/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 -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/pthread-wmm/safe021_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 01:37:58,417 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 01:37:58,499 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 [2023-08-25 01:37:58,503 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 01:37:58,504 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 01:37:58,527 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 01:37:58,528 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 01:37:58,528 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 01:37:58,529 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 01:37:58,532 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 01:37:58,532 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 01:37:58,533 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 01:37:58,533 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 01:37:58,534 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 01:37:58,534 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 01:37:58,534 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 01:37:58,535 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 01:37:58,535 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 01:37:58,535 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 01:37:58,535 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 01:37:58,536 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 01:37:58,536 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 01:37:58,536 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 01:37:58,537 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 01:37:58,537 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 01:37:58,537 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 01:37:58,538 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 01:37:58,538 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 01:37:58,538 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 01:37:58,538 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 01:37:58,538 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 01:37:58,539 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 01:37:58,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 01:37:58,539 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 01:37:58,539 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 01:37:58,539 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 01:37:58,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 01:37:58,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 01:37:58,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 01:37:58,882 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 01:37:58,882 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 01:37:58,884 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe021_tso.i [2023-08-25 01:37:59,980 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 01:38:00,245 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 01:38:00,245 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe021_tso.i [2023-08-25 01:38:00,271 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dad0069d/9e0b814a146243debac79c3d6db5951b/FLAG2bd14034b [2023-08-25 01:38:00,286 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dad0069d/9e0b814a146243debac79c3d6db5951b [2023-08-25 01:38:00,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 01:38:00,292 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 01:38:00,293 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 01:38:00,293 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 01:38:00,295 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 01:38:00,296 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 01:38:00" (1/1) ... [2023-08-25 01:38:00,296 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d78ceb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 01:38:00, skipping insertion in model container [2023-08-25 01:38:00,297 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 01:38:00" (1/1) ... [2023-08-25 01:38:00,354 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 01:38:00,676 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 01:38:00,688 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 01:38:00,718 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-08-25 01:38:00,720 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-08-25 01:38:00,747 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 01:38:00,780 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 01:38:00,780 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 01:38:00,786 INFO L206 MainTranslator]: Completed translation [2023-08-25 01:38:00,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 01:38:00 WrapperNode [2023-08-25 01:38:00,787 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 01:38:00,788 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 01:38:00,789 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 01:38:00,789 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 01:38:00,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 01:38:00" (1/1) ... [2023-08-25 01:38:00,826 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 01:38:00" (1/1) ... [2023-08-25 01:38:00,849 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 102 [2023-08-25 01:38:00,849 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 01:38:00,850 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 01:38:00,851 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 01:38:00,851 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 01:38:00,858 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 01:38:00" (1/1) ... [2023-08-25 01:38:00,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 01:38:00" (1/1) ... [2023-08-25 01:38:00,864 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 01:38:00" (1/1) ... [2023-08-25 01:38:00,864 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 01:38:00" (1/1) ... [2023-08-25 01:38:00,869 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 01:38:00" (1/1) ... [2023-08-25 01:38:00,871 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 01:38:00" (1/1) ... [2023-08-25 01:38:00,873 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 01:38:00" (1/1) ... [2023-08-25 01:38:00,874 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 01:38:00" (1/1) ... [2023-08-25 01:38:00,876 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 01:38:00,877 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 01:38:00,877 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 01:38:00,877 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 01:38:00,877 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 01:38:00" (1/1) ... [2023-08-25 01:38:00,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 01:38:00,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 01:38:00,914 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) [2023-08-25 01:38:00,945 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 [2023-08-25 01:38:00,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 01:38:00,961 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-25 01:38:00,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 01:38:00,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 01:38:00,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 01:38:00,962 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-25 01:38:00,962 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-25 01:38:00,962 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-25 01:38:00,962 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-25 01:38:00,963 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-25 01:38:00,963 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-25 01:38:00,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 01:38:00,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-25 01:38:00,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 01:38:00,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 01:38:00,966 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-25 01:38:01,136 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 01:38:01,142 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 01:38:01,405 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 01:38:01,571 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 01:38:01,571 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 01:38:01,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 01:38:01 BoogieIcfgContainer [2023-08-25 01:38:01,573 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 01:38:01,575 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 01:38:01,575 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 01:38:01,577 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 01:38:01,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 01:38:00" (1/3) ... [2023-08-25 01:38:01,578 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62b35ea9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 01:38:01, skipping insertion in model container [2023-08-25 01:38:01,578 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 01:38:00" (2/3) ... [2023-08-25 01:38:01,578 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62b35ea9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 01:38:01, skipping insertion in model container [2023-08-25 01:38:01,578 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 01:38:01" (3/3) ... [2023-08-25 01:38:01,579 INFO L112 eAbstractionObserver]: Analyzing ICFG safe021_tso.i [2023-08-25 01:38:01,598 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 01:38:01,598 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 23 error locations. [2023-08-25 01:38:01,598 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 01:38:01,645 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-25 01:38:01,684 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 122 places, 115 transitions, 245 flow [2023-08-25 01:38:01,749 INFO L124 PetriNetUnfolderBase]: 3/112 cut-off events. [2023-08-25 01:38:01,749 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 01:38:01,756 INFO L83 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 112 events. 3/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 136 event pairs, 0 based on Foata normal form. 0/86 useless extension candidates. Maximal degree in co-relation 94. Up to 2 conditions per place. [2023-08-25 01:38:01,757 INFO L82 GeneralOperation]: Start removeDead. Operand has 122 places, 115 transitions, 245 flow [2023-08-25 01:38:01,760 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 119 places, 112 transitions, 233 flow [2023-08-25 01:38:01,763 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 01:38:01,771 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 119 places, 112 transitions, 233 flow [2023-08-25 01:38:01,773 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 119 places, 112 transitions, 233 flow [2023-08-25 01:38:01,773 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 119 places, 112 transitions, 233 flow [2023-08-25 01:38:01,794 INFO L124 PetriNetUnfolderBase]: 3/112 cut-off events. [2023-08-25 01:38:01,794 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 01:38:01,795 INFO L83 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 112 events. 3/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 134 event pairs, 0 based on Foata normal form. 0/86 useless extension candidates. Maximal degree in co-relation 94. Up to 2 conditions per place. [2023-08-25 01:38:01,797 INFO L119 LiptonReduction]: Number of co-enabled transitions 3916 [2023-08-25 01:38:05,971 INFO L134 LiptonReduction]: Checked pairs total: 13217 [2023-08-25 01:38:05,972 INFO L136 LiptonReduction]: Total number of compositions: 110 [2023-08-25 01:38:05,982 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 01:38:05,987 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;@3627838d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 01:38:05,988 INFO L358 AbstractCegarLoop]: Starting to check reachability of 40 error locations. [2023-08-25 01:38:05,989 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 01:38:05,990 INFO L124 PetriNetUnfolderBase]: 0/3 cut-off events. [2023-08-25 01:38:05,990 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 01:38:05,990 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 01:38:05,990 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-25 01:38:05,991 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-08-25 01:38:05,994 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 01:38:05,995 INFO L85 PathProgramCache]: Analyzing trace with hash 587381, now seen corresponding path program 1 times [2023-08-25 01:38:06,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 01:38:06,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482341867] [2023-08-25 01:38:06,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 01:38:06,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 01:38:06,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 01:38:06,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 01:38:06,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 01:38:06,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482341867] [2023-08-25 01:38:06,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482341867] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 01:38:06,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 01:38:06,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-25 01:38:06,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958644216] [2023-08-25 01:38:06,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 01:38:06,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-25 01:38:06,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 01:38:06,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-25 01:38:06,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-25 01:38:06,209 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 225 [2023-08-25 01:38:06,211 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 41 transitions, 91 flow. Second operand has 2 states, 2 states have (on average 78.5) internal successors, (157), 2 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:06,211 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 01:38:06,211 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 225 [2023-08-25 01:38:06,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 01:38:06,337 INFO L124 PetriNetUnfolderBase]: 567/864 cut-off events. [2023-08-25 01:38:06,338 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2023-08-25 01:38:06,340 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1775 conditions, 864 events. 567/864 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 3167 event pairs, 567 based on Foata normal form. 0/800 useless extension candidates. Maximal degree in co-relation 1764. Up to 865 conditions per place. [2023-08-25 01:38:06,344 INFO L140 encePairwiseOnDemand]: 202/225 looper letters, 17 selfloop transitions, 0 changer transitions 1/18 dead transitions. [2023-08-25 01:38:06,344 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 18 transitions, 81 flow [2023-08-25 01:38:06,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-25 01:38:06,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-25 01:38:06,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 195 transitions. [2023-08-25 01:38:06,355 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43333333333333335 [2023-08-25 01:38:06,355 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 195 transitions. [2023-08-25 01:38:06,356 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 195 transitions. [2023-08-25 01:38:06,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 01:38:06,358 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 195 transitions. [2023-08-25 01:38:06,360 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 97.5) internal successors, (195), 2 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:06,363 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 225.0) internal successors, (675), 3 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:06,364 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 225.0) internal successors, (675), 3 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:06,365 INFO L175 Difference]: Start difference. First operand has 50 places, 41 transitions, 91 flow. Second operand 2 states and 195 transitions. [2023-08-25 01:38:06,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 18 transitions, 81 flow [2023-08-25 01:38:06,368 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 18 transitions, 78 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-25 01:38:06,369 INFO L231 Difference]: Finished difference. Result has 26 places, 17 transitions, 40 flow [2023-08-25 01:38:06,370 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=40, PETRI_PLACES=26, PETRI_TRANSITIONS=17} [2023-08-25 01:38:06,373 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -24 predicate places. [2023-08-25 01:38:06,373 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 17 transitions, 40 flow [2023-08-25 01:38:06,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 78.5) internal successors, (157), 2 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:06,373 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 01:38:06,373 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 01:38:06,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 01:38:06,374 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-08-25 01:38:06,374 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 01:38:06,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1001586971, now seen corresponding path program 1 times [2023-08-25 01:38:06,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 01:38:06,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413148727] [2023-08-25 01:38:06,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 01:38:06,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 01:38:06,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 01:38:06,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 01:38:06,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 01:38:06,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413148727] [2023-08-25 01:38:06,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413148727] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 01:38:06,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 01:38:06,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-25 01:38:06,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872627246] [2023-08-25 01:38:06,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 01:38:06,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 01:38:06,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 01:38:06,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 01:38:06,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 01:38:06,528 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 225 [2023-08-25 01:38:06,528 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 17 transitions, 40 flow. Second operand has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:06,528 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 01:38:06,529 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 225 [2023-08-25 01:38:06,529 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 01:38:06,621 INFO L124 PetriNetUnfolderBase]: 401/626 cut-off events. [2023-08-25 01:38:06,622 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 01:38:06,624 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1297 conditions, 626 events. 401/626 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 2421 event pairs, 103 based on Foata normal form. 8/634 useless extension candidates. Maximal degree in co-relation 1294. Up to 585 conditions per place. [2023-08-25 01:38:06,627 INFO L140 encePairwiseOnDemand]: 221/225 looper letters, 25 selfloop transitions, 3 changer transitions 0/28 dead transitions. [2023-08-25 01:38:06,627 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 28 transitions, 122 flow [2023-08-25 01:38:06,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 01:38:06,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 01:38:06,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 257 transitions. [2023-08-25 01:38:06,633 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38074074074074077 [2023-08-25 01:38:06,633 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 257 transitions. [2023-08-25 01:38:06,633 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 257 transitions. [2023-08-25 01:38:06,634 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 01:38:06,634 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 257 transitions. [2023-08-25 01:38:06,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:06,639 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 225.0) internal successors, (900), 4 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:06,639 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 225.0) internal successors, (900), 4 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:06,639 INFO L175 Difference]: Start difference. First operand has 26 places, 17 transitions, 40 flow. Second operand 3 states and 257 transitions. [2023-08-25 01:38:06,639 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 28 transitions, 122 flow [2023-08-25 01:38:06,640 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 28 transitions, 122 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 01:38:06,641 INFO L231 Difference]: Finished difference. Result has 28 places, 19 transitions, 59 flow [2023-08-25 01:38:06,641 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=59, PETRI_PLACES=28, PETRI_TRANSITIONS=19} [2023-08-25 01:38:06,642 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -22 predicate places. [2023-08-25 01:38:06,643 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 19 transitions, 59 flow [2023-08-25 01:38:06,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:06,645 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 01:38:06,646 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 01:38:06,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 01:38:06,651 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-08-25 01:38:06,653 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 01:38:06,653 INFO L85 PathProgramCache]: Analyzing trace with hash -984426326, now seen corresponding path program 1 times [2023-08-25 01:38:06,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 01:38:06,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891699711] [2023-08-25 01:38:06,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 01:38:06,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 01:38:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 01:38:06,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 01:38:06,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 01:38:06,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891699711] [2023-08-25 01:38:06,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891699711] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 01:38:06,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 01:38:06,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-25 01:38:06,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851389004] [2023-08-25 01:38:06,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 01:38:06,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 01:38:06,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 01:38:06,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 01:38:06,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 01:38:06,724 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 225 [2023-08-25 01:38:06,725 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 19 transitions, 59 flow. Second operand has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:06,725 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 01:38:06,725 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 225 [2023-08-25 01:38:06,725 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 01:38:06,786 INFO L124 PetriNetUnfolderBase]: 367/578 cut-off events. [2023-08-25 01:38:06,786 INFO L125 PetriNetUnfolderBase]: For 118/118 co-relation queries the response was YES. [2023-08-25 01:38:06,787 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1375 conditions, 578 events. 367/578 cut-off events. For 118/118 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1973 event pairs, 103 based on Foata normal form. 14/592 useless extension candidates. Maximal degree in co-relation 1370. Up to 419 conditions per place. [2023-08-25 01:38:06,790 INFO L140 encePairwiseOnDemand]: 222/225 looper letters, 26 selfloop transitions, 2 changer transitions 0/28 dead transitions. [2023-08-25 01:38:06,790 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 28 transitions, 143 flow [2023-08-25 01:38:06,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 01:38:06,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 01:38:06,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 253 transitions. [2023-08-25 01:38:06,791 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3748148148148148 [2023-08-25 01:38:06,791 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 253 transitions. [2023-08-25 01:38:06,791 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 253 transitions. [2023-08-25 01:38:06,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 01:38:06,792 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 253 transitions. [2023-08-25 01:38:06,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:06,794 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 225.0) internal successors, (900), 4 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:06,794 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 225.0) internal successors, (900), 4 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:06,794 INFO L175 Difference]: Start difference. First operand has 28 places, 19 transitions, 59 flow. Second operand 3 states and 253 transitions. [2023-08-25 01:38:06,794 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 28 transitions, 143 flow [2023-08-25 01:38:06,795 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 28 transitions, 138 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 01:38:06,796 INFO L231 Difference]: Finished difference. Result has 30 places, 19 transitions, 64 flow [2023-08-25 01:38:06,796 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=64, PETRI_PLACES=30, PETRI_TRANSITIONS=19} [2023-08-25 01:38:06,796 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -20 predicate places. [2023-08-25 01:38:06,796 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 19 transitions, 64 flow [2023-08-25 01:38:06,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:06,797 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 01:38:06,797 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 01:38:06,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-25 01:38:06,797 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-08-25 01:38:06,798 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 01:38:06,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1462476830, now seen corresponding path program 1 times [2023-08-25 01:38:06,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 01:38:06,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980651554] [2023-08-25 01:38:06,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 01:38:06,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 01:38:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 01:38:06,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 01:38:06,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 01:38:06,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980651554] [2023-08-25 01:38:06,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980651554] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 01:38:06,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 01:38:06,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 01:38:06,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231309405] [2023-08-25 01:38:06,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 01:38:06,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-25 01:38:06,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 01:38:06,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-25 01:38:06,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-25 01:38:06,863 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 225 [2023-08-25 01:38:06,864 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 19 transitions, 64 flow. Second operand has 4 states, 4 states have (on average 77.5) internal successors, (310), 4 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:06,864 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 01:38:06,864 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 225 [2023-08-25 01:38:06,864 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 01:38:06,959 INFO L124 PetriNetUnfolderBase]: 393/634 cut-off events. [2023-08-25 01:38:06,959 INFO L125 PetriNetUnfolderBase]: For 286/286 co-relation queries the response was YES. [2023-08-25 01:38:06,960 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1530 conditions, 634 events. 393/634 cut-off events. For 286/286 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 2438 event pairs, 129 based on Foata normal form. 42/676 useless extension candidates. Maximal degree in co-relation 1524. Up to 220 conditions per place. [2023-08-25 01:38:06,962 INFO L140 encePairwiseOnDemand]: 221/225 looper letters, 27 selfloop transitions, 3 changer transitions 5/35 dead transitions. [2023-08-25 01:38:06,962 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 35 transitions, 175 flow [2023-08-25 01:38:06,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-25 01:38:06,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-25 01:38:06,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 335 transitions. [2023-08-25 01:38:06,964 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.37222222222222223 [2023-08-25 01:38:06,964 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 335 transitions. [2023-08-25 01:38:06,964 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 335 transitions. [2023-08-25 01:38:06,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 01:38:06,964 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 335 transitions. [2023-08-25 01:38:06,965 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 83.75) internal successors, (335), 4 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:06,967 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 225.0) internal successors, (1125), 5 states have internal predecessors, (1125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:06,967 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 225.0) internal successors, (1125), 5 states have internal predecessors, (1125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:06,967 INFO L175 Difference]: Start difference. First operand has 30 places, 19 transitions, 64 flow. Second operand 4 states and 335 transitions. [2023-08-25 01:38:06,967 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 35 transitions, 175 flow [2023-08-25 01:38:06,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 35 transitions, 169 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-25 01:38:06,969 INFO L231 Difference]: Finished difference. Result has 33 places, 19 transitions, 74 flow [2023-08-25 01:38:06,969 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=74, PETRI_PLACES=33, PETRI_TRANSITIONS=19} [2023-08-25 01:38:06,970 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -17 predicate places. [2023-08-25 01:38:06,970 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 19 transitions, 74 flow [2023-08-25 01:38:06,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 77.5) internal successors, (310), 4 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:06,971 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 01:38:06,971 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 01:38:06,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-25 01:38:06,971 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-08-25 01:38:06,971 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 01:38:06,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1907800251, now seen corresponding path program 1 times [2023-08-25 01:38:06,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 01:38:06,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508575489] [2023-08-25 01:38:06,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 01:38:06,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 01:38:07,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 01:38:07,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 01:38:07,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 01:38:07,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508575489] [2023-08-25 01:38:07,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508575489] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 01:38:07,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 01:38:07,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 01:38:07,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356165982] [2023-08-25 01:38:07,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 01:38:07,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-25 01:38:07,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 01:38:07,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-25 01:38:07,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-25 01:38:07,201 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 225 [2023-08-25 01:38:07,202 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 19 transitions, 74 flow. Second operand has 4 states, 4 states have (on average 76.75) internal successors, (307), 4 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:07,202 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 01:38:07,203 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 225 [2023-08-25 01:38:07,203 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 01:38:07,294 INFO L124 PetriNetUnfolderBase]: 213/377 cut-off events. [2023-08-25 01:38:07,294 INFO L125 PetriNetUnfolderBase]: For 458/458 co-relation queries the response was YES. [2023-08-25 01:38:07,296 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1031 conditions, 377 events. 213/377 cut-off events. For 458/458 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1361 event pairs, 47 based on Foata normal form. 24/401 useless extension candidates. Maximal degree in co-relation 1023. Up to 209 conditions per place. [2023-08-25 01:38:07,297 INFO L140 encePairwiseOnDemand]: 219/225 looper letters, 28 selfloop transitions, 4 changer transitions 21/53 dead transitions. [2023-08-25 01:38:07,297 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 53 transitions, 292 flow [2023-08-25 01:38:07,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 01:38:07,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 01:38:07,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 421 transitions. [2023-08-25 01:38:07,299 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.37422222222222223 [2023-08-25 01:38:07,299 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 421 transitions. [2023-08-25 01:38:07,299 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 421 transitions. [2023-08-25 01:38:07,300 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 01:38:07,300 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 421 transitions. [2023-08-25 01:38:07,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 84.2) internal successors, (421), 5 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:07,303 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 225.0) internal successors, (1350), 6 states have internal predecessors, (1350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:07,304 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 225.0) internal successors, (1350), 6 states have internal predecessors, (1350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:07,304 INFO L175 Difference]: Start difference. First operand has 33 places, 19 transitions, 74 flow. Second operand 5 states and 421 transitions. [2023-08-25 01:38:07,304 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 53 transitions, 292 flow [2023-08-25 01:38:07,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 53 transitions, 265 flow, removed 2 selfloop flow, removed 4 redundant places. [2023-08-25 01:38:07,307 INFO L231 Difference]: Finished difference. Result has 36 places, 22 transitions, 98 flow [2023-08-25 01:38:07,307 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=98, PETRI_PLACES=36, PETRI_TRANSITIONS=22} [2023-08-25 01:38:07,309 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -14 predicate places. [2023-08-25 01:38:07,309 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 22 transitions, 98 flow [2023-08-25 01:38:07,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 76.75) internal successors, (307), 4 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:07,309 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 01:38:07,309 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 01:38:07,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-25 01:38:07,310 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-08-25 01:38:07,310 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 01:38:07,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1607496929, now seen corresponding path program 1 times [2023-08-25 01:38:07,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 01:38:07,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446074709] [2023-08-25 01:38:07,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 01:38:07,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 01:38:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 01:38:07,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 01:38:07,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 01:38:07,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446074709] [2023-08-25 01:38:07,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446074709] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 01:38:07,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 01:38:07,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 01:38:07,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805817572] [2023-08-25 01:38:07,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 01:38:07,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-25 01:38:07,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 01:38:07,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-25 01:38:07,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-08-25 01:38:07,452 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 225 [2023-08-25 01:38:07,452 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 22 transitions, 98 flow. Second operand has 5 states, 5 states have (on average 76.4) internal successors, (382), 5 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:07,452 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 01:38:07,452 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 225 [2023-08-25 01:38:07,452 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 01:38:07,556 INFO L124 PetriNetUnfolderBase]: 137/258 cut-off events. [2023-08-25 01:38:07,556 INFO L125 PetriNetUnfolderBase]: For 250/250 co-relation queries the response was YES. [2023-08-25 01:38:07,557 INFO L83 FinitePrefix]: Finished finitePrefix Result has 839 conditions, 258 events. 137/258 cut-off events. For 250/250 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 854 event pairs, 30 based on Foata normal form. 18/276 useless extension candidates. Maximal degree in co-relation 830. Up to 101 conditions per place. [2023-08-25 01:38:07,558 INFO L140 encePairwiseOnDemand]: 219/225 looper letters, 34 selfloop transitions, 7 changer transitions 17/58 dead transitions. [2023-08-25 01:38:07,558 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 58 transitions, 352 flow [2023-08-25 01:38:07,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 01:38:07,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 01:38:07,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 502 transitions. [2023-08-25 01:38:07,560 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3718518518518519 [2023-08-25 01:38:07,560 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 502 transitions. [2023-08-25 01:38:07,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 502 transitions. [2023-08-25 01:38:07,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 01:38:07,560 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 502 transitions. [2023-08-25 01:38:07,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 83.66666666666667) internal successors, (502), 6 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:07,564 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 225.0) internal successors, (1575), 7 states have internal predecessors, (1575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:07,566 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 225.0) internal successors, (1575), 7 states have internal predecessors, (1575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:07,566 INFO L175 Difference]: Start difference. First operand has 36 places, 22 transitions, 98 flow. Second operand 6 states and 502 transitions. [2023-08-25 01:38:07,566 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 58 transitions, 352 flow [2023-08-25 01:38:07,571 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 58 transitions, 346 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-08-25 01:38:07,571 INFO L231 Difference]: Finished difference. Result has 40 places, 25 transitions, 148 flow [2023-08-25 01:38:07,572 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=148, PETRI_PLACES=40, PETRI_TRANSITIONS=25} [2023-08-25 01:38:07,574 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -10 predicate places. [2023-08-25 01:38:07,577 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 25 transitions, 148 flow [2023-08-25 01:38:07,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 76.4) internal successors, (382), 5 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:07,577 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 01:38:07,577 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 01:38:07,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-25 01:38:07,577 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-08-25 01:38:07,578 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 01:38:07,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1330007806, now seen corresponding path program 1 times [2023-08-25 01:38:07,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 01:38:07,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547870] [2023-08-25 01:38:07,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 01:38:07,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 01:38:07,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 01:38:07,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 01:38:07,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 01:38:07,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547870] [2023-08-25 01:38:07,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547870] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 01:38:07,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 01:38:07,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-25 01:38:07,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797510788] [2023-08-25 01:38:07,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 01:38:07,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 01:38:07,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 01:38:07,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 01:38:07,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-08-25 01:38:07,714 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 225 [2023-08-25 01:38:07,714 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 25 transitions, 148 flow. Second operand has 6 states, 6 states have (on average 76.33333333333333) internal successors, (458), 6 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:07,714 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 01:38:07,714 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 225 [2023-08-25 01:38:07,714 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 01:38:07,801 INFO L124 PetriNetUnfolderBase]: 99/190 cut-off events. [2023-08-25 01:38:07,801 INFO L125 PetriNetUnfolderBase]: For 286/286 co-relation queries the response was YES. [2023-08-25 01:38:07,802 INFO L83 FinitePrefix]: Finished finitePrefix Result has 669 conditions, 190 events. 99/190 cut-off events. For 286/286 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 559 event pairs, 28 based on Foata normal form. 7/197 useless extension candidates. Maximal degree in co-relation 658. Up to 76 conditions per place. [2023-08-25 01:38:07,803 INFO L140 encePairwiseOnDemand]: 219/225 looper letters, 31 selfloop transitions, 10 changer transitions 8/49 dead transitions. [2023-08-25 01:38:07,803 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 49 transitions, 343 flow [2023-08-25 01:38:07,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-25 01:38:07,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-25 01:38:07,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 567 transitions. [2023-08-25 01:38:07,805 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36 [2023-08-25 01:38:07,805 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 567 transitions. [2023-08-25 01:38:07,805 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 567 transitions. [2023-08-25 01:38:07,806 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 01:38:07,806 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 567 transitions. [2023-08-25 01:38:07,807 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 81.0) internal successors, (567), 7 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:07,809 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 225.0) internal successors, (1800), 8 states have internal predecessors, (1800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:07,809 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 225.0) internal successors, (1800), 8 states have internal predecessors, (1800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:07,809 INFO L175 Difference]: Start difference. First operand has 40 places, 25 transitions, 148 flow. Second operand 7 states and 567 transitions. [2023-08-25 01:38:07,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 49 transitions, 343 flow [2023-08-25 01:38:07,811 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 49 transitions, 307 flow, removed 14 selfloop flow, removed 4 redundant places. [2023-08-25 01:38:07,812 INFO L231 Difference]: Finished difference. Result has 43 places, 25 transitions, 150 flow [2023-08-25 01:38:07,812 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=150, PETRI_PLACES=43, PETRI_TRANSITIONS=25} [2023-08-25 01:38:07,812 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -7 predicate places. [2023-08-25 01:38:07,812 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 25 transitions, 150 flow [2023-08-25 01:38:07,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 76.33333333333333) internal successors, (458), 6 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:07,813 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 01:38:07,813 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 01:38:07,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-25 01:38:07,813 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-08-25 01:38:07,813 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 01:38:07,814 INFO L85 PathProgramCache]: Analyzing trace with hash 2077743626, now seen corresponding path program 1 times [2023-08-25 01:38:07,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 01:38:07,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279185081] [2023-08-25 01:38:07,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 01:38:07,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 01:38:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 01:38:07,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 01:38:07,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 01:38:07,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279185081] [2023-08-25 01:38:07,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279185081] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 01:38:07,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 01:38:07,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 01:38:07,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771205388] [2023-08-25 01:38:07,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 01:38:07,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-25 01:38:07,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 01:38:07,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-25 01:38:07,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-25 01:38:07,864 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 225 [2023-08-25 01:38:07,865 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 25 transitions, 150 flow. Second operand has 4 states, 4 states have (on average 79.25) internal successors, (317), 4 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:07,865 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 01:38:07,865 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 225 [2023-08-25 01:38:07,865 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 01:38:07,940 INFO L124 PetriNetUnfolderBase]: 101/197 cut-off events. [2023-08-25 01:38:07,940 INFO L125 PetriNetUnfolderBase]: For 319/319 co-relation queries the response was YES. [2023-08-25 01:38:07,941 INFO L83 FinitePrefix]: Finished finitePrefix Result has 708 conditions, 197 events. 101/197 cut-off events. For 319/319 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 625 event pairs, 17 based on Foata normal form. 1/198 useless extension candidates. Maximal degree in co-relation 696. Up to 140 conditions per place. [2023-08-25 01:38:07,941 INFO L140 encePairwiseOnDemand]: 222/225 looper letters, 26 selfloop transitions, 1 changer transitions 21/48 dead transitions. [2023-08-25 01:38:07,942 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 48 transitions, 391 flow [2023-08-25 01:38:07,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-25 01:38:07,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-25 01:38:07,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 333 transitions. [2023-08-25 01:38:07,943 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.37 [2023-08-25 01:38:07,943 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 333 transitions. [2023-08-25 01:38:07,943 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 333 transitions. [2023-08-25 01:38:07,944 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 01:38:07,944 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 333 transitions. [2023-08-25 01:38:07,945 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 83.25) internal successors, (333), 4 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:07,946 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 225.0) internal successors, (1125), 5 states have internal predecessors, (1125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:07,946 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 225.0) internal successors, (1125), 5 states have internal predecessors, (1125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:07,946 INFO L175 Difference]: Start difference. First operand has 43 places, 25 transitions, 150 flow. Second operand 4 states and 333 transitions. [2023-08-25 01:38:07,946 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 48 transitions, 391 flow [2023-08-25 01:38:07,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 48 transitions, 310 flow, removed 23 selfloop flow, removed 7 redundant places. [2023-08-25 01:38:07,949 INFO L231 Difference]: Finished difference. Result has 39 places, 23 transitions, 105 flow [2023-08-25 01:38:07,949 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=105, PETRI_PLACES=39, PETRI_TRANSITIONS=23} [2023-08-25 01:38:07,949 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -11 predicate places. [2023-08-25 01:38:07,949 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 23 transitions, 105 flow [2023-08-25 01:38:07,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 79.25) internal successors, (317), 4 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:07,950 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 01:38:07,950 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 01:38:07,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-25 01:38:07,950 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-08-25 01:38:07,950 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 01:38:07,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1309253962, now seen corresponding path program 2 times [2023-08-25 01:38:07,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 01:38:07,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747639979] [2023-08-25 01:38:07,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 01:38:07,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 01:38:07,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 01:38:07,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 01:38:07,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 01:38:07,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747639979] [2023-08-25 01:38:07,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747639979] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 01:38:07,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 01:38:07,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 01:38:07,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800566167] [2023-08-25 01:38:07,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 01:38:07,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 01:38:07,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 01:38:07,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 01:38:07,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 01:38:07,995 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 225 [2023-08-25 01:38:07,995 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 23 transitions, 105 flow. Second operand has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:07,995 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 01:38:07,996 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 225 [2023-08-25 01:38:07,996 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 01:38:08,030 INFO L124 PetriNetUnfolderBase]: 73/145 cut-off events. [2023-08-25 01:38:08,030 INFO L125 PetriNetUnfolderBase]: For 155/155 co-relation queries the response was YES. [2023-08-25 01:38:08,031 INFO L83 FinitePrefix]: Finished finitePrefix Result has 485 conditions, 145 events. 73/145 cut-off events. For 155/155 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 404 event pairs, 33 based on Foata normal form. 1/146 useless extension candidates. Maximal degree in co-relation 475. Up to 77 conditions per place. [2023-08-25 01:38:08,031 INFO L140 encePairwiseOnDemand]: 223/225 looper letters, 0 selfloop transitions, 0 changer transitions 30/30 dead transitions. [2023-08-25 01:38:08,031 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 30 transitions, 197 flow [2023-08-25 01:38:08,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 01:38:08,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 01:38:08,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 251 transitions. [2023-08-25 01:38:08,033 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3718518518518519 [2023-08-25 01:38:08,033 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 251 transitions. [2023-08-25 01:38:08,033 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 251 transitions. [2023-08-25 01:38:08,033 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 01:38:08,033 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 251 transitions. [2023-08-25 01:38:08,034 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 83.66666666666667) internal successors, (251), 3 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:08,035 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 225.0) internal successors, (900), 4 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:08,035 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 225.0) internal successors, (900), 4 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:08,036 INFO L175 Difference]: Start difference. First operand has 39 places, 23 transitions, 105 flow. Second operand 3 states and 251 transitions. [2023-08-25 01:38:08,036 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 30 transitions, 197 flow [2023-08-25 01:38:08,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 30 transitions, 194 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-25 01:38:08,037 INFO L231 Difference]: Finished difference. Result has 37 places, 0 transitions, 0 flow [2023-08-25 01:38:08,037 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=37, PETRI_TRANSITIONS=0} [2023-08-25 01:38:08,038 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -13 predicate places. [2023-08-25 01:38:08,038 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 0 transitions, 0 flow [2023-08-25 01:38:08,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 01:38:08,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (39 of 40 remaining) [2023-08-25 01:38:08,041 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (38 of 40 remaining) [2023-08-25 01:38:08,042 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (37 of 40 remaining) [2023-08-25 01:38:08,042 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (36 of 40 remaining) [2023-08-25 01:38:08,042 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (35 of 40 remaining) [2023-08-25 01:38:08,042 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (34 of 40 remaining) [2023-08-25 01:38:08,042 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (33 of 40 remaining) [2023-08-25 01:38:08,042 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (32 of 40 remaining) [2023-08-25 01:38:08,044 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (31 of 40 remaining) [2023-08-25 01:38:08,044 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (30 of 40 remaining) [2023-08-25 01:38:08,044 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (29 of 40 remaining) [2023-08-25 01:38:08,044 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (28 of 40 remaining) [2023-08-25 01:38:08,045 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (27 of 40 remaining) [2023-08-25 01:38:08,045 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err5ASSERT_VIOLATIONDATA_RACE (26 of 40 remaining) [2023-08-25 01:38:08,045 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (25 of 40 remaining) [2023-08-25 01:38:08,045 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (24 of 40 remaining) [2023-08-25 01:38:08,045 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (23 of 40 remaining) [2023-08-25 01:38:08,045 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (22 of 40 remaining) [2023-08-25 01:38:08,045 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (21 of 40 remaining) [2023-08-25 01:38:08,045 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (20 of 40 remaining) [2023-08-25 01:38:08,045 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (19 of 40 remaining) [2023-08-25 01:38:08,046 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (18 of 40 remaining) [2023-08-25 01:38:08,046 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONASSERT (17 of 40 remaining) [2023-08-25 01:38:08,046 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 40 remaining) [2023-08-25 01:38:08,046 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 40 remaining) [2023-08-25 01:38:08,046 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 40 remaining) [2023-08-25 01:38:08,046 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (13 of 40 remaining) [2023-08-25 01:38:08,046 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (12 of 40 remaining) [2023-08-25 01:38:08,046 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (11 of 40 remaining) [2023-08-25 01:38:08,046 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (10 of 40 remaining) [2023-08-25 01:38:08,047 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (9 of 40 remaining) [2023-08-25 01:38:08,047 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (8 of 40 remaining) [2023-08-25 01:38:08,047 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (7 of 40 remaining) [2023-08-25 01:38:08,047 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (6 of 40 remaining) [2023-08-25 01:38:08,047 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (5 of 40 remaining) [2023-08-25 01:38:08,047 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (4 of 40 remaining) [2023-08-25 01:38:08,047 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (3 of 40 remaining) [2023-08-25 01:38:08,047 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (2 of 40 remaining) [2023-08-25 01:38:08,047 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (1 of 40 remaining) [2023-08-25 01:38:08,048 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err5ASSERT_VIOLATIONDATA_RACE (0 of 40 remaining) [2023-08-25 01:38:08,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-25 01:38:08,048 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 01:38:08,053 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 01:38:08,053 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 01:38:08,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 01:38:08 BasicIcfg [2023-08-25 01:38:08,056 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 01:38:08,057 INFO L158 Benchmark]: Toolchain (without parser) took 7765.04ms. Allocated memory was 388.0MB in the beginning and 532.7MB in the end (delta: 144.7MB). Free memory was 363.2MB in the beginning and 208.2MB in the end (delta: 155.1MB). Peak memory consumption was 300.3MB. Max. memory is 16.0GB. [2023-08-25 01:38:08,057 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 388.0MB. Free memory is still 364.5MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 01:38:08,057 INFO L158 Benchmark]: CACSL2BoogieTranslator took 494.69ms. Allocated memory is still 388.0MB. Free memory was 363.2MB in the beginning and 342.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. [2023-08-25 01:38:08,057 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.03ms. Allocated memory is still 388.0MB. Free memory was 342.3MB in the beginning and 340.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 01:38:08,059 INFO L158 Benchmark]: Boogie Preprocessor took 25.59ms. Allocated memory is still 388.0MB. Free memory was 340.2MB in the beginning and 338.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 01:38:08,059 INFO L158 Benchmark]: RCFGBuilder took 696.47ms. Allocated memory is still 388.0MB. Free memory was 338.6MB in the beginning and 360.7MB in the end (delta: -22.1MB). Peak memory consumption was 33.5MB. Max. memory is 16.0GB. [2023-08-25 01:38:08,060 INFO L158 Benchmark]: TraceAbstraction took 6481.43ms. Allocated memory was 388.0MB in the beginning and 532.7MB in the end (delta: 144.7MB). Free memory was 359.7MB in the beginning and 208.2MB in the end (delta: 151.5MB). Peak memory consumption was 296.2MB. Max. memory is 16.0GB. [2023-08-25 01:38:08,061 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 388.0MB. Free memory is still 364.5MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 494.69ms. Allocated memory is still 388.0MB. Free memory was 363.2MB in the beginning and 342.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 61.03ms. Allocated memory is still 388.0MB. Free memory was 342.3MB in the beginning and 340.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 25.59ms. Allocated memory is still 388.0MB. Free memory was 340.2MB in the beginning and 338.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 696.47ms. Allocated memory is still 388.0MB. Free memory was 338.6MB in the beginning and 360.7MB in the end (delta: -22.1MB). Peak memory consumption was 33.5MB. Max. memory is 16.0GB. * TraceAbstraction took 6481.43ms. Allocated memory was 388.0MB in the beginning and 532.7MB in the end (delta: 144.7MB). Free memory was 359.7MB in the beginning and 208.2MB in the end (delta: 151.5MB). Peak memory consumption was 296.2MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 267]: Unsoundness Warning unspecified type, defaulting to int C: short [267] - GenericResultAtLocation [Line: 267]: Unsoundness Warning unspecified type, defaulting to int C: short [267] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.2s, 119 PlacesBefore, 50 PlacesAfterwards, 112 TransitionsBefore, 41 TransitionsAfterwards, 3916 CoEnabledTransitionPairs, 7 FixpointIterations, 20 TrivialSequentialCompositions, 79 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 2 ChoiceCompositions, 110 TotalNumberOfCompositions, 13217 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6533, independent: 6268, independent conditional: 0, independent unconditional: 6268, dependent: 265, dependent conditional: 0, dependent unconditional: 265, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2222, independent: 2151, independent conditional: 0, independent unconditional: 2151, dependent: 71, dependent conditional: 0, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6533, independent: 4117, independent conditional: 0, independent unconditional: 4117, dependent: 194, dependent conditional: 0, dependent unconditional: 194, unknown: 2222, unknown conditional: 0, unknown unconditional: 2222] , Statistics on independence cache: Total cache size (in pairs): 260, Positive cache size: 243, Positive conditional cache size: 0, Positive unconditional cache size: 243, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 725]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 733]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 733]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 740]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 743]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 748]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 748]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 755]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 755]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 758]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 758]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 763]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 763]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 787]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 17]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 151 locations, 40 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: 6.4s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 131 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 131 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 448 IncrementalHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 0 mSDtfsCounter, 448 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=150occurred in iteration=7, InterpolantAutomatonStates: 37, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 264 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 23 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-25 01:38:08,078 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 Received shutdown request...