25) internal successors, (2226), 8 states have internal predecessors, (2226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:48,925 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 10:10:48,925 INFO L208 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] [2023-08-26 10:10:48,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-08-26 10:10:49,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-08-26 10:10:49,129 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 183 more)] === [2023-08-26 10:10:49,129 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 10:10:49,130 INFO L85 PathProgramCache]: Analyzing trace with hash 650993535, now seen corresponding path program 3 times [2023-08-26 10:10:49,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 10:10:49,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43925891] [2023-08-26 10:10:49,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 10:10:49,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 10:10:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 10:10:49,501 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-26 10:10:49,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 10:10:49,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43925891] [2023-08-26 10:10:49,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43925891] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 10:10:49,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 10:10:49,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-26 10:10:49,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947111471] [2023-08-26 10:10:49,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 10:10:49,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-26 10:10:49,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 10:10:49,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-26 10:10:49,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-08-26 10:10:49,505 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 888 [2023-08-26 10:10:49,507 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 89 transitions, 440 flow. Second operand has 7 states, 7 states have (on average 281.85714285714283) internal successors, (1973), 7 states have internal predecessors, (1973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:49,507 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 10:10:49,507 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 888 [2023-08-26 10:10:49,507 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 10:10:51,426 INFO L124 PetriNetUnfolderBase]: 12719/19399 cut-off events. [2023-08-26 10:10:51,427 INFO L125 PetriNetUnfolderBase]: For 22174/22426 co-relation queries the response was YES. [2023-08-26 10:10:51,493 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56926 conditions, 19399 events. 12719/19399 cut-off events. For 22174/22426 co-relation queries the response was YES. Maximal size of possible extension queue 530. Compared 117173 event pairs, 1332 based on Foata normal form. 620/20019 useless extension candidates. Maximal degree in co-relation 56903. Up to 10671 conditions per place. [2023-08-26 10:10:51,535 INFO L140 encePairwiseOnDemand]: 881/888 looper letters, 106 selfloop transitions, 19 changer transitions 2/143 dead transitions. [2023-08-26 10:10:51,535 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 143 transitions, 880 flow [2023-08-26 10:10:51,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-26 10:10:51,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-26 10:10:51,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2035 transitions. [2023-08-26 10:10:51,539 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3273809523809524 [2023-08-26 10:10:51,540 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2035 transitions. [2023-08-26 10:10:51,540 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2035 transitions. [2023-08-26 10:10:51,541 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 10:10:51,541 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2035 transitions. [2023-08-26 10:10:51,544 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 290.7142857142857) internal successors, (2035), 7 states have internal predecessors, (2035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:51,549 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 888.0) internal successors, (7104), 8 states have internal predecessors, (7104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:51,550 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 888.0) internal successors, (7104), 8 states have internal predecessors, (7104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:51,550 INFO L175 Difference]: Start difference. First operand has 102 places, 89 transitions, 440 flow. Second operand 7 states and 2035 transitions. [2023-08-26 10:10:51,550 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 143 transitions, 880 flow [2023-08-26 10:10:51,647 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 143 transitions, 844 flow, removed 16 selfloop flow, removed 3 redundant places. [2023-08-26 10:10:51,648 INFO L231 Difference]: Finished difference. Result has 104 places, 85 transitions, 445 flow [2023-08-26 10:10:51,648 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=888, PETRI_DIFFERENCE_MINUEND_FLOW=392, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=445, PETRI_PLACES=104, PETRI_TRANSITIONS=85} [2023-08-26 10:10:51,649 INFO L281 CegarLoopForPetriNet]: 164 programPoint places, -60 predicate places. [2023-08-26 10:10:51,649 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 85 transitions, 445 flow [2023-08-26 10:10:51,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 281.85714285714283) internal successors, (1973), 7 states have internal predecessors, (1973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:51,649 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 10:10:51,649 INFO L208 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] [2023-08-26 10:10:51,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-26 10:10:51,650 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 183 more)] === [2023-08-26 10:10:51,650 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 10:10:51,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1986480171, now seen corresponding path program 1 times [2023-08-26 10:10:51,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 10:10:51,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708741351] [2023-08-26 10:10:51,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 10:10:51,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 10:10:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 10:10:51,960 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-26 10:10:51,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 10:10:51,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708741351] [2023-08-26 10:10:51,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708741351] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-26 10:10:51,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [718018764] [2023-08-26 10:10:51,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 10:10:51,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-26 10:10:51,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 10:10:51,962 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) [2023-08-26 10:10:51,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-08-26 10:10:52,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 10:10:52,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 12 conjunts are in the unsatisfiable core [2023-08-26 10:10:52,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-26 10:10:52,420 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-26 10:10:52,420 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-26 10:10:52,599 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-26 10:10:52,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [718018764] provided 1 perfect and 1 imperfect interpolant sequences [2023-08-26 10:10:52,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-08-26 10:10:52,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5, 7] total 17 [2023-08-26 10:10:52,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482396242] [2023-08-26 10:10:52,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 10:10:52,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-26 10:10:52,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 10:10:52,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-26 10:10:52,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2023-08-26 10:10:52,604 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 274 out of 888 [2023-08-26 10:10:52,605 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 85 transitions, 445 flow. Second operand has 8 states, 8 states have (on average 278.25) internal successors, (2226), 8 states have internal predecessors, (2226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:52,605 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 10:10:52,605 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 274 of 888 [2023-08-26 10:10:52,605 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 10:10:55,270 INFO L124 PetriNetUnfolderBase]: 16364/25345 cut-off events. [2023-08-26 10:10:55,270 INFO L125 PetriNetUnfolderBase]: For 28553/32058 co-relation queries the response was YES. [2023-08-26 10:10:55,393 INFO L83 FinitePrefix]: Finished finitePrefix Result has 74360 conditions, 25345 events. 16364/25345 cut-off events. For 28553/32058 co-relation queries the response was YES. Maximal size of possible extension queue 701. Compared 166031 event pairs, 1214 based on Foata normal form. 532/25757 useless extension candidates. Maximal degree in co-relation 74338. Up to 4690 conditions per place. [2023-08-26 10:10:55,456 INFO L140 encePairwiseOnDemand]: 878/888 looper letters, 216 selfloop transitions, 29 changer transitions 0/261 dead transitions. [2023-08-26 10:10:55,456 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 261 transitions, 1651 flow [2023-08-26 10:10:55,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-26 10:10:55,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-26 10:10:55,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2652 transitions. [2023-08-26 10:10:55,461 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.33183183183183185 [2023-08-26 10:10:55,462 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2652 transitions. [2023-08-26 10:10:55,462 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2652 transitions. [2023-08-26 10:10:55,463 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 10:10:55,463 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2652 transitions. [2023-08-26 10:10:55,467 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 294.6666666666667) internal successors, (2652), 9 states have internal predecessors, (2652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:55,473 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 888.0) internal successors, (8880), 10 states have internal predecessors, (8880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:55,474 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 888.0) internal successors, (8880), 10 states have internal predecessors, (8880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:55,474 INFO L175 Difference]: Start difference. First operand has 104 places, 85 transitions, 445 flow. Second operand 9 states and 2652 transitions. [2023-08-26 10:10:55,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 261 transitions, 1651 flow [2023-08-26 10:10:55,644 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 261 transitions, 1584 flow, removed 12 selfloop flow, removed 7 redundant places. [2023-08-26 10:10:55,646 INFO L231 Difference]: Finished difference. Result has 109 places, 106 transitions, 688 flow [2023-08-26 10:10:55,646 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=888, PETRI_DIFFERENCE_MINUEND_FLOW=401, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=688, PETRI_PLACES=109, PETRI_TRANSITIONS=106} [2023-08-26 10:10:55,648 INFO L281 CegarLoopForPetriNet]: 164 programPoint places, -55 predicate places. [2023-08-26 10:10:55,648 INFO L495 AbstractCegarLoop]: Abstraction has has 109 places, 106 transitions, 688 flow [2023-08-26 10:10:55,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 278.25) internal successors, (2226), 8 states have internal predecessors, (2226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:55,648 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 10:10:55,648 INFO L208 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] [2023-08-26 10:10:55,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-08-26 10:10:55,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-26 10:10:55,855 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 183 more)] === [2023-08-26 10:10:55,855 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 10:10:55,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1181323079, now seen corresponding path program 2 times [2023-08-26 10:10:55,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 10:10:55,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615374141] [2023-08-26 10:10:55,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 10:10:55,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 10:10:55,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 10:10:56,192 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-26 10:10:56,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 10:10:56,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615374141] [2023-08-26 10:10:56,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615374141] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 10:10:56,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 10:10:56,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-26 10:10:56,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638915145] [2023-08-26 10:10:56,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 10:10:56,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-26 10:10:56,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 10:10:56,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-26 10:10:56,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-08-26 10:10:56,195 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 888 [2023-08-26 10:10:56,196 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 106 transitions, 688 flow. Second operand has 6 states, 6 states have (on average 282.6666666666667) internal successors, (1696), 6 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:56,196 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 10:10:56,197 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 888 [2023-08-26 10:10:56,197 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 10:10:58,106 INFO L124 PetriNetUnfolderBase]: 12636/18761 cut-off events. [2023-08-26 10:10:58,106 INFO L125 PetriNetUnfolderBase]: For 38238/38964 co-relation queries the response was YES. [2023-08-26 10:10:58,166 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64004 conditions, 18761 events. 12636/18761 cut-off events. For 38238/38964 co-relation queries the response was YES. Maximal size of possible extension queue 516. Compared 109568 event pairs, 1506 based on Foata normal form. 945/19580 useless extension candidates. Maximal degree in co-relation 63979. Up to 8148 conditions per place. [2023-08-26 10:10:58,210 INFO L140 encePairwiseOnDemand]: 881/888 looper letters, 127 selfloop transitions, 12 changer transitions 2/157 dead transitions. [2023-08-26 10:10:58,210 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 157 transitions, 1135 flow [2023-08-26 10:10:58,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-26 10:10:58,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-26 10:10:58,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2035 transitions. [2023-08-26 10:10:58,215 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3273809523809524 [2023-08-26 10:10:58,215 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2035 transitions. [2023-08-26 10:10:58,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2035 transitions. [2023-08-26 10:10:58,216 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 10:10:58,216 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2035 transitions. [2023-08-26 10:10:58,220 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 290.7142857142857) internal successors, (2035), 7 states have internal predecessors, (2035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:58,224 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 888.0) internal successors, (7104), 8 states have internal predecessors, (7104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:58,225 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 888.0) internal successors, (7104), 8 states have internal predecessors, (7104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:58,225 INFO L175 Difference]: Start difference. First operand has 109 places, 106 transitions, 688 flow. Second operand 7 states and 2035 transitions. [2023-08-26 10:10:58,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 157 transitions, 1135 flow [2023-08-26 10:10:58,599 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 157 transitions, 1098 flow, removed 11 selfloop flow, removed 2 redundant places. [2023-08-26 10:10:58,600 INFO L231 Difference]: Finished difference. Result has 115 places, 96 transitions, 587 flow [2023-08-26 10:10:58,600 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=888, PETRI_DIFFERENCE_MINUEND_FLOW=549, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=587, PETRI_PLACES=115, PETRI_TRANSITIONS=96} [2023-08-26 10:10:58,601 INFO L281 CegarLoopForPetriNet]: 164 programPoint places, -49 predicate places. [2023-08-26 10:10:58,601 INFO L495 AbstractCegarLoop]: Abstraction has has 115 places, 96 transitions, 587 flow [2023-08-26 10:10:58,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 282.6666666666667) internal successors, (1696), 6 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:58,602 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 10:10:58,602 INFO L208 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] [2023-08-26 10:10:58,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-26 10:10:58,602 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 183 more)] === [2023-08-26 10:10:58,602 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 10:10:58,602 INFO L85 PathProgramCache]: Analyzing trace with hash 2133193789, now seen corresponding path program 1 times [2023-08-26 10:10:58,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 10:10:58,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9554479] [2023-08-26 10:10:58,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 10:10:58,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 10:10:58,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 10:10:59,000 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-26 10:10:59,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 10:10:59,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9554479] [2023-08-26 10:10:59,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9554479] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-26 10:10:59,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [463941970] [2023-08-26 10:10:59,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 10:10:59,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-26 10:10:59,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 10:10:59,002 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) [2023-08-26 10:10:59,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-08-26 10:10:59,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 10:10:59,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 11 conjunts are in the unsatisfiable core [2023-08-26 10:10:59,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-26 10:10:59,539 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-26 10:10:59,539 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-26 10:10:59,735 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-26 10:10:59,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [463941970] provided 1 perfect and 1 imperfect interpolant sequences [2023-08-26 10:10:59,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-08-26 10:10:59,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6, 7] total 17 [2023-08-26 10:10:59,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796449033] [2023-08-26 10:10:59,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 10:10:59,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-26 10:10:59,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 10:10:59,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-26 10:10:59,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2023-08-26 10:10:59,738 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 274 out of 888 [2023-08-26 10:10:59,739 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 96 transitions, 587 flow. Second operand has 8 states, 8 states have (on average 278.625) internal successors, (2229), 8 states have internal predecessors, (2229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:10:59,739 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 10:10:59,739 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 274 of 888 [2023-08-26 10:10:59,740 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 10:11:02,702 INFO L124 PetriNetUnfolderBase]: 13371/19698 cut-off events. [2023-08-26 10:11:02,702 INFO L125 PetriNetUnfolderBase]: For 45362/45719 co-relation queries the response was YES. [2023-08-26 10:11:02,807 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68615 conditions, 19698 events. 13371/19698 cut-off events. For 45362/45719 co-relation queries the response was YES. Maximal size of possible extension queue 605. Compared 113846 event pairs, 1012 based on Foata normal form. 785/20482 useless extension candidates. Maximal degree in co-relation 68587. Up to 7348 conditions per place. [2023-08-26 10:11:02,867 INFO L140 encePairwiseOnDemand]: 879/888 looper letters, 198 selfloop transitions, 30 changer transitions 0/244 dead transitions. [2023-08-26 10:11:02,867 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 244 transitions, 1797 flow [2023-08-26 10:11:02,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-26 10:11:02,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-26 10:11:02,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2623 transitions. [2023-08-26 10:11:02,872 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.32820320320320323 [2023-08-26 10:11:02,872 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2623 transitions. [2023-08-26 10:11:02,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2623 transitions. [2023-08-26 10:11:02,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 10:11:02,873 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2623 transitions. [2023-08-26 10:11:02,876 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 291.44444444444446) internal successors, (2623), 9 states have internal predecessors, (2623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:11:02,881 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 888.0) internal successors, (8880), 10 states have internal predecessors, (8880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:11:02,882 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 888.0) internal successors, (8880), 10 states have internal predecessors, (8880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:11:02,882 INFO L175 Difference]: Start difference. First operand has 115 places, 96 transitions, 587 flow. Second operand 9 states and 2623 transitions. [2023-08-26 10:11:02,882 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 244 transitions, 1797 flow [2023-08-26 10:11:03,134 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 244 transitions, 1721 flow, removed 20 selfloop flow, removed 8 redundant places. [2023-08-26 10:11:03,137 INFO L231 Difference]: Finished difference. Result has 119 places, 112 transitions, 794 flow [2023-08-26 10:11:03,137 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=888, PETRI_DIFFERENCE_MINUEND_FLOW=548, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=794, PETRI_PLACES=119, PETRI_TRANSITIONS=112} [2023-08-26 10:11:03,137 INFO L281 CegarLoopForPetriNet]: 164 programPoint places, -45 predicate places. [2023-08-26 10:11:03,138 INFO L495 AbstractCegarLoop]: Abstraction has has 119 places, 112 transitions, 794 flow [2023-08-26 10:11:03,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 278.625) internal successors, (2229), 8 states have internal predecessors, (2229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:11:03,138 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 10:11:03,138 INFO L208 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] [2023-08-26 10:11:03,149 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-08-26 10:11:03,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-08-26 10:11:03,346 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 183 more)] === [2023-08-26 10:11:03,346 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 10:11:03,346 INFO L85 PathProgramCache]: Analyzing trace with hash -350817103, now seen corresponding path program 1 times [2023-08-26 10:11:03,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 10:11:03,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068534260] [2023-08-26 10:11:03,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 10:11:03,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 10:11:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 10:11:03,742 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-08-26 10:11:03,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 10:11:03,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068534260] [2023-08-26 10:11:03,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068534260] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-26 10:11:03,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [570617718] [2023-08-26 10:11:03,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 10:11:03,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-26 10:11:03,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 10:11:03,744 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) [2023-08-26 10:11:03,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-08-26 10:11:04,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 10:11:04,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 10 conjunts are in the unsatisfiable core [2023-08-26 10:11:04,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-26 10:11:04,187 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-08-26 10:11:04,188 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-26 10:11:04,247 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-08-26 10:11:04,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [570617718] provided 1 perfect and 1 imperfect interpolant sequences [2023-08-26 10:11:04,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-08-26 10:11:04,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 14 [2023-08-26 10:11:04,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539501254] [2023-08-26 10:11:04,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 10:11:04,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-26 10:11:04,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 10:11:04,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-26 10:11:04,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2023-08-26 10:11:04,251 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 888 [2023-08-26 10:11:04,252 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 112 transitions, 794 flow. Second operand has 5 states, 5 states have (on average 336.4) internal successors, (1682), 5 states have internal predecessors, (1682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:11:04,252 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 10:11:04,252 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 888 [2023-08-26 10:11:04,252 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 10:11:06,863 INFO L124 PetriNetUnfolderBase]: 13961/20874 cut-off events. [2023-08-26 10:11:06,863 INFO L125 PetriNetUnfolderBase]: For 78529/81598 co-relation queries the response was YES. [2023-08-26 10:11:06,956 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82071 conditions, 20874 events. 13961/20874 cut-off events. For 78529/81598 co-relation queries the response was YES. Maximal size of possible extension queue 653. Compared 125590 event pairs, 1149 based on Foata normal form. 362/21126 useless extension candidates. Maximal degree in co-relation 82041. Up to 4574 conditions per place. [2023-08-26 10:11:07,020 INFO L140 encePairwiseOnDemand]: 882/888 looper letters, 278 selfloop transitions, 33 changer transitions 10/337 dead transitions. [2023-08-26 10:11:07,021 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 337 transitions, 3442 flow [2023-08-26 10:11:07,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-26 10:11:07,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-26 10:11:07,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2423 transitions. [2023-08-26 10:11:07,023 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3898005148005148 [2023-08-26 10:11:07,023 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2423 transitions. [2023-08-26 10:11:07,023 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2423 transitions. [2023-08-26 10:11:07,023 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 10:11:07,023 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2423 transitions. [2023-08-26 10:11:07,025 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 346.14285714285717) internal successors, (2423), 7 states have internal predecessors, (2423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:11:07,028 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 888.0) internal successors, (7104), 8 states have internal predecessors, (7104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:11:07,029 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 888.0) internal successors, (7104), 8 states have internal predecessors, (7104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:11:07,029 INFO L175 Difference]: Start difference. First operand has 119 places, 112 transitions, 794 flow. Second operand 7 states and 2423 transitions. [2023-08-26 10:11:07,029 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 337 transitions, 3442 flow [2023-08-26 10:11:07,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 337 transitions, 3304 flow, removed 47 selfloop flow, removed 2 redundant places. [2023-08-26 10:11:07,209 INFO L231 Difference]: Finished difference. Result has 125 places, 143 transitions, 1229 flow [2023-08-26 10:11:07,209 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=888, PETRI_DIFFERENCE_MINUEND_FLOW=759, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1229, PETRI_PLACES=125, PETRI_TRANSITIONS=143} [2023-08-26 10:11:07,209 INFO L281 CegarLoopForPetriNet]: 164 programPoint places, -39 predicate places. [2023-08-26 10:11:07,209 INFO L495 AbstractCegarLoop]: Abstraction has has 125 places, 143 transitions, 1229 flow [2023-08-26 10:11:07,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 336.4) internal successors, (1682), 5 states have internal predecessors, (1682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:11:07,210 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 10:11:07,210 INFO L208 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] [2023-08-26 10:11:07,219 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-08-26 10:11:07,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-26 10:11:07,417 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 183 more)] === [2023-08-26 10:11:07,417 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 10:11:07,418 INFO L85 PathProgramCache]: Analyzing trace with hash 2078156573, now seen corresponding path program 2 times [2023-08-26 10:11:07,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 10:11:07,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904634283] [2023-08-26 10:11:07,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 10:11:07,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 10:11:07,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 10:11:07,788 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-26 10:11:07,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 10:11:07,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904634283] [2023-08-26 10:11:07,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904634283] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-26 10:11:07,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727102322] [2023-08-26 10:11:07,789 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-08-26 10:11:07,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-26 10:11:07,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 10:11:07,793 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-26 10:11:07,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-08-26 10:11:08,365 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-08-26 10:11:08,366 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-26 10:11:08,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 11 conjunts are in the unsatisfiable core [2023-08-26 10:11:08,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-26 10:11:08,576 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-26 10:11:08,577 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-26 10:11:08,800 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-26 10:11:08,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1727102322] provided 1 perfect and 1 imperfect interpolant sequences [2023-08-26 10:11:08,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-08-26 10:11:08,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5, 7] total 17 [2023-08-26 10:11:08,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623181036] [2023-08-26 10:11:08,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 10:11:08,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-26 10:11:08,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 10:11:08,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-26 10:11:08,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2023-08-26 10:11:08,803 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 274 out of 888 [2023-08-26 10:11:08,805 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 143 transitions, 1229 flow. Second operand has 8 states, 8 states have (on average 278.625) internal successors, (2229), 8 states have internal predecessors, (2229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:11:08,805 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 10:11:08,805 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 274 of 888 [2023-08-26 10:11:08,805 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 10:11:13,256 INFO L124 PetriNetUnfolderBase]: 22799/35533 cut-off events. [2023-08-26 10:11:13,257 INFO L125 PetriNetUnfolderBase]: For 132091/132451 co-relation queries the response was YES. [2023-08-26 10:11:13,536 INFO L83 FinitePrefix]: Finished finitePrefix Result has 143436 conditions, 35533 events. 22799/35533 cut-off events. For 132091/132451 co-relation queries the response was YES. Maximal size of possible extension queue 1137. Compared 247140 event pairs, 1897 based on Foata normal form. 825/36291 useless extension candidates. Maximal degree in co-relation 143405. Up to 7752 conditions per place. [2023-08-26 10:11:13,665 INFO L140 encePairwiseOnDemand]: 877/888 looper letters, 346 selfloop transitions, 141 changer transitions 2/505 dead transitions. [2023-08-26 10:11:13,665 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 505 transitions, 5072 flow [2023-08-26 10:11:13,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-26 10:11:13,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-26 10:11:13,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 3516 transitions. [2023-08-26 10:11:13,669 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.32995495495495497 [2023-08-26 10:11:13,669 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 3516 transitions. [2023-08-26 10:11:13,669 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 3516 transitions. [2023-08-26 10:11:13,670 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 10:11:13,670 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 3516 transitions. [2023-08-26 10:11:13,674 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 293.0) internal successors, (3516), 12 states have internal predecessors, (3516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:11:13,681 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 888.0) internal successors, (11544), 13 states have internal predecessors, (11544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:11:13,682 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 888.0) internal successors, (11544), 13 states have internal predecessors, (11544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:11:13,682 INFO L175 Difference]: Start difference. First operand has 125 places, 143 transitions, 1229 flow. Second operand 12 states and 3516 transitions. [2023-08-26 10:11:13,682 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 505 transitions, 5072 flow [2023-08-26 10:11:14,521 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 505 transitions, 4982 flow, removed 45 selfloop flow, removed 0 redundant places. [2023-08-26 10:11:14,525 INFO L231 Difference]: Finished difference. Result has 145 places, 260 transitions, 3184 flow [2023-08-26 10:11:14,526 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=888, PETRI_DIFFERENCE_MINUEND_FLOW=1197, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=3184, PETRI_PLACES=145, PETRI_TRANSITIONS=260} [2023-08-26 10:11:14,526 INFO L281 CegarLoopForPetriNet]: 164 programPoint places, -19 predicate places. [2023-08-26 10:11:14,526 INFO L495 AbstractCegarLoop]: Abstraction has has 145 places, 260 transitions, 3184 flow [2023-08-26 10:11:14,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 278.625) internal successors, (2229), 8 states have internal predecessors, (2229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:11:14,529 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 10:11:14,529 INFO L208 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] [2023-08-26 10:11:14,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-08-26 10:11:14,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-26 10:11:14,735 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 183 more)] === [2023-08-26 10:11:14,736 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 10:11:14,736 INFO L85 PathProgramCache]: Analyzing trace with hash -931112761, now seen corresponding path program 3 times [2023-08-26 10:11:14,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 10:11:14,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84363465] [2023-08-26 10:11:14,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 10:11:14,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 10:11:14,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 10:11:15,208 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-26 10:11:15,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 10:11:15,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84363465] [2023-08-26 10:11:15,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84363465] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-26 10:11:15,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [837963491] [2023-08-26 10:11:15,209 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-08-26 10:11:15,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-26 10:11:15,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 10:11:15,213 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-26 10:11:15,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-08-26 10:11:15,822 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-08-26 10:11:15,822 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-26 10:11:15,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 4 conjunts are in the unsatisfiable core [2023-08-26 10:11:15,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-26 10:11:15,900 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-08-26 10:11:15,900 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-26 10:11:15,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [837963491] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 10:11:15,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-08-26 10:11:15,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2023-08-26 10:11:15,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105054629] [2023-08-26 10:11:15,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 10:11:15,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-26 10:11:15,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 10:11:15,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-26 10:11:15,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-08-26 10:11:15,903 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 332 out of 888 [2023-08-26 10:11:15,904 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 260 transitions, 3184 flow. Second operand has 5 states, 5 states have (on average 339.4) internal successors, (1697), 5 states have internal predecessors, (1697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:11:15,904 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 10:11:15,904 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 332 of 888 [2023-08-26 10:11:15,904 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 10:11:22,912 INFO L124 PetriNetUnfolderBase]: 30215/47346 cut-off events. [2023-08-26 10:11:22,912 INFO L125 PetriNetUnfolderBase]: For 307453/311526 co-relation queries the response was YES. [2023-08-26 10:11:23,308 INFO L83 FinitePrefix]: Finished finitePrefix Result has 220649 conditions, 47346 events. 30215/47346 cut-off events. For 307453/311526 co-relation queries the response was YES. Maximal size of possible extension queue 1578. Compared 348376 event pairs, 5009 based on Foata normal form. 911/47895 useless extension candidates. Maximal degree in co-relation 220608. Up to 20366 conditions per place. [2023-08-26 10:11:23,475 INFO L140 encePairwiseOnDemand]: 882/888 looper letters, 376 selfloop transitions, 65 changer transitions 0/457 dead transitions. [2023-08-26 10:11:23,475 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 457 transitions, 6172 flow [2023-08-26 10:11:23,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-26 10:11:23,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-26 10:11:23,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2099 transitions. [2023-08-26 10:11:23,478 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39395645645645644 [2023-08-26 10:11:23,478 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2099 transitions. [2023-08-26 10:11:23,478 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2099 transitions. [2023-08-26 10:11:23,478 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 10:11:23,478 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2099 transitions. [2023-08-26 10:11:23,481 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 349.8333333333333) internal successors, (2099), 6 states have internal predecessors, (2099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:11:23,484 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 888.0) internal successors, (6216), 7 states have internal predecessors, (6216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:11:23,485 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 888.0) internal successors, (6216), 7 states have internal predecessors, (6216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:11:23,485 INFO L175 Difference]: Start difference. First operand has 145 places, 260 transitions, 3184 flow. Second operand 6 states and 2099 transitions. [2023-08-26 10:11:23,485 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 457 transitions, 6172 flow [2023-08-26 10:11:25,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 457 transitions, 6072 flow, removed 48 selfloop flow, removed 1 redundant places. [2023-08-26 10:11:25,908 INFO L231 Difference]: Finished difference. Result has 153 places, 281 transitions, 3637 flow [2023-08-26 10:11:25,908 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=888, PETRI_DIFFERENCE_MINUEND_FLOW=3096, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=260, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3637, PETRI_PLACES=153, PETRI_TRANSITIONS=281} [2023-08-26 10:11:25,909 INFO L281 CegarLoopForPetriNet]: 164 programPoint places, -11 predicate places. [2023-08-26 10:11:25,909 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 281 transitions, 3637 flow [2023-08-26 10:11:25,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 339.4) internal successors, (1697), 5 states have internal predecessors, (1697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:11:25,909 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 10:11:25,909 INFO L208 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] [2023-08-26 10:11:25,917 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-08-26 10:11:26,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-26 10:11:26,111 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 183 more)] === [2023-08-26 10:11:26,111 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 10:11:26,111 INFO L85 PathProgramCache]: Analyzing trace with hash -593739611, now seen corresponding path program 2 times [2023-08-26 10:11:26,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 10:11:26,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167250048] [2023-08-26 10:11:26,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 10:11:26,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 10:11:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 10:11:26,596 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-26 10:11:26,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 10:11:26,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167250048] [2023-08-26 10:11:26,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167250048] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-26 10:11:26,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479340881] [2023-08-26 10:11:26,597 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-08-26 10:11:26,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-26 10:11:26,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 10:11:26,601 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-26 10:11:26,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-08-26 10:11:27,302 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-08-26 10:11:27,302 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-26 10:11:27,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 12 conjunts are in the unsatisfiable core [2023-08-26 10:11:27,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-26 10:11:27,492 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-26 10:11:27,492 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-26 10:11:27,702 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-26 10:11:27,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479340881] provided 1 perfect and 1 imperfect interpolant sequences [2023-08-26 10:11:27,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-08-26 10:11:27,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7, 7] total 19 [2023-08-26 10:11:27,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000625692] [2023-08-26 10:11:27,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 10:11:27,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-26 10:11:27,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 10:11:27,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-26 10:11:27,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2023-08-26 10:11:27,705 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 271 out of 888 [2023-08-26 10:11:27,706 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 281 transitions, 3637 flow. Second operand has 8 states, 8 states have (on average 275.625) internal successors, (2205), 8 states have internal predecessors, (2205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:11:27,706 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 10:11:27,706 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 271 of 888 [2023-08-26 10:11:27,706 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 10:11:41,098 INFO L124 PetriNetUnfolderBase]: 50918/81479 cut-off events. [2023-08-26 10:11:41,098 INFO L125 PetriNetUnfolderBase]: For 676184/679146 co-relation queries the response was YES. [2023-08-26 10:11:41,736 INFO L83 FinitePrefix]: Finished finitePrefix Result has 402919 conditions, 81479 events. 50918/81479 cut-off events. For 676184/679146 co-relation queries the response was YES. Maximal size of possible extension queue 2598. Compared 665157 event pairs, 10029 based on Foata normal form. 2786/83943 useless extension candidates. Maximal degree in co-relation 402873. Up to 26181 conditions per place. [2023-08-26 10:11:42,061 INFO L140 encePairwiseOnDemand]: 882/888 looper letters, 690 selfloop transitions, 39 changer transitions 0/745 dead transitions. [2023-08-26 10:11:42,062 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 745 transitions, 11530 flow [2023-08-26 10:11:42,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-26 10:11:42,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-26 10:11:42,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1733 transitions. [2023-08-26 10:11:42,063 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3252627627627628 [2023-08-26 10:11:42,064 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1733 transitions. [2023-08-26 10:11:42,064 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1733 transitions. [2023-08-26 10:11:42,064 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 10:11:42,064 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1733 transitions. [2023-08-26 10:11:42,065 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 288.8333333333333) internal successors, (1733), 6 states have internal predecessors, (1733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:11:42,068 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 888.0) internal successors, (6216), 7 states have internal predecessors, (6216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:11:42,068 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 888.0) internal successors, (6216), 7 states have internal predecessors, (6216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:11:42,068 INFO L175 Difference]: Start difference. First operand has 153 places, 281 transitions, 3637 flow. Second operand 6 states and 1733 transitions. [2023-08-26 10:11:42,068 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 745 transitions, 11530 flow [2023-08-26 10:11:48,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 745 transitions, 11479 flow, removed 25 selfloop flow, removed 1 redundant places. [2023-08-26 10:11:48,800 INFO L231 Difference]: Finished difference. Result has 161 places, 302 transitions, 4053 flow [2023-08-26 10:11:48,800 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=888, PETRI_DIFFERENCE_MINUEND_FLOW=3622, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4053, PETRI_PLACES=161, PETRI_TRANSITIONS=302} [2023-08-26 10:11:48,800 INFO L281 CegarLoopForPetriNet]: 164 programPoint places, -3 predicate places. [2023-08-26 10:11:48,800 INFO L495 AbstractCegarLoop]: Abstraction has has 161 places, 302 transitions, 4053 flow [2023-08-26 10:11:48,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 275.625) internal successors, (2205), 8 states have internal predecessors, (2205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:11:48,801 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 10:11:48,801 INFO L208 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] [2023-08-26 10:11:48,811 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-08-26 10:11:49,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2023-08-26 10:11:49,009 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 183 more)] === [2023-08-26 10:11:49,009 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 10:11:49,009 INFO L85 PathProgramCache]: Analyzing trace with hash -2089391967, now seen corresponding path program 4 times [2023-08-26 10:11:49,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 10:11:49,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843335369] [2023-08-26 10:11:49,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 10:11:49,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 10:11:49,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 10:11:49,376 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-08-26 10:11:49,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 10:11:49,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843335369] [2023-08-26 10:11:49,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843335369] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-26 10:11:49,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1199454971] [2023-08-26 10:11:49,377 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-08-26 10:11:49,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-26 10:11:49,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 10:11:49,378 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-26 10:11:49,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-08-26 10:11:50,067 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-08-26 10:11:50,067 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-26 10:11:50,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 11 conjunts are in the unsatisfiable core [2023-08-26 10:11:50,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-26 10:11:50,228 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-08-26 10:11:50,229 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-26 10:11:50,432 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-26 10:11:50,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1199454971] provided 1 perfect and 1 imperfect interpolant sequences [2023-08-26 10:11:50,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-08-26 10:11:50,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5, 6] total 16 [2023-08-26 10:11:50,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141226803] [2023-08-26 10:11:50,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 10:11:50,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-26 10:11:50,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 10:11:50,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-26 10:11:50,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2023-08-26 10:11:50,435 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 274 out of 888 [2023-08-26 10:11:50,436 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 302 transitions, 4053 flow. Second operand has 8 states, 8 states have (on average 278.625) internal successors, (2229), 8 states have internal predecessors, (2229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:11:50,436 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 10:11:50,436 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 274 of 888 [2023-08-26 10:11:50,436 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 10:12:06,032 INFO L124 PetriNetUnfolderBase]: 57708/91482 cut-off events. [2023-08-26 10:12:06,032 INFO L125 PetriNetUnfolderBase]: For 849825/853461 co-relation queries the response was YES. [2023-08-26 10:12:06,831 INFO L83 FinitePrefix]: Finished finitePrefix Result has 492463 conditions, 91482 events. 57708/91482 cut-off events. For 849825/853461 co-relation queries the response was YES. Maximal size of possible extension queue 2830. Compared 741874 event pairs, 4908 based on Foata normal form. 566/91939 useless extension candidates. Maximal degree in co-relation 492413. Up to 20431 conditions per place. [2023-08-26 10:12:07,378 INFO L140 encePairwiseOnDemand]: 878/888 looper letters, 472 selfloop transitions, 294 changer transitions 8/790 dead transitions. [2023-08-26 10:12:07,378 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 790 transitions, 11369 flow [2023-08-26 10:12:07,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-26 10:12:07,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-26 10:12:07,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 4048 transitions. [2023-08-26 10:12:07,381 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3256113256113256 [2023-08-26 10:12:07,381 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 4048 transitions. [2023-08-26 10:12:07,381 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 4048 transitions. [2023-08-26 10:12:07,382 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 10:12:07,382 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 4048 transitions. [2023-08-26 10:12:07,385 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 289.14285714285717) internal successors, (4048), 14 states have internal predecessors, (4048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:12:07,390 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 888.0) internal successors, (13320), 15 states have internal predecessors, (13320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:12:07,391 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 888.0) internal successors, (13320), 15 states have internal predecessors, (13320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:12:07,391 INFO L175 Difference]: Start difference. First operand has 161 places, 302 transitions, 4053 flow. Second operand 14 states and 4048 transitions. [2023-08-26 10:12:07,391 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 790 transitions, 11369 flow [2023-08-26 10:12:17,222 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 790 transitions, 11300 flow, removed 34 selfloop flow, removed 1 redundant places. [2023-08-26 10:12:17,230 INFO L231 Difference]: Finished difference. Result has 183 places, 503 transitions, 8520 flow [2023-08-26 10:12:17,230 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=888, PETRI_DIFFERENCE_MINUEND_FLOW=4020, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=140, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=8520, PETRI_PLACES=183, PETRI_TRANSITIONS=503} [2023-08-26 10:12:17,231 INFO L281 CegarLoopForPetriNet]: 164 programPoint places, 19 predicate places. [2023-08-26 10:12:17,231 INFO L495 AbstractCegarLoop]: Abstraction has has 183 places, 503 transitions, 8520 flow [2023-08-26 10:12:17,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 278.625) internal successors, (2229), 8 states have internal predecessors, (2229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:12:17,231 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 10:12:17,231 INFO L208 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] [2023-08-26 10:12:17,238 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-08-26 10:12:17,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-26 10:12:17,432 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 183 more)] === [2023-08-26 10:12:17,432 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 10:12:17,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1907287061, now seen corresponding path program 3 times [2023-08-26 10:12:17,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 10:12:17,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079952359] [2023-08-26 10:12:17,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 10:12:17,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 10:12:17,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 10:12:17,812 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-26 10:12:17,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 10:12:17,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079952359] [2023-08-26 10:12:17,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079952359] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-26 10:12:17,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270834015] [2023-08-26 10:12:17,814 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-08-26 10:12:17,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-26 10:12:17,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 10:12:17,816 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-26 10:12:17,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-08-26 10:12:18,362 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-08-26 10:12:18,362 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-26 10:12:18,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 10 conjunts are in the unsatisfiable core [2023-08-26 10:12:18,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-26 10:12:18,510 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-26 10:12:18,510 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-26 10:12:18,615 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-08-26 10:12:18,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1270834015] provided 1 perfect and 1 imperfect interpolant sequences [2023-08-26 10:12:18,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-08-26 10:12:18,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 7] total 16 [2023-08-26 10:12:18,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633935943] [2023-08-26 10:12:18,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 10:12:18,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-26 10:12:18,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 10:12:18,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-26 10:12:18,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2023-08-26 10:12:18,620 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 888 [2023-08-26 10:12:18,621 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 503 transitions, 8520 flow. Second operand has 5 states, 5 states have (on average 336.4) internal successors, (1682), 5 states have internal predecessors, (1682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:12:18,621 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 10:12:18,621 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 888 [2023-08-26 10:12:18,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 10:12:46,591 INFO L124 PetriNetUnfolderBase]: 85539/140598 cut-off events. [2023-08-26 10:12:46,591 INFO L125 PetriNetUnfolderBase]: For 1948359/1952300 co-relation queries the response was YES. [2023-08-26 10:12:48,090 INFO L83 FinitePrefix]: Finished finitePrefix Result has 845643 conditions, 140598 events. 85539/140598 cut-off events. For 1948359/1952300 co-relation queries the response was YES. Maximal size of possible extension queue 4227. Compared 1273684 event pairs, 12252 based on Foata normal form. 3363/143725 useless extension candidates. Maximal degree in co-relation 845583. Up to 39280 conditions per place. [2023-08-26 10:12:48,934 INFO L140 encePairwiseOnDemand]: 879/888 looper letters, 714 selfloop transitions, 433 changer transitions 12/1175 dead transitions. [2023-08-26 10:12:48,934 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 1175 transitions, 22640 flow [2023-08-26 10:12:48,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-26 10:12:48,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-26 10:12:48,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2093 transitions. [2023-08-26 10:12:48,937 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3928303303303303 [2023-08-26 10:12:48,937 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2093 transitions. [2023-08-26 10:12:48,937 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2093 transitions. [2023-08-26 10:12:48,937 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 10:12:48,937 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2093 transitions. [2023-08-26 10:12:48,939 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 348.8333333333333) internal successors, (2093), 6 states have internal predecessors, (2093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:12:48,941 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 888.0) internal successors, (6216), 7 states have internal predecessors, (6216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:12:48,941 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 888.0) internal successors, (6216), 7 states have internal predecessors, (6216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:12:48,941 INFO L175 Difference]: Start difference. First operand has 183 places, 503 transitions, 8520 flow. Second operand 6 states and 2093 transitions. [2023-08-26 10:12:48,941 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 1175 transitions, 22640 flow [2023-08-26 10:13:38,927 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 1175 transitions, 22042 flow, removed 299 selfloop flow, removed 0 redundant places. [2023-08-26 10:13:38,939 INFO L231 Difference]: Finished difference. Result has 192 places, 756 transitions, 14476 flow [2023-08-26 10:13:38,940 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=888, PETRI_DIFFERENCE_MINUEND_FLOW=8268, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=503, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=188, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=14476, PETRI_PLACES=192, PETRI_TRANSITIONS=756} [2023-08-26 10:13:38,941 INFO L281 CegarLoopForPetriNet]: 164 programPoint places, 28 predicate places. [2023-08-26 10:13:38,941 INFO L495 AbstractCegarLoop]: Abstraction has has 192 places, 756 transitions, 14476 flow [2023-08-26 10:13:38,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 336.4) internal successors, (1682), 5 states have internal predecessors, (1682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:13:38,941 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 10:13:38,941 INFO L208 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] [2023-08-26 10:13:38,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-08-26 10:13:39,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2023-08-26 10:13:39,142 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 183 more)] === [2023-08-26 10:13:39,142 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 10:13:39,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1055148495, now seen corresponding path program 4 times [2023-08-26 10:13:39,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 10:13:39,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466405273] [2023-08-26 10:13:39,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 10:13:39,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 10:13:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 10:13:39,540 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-26 10:13:39,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 10:13:39,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466405273] [2023-08-26 10:13:39,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466405273] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-26 10:13:39,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415675341] [2023-08-26 10:13:39,541 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-08-26 10:13:39,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-26 10:13:39,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 10:13:39,545 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-26 10:13:39,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-08-26 10:13:40,238 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-08-26 10:13:40,238 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-26 10:13:40,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 11 conjunts are in the unsatisfiable core [2023-08-26 10:13:40,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-26 10:13:40,417 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-26 10:13:40,417 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-26 10:13:40,644 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-26 10:13:40,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1415675341] provided 1 perfect and 1 imperfect interpolant sequences [2023-08-26 10:13:40,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-08-26 10:13:40,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6, 7] total 18 [2023-08-26 10:13:40,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967270729] [2023-08-26 10:13:40,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 10:13:40,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-26 10:13:40,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 10:13:40,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-26 10:13:40,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2023-08-26 10:13:40,649 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 274 out of 888 [2023-08-26 10:13:40,650 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 756 transitions, 14476 flow. Second operand has 8 states, 8 states have (on average 278.625) internal successors, (2229), 8 states have internal predecessors, (2229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:13:40,650 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 10:13:40,650 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 274 of 888 [2023-08-26 10:13:40,650 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 10:14:32,590 INFO L124 PetriNetUnfolderBase]: 129722/215424 cut-off events. [2023-08-26 10:14:32,590 INFO L125 PetriNetUnfolderBase]: For 3509175/3511785 co-relation queries the response was YES. [2023-08-26 10:14:35,624 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1408118 conditions, 215424 events. 129722/215424 cut-off events. For 3509175/3511785 co-relation queries the response was YES. Maximal size of possible extension queue 6544. Compared 2088384 event pairs, 12279 based on Foata normal form. 3109/218352 useless extension candidates. Maximal degree in co-relation 1408053. Up to 59298 conditions per place. [2023-08-26 10:14:37,382 INFO L140 encePairwiseOnDemand]: 877/888 looper letters, 2280 selfloop transitions, 336 changer transitions 198/2830 dead transitions. [2023-08-26 10:14:37,382 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 2830 transitions, 58388 flow [2023-08-26 10:14:37,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-26 10:14:37,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-26 10:14:37,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 4099 transitions. [2023-08-26 10:14:37,386 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3297136422136422 [2023-08-26 10:14:37,386 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 4099 transitions. [2023-08-26 10:14:37,386 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 4099 transitions. [2023-08-26 10:14:37,404 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 10:14:37,405 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 4099 transitions. [2023-08-26 10:14:37,409 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 292.7857142857143) internal successors, (4099), 14 states have internal predecessors, (4099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:14:37,415 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 888.0) internal successors, (13320), 15 states have internal predecessors, (13320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:14:37,416 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 888.0) internal successors, (13320), 15 states have internal predecessors, (13320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:14:37,416 INFO L175 Difference]: Start difference. First operand has 192 places, 756 transitions, 14476 flow. Second operand 14 states and 4099 transitions. [2023-08-26 10:14:37,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 2830 transitions, 58388 flow [2023-08-26 10:17:54,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 2830 transitions, 58044 flow, removed 172 selfloop flow, removed 0 redundant places. [2023-08-26 10:17:54,380 INFO L231 Difference]: Finished difference. Result has 218 places, 1044 transitions, 21260 flow [2023-08-26 10:17:54,381 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=888, PETRI_DIFFERENCE_MINUEND_FLOW=14380, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=756, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=591, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=21260, PETRI_PLACES=218, PETRI_TRANSITIONS=1044} [2023-08-26 10:17:54,381 INFO L281 CegarLoopForPetriNet]: 164 programPoint places, 54 predicate places. [2023-08-26 10:17:54,381 INFO L495 AbstractCegarLoop]: Abstraction has has 218 places, 1044 transitions, 21260 flow [2023-08-26 10:17:54,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 278.625) internal successors, (2229), 8 states have internal predecessors, (2229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:17:54,381 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 10:17:54,382 INFO L208 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] [2023-08-26 10:17:54,389 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-08-26 10:17:54,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2023-08-26 10:17:54,582 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 183 more)] === [2023-08-26 10:17:54,583 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 10:17:54,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1125645823, now seen corresponding path program 5 times [2023-08-26 10:17:54,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 10:17:54,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171633354] [2023-08-26 10:17:54,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 10:17:54,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 10:17:54,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 10:17:55,028 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-26 10:17:55,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 10:17:55,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171633354] [2023-08-26 10:17:55,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171633354] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-26 10:17:55,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [609019424] [2023-08-26 10:17:55,029 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-08-26 10:17:55,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-26 10:17:55,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 10:17:55,030 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-26 10:17:55,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-08-26 10:17:57,713 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2023-08-26 10:17:57,713 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-26 10:17:57,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 15 conjunts are in the unsatisfiable core [2023-08-26 10:17:57,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-26 10:17:57,963 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-26 10:17:57,963 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-26 10:17:58,161 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-26 10:17:58,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [609019424] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-26 10:17:58,161 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-26 10:17:58,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 8] total 18 [2023-08-26 10:17:58,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109847196] [2023-08-26 10:17:58,161 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-26 10:17:58,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-08-26 10:17:58,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 10:17:58,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-08-26 10:17:58,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342 [2023-08-26 10:17:58,164 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 270 out of 888 [2023-08-26 10:17:58,166 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 1044 transitions, 21260 flow. Second operand has 19 states, 19 states have (on average 274.36842105263156) internal successors, (5213), 19 states have internal predecessors, (5213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:17:58,166 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 10:17:58,167 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 270 of 888 [2023-08-26 10:17:58,167 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 10:18:59,462 INFO L124 PetriNetUnfolderBase]: 133794/215823 cut-off events. [2023-08-26 10:18:59,462 INFO L125 PetriNetUnfolderBase]: For 4406939/4408080 co-relation queries the response was YES. [2023-08-26 10:19:02,550 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1595472 conditions, 215823 events. 133794/215823 cut-off events. For 4406939/4408080 co-relation queries the response was YES. Maximal size of possible extension queue 6674. Compared 2008264 event pairs, 11922 based on Foata normal form. 4134/219853 useless extension candidates. Maximal degree in co-relation 1595394. Up to 71137 conditions per place. [2023-08-26 10:19:03,955 INFO L140 encePairwiseOnDemand]: 874/888 looper letters, 1606 selfloop transitions, 628 changer transitions 6/2256 dead transitions. [2023-08-26 10:19:03,956 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 2256 transitions, 48557 flow [2023-08-26 10:19:03,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-08-26 10:19:03,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2023-08-26 10:19:03,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 5366 transitions. [2023-08-26 10:19:03,960 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3180417259364628 [2023-08-26 10:19:03,960 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 5366 transitions. [2023-08-26 10:19:03,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 5366 transitions. [2023-08-26 10:19:03,961 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 10:19:03,961 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 5366 transitions. [2023-08-26 10:19:03,967 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 282.42105263157896) internal successors, (5366), 19 states have internal predecessors, (5366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:19:03,976 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 888.0) internal successors, (17760), 20 states have internal predecessors, (17760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:19:03,977 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 888.0) internal successors, (17760), 20 states have internal predecessors, (17760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 10:19:03,977 INFO L175 Difference]: Start difference. First operand has 218 places, 1044 transitions, 21260 flow. Second operand 19 states and 5366 transitions. [2023-08-26 10:19:03,977 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 2256 transitions, 48557 flow Received shutdown request... [2023-08-26 10:22:51,083 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-08-26 10:22:51,084 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-08-26 10:22:52,105 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-08-26 10:22:52,107 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 [2023-08-26 10:22:53,579 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr24ASSERT_VIOLATIONASSERT (186 of 187 remaining) [2023-08-26 10:22:53,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-08-26 10:22:53,580 WARN L619 AbstractCegarLoop]: Verification canceled: while executing RemoveRedundantFlow. [2023-08-26 10:22:53,581 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err0ASSERT_VIOLATIONDATA_RACE (185 of 187 remaining) [2023-08-26 10:22:53,581 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err1ASSERT_VIOLATIONDATA_RACE (184 of 187 remaining) [2023-08-26 10:22:53,581 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err2ASSERT_VIOLATIONDATA_RACE (183 of 187 remaining) [2023-08-26 10:22:53,581 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err3ASSERT_VIOLATIONDATA_RACE (182 of 187 remaining) [2023-08-26 10:22:53,581 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err4ASSERT_VIOLATIONDATA_RACE (181 of 187 remaining) [2023-08-26 10:22:53,581 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err5ASSERT_VIOLATIONDATA_RACE (180 of 187 remaining) [2023-08-26 10:22:53,581 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err6ASSERT_VIOLATIONDATA_RACE (179 of 187 remaining) [2023-08-26 10:22:53,581 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err7ASSERT_VIOLATIONDATA_RACE (178 of 187 remaining) [2023-08-26 10:22:53,581 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err8ASSERT_VIOLATIONDATA_RACE (177 of 187 remaining) [2023-08-26 10:22:53,581 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err9ASSERT_VIOLATIONDATA_RACE (176 of 187 remaining) [2023-08-26 10:22:53,581 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err10ASSERT_VIOLATIONDATA_RACE (175 of 187 remaining) [2023-08-26 10:22:53,581 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err11ASSERT_VIOLATIONDATA_RACE (174 of 187 remaining) [2023-08-26 10:22:53,582 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err12ASSERT_VIOLATIONDATA_RACE (173 of 187 remaining) [2023-08-26 10:22:53,582 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err13ASSERT_VIOLATIONDATA_RACE (172 of 187 remaining) [2023-08-26 10:22:53,582 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err14ASSERT_VIOLATIONDATA_RACE (171 of 187 remaining) [2023-08-26 10:22:53,582 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err15ASSERT_VIOLATIONDATA_RACE (170 of 187 remaining) [2023-08-26 10:22:53,582 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err16ASSERT_VIOLATIONDATA_RACE (169 of 187 remaining) [2023-08-26 10:22:53,582 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err17ASSERT_VIOLATIONDATA_RACE (168 of 187 remaining) [2023-08-26 10:22:53,582 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err0ASSERT_VIOLATIONDATA_RACE (167 of 187 remaining) [2023-08-26 10:22:53,582 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err1ASSERT_VIOLATIONDATA_RACE (166 of 187 remaining) [2023-08-26 10:22:53,582 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err2ASSERT_VIOLATIONDATA_RACE (165 of 187 remaining) [2023-08-26 10:22:53,582 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err3ASSERT_VIOLATIONDATA_RACE (164 of 187 remaining) [2023-08-26 10:22:53,583 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err4ASSERT_VIOLATIONDATA_RACE (163 of 187 remaining) [2023-08-26 10:22:53,583 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err5ASSERT_VIOLATIONDATA_RACE (162 of 187 remaining) [2023-08-26 10:22:53,583 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err6ASSERT_VIOLATIONDATA_RACE (161 of 187 remaining) [2023-08-26 10:22:53,583 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err7ASSERT_VIOLATIONDATA_RACE (160 of 187 remaining) [2023-08-26 10:22:53,583 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err8ASSERT_VIOLATIONDATA_RACE (159 of 187 remaining) [2023-08-26 10:22:53,583 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err9ASSERT_VIOLATIONDATA_RACE (158 of 187 remaining) [2023-08-26 10:22:53,583 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err10ASSERT_VIOLATIONDATA_RACE (157 of 187 remaining) [2023-08-26 10:22:53,583 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err11ASSERT_VIOLATIONDATA_RACE (156 of 187 remaining) [2023-08-26 10:22:53,583 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err12ASSERT_VIOLATIONDATA_RACE (155 of 187 remaining) [2023-08-26 10:22:53,583 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err13ASSERT_VIOLATIONDATA_RACE (154 of 187 remaining) [2023-08-26 10:22:53,583 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err14ASSERT_VIOLATIONDATA_RACE (153 of 187 remaining) [2023-08-26 10:22:53,584 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err15ASSERT_VIOLATIONDATA_RACE (152 of 187 remaining) [2023-08-26 10:22:53,584 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err16ASSERT_VIOLATIONDATA_RACE (151 of 187 remaining) [2023-08-26 10:22:53,584 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err17ASSERT_VIOLATIONDATA_RACE (150 of 187 remaining) [2023-08-26 10:22:53,584 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err18ASSERT_VIOLATIONDATA_RACE (149 of 187 remaining) [2023-08-26 10:22:53,584 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err19ASSERT_VIOLATIONDATA_RACE (148 of 187 remaining) [2023-08-26 10:22:53,584 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err20ASSERT_VIOLATIONDATA_RACE (147 of 187 remaining) [2023-08-26 10:22:53,584 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err0ASSERT_VIOLATIONDATA_RACE (146 of 187 remaining) [2023-08-26 10:22:53,584 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err1ASSERT_VIOLATIONDATA_RACE (145 of 187 remaining) [2023-08-26 10:22:53,584 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err2ASSERT_VIOLATIONDATA_RACE (144 of 187 remaining) [2023-08-26 10:22:53,584 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err3ASSERT_VIOLATIONDATA_RACE (143 of 187 remaining) [2023-08-26 10:22:53,584 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err4ASSERT_VIOLATIONDATA_RACE (142 of 187 remaining) [2023-08-26 10:22:53,585 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err5ASSERT_VIOLATIONDATA_RACE (141 of 187 remaining) [2023-08-26 10:22:53,585 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err6ASSERT_VIOLATIONDATA_RACE (140 of 187 remaining) [2023-08-26 10:22:53,585 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err7ASSERT_VIOLATIONDATA_RACE (139 of 187 remaining) [2023-08-26 10:22:53,585 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err8ASSERT_VIOLATIONDATA_RACE (138 of 187 remaining) [2023-08-26 10:22:53,585 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err9ASSERT_VIOLATIONDATA_RACE (137 of 187 remaining) [2023-08-26 10:22:53,585 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err10ASSERT_VIOLATIONDATA_RACE (136 of 187 remaining) [2023-08-26 10:22:53,585 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err11ASSERT_VIOLATIONDATA_RACE (135 of 187 remaining) [2023-08-26 10:22:53,585 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err12ASSERT_VIOLATIONDATA_RACE (134 of 187 remaining) [2023-08-26 10:22:53,585 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err13ASSERT_VIOLATIONDATA_RACE (133 of 187 remaining) [2023-08-26 10:22:53,585 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err14ASSERT_VIOLATIONDATA_RACE (132 of 187 remaining) [2023-08-26 10:22:53,585 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err15ASSERT_VIOLATIONDATA_RACE (131 of 187 remaining) [2023-08-26 10:22:53,586 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err16ASSERT_VIOLATIONDATA_RACE (130 of 187 remaining) [2023-08-26 10:22:53,586 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err17ASSERT_VIOLATIONDATA_RACE (129 of 187 remaining) [2023-08-26 10:22:53,586 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err18ASSERT_VIOLATIONDATA_RACE (128 of 187 remaining) [2023-08-26 10:22:53,586 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err19ASSERT_VIOLATIONDATA_RACE (127 of 187 remaining) [2023-08-26 10:22:53,586 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (126 of 187 remaining) [2023-08-26 10:22:53,586 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (125 of 187 remaining) [2023-08-26 10:22:53,586 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (124 of 187 remaining) [2023-08-26 10:22:53,586 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (123 of 187 remaining) [2023-08-26 10:22:53,586 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (122 of 187 remaining) [2023-08-26 10:22:53,586 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (121 of 187 remaining) [2023-08-26 10:22:53,586 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (120 of 187 remaining) [2023-08-26 10:22:53,587 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (119 of 187 remaining) [2023-08-26 10:22:53,587 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (118 of 187 remaining) [2023-08-26 10:22:53,587 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (117 of 187 remaining) [2023-08-26 10:22:53,587 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (116 of 187 remaining) [2023-08-26 10:22:53,587 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (115 of 187 remaining) [2023-08-26 10:22:53,587 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (114 of 187 remaining) [2023-08-26 10:22:53,587 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (113 of 187 remaining) [2023-08-26 10:22:53,587 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (112 of 187 remaining) [2023-08-26 10:22:53,587 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (111 of 187 remaining) [2023-08-26 10:22:53,587 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (110 of 187 remaining) [2023-08-26 10:22:53,587 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (109 of 187 remaining) [2023-08-26 10:22:53,587 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (108 of 187 remaining) [2023-08-26 10:22:53,587 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (107 of 187 remaining) [2023-08-26 10:22:53,587 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (106 of 187 remaining) [2023-08-26 10:22:53,587 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (105 of 187 remaining) [2023-08-26 10:22:53,587 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (104 of 187 remaining) [2023-08-26 10:22:53,588 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (103 of 187 remaining) [2023-08-26 10:22:53,588 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (102 of 187 remaining) [2023-08-26 10:22:53,588 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (101 of 187 remaining) [2023-08-26 10:22:53,588 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (100 of 187 remaining) [2023-08-26 10:22:53,588 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (99 of 187 remaining) [2023-08-26 10:22:53,588 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err0ASSERT_VIOLATIONDATA_RACE (98 of 187 remaining) [2023-08-26 10:22:53,588 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err1ASSERT_VIOLATIONDATA_RACE (97 of 187 remaining) [2023-08-26 10:22:53,588 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err2ASSERT_VIOLATIONDATA_RACE (96 of 187 remaining) [2023-08-26 10:22:53,588 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err3ASSERT_VIOLATIONDATA_RACE (95 of 187 remaining) [2023-08-26 10:22:53,588 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err4ASSERT_VIOLATIONDATA_RACE (94 of 187 remaining) [2023-08-26 10:22:53,588 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err5ASSERT_VIOLATIONDATA_RACE (93 of 187 remaining) [2023-08-26 10:22:53,588 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err6ASSERT_VIOLATIONDATA_RACE (92 of 187 remaining) [2023-08-26 10:22:53,588 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err7ASSERT_VIOLATIONDATA_RACE (91 of 187 remaining) [2023-08-26 10:22:53,589 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err8ASSERT_VIOLATIONDATA_RACE (90 of 187 remaining) [2023-08-26 10:22:53,589 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err9ASSERT_VIOLATIONDATA_RACE (89 of 187 remaining) [2023-08-26 10:22:53,589 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err10ASSERT_VIOLATIONDATA_RACE (88 of 187 remaining) [2023-08-26 10:22:53,589 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err11ASSERT_VIOLATIONDATA_RACE (87 of 187 remaining) [2023-08-26 10:22:53,589 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err12ASSERT_VIOLATIONDATA_RACE (86 of 187 remaining) [2023-08-26 10:22:53,589 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err13ASSERT_VIOLATIONDATA_RACE (85 of 187 remaining) [2023-08-26 10:22:53,589 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err14ASSERT_VIOLATIONDATA_RACE (84 of 187 remaining) [2023-08-26 10:22:53,589 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err15ASSERT_VIOLATIONDATA_RACE (83 of 187 remaining) [2023-08-26 10:22:53,589 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err16ASSERT_VIOLATIONDATA_RACE (82 of 187 remaining) [2023-08-26 10:22:53,590 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err17ASSERT_VIOLATIONDATA_RACE (81 of 187 remaining) [2023-08-26 10:22:53,590 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err18ASSERT_VIOLATIONDATA_RACE (80 of 187 remaining) [2023-08-26 10:22:53,590 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err19ASSERT_VIOLATIONDATA_RACE (79 of 187 remaining) [2023-08-26 10:22:53,590 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err0ASSERT_VIOLATIONDATA_RACE (78 of 187 remaining) [2023-08-26 10:22:53,590 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err1ASSERT_VIOLATIONDATA_RACE (77 of 187 remaining) [2023-08-26 10:22:53,590 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err2ASSERT_VIOLATIONDATA_RACE (76 of 187 remaining) [2023-08-26 10:22:53,590 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err3ASSERT_VIOLATIONDATA_RACE (75 of 187 remaining) [2023-08-26 10:22:53,590 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err4ASSERT_VIOLATIONDATA_RACE (74 of 187 remaining) [2023-08-26 10:22:53,590 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err5ASSERT_VIOLATIONDATA_RACE (73 of 187 remaining) [2023-08-26 10:22:53,590 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err6ASSERT_VIOLATIONDATA_RACE (72 of 187 remaining) [2023-08-26 10:22:53,591 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err7ASSERT_VIOLATIONDATA_RACE (71 of 187 remaining) [2023-08-26 10:22:53,591 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err8ASSERT_VIOLATIONDATA_RACE (70 of 187 remaining) [2023-08-26 10:22:53,591 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err9ASSERT_VIOLATIONDATA_RACE (69 of 187 remaining) [2023-08-26 10:22:53,591 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err10ASSERT_VIOLATIONDATA_RACE (68 of 187 remaining) [2023-08-26 10:22:53,591 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err11ASSERT_VIOLATIONDATA_RACE (67 of 187 remaining) [2023-08-26 10:22:53,591 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err12ASSERT_VIOLATIONDATA_RACE (66 of 187 remaining) [2023-08-26 10:22:53,591 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err13ASSERT_VIOLATIONDATA_RACE (65 of 187 remaining) [2023-08-26 10:22:53,591 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err14ASSERT_VIOLATIONDATA_RACE (64 of 187 remaining) [2023-08-26 10:22:53,591 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err15ASSERT_VIOLATIONDATA_RACE (63 of 187 remaining) [2023-08-26 10:22:53,591 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err16ASSERT_VIOLATIONDATA_RACE (62 of 187 remaining) [2023-08-26 10:22:53,591 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err17ASSERT_VIOLATIONDATA_RACE (61 of 187 remaining) [2023-08-26 10:22:53,591 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err0ASSERT_VIOLATIONDATA_RACE (60 of 187 remaining) [2023-08-26 10:22:53,591 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err1ASSERT_VIOLATIONDATA_RACE (59 of 187 remaining) [2023-08-26 10:22:53,592 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err2ASSERT_VIOLATIONDATA_RACE (58 of 187 remaining) [2023-08-26 10:22:53,592 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err3ASSERT_VIOLATIONDATA_RACE (57 of 187 remaining) [2023-08-26 10:22:53,592 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err4ASSERT_VIOLATIONDATA_RACE (56 of 187 remaining) [2023-08-26 10:22:53,592 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err5ASSERT_VIOLATIONDATA_RACE (55 of 187 remaining) [2023-08-26 10:22:53,592 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err6ASSERT_VIOLATIONDATA_RACE (54 of 187 remaining) [2023-08-26 10:22:53,592 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err7ASSERT_VIOLATIONDATA_RACE (53 of 187 remaining) [2023-08-26 10:22:53,592 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err8ASSERT_VIOLATIONDATA_RACE (52 of 187 remaining) [2023-08-26 10:22:53,592 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err9ASSERT_VIOLATIONDATA_RACE (51 of 187 remaining) [2023-08-26 10:22:53,592 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err10ASSERT_VIOLATIONDATA_RACE (50 of 187 remaining) [2023-08-26 10:22:53,592 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err11ASSERT_VIOLATIONDATA_RACE (49 of 187 remaining) [2023-08-26 10:22:53,593 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err12ASSERT_VIOLATIONDATA_RACE (48 of 187 remaining) [2023-08-26 10:22:53,593 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err13ASSERT_VIOLATIONDATA_RACE (47 of 187 remaining) [2023-08-26 10:22:53,593 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err14ASSERT_VIOLATIONDATA_RACE (46 of 187 remaining) [2023-08-26 10:22:53,593 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err15ASSERT_VIOLATIONDATA_RACE (45 of 187 remaining) [2023-08-26 10:22:53,593 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err16ASSERT_VIOLATIONDATA_RACE (44 of 187 remaining) [2023-08-26 10:22:53,593 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err17ASSERT_VIOLATIONDATA_RACE (43 of 187 remaining) [2023-08-26 10:22:53,593 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err18ASSERT_VIOLATIONDATA_RACE (42 of 187 remaining) [2023-08-26 10:22:53,593 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err19ASSERT_VIOLATIONDATA_RACE (41 of 187 remaining) [2023-08-26 10:22:53,593 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err20ASSERT_VIOLATIONDATA_RACE (40 of 187 remaining) [2023-08-26 10:22:53,593 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err0ASSERT_VIOLATIONDATA_RACE (39 of 187 remaining) [2023-08-26 10:22:53,593 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err1ASSERT_VIOLATIONDATA_RACE (38 of 187 remaining) [2023-08-26 10:22:53,594 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err2ASSERT_VIOLATIONDATA_RACE (37 of 187 remaining) [2023-08-26 10:22:53,594 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err3ASSERT_VIOLATIONDATA_RACE (36 of 187 remaining) [2023-08-26 10:22:53,594 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err4ASSERT_VIOLATIONDATA_RACE (35 of 187 remaining) [2023-08-26 10:22:53,594 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err5ASSERT_VIOLATIONDATA_RACE (34 of 187 remaining) [2023-08-26 10:22:53,594 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err6ASSERT_VIOLATIONDATA_RACE (33 of 187 remaining) [2023-08-26 10:22:53,594 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err7ASSERT_VIOLATIONDATA_RACE (32 of 187 remaining) [2023-08-26 10:22:53,594 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err8ASSERT_VIOLATIONDATA_RACE (31 of 187 remaining) [2023-08-26 10:22:53,594 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err9ASSERT_VIOLATIONDATA_RACE (30 of 187 remaining) [2023-08-26 10:22:53,594 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err10ASSERT_VIOLATIONDATA_RACE (29 of 187 remaining) [2023-08-26 10:22:53,594 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err11ASSERT_VIOLATIONDATA_RACE (28 of 187 remaining) [2023-08-26 10:22:53,595 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err12ASSERT_VIOLATIONDATA_RACE (27 of 187 remaining) [2023-08-26 10:22:53,595 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err13ASSERT_VIOLATIONDATA_RACE (26 of 187 remaining) [2023-08-26 10:22:53,595 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err14ASSERT_VIOLATIONDATA_RACE (25 of 187 remaining) [2023-08-26 10:22:53,595 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err15ASSERT_VIOLATIONDATA_RACE (24 of 187 remaining) [2023-08-26 10:22:53,595 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err16ASSERT_VIOLATIONDATA_RACE (23 of 187 remaining) [2023-08-26 10:22:53,595 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err17ASSERT_VIOLATIONDATA_RACE (22 of 187 remaining) [2023-08-26 10:22:53,595 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err18ASSERT_VIOLATIONDATA_RACE (21 of 187 remaining) [2023-08-26 10:22:53,595 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err19ASSERT_VIOLATIONDATA_RACE (20 of 187 remaining) [2023-08-26 10:22:53,595 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err0ASSERT_VIOLATIONDATA_RACE (19 of 187 remaining) [2023-08-26 10:22:53,595 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err1ASSERT_VIOLATIONDATA_RACE (18 of 187 remaining) [2023-08-26 10:22:53,596 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err2ASSERT_VIOLATIONDATA_RACE (17 of 187 remaining) [2023-08-26 10:22:53,596 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err3ASSERT_VIOLATIONDATA_RACE (16 of 187 remaining) [2023-08-26 10:22:53,596 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err4ASSERT_VIOLATIONDATA_RACE (15 of 187 remaining) [2023-08-26 10:22:53,596 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err5ASSERT_VIOLATIONDATA_RACE (14 of 187 remaining) [2023-08-26 10:22:53,596 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err6ASSERT_VIOLATIONDATA_RACE (13 of 187 remaining) [2023-08-26 10:22:53,596 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err7ASSERT_VIOLATIONDATA_RACE (12 of 187 remaining) [2023-08-26 10:22:53,596 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err8ASSERT_VIOLATIONDATA_RACE (11 of 187 remaining) [2023-08-26 10:22:53,596 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err9ASSERT_VIOLATIONDATA_RACE (10 of 187 remaining) [2023-08-26 10:22:53,596 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err10ASSERT_VIOLATIONDATA_RACE (9 of 187 remaining) [2023-08-26 10:22:53,596 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err11ASSERT_VIOLATIONDATA_RACE (8 of 187 remaining) [2023-08-26 10:22:53,597 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err12ASSERT_VIOLATIONDATA_RACE (7 of 187 remaining) [2023-08-26 10:22:53,597 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err13ASSERT_VIOLATIONDATA_RACE (6 of 187 remaining) [2023-08-26 10:22:53,597 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err14ASSERT_VIOLATIONDATA_RACE (5 of 187 remaining) [2023-08-26 10:22:53,597 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err15ASSERT_VIOLATIONDATA_RACE (4 of 187 remaining) [2023-08-26 10:22:53,597 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err16ASSERT_VIOLATIONDATA_RACE (3 of 187 remaining) [2023-08-26 10:22:53,597 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err17ASSERT_VIOLATIONDATA_RACE (2 of 187 remaining) [2023-08-26 10:22:53,597 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err18ASSERT_VIOLATIONDATA_RACE (1 of 187 remaining) [2023-08-26 10:22:53,597 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err19ASSERT_VIOLATIONDATA_RACE (0 of 187 remaining) [2023-08-26 10:22:53,598 INFO L445 BasicCegarLoop]: Path program histogram: [5, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 10:22:53,603 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-26 10:22:53,603 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-26 10:22:53,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 10:22:53 BasicIcfg [2023-08-26 10:22:53,606 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-26 10:22:53,607 INFO L158 Benchmark]: Toolchain (without parser) took 775263.84ms. Allocated memory was 383.8MB in the beginning and 16.0GB in the end (delta: 15.6GB). Free memory was 359.4MB in the beginning and 6.7GB in the end (delta: -6.4GB). Peak memory consumption was 10.6GB. Max. memory is 16.0GB. [2023-08-26 10:22:53,607 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 383.8MB. Free memory is still 359.8MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-26 10:22:53,607 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.29ms. Allocated memory is still 383.8MB. Free memory was 359.4MB in the beginning and 345.0MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. [2023-08-26 10:22:53,607 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.73ms. Allocated memory is still 383.8MB. Free memory was 345.0MB in the beginning and 340.3MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-26 10:22:53,607 INFO L158 Benchmark]: Boogie Preprocessor took 66.27ms. Allocated memory is still 383.8MB. Free memory was 340.3MB in the beginning and 336.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-26 10:22:53,608 INFO L158 Benchmark]: RCFGBuilder took 1707.25ms. Allocated memory was 383.8MB in the beginning and 547.4MB in the end (delta: 163.6MB). Free memory was 336.1MB in the beginning and 493.9MB in the end (delta: -157.8MB). Peak memory consumption was 76.9MB. Max. memory is 16.0GB. [2023-08-26 10:22:53,608 INFO L158 Benchmark]: TraceAbstraction took 773027.10ms. Allocated memory was 547.4MB in the beginning and 16.0GB in the end (delta: 15.4GB). Free memory was 492.9MB in the beginning and 6.7GB in the end (delta: -6.3GB). Peak memory consumption was 10.5GB. Max. memory is 16.0GB. [2023-08-26 10:22:53,609 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 383.8MB. Free memory is still 359.8MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 368.29ms. Allocated memory is still 383.8MB. Free memory was 359.4MB in the beginning and 345.0MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 87.73ms. Allocated memory is still 383.8MB. Free memory was 345.0MB in the beginning and 340.3MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 66.27ms. Allocated memory is still 383.8MB. Free memory was 340.3MB in the beginning and 336.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * RCFGBuilder took 1707.25ms. Allocated memory was 383.8MB in the beginning and 547.4MB in the end (delta: 163.6MB). Free memory was 336.1MB in the beginning and 493.9MB in the end (delta: -157.8MB). Peak memory consumption was 76.9MB. Max. memory is 16.0GB. * TraceAbstraction took 773027.10ms. Allocated memory was 547.4MB in the beginning and 16.0GB in the end (delta: 15.4GB). Free memory was 492.9MB in the beginning and 6.7GB in the end (delta: -6.3GB). Peak memory consumption was 10.5GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 18.9s, 427 PlacesBefore, 164 PlacesAfterwards, 436 TransitionsBefore, 158 TransitionsAfterwards, 16244 CoEnabledTransitionPairs, 9 FixpointIterations, 295 TrivialSequentialCompositions, 84 ConcurrentSequentialCompositions, 33 TrivialYvCompositions, 8 ConcurrentYvCompositions, 15 ChoiceCompositions, 435 TotalNumberOfCompositions, 72505 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 24002, independent: 23234, independent conditional: 0, independent unconditional: 23234, dependent: 768, dependent conditional: 0, dependent unconditional: 768, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4392, independent: 4312, independent conditional: 0, independent unconditional: 4312, dependent: 80, dependent conditional: 0, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 24002, independent: 18922, independent conditional: 0, independent unconditional: 18922, dependent: 688, dependent conditional: 0, dependent unconditional: 688, unknown: 4392, unknown conditional: 0, unknown unconditional: 4392] , Statistics on independence cache: Total cache size (in pairs): 1357, Positive cache size: 1310, Positive conditional cache size: 0, Positive unconditional cache size: 1310, Negative cache size: 47, Negative conditional cache size: 0, Negative unconditional cache size: 47, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - TimeoutResultAtElement [Line: 21]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 49]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 49]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 53]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 53]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 53]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 54]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 54]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 54]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 54]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 54]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 54]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 55]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 56]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 56]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 57]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 57]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 69]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 69]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 76]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 77]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 77]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 78]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 78]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 81]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 81]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 90]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 90]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 90]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 90]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 94]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 94]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 94]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 94]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 94]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 96]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 96]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 127]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 128]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 129]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 130]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 131]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 131]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 132]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 133]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 133]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 134]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 134]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 162]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 135]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 135]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 162]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 136]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 136]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 162]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 138]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 145]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 146]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 147]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 148]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 150]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 144]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 143]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 141]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 142]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 108]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 108]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 108]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 108]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 112]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 112]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 112]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 112]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 112]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 113]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 113]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 113]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 113]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 113]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 114]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 114]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 117]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 117]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 117]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 117]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 543 locations, 187 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 772.8s, OverallIterations: 26, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 729.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 19.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2475 SdHoareTripleChecker+Valid, 11.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2475 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 9.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 216 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7086 IncrementalHoareTripleChecker+Invalid, 7302 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 216 mSolverCounterUnsat, 24 mSDtfsCounter, 7086 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1386 GetRequests, 1088 SyntacticMatches, 2 SemanticMatches, 296 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1452 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21260occurred in iteration=25, InterpolantAutomatonStates: 174, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 5.8s SatisfiabilityAnalysisTime, 11.7s InterpolantComputationTime, 1797 NumberOfCodeBlocks, 1793 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 2322 ConstructedInterpolants, 0 QuantifiedInterpolants, 7786 SizeOfPredicates, 164 NumberOfNonLiveVariables, 8128 ConjunctsInSsa, 131 ConjunctsInUnsatCore, 49 InterpolantComputations, 25 PerfectInterpolantSequences, 183/212 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown