/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/weaver/popl20-more-min-le-max.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 06:35:14,994 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 06:35:15,078 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 06:35:15,085 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 06:35:15,085 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 06:35:15,114 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 06:35:15,115 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 06:35:15,115 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 06:35:15,116 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 06:35:15,119 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 06:35:15,119 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 06:35:15,120 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 06:35:15,120 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 06:35:15,121 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 06:35:15,121 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 06:35:15,121 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 06:35:15,122 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 06:35:15,122 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 06:35:15,122 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 06:35:15,122 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 06:35:15,122 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 06:35:15,123 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 06:35:15,124 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 06:35:15,124 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 06:35:15,124 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 06:35:15,124 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 06:35:15,125 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 06:35:15,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 06:35:15,125 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 06:35:15,125 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 06:35:15,126 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 06:35:15,127 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 06:35:15,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 06:35:15,127 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 06:35:15,127 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 06:35:15,127 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 06:35:15,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 06:35:15,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 06:35:15,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 06:35:15,432 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 06:35:15,432 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 06:35:15,433 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-min-le-max.wvr.c [2023-08-25 06:35:16,576 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 06:35:16,786 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 06:35:16,786 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-min-le-max.wvr.c [2023-08-25 06:35:16,791 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd7e3da5b/70879186b01e4085bab1bdbd25d10cd7/FLAGb1eb1cae1 [2023-08-25 06:35:16,803 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd7e3da5b/70879186b01e4085bab1bdbd25d10cd7 [2023-08-25 06:35:16,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 06:35:16,806 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 06:35:16,807 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 06:35:16,807 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 06:35:16,809 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 06:35:16,811 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 06:35:16" (1/1) ... [2023-08-25 06:35:16,811 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f16a035 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 06:35:16, skipping insertion in model container [2023-08-25 06:35:16,812 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 06:35:16" (1/1) ... [2023-08-25 06:35:16,835 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 06:35:17,036 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 06:35:17,043 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 06:35:17,088 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 06:35:17,098 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 06:35:17,099 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 06:35:17,104 INFO L206 MainTranslator]: Completed translation [2023-08-25 06:35:17,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 06:35:17 WrapperNode [2023-08-25 06:35:17,105 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 06:35:17,106 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 06:35:17,107 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 06:35:17,107 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 06:35:17,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 06:35:17" (1/1) ... [2023-08-25 06:35:17,132 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 06:35:17" (1/1) ... [2023-08-25 06:35:17,164 INFO L138 Inliner]: procedures = 24, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 167 [2023-08-25 06:35:17,164 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 06:35:17,165 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 06:35:17,165 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 06:35:17,165 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 06:35:17,174 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 06:35:17" (1/1) ... [2023-08-25 06:35:17,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 06:35:17" (1/1) ... [2023-08-25 06:35:17,189 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 06:35:17" (1/1) ... [2023-08-25 06:35:17,189 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 06:35:17" (1/1) ... [2023-08-25 06:35:17,199 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 06:35:17" (1/1) ... [2023-08-25 06:35:17,206 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 06:35:17" (1/1) ... [2023-08-25 06:35:17,208 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 06:35:17" (1/1) ... [2023-08-25 06:35:17,209 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 06:35:17" (1/1) ... [2023-08-25 06:35:17,222 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 06:35:17,223 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 06:35:17,223 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 06:35:17,223 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 06:35:17,224 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 06:35:17" (1/1) ... [2023-08-25 06:35:17,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 06:35:17,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 06:35:17,250 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 06:35:17,277 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 06:35:17,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 06:35:17,294 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-25 06:35:17,295 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-25 06:35:17,295 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-25 06:35:17,296 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-25 06:35:17,296 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-25 06:35:17,296 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-25 06:35:17,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 06:35:17,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 06:35:17,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 06:35:17,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-25 06:35:17,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-25 06:35:17,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-25 06:35:17,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 06:35:17,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 06:35:17,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 06:35:17,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 06:35:17,298 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 06:35:17,400 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 06:35:17,402 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 06:35:17,829 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 06:35:17,973 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 06:35:17,973 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-25 06:35:17,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 06:35:17 BoogieIcfgContainer [2023-08-25 06:35:17,976 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 06:35:17,978 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 06:35:17,978 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 06:35:17,981 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 06:35:17,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 06:35:16" (1/3) ... [2023-08-25 06:35:17,982 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@632dd3cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 06:35:17, skipping insertion in model container [2023-08-25 06:35:17,982 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 06:35:17" (2/3) ... [2023-08-25 06:35:17,982 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@632dd3cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 06:35:17, skipping insertion in model container [2023-08-25 06:35:17,982 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 06:35:17" (3/3) ... [2023-08-25 06:35:17,984 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-min-le-max.wvr.c [2023-08-25 06:35:18,000 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 06:35:18,001 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2023-08-25 06:35:18,001 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 06:35:18,085 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-25 06:35:18,122 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 237 places, 237 transitions, 498 flow [2023-08-25 06:35:18,225 INFO L124 PetriNetUnfolderBase]: 10/234 cut-off events. [2023-08-25 06:35:18,225 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-08-25 06:35:18,231 INFO L83 FinitePrefix]: Finished finitePrefix Result has 247 conditions, 234 events. 10/234 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 215 event pairs, 0 based on Foata normal form. 0/191 useless extension candidates. Maximal degree in co-relation 180. Up to 2 conditions per place. [2023-08-25 06:35:18,231 INFO L82 GeneralOperation]: Start removeDead. Operand has 237 places, 237 transitions, 498 flow [2023-08-25 06:35:18,261 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 223 places, 223 transitions, 464 flow [2023-08-25 06:35:18,264 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 06:35:18,277 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 223 places, 223 transitions, 464 flow [2023-08-25 06:35:18,281 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 223 places, 223 transitions, 464 flow [2023-08-25 06:35:18,281 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 223 places, 223 transitions, 464 flow [2023-08-25 06:35:18,338 INFO L124 PetriNetUnfolderBase]: 10/223 cut-off events. [2023-08-25 06:35:18,338 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-08-25 06:35:18,340 INFO L83 FinitePrefix]: Finished finitePrefix Result has 236 conditions, 223 events. 10/223 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 217 event pairs, 0 based on Foata normal form. 0/181 useless extension candidates. Maximal degree in co-relation 180. Up to 2 conditions per place. [2023-08-25 06:35:18,343 INFO L119 LiptonReduction]: Number of co-enabled transitions 3404 [2023-08-25 06:35:26,513 INFO L134 LiptonReduction]: Checked pairs total: 21945 [2023-08-25 06:35:26,513 INFO L136 LiptonReduction]: Total number of compositions: 223 [2023-08-25 06:35:26,525 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 06:35:26,530 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;@1b3b3590, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 06:35:26,530 INFO L358 AbstractCegarLoop]: Starting to check reachability of 53 error locations. [2023-08-25 06:35:26,531 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 06:35:26,531 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-25 06:35:26,531 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 06:35:26,531 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 06:35:26,532 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-25 06:35:26,532 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2023-08-25 06:35:26,536 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 06:35:26,536 INFO L85 PathProgramCache]: Analyzing trace with hash 974, now seen corresponding path program 1 times [2023-08-25 06:35:26,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 06:35:26,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423669392] [2023-08-25 06:35:26,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 06:35:26,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 06:35:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 06:35:26,618 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 06:35:26,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 06:35:26,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423669392] [2023-08-25 06:35:26,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423669392] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 06:35:26,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 06:35:26,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-25 06:35:26,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210996233] [2023-08-25 06:35:26,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 06:35:26,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-25 06:35:26,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 06:35:26,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-25 06:35:26,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-25 06:35:26,650 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 460 [2023-08-25 06:35:26,655 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 68 transitions, 154 flow. Second operand has 2 states, 2 states have (on average 205.5) internal successors, (411), 2 states have internal predecessors, (411), 0 states have call successors, (0), 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 06:35:26,655 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 06:35:26,655 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 460 [2023-08-25 06:35:26,656 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 06:35:26,788 INFO L124 PetriNetUnfolderBase]: 211/442 cut-off events. [2023-08-25 06:35:26,789 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2023-08-25 06:35:26,792 INFO L83 FinitePrefix]: Finished finitePrefix Result has 797 conditions, 442 events. 211/442 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 2068 event pairs, 118 based on Foata normal form. 90/447 useless extension candidates. Maximal degree in co-relation 659. Up to 308 conditions per place. [2023-08-25 06:35:26,796 INFO L140 encePairwiseOnDemand]: 430/460 looper letters, 21 selfloop transitions, 0 changer transitions 0/38 dead transitions. [2023-08-25 06:35:26,796 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 38 transitions, 136 flow [2023-08-25 06:35:26,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-25 06:35:26,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-25 06:35:26,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 461 transitions. [2023-08-25 06:35:26,812 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5010869565217392 [2023-08-25 06:35:26,813 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 461 transitions. [2023-08-25 06:35:26,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 461 transitions. [2023-08-25 06:35:26,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 06:35:26,818 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 461 transitions. [2023-08-25 06:35:26,822 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 230.5) internal successors, (461), 2 states have internal predecessors, (461), 0 states have call successors, (0), 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 06:35:26,827 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 460.0) internal successors, (1380), 3 states have internal predecessors, (1380), 0 states have call successors, (0), 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 06:35:26,828 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 460.0) internal successors, (1380), 3 states have internal predecessors, (1380), 0 states have call successors, (0), 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 06:35:26,829 INFO L175 Difference]: Start difference. First operand has 73 places, 68 transitions, 154 flow. Second operand 2 states and 461 transitions. [2023-08-25 06:35:26,830 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 38 transitions, 136 flow [2023-08-25 06:35:26,832 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 38 transitions, 124 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-25 06:35:26,834 INFO L231 Difference]: Finished difference. Result has 40 places, 38 transitions, 82 flow [2023-08-25 06:35:26,835 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=460, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=82, PETRI_PLACES=40, PETRI_TRANSITIONS=38} [2023-08-25 06:35:26,838 INFO L281 CegarLoopForPetriNet]: 73 programPoint places, -33 predicate places. [2023-08-25 06:35:26,838 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 38 transitions, 82 flow [2023-08-25 06:35:26,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 205.5) internal successors, (411), 2 states have internal predecessors, (411), 0 states have call successors, (0), 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 06:35:26,839 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 06:35:26,839 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-25 06:35:26,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 06:35:26,840 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2023-08-25 06:35:26,844 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 06:35:26,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1045696553, now seen corresponding path program 1 times [2023-08-25 06:35:26,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 06:35:26,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905661782] [2023-08-25 06:35:26,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 06:35:26,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 06:35:26,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 06:35:27,020 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 06:35:27,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 06:35:27,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905661782] [2023-08-25 06:35:27,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905661782] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 06:35:27,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 06:35:27,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 06:35:27,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800916150] [2023-08-25 06:35:27,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 06:35:27,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 06:35:27,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 06:35:27,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 06:35:27,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 06:35:27,025 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 460 [2023-08-25 06:35:27,026 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 38 transitions, 82 flow. Second operand has 3 states, 3 states have (on average 191.66666666666666) internal successors, (575), 3 states have internal predecessors, (575), 0 states have call successors, (0), 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 06:35:27,026 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 06:35:27,026 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 460 [2023-08-25 06:35:27,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 06:35:27,130 INFO L124 PetriNetUnfolderBase]: 338/676 cut-off events. [2023-08-25 06:35:27,130 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2023-08-25 06:35:27,132 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1233 conditions, 676 events. 338/676 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 3108 event pairs, 271 based on Foata normal form. 0/573 useless extension candidates. Maximal degree in co-relation 1230. Up to 523 conditions per place. [2023-08-25 06:35:27,134 INFO L140 encePairwiseOnDemand]: 457/460 looper letters, 23 selfloop transitions, 1 changer transitions 0/36 dead transitions. [2023-08-25 06:35:27,135 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 36 transitions, 126 flow [2023-08-25 06:35:27,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 06:35:27,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 06:35:27,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 596 transitions. [2023-08-25 06:35:27,137 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4318840579710145 [2023-08-25 06:35:27,137 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 596 transitions. [2023-08-25 06:35:27,138 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 596 transitions. [2023-08-25 06:35:27,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 06:35:27,138 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 596 transitions. [2023-08-25 06:35:27,139 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 0 states have call successors, (0), 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 06:35:27,143 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 460.0) internal successors, (1840), 4 states have internal predecessors, (1840), 0 states have call successors, (0), 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 06:35:27,144 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 460.0) internal successors, (1840), 4 states have internal predecessors, (1840), 0 states have call successors, (0), 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 06:35:27,144 INFO L175 Difference]: Start difference. First operand has 40 places, 38 transitions, 82 flow. Second operand 3 states and 596 transitions. [2023-08-25 06:35:27,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 36 transitions, 126 flow [2023-08-25 06:35:27,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 36 transitions, 126 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 06:35:27,147 INFO L231 Difference]: Finished difference. Result has 40 places, 36 transitions, 80 flow [2023-08-25 06:35:27,147 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=460, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=80, PETRI_PLACES=40, PETRI_TRANSITIONS=36} [2023-08-25 06:35:27,148 INFO L281 CegarLoopForPetriNet]: 73 programPoint places, -33 predicate places. [2023-08-25 06:35:27,148 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 36 transitions, 80 flow [2023-08-25 06:35:27,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 191.66666666666666) internal successors, (575), 3 states have internal predecessors, (575), 0 states have call successors, (0), 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 06:35:27,151 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 06:35:27,152 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 06:35:27,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 06:35:27,156 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2023-08-25 06:35:27,159 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 06:35:27,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1080860672, now seen corresponding path program 1 times [2023-08-25 06:35:27,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 06:35:27,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449835505] [2023-08-25 06:35:27,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 06:35:27,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 06:35:27,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 06:35:27,583 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 06:35:27,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 06:35:27,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449835505] [2023-08-25 06:35:27,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449835505] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 06:35:27,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 06:35:27,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 06:35:27,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130959291] [2023-08-25 06:35:27,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 06:35:27,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 06:35:27,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 06:35:27,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 06:35:27,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 06:35:27,586 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 460 [2023-08-25 06:35:27,588 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 36 transitions, 80 flow. Second operand has 6 states, 6 states have (on average 165.0) internal successors, (990), 6 states have internal predecessors, (990), 0 states have call successors, (0), 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 06:35:27,588 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 06:35:27,588 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 460 [2023-08-25 06:35:27,588 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 06:35:27,881 INFO L124 PetriNetUnfolderBase]: 562/812 cut-off events. [2023-08-25 06:35:27,881 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 06:35:27,883 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1618 conditions, 812 events. 562/812 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3318 event pairs, 56 based on Foata normal form. 0/701 useless extension candidates. Maximal degree in co-relation 1614. Up to 323 conditions per place. [2023-08-25 06:35:27,886 INFO L140 encePairwiseOnDemand]: 455/460 looper letters, 50 selfloop transitions, 4 changer transitions 0/59 dead transitions. [2023-08-25 06:35:27,886 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 59 transitions, 234 flow [2023-08-25 06:35:27,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 06:35:27,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 06:35:27,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1033 transitions. [2023-08-25 06:35:27,889 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.37427536231884057 [2023-08-25 06:35:27,889 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1033 transitions. [2023-08-25 06:35:27,890 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1033 transitions. [2023-08-25 06:35:27,890 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 06:35:27,890 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1033 transitions. [2023-08-25 06:35:27,892 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 172.16666666666666) internal successors, (1033), 6 states have internal predecessors, (1033), 0 states have call successors, (0), 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 06:35:27,896 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 460.0) internal successors, (3220), 7 states have internal predecessors, (3220), 0 states have call successors, (0), 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 06:35:27,898 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 460.0) internal successors, (3220), 7 states have internal predecessors, (3220), 0 states have call successors, (0), 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 06:35:27,898 INFO L175 Difference]: Start difference. First operand has 40 places, 36 transitions, 80 flow. Second operand 6 states and 1033 transitions. [2023-08-25 06:35:27,898 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 59 transitions, 234 flow [2023-08-25 06:35:27,898 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 59 transitions, 233 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 06:35:27,899 INFO L231 Difference]: Finished difference. Result has 43 places, 35 transitions, 85 flow [2023-08-25 06:35:27,900 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=460, PETRI_DIFFERENCE_MINUEND_FLOW=77, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=85, PETRI_PLACES=43, PETRI_TRANSITIONS=35} [2023-08-25 06:35:27,900 INFO L281 CegarLoopForPetriNet]: 73 programPoint places, -30 predicate places. [2023-08-25 06:35:27,900 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 35 transitions, 85 flow [2023-08-25 06:35:27,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 165.0) internal successors, (990), 6 states have internal predecessors, (990), 0 states have call successors, (0), 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 06:35:27,901 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 06:35:27,901 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 06:35:27,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-25 06:35:27,902 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2023-08-25 06:35:27,902 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 06:35:27,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1944695619, now seen corresponding path program 1 times [2023-08-25 06:35:27,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 06:35:27,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160839985] [2023-08-25 06:35:27,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 06:35:27,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 06:35:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 06:35:28,167 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 06:35:28,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 06:35:28,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160839985] [2023-08-25 06:35:28,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160839985] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 06:35:28,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 06:35:28,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 06:35:28,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808643236] [2023-08-25 06:35:28,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 06:35:28,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 06:35:28,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 06:35:28,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 06:35:28,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 06:35:28,171 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 460 [2023-08-25 06:35:28,172 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 35 transitions, 85 flow. Second operand has 6 states, 6 states have (on average 166.16666666666666) internal successors, (997), 6 states have internal predecessors, (997), 0 states have call successors, (0), 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 06:35:28,172 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 06:35:28,172 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 460 [2023-08-25 06:35:28,172 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 06:35:28,384 INFO L124 PetriNetUnfolderBase]: 551/795 cut-off events. [2023-08-25 06:35:28,385 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2023-08-25 06:35:28,386 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1680 conditions, 795 events. 551/795 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3245 event pairs, 293 based on Foata normal form. 0/690 useless extension candidates. Maximal degree in co-relation 1676. Up to 675 conditions per place. [2023-08-25 06:35:28,389 INFO L140 encePairwiseOnDemand]: 455/460 looper letters, 37 selfloop transitions, 4 changer transitions 0/46 dead transitions. [2023-08-25 06:35:28,389 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 46 transitions, 189 flow [2023-08-25 06:35:28,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 06:35:28,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 06:35:28,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1020 transitions. [2023-08-25 06:35:28,392 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3695652173913043 [2023-08-25 06:35:28,393 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1020 transitions. [2023-08-25 06:35:28,393 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1020 transitions. [2023-08-25 06:35:28,393 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 06:35:28,393 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1020 transitions. [2023-08-25 06:35:28,395 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 170.0) internal successors, (1020), 6 states have internal predecessors, (1020), 0 states have call successors, (0), 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 06:35:28,399 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 460.0) internal successors, (3220), 7 states have internal predecessors, (3220), 0 states have call successors, (0), 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 06:35:28,401 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 460.0) internal successors, (3220), 7 states have internal predecessors, (3220), 0 states have call successors, (0), 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 06:35:28,401 INFO L175 Difference]: Start difference. First operand has 43 places, 35 transitions, 85 flow. Second operand 6 states and 1020 transitions. [2023-08-25 06:35:28,401 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 46 transitions, 189 flow [2023-08-25 06:35:28,402 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 46 transitions, 182 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-25 06:35:28,403 INFO L231 Difference]: Finished difference. Result has 43 places, 34 transitions, 84 flow [2023-08-25 06:35:28,403 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=460, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=84, PETRI_PLACES=43, PETRI_TRANSITIONS=34} [2023-08-25 06:35:28,404 INFO L281 CegarLoopForPetriNet]: 73 programPoint places, -30 predicate places. [2023-08-25 06:35:28,404 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 34 transitions, 84 flow [2023-08-25 06:35:28,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 166.16666666666666) internal successors, (997), 6 states have internal predecessors, (997), 0 states have call successors, (0), 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 06:35:28,405 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 06:35:28,405 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 06:35:28,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-25 06:35:28,405 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2023-08-25 06:35:28,406 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 06:35:28,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1645187411, now seen corresponding path program 1 times [2023-08-25 06:35:28,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 06:35:28,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568101330] [2023-08-25 06:35:28,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 06:35:28,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 06:35:28,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 06:35:28,547 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 06:35:28,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 06:35:28,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568101330] [2023-08-25 06:35:28,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568101330] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 06:35:28,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 06:35:28,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-25 06:35:28,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845917769] [2023-08-25 06:35:28,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 06:35:28,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-25 06:35:28,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 06:35:28,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-25 06:35:28,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-08-25 06:35:28,551 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 460 [2023-08-25 06:35:28,552 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 34 transitions, 84 flow. Second operand has 4 states, 4 states have (on average 197.5) internal successors, (790), 4 states have internal predecessors, (790), 0 states have call successors, (0), 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 06:35:28,552 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 06:35:28,552 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 460 [2023-08-25 06:35:28,552 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 06:35:28,684 INFO L124 PetriNetUnfolderBase]: 278/529 cut-off events. [2023-08-25 06:35:28,684 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2023-08-25 06:35:28,685 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1009 conditions, 529 events. 278/529 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2451 event pairs, 119 based on Foata normal form. 0/483 useless extension candidates. Maximal degree in co-relation 1005. Up to 285 conditions per place. [2023-08-25 06:35:28,688 INFO L140 encePairwiseOnDemand]: 456/460 looper letters, 29 selfloop transitions, 3 changer transitions 0/44 dead transitions. [2023-08-25 06:35:28,688 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 44 transitions, 170 flow [2023-08-25 06:35:28,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-25 06:35:28,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-25 06:35:28,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 805 transitions. [2023-08-25 06:35:28,690 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4375 [2023-08-25 06:35:28,691 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 805 transitions. [2023-08-25 06:35:28,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 805 transitions. [2023-08-25 06:35:28,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 06:35:28,691 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 805 transitions. [2023-08-25 06:35:28,693 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 201.25) internal successors, (805), 4 states have internal predecessors, (805), 0 states have call successors, (0), 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 06:35:28,696 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 460.0) internal successors, (2300), 5 states have internal predecessors, (2300), 0 states have call successors, (0), 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 06:35:28,696 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 460.0) internal successors, (2300), 5 states have internal predecessors, (2300), 0 states have call successors, (0), 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 06:35:28,696 INFO L175 Difference]: Start difference. First operand has 43 places, 34 transitions, 84 flow. Second operand 4 states and 805 transitions. [2023-08-25 06:35:28,696 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 44 transitions, 170 flow [2023-08-25 06:35:28,697 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 44 transitions, 163 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-25 06:35:28,698 INFO L231 Difference]: Finished difference. Result has 43 places, 35 transitions, 91 flow [2023-08-25 06:35:28,698 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=460, PETRI_DIFFERENCE_MINUEND_FLOW=77, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=91, PETRI_PLACES=43, PETRI_TRANSITIONS=35} [2023-08-25 06:35:28,699 INFO L281 CegarLoopForPetriNet]: 73 programPoint places, -30 predicate places. [2023-08-25 06:35:28,699 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 35 transitions, 91 flow [2023-08-25 06:35:28,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 197.5) internal successors, (790), 4 states have internal predecessors, (790), 0 states have call successors, (0), 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 06:35:28,699 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 06:35:28,700 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 06:35:28,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-25 06:35:28,700 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2023-08-25 06:35:28,700 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 06:35:28,700 INFO L85 PathProgramCache]: Analyzing trace with hash 479537536, now seen corresponding path program 1 times [2023-08-25 06:35:28,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 06:35:28,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201369681] [2023-08-25 06:35:28,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 06:35:28,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 06:35:28,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 06:35:28,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 06:35:28,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 06:35:28,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201369681] [2023-08-25 06:35:28,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201369681] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 06:35:28,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 06:35:28,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-25 06:35:28,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659648677] [2023-08-25 06:35:28,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 06:35:28,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-25 06:35:28,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 06:35:28,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-25 06:35:28,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-08-25 06:35:28,840 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 460 [2023-08-25 06:35:28,841 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 35 transitions, 91 flow. Second operand has 5 states, 5 states have (on average 179.0) internal successors, (895), 5 states have internal predecessors, (895), 0 states have call successors, (0), 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 06:35:28,841 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 06:35:28,841 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 460 [2023-08-25 06:35:28,841 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 06:35:28,980 INFO L124 PetriNetUnfolderBase]: 281/540 cut-off events. [2023-08-25 06:35:28,981 INFO L125 PetriNetUnfolderBase]: For 113/113 co-relation queries the response was YES. [2023-08-25 06:35:28,982 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1112 conditions, 540 events. 281/540 cut-off events. For 113/113 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 2531 event pairs, 183 based on Foata normal form. 1/515 useless extension candidates. Maximal degree in co-relation 1107. Up to 419 conditions per place. [2023-08-25 06:35:28,984 INFO L140 encePairwiseOnDemand]: 457/460 looper letters, 22 selfloop transitions, 2 changer transitions 0/36 dead transitions. [2023-08-25 06:35:28,984 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 36 transitions, 141 flow [2023-08-25 06:35:28,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 06:35:28,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 06:35:28,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 549 transitions. [2023-08-25 06:35:28,986 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3978260869565217 [2023-08-25 06:35:28,986 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 549 transitions. [2023-08-25 06:35:28,986 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 549 transitions. [2023-08-25 06:35:28,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 06:35:28,987 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 549 transitions. [2023-08-25 06:35:28,988 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 183.0) internal successors, (549), 3 states have internal predecessors, (549), 0 states have call successors, (0), 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 06:35:28,989 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 460.0) internal successors, (1840), 4 states have internal predecessors, (1840), 0 states have call successors, (0), 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 06:35:28,990 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 460.0) internal successors, (1840), 4 states have internal predecessors, (1840), 0 states have call successors, (0), 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 06:35:28,990 INFO L175 Difference]: Start difference. First operand has 43 places, 35 transitions, 91 flow. Second operand 3 states and 549 transitions. [2023-08-25 06:35:28,990 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 36 transitions, 141 flow [2023-08-25 06:35:28,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 36 transitions, 137 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-25 06:35:28,992 INFO L231 Difference]: Finished difference. Result has 44 places, 36 transitions, 99 flow [2023-08-25 06:35:28,992 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=460, PETRI_DIFFERENCE_MINUEND_FLOW=87, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=99, PETRI_PLACES=44, PETRI_TRANSITIONS=36} [2023-08-25 06:35:28,992 INFO L281 CegarLoopForPetriNet]: 73 programPoint places, -29 predicate places. [2023-08-25 06:35:28,992 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 36 transitions, 99 flow [2023-08-25 06:35:28,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 179.0) internal successors, (895), 5 states have internal predecessors, (895), 0 states have call successors, (0), 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 06:35:28,993 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 06:35:28,993 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 06:35:28,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-25 06:35:28,993 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2023-08-25 06:35:28,994 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 06:35:28,994 INFO L85 PathProgramCache]: Analyzing trace with hash -934002250, now seen corresponding path program 1 times [2023-08-25 06:35:28,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 06:35:28,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457358689] [2023-08-25 06:35:28,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 06:35:28,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 06:35:29,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 06:35:29,124 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 06:35:29,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 06:35:29,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457358689] [2023-08-25 06:35:29,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457358689] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-25 06:35:29,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033391612] [2023-08-25 06:35:29,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 06:35:29,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 06:35:29,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 06:35:29,130 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-25 06:35:29,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-08-25 06:35:29,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 06:35:29,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 6 conjunts are in the unsatisfiable core [2023-08-25 06:35:29,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-25 06:35:29,388 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 06:35:29,388 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-25 06:35:29,434 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 06:35:29,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2033391612] provided 1 perfect and 1 imperfect interpolant sequences [2023-08-25 06:35:29,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-08-25 06:35:29,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 4] total 9 [2023-08-25 06:35:29,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551590949] [2023-08-25 06:35:29,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 06:35:29,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-25 06:35:29,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 06:35:29,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-25 06:35:29,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-08-25 06:35:29,437 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 460 [2023-08-25 06:35:29,438 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 36 transitions, 99 flow. Second operand has 5 states, 5 states have (on average 179.2) internal successors, (896), 5 states have internal predecessors, (896), 0 states have call successors, (0), 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 06:35:29,438 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 06:35:29,438 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 460 [2023-08-25 06:35:29,438 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 06:35:29,565 INFO L124 PetriNetUnfolderBase]: 278/599 cut-off events. [2023-08-25 06:35:29,565 INFO L125 PetriNetUnfolderBase]: For 79/103 co-relation queries the response was YES. [2023-08-25 06:35:29,567 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1170 conditions, 599 events. 278/599 cut-off events. For 79/103 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 2983 event pairs, 157 based on Foata normal form. 58/642 useless extension candidates. Maximal degree in co-relation 1164. Up to 332 conditions per place. [2023-08-25 06:35:29,569 INFO L140 encePairwiseOnDemand]: 455/460 looper letters, 31 selfloop transitions, 4 changer transitions 0/47 dead transitions. [2023-08-25 06:35:29,569 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 47 transitions, 199 flow [2023-08-25 06:35:29,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 06:35:29,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 06:35:29,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 909 transitions. [2023-08-25 06:35:29,572 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39521739130434785 [2023-08-25 06:35:29,572 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 909 transitions. [2023-08-25 06:35:29,572 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 909 transitions. [2023-08-25 06:35:29,573 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 06:35:29,573 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 909 transitions. [2023-08-25 06:35:29,575 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 181.8) internal successors, (909), 5 states have internal predecessors, (909), 0 states have call successors, (0), 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 06:35:29,577 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 460.0) internal successors, (2760), 6 states have internal predecessors, (2760), 0 states have call successors, (0), 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 06:35:29,578 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 460.0) internal successors, (2760), 6 states have internal predecessors, (2760), 0 states have call successors, (0), 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 06:35:29,578 INFO L175 Difference]: Start difference. First operand has 44 places, 36 transitions, 99 flow. Second operand 5 states and 909 transitions. [2023-08-25 06:35:29,578 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 47 transitions, 199 flow [2023-08-25 06:35:29,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 47 transitions, 195 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-25 06:35:29,580 INFO L231 Difference]: Finished difference. Result has 48 places, 37 transitions, 111 flow [2023-08-25 06:35:29,580 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=460, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=111, PETRI_PLACES=48, PETRI_TRANSITIONS=37} [2023-08-25 06:35:29,581 INFO L281 CegarLoopForPetriNet]: 73 programPoint places, -25 predicate places. [2023-08-25 06:35:29,581 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 37 transitions, 111 flow [2023-08-25 06:35:29,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 179.2) internal successors, (896), 5 states have internal predecessors, (896), 0 states have call successors, (0), 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 06:35:29,582 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 06:35:29,582 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 06:35:29,591 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-08-25 06:35:29,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 06:35:29,792 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2023-08-25 06:35:29,792 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 06:35:29,792 INFO L85 PathProgramCache]: Analyzing trace with hash 278746774, now seen corresponding path program 1 times [2023-08-25 06:35:29,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 06:35:29,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458210348] [2023-08-25 06:35:29,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 06:35:29,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 06:35:29,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 06:35:30,262 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-25 06:35:30,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 06:35:30,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458210348] [2023-08-25 06:35:30,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458210348] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-25 06:35:30,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [884458033] [2023-08-25 06:35:30,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 06:35:30,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 06:35:30,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 06:35:30,264 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-25 06:35:30,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-08-25 06:35:30,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 06:35:30,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 33 conjunts are in the unsatisfiable core [2023-08-25 06:35:30,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-25 06:35:30,467 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-08-25 06:35:30,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-25 06:35:30,503 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2023-08-25 06:35:30,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-25 06:35:30,561 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2023-08-25 06:35:30,626 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-08-25 06:35:30,630 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-08-25 06:35:30,676 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 42 [2023-08-25 06:35:30,682 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 55 [2023-08-25 06:35:30,766 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 06:35:30,766 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-25 06:35:30,858 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 51 [2023-08-25 06:35:30,913 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-08-25 06:35:30,913 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 75 treesize of output 91 [2023-08-25 06:35:30,949 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-08-25 06:35:30,950 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2023-08-25 06:35:31,198 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-25 06:35:31,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [884458033] provided 1 perfect and 1 imperfect interpolant sequences [2023-08-25 06:35:31,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-08-25 06:35:31,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4, 8] total 15 [2023-08-25 06:35:31,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004042399] [2023-08-25 06:35:31,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 06:35:31,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-25 06:35:31,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 06:35:31,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-25 06:35:31,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=178, Unknown=1, NotChecked=0, Total=240 [2023-08-25 06:35:31,201 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 460 [2023-08-25 06:35:31,202 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 37 transitions, 111 flow. Second operand has 7 states, 7 states have (on average 161.71428571428572) internal successors, (1132), 7 states have internal predecessors, (1132), 0 states have call successors, (0), 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 06:35:31,202 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 06:35:31,203 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 460 [2023-08-25 06:35:31,203 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 06:35:31,343 INFO L124 PetriNetUnfolderBase]: 326/612 cut-off events. [2023-08-25 06:35:31,343 INFO L125 PetriNetUnfolderBase]: For 323/347 co-relation queries the response was YES. [2023-08-25 06:35:31,344 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1480 conditions, 612 events. 326/612 cut-off events. For 323/347 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 2773 event pairs, 131 based on Foata normal form. 25/620 useless extension candidates. Maximal degree in co-relation 1473. Up to 295 conditions per place. [2023-08-25 06:35:31,345 INFO L140 encePairwiseOnDemand]: 457/460 looper letters, 0 selfloop transitions, 0 changer transitions 53/53 dead transitions. [2023-08-25 06:35:31,345 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 53 transitions, 252 flow [2023-08-25 06:35:31,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-25 06:35:31,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-25 06:35:31,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 673 transitions. [2023-08-25 06:35:31,347 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3657608695652174 [2023-08-25 06:35:31,348 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 673 transitions. [2023-08-25 06:35:31,348 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 673 transitions. [2023-08-25 06:35:31,348 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 06:35:31,348 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 673 transitions. [2023-08-25 06:35:31,349 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 168.25) internal successors, (673), 4 states have internal predecessors, (673), 0 states have call successors, (0), 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 06:35:31,352 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 460.0) internal successors, (2300), 5 states have internal predecessors, (2300), 0 states have call successors, (0), 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 06:35:31,352 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 460.0) internal successors, (2300), 5 states have internal predecessors, (2300), 0 states have call successors, (0), 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 06:35:31,352 INFO L175 Difference]: Start difference. First operand has 48 places, 37 transitions, 111 flow. Second operand 4 states and 673 transitions. [2023-08-25 06:35:31,352 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 53 transitions, 252 flow [2023-08-25 06:35:31,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 53 transitions, 244 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-25 06:35:31,354 INFO L231 Difference]: Finished difference. Result has 47 places, 0 transitions, 0 flow [2023-08-25 06:35:31,354 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=460, PETRI_DIFFERENCE_MINUEND_FLOW=103, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=47, PETRI_TRANSITIONS=0} [2023-08-25 06:35:31,355 INFO L281 CegarLoopForPetriNet]: 73 programPoint places, -26 predicate places. [2023-08-25 06:35:31,355 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 0 transitions, 0 flow [2023-08-25 06:35:31,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 161.71428571428572) internal successors, (1132), 7 states have internal predecessors, (1132), 0 states have call successors, (0), 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 06:35:31,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (52 of 53 remaining) [2023-08-25 06:35:31,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (51 of 53 remaining) [2023-08-25 06:35:31,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (50 of 53 remaining) [2023-08-25 06:35:31,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (49 of 53 remaining) [2023-08-25 06:35:31,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (48 of 53 remaining) [2023-08-25 06:35:31,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (47 of 53 remaining) [2023-08-25 06:35:31,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (46 of 53 remaining) [2023-08-25 06:35:31,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (45 of 53 remaining) [2023-08-25 06:35:31,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (44 of 53 remaining) [2023-08-25 06:35:31,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (43 of 53 remaining) [2023-08-25 06:35:31,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (42 of 53 remaining) [2023-08-25 06:35:31,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (41 of 53 remaining) [2023-08-25 06:35:31,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (40 of 53 remaining) [2023-08-25 06:35:31,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (39 of 53 remaining) [2023-08-25 06:35:31,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (38 of 53 remaining) [2023-08-25 06:35:31,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (37 of 53 remaining) [2023-08-25 06:35:31,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (36 of 53 remaining) [2023-08-25 06:35:31,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (35 of 53 remaining) [2023-08-25 06:35:31,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (34 of 53 remaining) [2023-08-25 06:35:31,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (33 of 53 remaining) [2023-08-25 06:35:31,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (32 of 53 remaining) [2023-08-25 06:35:31,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (31 of 53 remaining) [2023-08-25 06:35:31,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (30 of 53 remaining) [2023-08-25 06:35:31,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (29 of 53 remaining) [2023-08-25 06:35:31,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (28 of 53 remaining) [2023-08-25 06:35:31,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (27 of 53 remaining) [2023-08-25 06:35:31,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (26 of 53 remaining) [2023-08-25 06:35:31,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (25 of 53 remaining) [2023-08-25 06:35:31,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (24 of 53 remaining) [2023-08-25 06:35:31,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (23 of 53 remaining) [2023-08-25 06:35:31,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (22 of 53 remaining) [2023-08-25 06:35:31,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (21 of 53 remaining) [2023-08-25 06:35:31,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONASSERT (20 of 53 remaining) [2023-08-25 06:35:31,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 53 remaining) [2023-08-25 06:35:31,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 53 remaining) [2023-08-25 06:35:31,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 53 remaining) [2023-08-25 06:35:31,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (16 of 53 remaining) [2023-08-25 06:35:31,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (15 of 53 remaining) [2023-08-25 06:35:31,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (14 of 53 remaining) [2023-08-25 06:35:31,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (13 of 53 remaining) [2023-08-25 06:35:31,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (12 of 53 remaining) [2023-08-25 06:35:31,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (11 of 53 remaining) [2023-08-25 06:35:31,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (10 of 53 remaining) [2023-08-25 06:35:31,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (9 of 53 remaining) [2023-08-25 06:35:31,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (8 of 53 remaining) [2023-08-25 06:35:31,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (7 of 53 remaining) [2023-08-25 06:35:31,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (6 of 53 remaining) [2023-08-25 06:35:31,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (5 of 53 remaining) [2023-08-25 06:35:31,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (4 of 53 remaining) [2023-08-25 06:35:31,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (3 of 53 remaining) [2023-08-25 06:35:31,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (2 of 53 remaining) [2023-08-25 06:35:31,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (1 of 53 remaining) [2023-08-25 06:35:31,364 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (0 of 53 remaining) [2023-08-25 06:35:31,373 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-08-25 06:35:31,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-08-25 06:35:31,570 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 06:35:31,575 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 06:35:31,575 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 06:35:31,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 06:35:31 BasicIcfg [2023-08-25 06:35:31,578 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 06:35:31,578 INFO L158 Benchmark]: Toolchain (without parser) took 14772.15ms. Allocated memory was 390.1MB in the beginning and 564.1MB in the end (delta: 174.1MB). Free memory was 366.0MB in the beginning and 277.0MB in the end (delta: 88.9MB). Peak memory consumption was 265.5MB. Max. memory is 16.0GB. [2023-08-25 06:35:31,578 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 390.1MB. Free memory was 367.3MB in the beginning and 367.2MB in the end (delta: 94.3kB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 06:35:31,579 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.32ms. Allocated memory is still 390.1MB. Free memory was 366.0MB in the beginning and 353.7MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2023-08-25 06:35:31,579 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.19ms. Allocated memory is still 390.1MB. Free memory was 353.2MB in the beginning and 351.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 06:35:31,579 INFO L158 Benchmark]: Boogie Preprocessor took 57.37ms. Allocated memory is still 390.1MB. Free memory was 351.1MB in the beginning and 348.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 06:35:31,579 INFO L158 Benchmark]: RCFGBuilder took 752.84ms. Allocated memory is still 390.1MB. Free memory was 348.5MB in the beginning and 301.3MB in the end (delta: 47.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.0GB. [2023-08-25 06:35:31,580 INFO L158 Benchmark]: TraceAbstraction took 13599.38ms. Allocated memory was 390.1MB in the beginning and 564.1MB in the end (delta: 174.1MB). Free memory was 300.7MB in the beginning and 277.0MB in the end (delta: 23.7MB). Peak memory consumption was 200.5MB. Max. memory is 16.0GB. [2023-08-25 06:35:31,581 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 390.1MB. Free memory was 367.3MB in the beginning and 367.2MB in the end (delta: 94.3kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 298.32ms. Allocated memory is still 390.1MB. Free memory was 366.0MB in the beginning and 353.7MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 58.19ms. Allocated memory is still 390.1MB. Free memory was 353.2MB in the beginning and 351.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 57.37ms. Allocated memory is still 390.1MB. Free memory was 351.1MB in the beginning and 348.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 752.84ms. Allocated memory is still 390.1MB. Free memory was 348.5MB in the beginning and 301.3MB in the end (delta: 47.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.0GB. * TraceAbstraction took 13599.38ms. Allocated memory was 390.1MB in the beginning and 564.1MB in the end (delta: 174.1MB). Free memory was 300.7MB in the beginning and 277.0MB in the end (delta: 23.7MB). Peak memory consumption was 200.5MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.2s, 223 PlacesBefore, 73 PlacesAfterwards, 223 TransitionsBefore, 68 TransitionsAfterwards, 3404 CoEnabledTransitionPairs, 10 FixpointIterations, 157 TrivialSequentialCompositions, 44 ConcurrentSequentialCompositions, 11 TrivialYvCompositions, 6 ConcurrentYvCompositions, 5 ChoiceCompositions, 223 TotalNumberOfCompositions, 21945 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6869, independent: 6193, independent conditional: 0, independent unconditional: 6193, dependent: 676, dependent conditional: 0, dependent unconditional: 676, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1672, independent: 1581, independent conditional: 0, independent unconditional: 1581, dependent: 91, dependent conditional: 0, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6869, independent: 4612, independent conditional: 0, independent unconditional: 4612, dependent: 585, dependent conditional: 0, dependent unconditional: 585, unknown: 1672, unknown conditional: 0, unknown unconditional: 1672] , Statistics on independence cache: Total cache size (in pairs): 339, Positive cache size: 291, Positive conditional cache size: 0, Positive unconditional cache size: 291, Negative cache size: 48, Negative conditional cache size: 0, Negative unconditional cache size: 48, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 21]: 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, 276 locations, 53 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: 13.5s, OverallIterations: 8, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 182 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 182 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 495 IncrementalHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 19 mSDtfsCounter, 495 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 167 GetRequests, 124 SyntacticMatches, 5 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=154occurred in iteration=0, InterpolantAutomatonStates: 33, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 239 NumberOfCodeBlocks, 239 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 296 ConstructedInterpolants, 5 QuantifiedInterpolants, 1832 SizeOfPredicates, 29 NumberOfNonLiveVariables, 740 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 15/26 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 33 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-25 06:35:31,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...