/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf --traceabstraction.order.of.the.error.locations.to.be.checked PROGRAM_FIRST -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true -i ../../../trunk/examples/svcomp/weaver/chl-collitem-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-26 08:38:00,579 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-26 08:38:00,644 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf [2023-08-26 08:38:00,647 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-26 08:38:00,648 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-26 08:38:00,679 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-26 08:38:00,679 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-26 08:38:00,680 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-26 08:38:00,680 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-26 08:38:00,683 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-26 08:38:00,683 INFO L153 SettingsManager]: * Use SBE=true [2023-08-26 08:38:00,683 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-26 08:38:00,684 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-26 08:38:00,684 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-26 08:38:00,685 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-26 08:38:00,685 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-26 08:38:00,685 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-26 08:38:00,685 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-26 08:38:00,685 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-26 08:38:00,685 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-26 08:38:00,685 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-26 08:38:00,686 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-26 08:38:00,686 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-26 08:38:00,687 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-26 08:38:00,687 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-26 08:38:00,687 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-26 08:38:00,687 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-26 08:38:00,687 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 08:38:00,687 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-26 08:38:00,687 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-26 08:38:00,688 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-26 08:38:00,688 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-26 08:38:00,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-26 08:38:00,688 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-26 08:38:00,689 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-26 08:38:00,689 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> PROGRAM_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-26 08:38:00,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-26 08:38:00,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-26 08:38:00,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-26 08:38:00,964 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-26 08:38:00,964 INFO L274 PluginConnector]: CDTParser initialized [2023-08-26 08:38:00,965 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-collitem-symm.wvr.c [2023-08-26 08:38:02,044 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-26 08:38:02,185 INFO L384 CDTParser]: Found 1 translation units. [2023-08-26 08:38:02,186 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-collitem-symm.wvr.c [2023-08-26 08:38:02,190 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9f4c456a/318db462efba43c2951ad699d6d76098/FLAG0883bb816 [2023-08-26 08:38:02,203 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9f4c456a/318db462efba43c2951ad699d6d76098 [2023-08-26 08:38:02,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-26 08:38:02,209 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-26 08:38:02,211 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-26 08:38:02,212 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-26 08:38:02,213 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-26 08:38:02,214 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:38:02" (1/1) ... [2023-08-26 08:38:02,215 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d6a2a14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:38:02, skipping insertion in model container [2023-08-26 08:38:02,215 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:38:02" (1/1) ... [2023-08-26 08:38:02,232 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-26 08:38:02,334 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 08:38:02,340 INFO L201 MainTranslator]: Completed pre-run [2023-08-26 08:38:02,358 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 08:38:02,363 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-26 08:38:02,363 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-26 08:38:02,367 INFO L206 MainTranslator]: Completed translation [2023-08-26 08:38:02,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:38:02 WrapperNode [2023-08-26 08:38:02,367 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-26 08:38:02,368 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-26 08:38:02,368 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-26 08:38:02,368 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-26 08:38:02,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:38:02" (1/1) ... [2023-08-26 08:38:02,378 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:38:02" (1/1) ... [2023-08-26 08:38:02,402 INFO L138 Inliner]: procedures = 22, calls = 36, calls flagged for inlining = 16, calls inlined = 30, statements flattened = 426 [2023-08-26 08:38:02,402 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-26 08:38:02,402 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-26 08:38:02,403 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-26 08:38:02,403 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-26 08:38:02,408 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:38:02" (1/1) ... [2023-08-26 08:38:02,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:38:02" (1/1) ... [2023-08-26 08:38:02,411 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:38:02" (1/1) ... [2023-08-26 08:38:02,411 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:38:02" (1/1) ... [2023-08-26 08:38:02,417 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:38:02" (1/1) ... [2023-08-26 08:38:02,419 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:38:02" (1/1) ... [2023-08-26 08:38:02,421 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:38:02" (1/1) ... [2023-08-26 08:38:02,422 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:38:02" (1/1) ... [2023-08-26 08:38:02,424 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-26 08:38:02,425 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-26 08:38:02,425 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-26 08:38:02,425 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-26 08:38:02,425 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:38:02" (1/1) ... [2023-08-26 08:38:02,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 08:38:02,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 08:38:02,445 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-26 08:38:02,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-26 08:38:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-26 08:38:02,492 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-26 08:38:02,492 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-26 08:38:02,492 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-26 08:38:02,493 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-26 08:38:02,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-26 08:38:02,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-26 08:38:02,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-26 08:38:02,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-26 08:38:02,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-26 08:38:02,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-26 08:38:02,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-26 08:38:02,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-26 08:38:02,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-26 08:38:02,495 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-26 08:38:02,572 INFO L236 CfgBuilder]: Building ICFG [2023-08-26 08:38:02,574 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-26 08:38:03,015 INFO L277 CfgBuilder]: Performing block encoding [2023-08-26 08:38:03,469 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-26 08:38:03,470 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-26 08:38:03,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:38:03 BoogieIcfgContainer [2023-08-26 08:38:03,472 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-26 08:38:03,473 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-26 08:38:03,474 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-26 08:38:03,475 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-26 08:38:03,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 08:38:02" (1/3) ... [2023-08-26 08:38:03,476 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b33c469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:38:03, skipping insertion in model container [2023-08-26 08:38:03,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:38:02" (2/3) ... [2023-08-26 08:38:03,476 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b33c469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:38:03, skipping insertion in model container [2023-08-26 08:38:03,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:38:03" (3/3) ... [2023-08-26 08:38:03,477 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-collitem-symm.wvr.c [2023-08-26 08:38:03,488 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-26 08:38:03,489 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 55 error locations. [2023-08-26 08:38:03,489 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-26 08:38:03,572 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-26 08:38:03,603 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 248 places, 247 transitions, 510 flow [2023-08-26 08:38:03,685 INFO L124 PetriNetUnfolderBase]: 6/245 cut-off events. [2023-08-26 08:38:03,685 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-26 08:38:03,688 INFO L83 FinitePrefix]: Finished finitePrefix Result has 254 conditions, 245 events. 6/245 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 295 event pairs, 0 based on Foata normal form. 0/184 useless extension candidates. Maximal degree in co-relation 94. Up to 2 conditions per place. [2023-08-26 08:38:03,689 INFO L82 GeneralOperation]: Start removeDead. Operand has 248 places, 247 transitions, 510 flow [2023-08-26 08:38:03,696 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 237 places, 236 transitions, 484 flow [2023-08-26 08:38:03,699 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-26 08:38:03,708 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 237 places, 236 transitions, 484 flow [2023-08-26 08:38:03,710 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 237 places, 236 transitions, 484 flow [2023-08-26 08:38:03,710 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 237 places, 236 transitions, 484 flow [2023-08-26 08:38:03,756 INFO L124 PetriNetUnfolderBase]: 6/236 cut-off events. [2023-08-26 08:38:03,756 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-26 08:38:03,758 INFO L83 FinitePrefix]: Finished finitePrefix Result has 245 conditions, 236 events. 6/236 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 292 event pairs, 0 based on Foata normal form. 0/176 useless extension candidates. Maximal degree in co-relation 85. Up to 2 conditions per place. [2023-08-26 08:38:03,759 INFO L119 LiptonReduction]: Number of co-enabled transitions 2268 [2023-08-26 08:38:12,436 INFO L134 LiptonReduction]: Checked pairs total: 2070 [2023-08-26 08:38:12,437 INFO L136 LiptonReduction]: Total number of compositions: 252 [2023-08-26 08:38:12,451 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-26 08:38:12,455 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;@5c64d6e6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-26 08:38:12,455 INFO L358 AbstractCegarLoop]: Starting to check reachability of 93 error locations. [2023-08-26 08:38:12,456 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-26 08:38:12,456 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-26 08:38:12,456 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 08:38:12,457 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 08:38:12,457 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-26 08:38:12,457 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 89 more)] === [2023-08-26 08:38:12,460 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 08:38:12,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1677, now seen corresponding path program 1 times [2023-08-26 08:38:12,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 08:38:12,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753016641] [2023-08-26 08:38:12,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 08:38:12,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 08:38:12,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 08:38:12,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 08:38:12,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 08:38:12,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753016641] [2023-08-26 08:38:12,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753016641] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 08:38:12,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 08:38:12,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-26 08:38:12,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643189788] [2023-08-26 08:38:12,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 08:38:12,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-26 08:38:12,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 08:38:12,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-26 08:38:12,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-26 08:38:12,547 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 499 [2023-08-26 08:38:12,549 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 65 transitions, 142 flow. Second operand has 2 states, 2 states have (on average 201.5) internal successors, (403), 2 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 08:38:12,549 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 08:38:12,549 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 499 [2023-08-26 08:38:12,549 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 08:38:12,620 INFO L124 PetriNetUnfolderBase]: 9/28 cut-off events. [2023-08-26 08:38:12,621 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-08-26 08:38:12,621 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 28 events. 9/28 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 32 event pairs, 9 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 40. Up to 29 conditions per place. [2023-08-26 08:38:12,622 INFO L140 encePairwiseOnDemand]: 445/499 looper letters, 11 selfloop transitions, 0 changer transitions 0/11 dead transitions. [2023-08-26 08:38:12,622 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 11 transitions, 56 flow [2023-08-26 08:38:12,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-26 08:38:12,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-26 08:38:12,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 467 transitions. [2023-08-26 08:38:12,641 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.467935871743487 [2023-08-26 08:38:12,642 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 467 transitions. [2023-08-26 08:38:12,642 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 467 transitions. [2023-08-26 08:38:12,645 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 08:38:12,647 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 467 transitions. [2023-08-26 08:38:12,652 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 233.5) internal successors, (467), 2 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 08:38:12,656 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 499.0) internal successors, (1497), 3 states have internal predecessors, (1497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 08:38:12,657 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 499.0) internal successors, (1497), 3 states have internal predecessors, (1497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 08:38:12,658 INFO L175 Difference]: Start difference. First operand has 72 places, 65 transitions, 142 flow. Second operand 2 states and 467 transitions. [2023-08-26 08:38:12,659 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 11 transitions, 56 flow [2023-08-26 08:38:12,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 15 places, 11 transitions, 48 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-26 08:38:12,662 INFO L231 Difference]: Finished difference. Result has 15 places, 11 transitions, 26 flow [2023-08-26 08:38:12,664 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=26, PETRI_DIFFERENCE_MINUEND_PLACES=14, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=26, PETRI_PLACES=15, PETRI_TRANSITIONS=11} [2023-08-26 08:38:12,666 INFO L281 CegarLoopForPetriNet]: 72 programPoint places, -57 predicate places. [2023-08-26 08:38:12,667 INFO L495 AbstractCegarLoop]: Abstraction has has 15 places, 11 transitions, 26 flow [2023-08-26 08:38:12,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 201.5) internal successors, (403), 2 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 08:38:12,668 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 08:38:12,668 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 08:38:12,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-26 08:38:12,668 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 89 more)] === [2023-08-26 08:38:12,675 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 08:38:12,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1701262971, now seen corresponding path program 1 times [2023-08-26 08:38:12,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 08:38:12,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041711569] [2023-08-26 08:38:12,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 08:38:12,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 08:38:12,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 08:38:15,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 08:38:15,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 08:38:15,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041711569] [2023-08-26 08:38:15,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041711569] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 08:38:15,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 08:38:15,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-26 08:38:15,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642895593] [2023-08-26 08:38:15,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 08:38:15,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-26 08:38:15,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 08:38:15,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-26 08:38:15,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-26 08:38:15,055 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 499 [2023-08-26 08:38:15,056 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 15 places, 11 transitions, 26 flow. Second operand has 4 states, 4 states have (on average 177.75) internal successors, (711), 4 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 08:38:15,056 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 08:38:15,056 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 499 [2023-08-26 08:38:15,056 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 08:38:15,225 INFO L124 PetriNetUnfolderBase]: 8/32 cut-off events. [2023-08-26 08:38:15,225 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-08-26 08:38:15,225 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 32 events. 8/32 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 61 event pairs, 1 based on Foata normal form. 1/33 useless extension candidates. Maximal degree in co-relation 67. Up to 16 conditions per place. [2023-08-26 08:38:15,226 INFO L140 encePairwiseOnDemand]: 496/499 looper letters, 11 selfloop transitions, 1 changer transitions 7/19 dead transitions. [2023-08-26 08:38:15,226 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 18 places, 19 transitions, 83 flow [2023-08-26 08:38:15,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-26 08:38:15,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-26 08:38:15,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 720 transitions. [2023-08-26 08:38:15,228 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36072144288577157 [2023-08-26 08:38:15,228 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 720 transitions. [2023-08-26 08:38:15,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 720 transitions. [2023-08-26 08:38:15,229 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 08:38:15,229 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 720 transitions. [2023-08-26 08:38:15,231 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 180.0) internal successors, (720), 4 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 08:38:15,234 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 499.0) internal successors, (2495), 5 states have internal predecessors, (2495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 08:38:15,235 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 499.0) internal successors, (2495), 5 states have internal predecessors, (2495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 08:38:15,235 INFO L175 Difference]: Start difference. First operand has 15 places, 11 transitions, 26 flow. Second operand 4 states and 720 transitions. [2023-08-26 08:38:15,235 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 18 places, 19 transitions, 83 flow [2023-08-26 08:38:15,235 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 19 transitions, 83 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-26 08:38:15,236 INFO L231 Difference]: Finished difference. Result has 20 places, 11 transitions, 33 flow [2023-08-26 08:38:15,236 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=26, PETRI_DIFFERENCE_MINUEND_PLACES=15, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=33, PETRI_PLACES=20, PETRI_TRANSITIONS=11} [2023-08-26 08:38:15,237 INFO L281 CegarLoopForPetriNet]: 72 programPoint places, -52 predicate places. [2023-08-26 08:38:15,237 INFO L495 AbstractCegarLoop]: Abstraction has has 20 places, 11 transitions, 33 flow [2023-08-26 08:38:15,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 177.75) internal successors, (711), 4 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 08:38:15,238 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 08:38:15,238 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 08:38:15,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-26 08:38:15,241 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 89 more)] === [2023-08-26 08:38:15,242 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 08:38:15,242 INFO L85 PathProgramCache]: Analyzing trace with hash -250606489, now seen corresponding path program 2 times [2023-08-26 08:38:15,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 08:38:15,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096606820] [2023-08-26 08:38:15,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 08:38:15,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 08:38:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 08:38:16,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 08:38:16,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 08:38:16,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096606820] [2023-08-26 08:38:16,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096606820] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 08:38:16,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 08:38:16,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-26 08:38:16,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801614613] [2023-08-26 08:38:16,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 08:38:16,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-26 08:38:16,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 08:38:16,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-26 08:38:16,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-26 08:38:16,154 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 499 [2023-08-26 08:38:16,155 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 11 transitions, 33 flow. Second operand has 4 states, 4 states have (on average 177.75) internal successors, (711), 4 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 08:38:16,155 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 08:38:16,155 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 499 [2023-08-26 08:38:16,155 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 08:38:16,248 INFO L124 PetriNetUnfolderBase]: 5/23 cut-off events. [2023-08-26 08:38:16,248 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2023-08-26 08:38:16,248 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 23 events. 5/23 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 24 event pairs, 3 based on Foata normal form. 1/24 useless extension candidates. Maximal degree in co-relation 57. Up to 15 conditions per place. [2023-08-26 08:38:16,249 INFO L140 encePairwiseOnDemand]: 496/499 looper letters, 0 selfloop transitions, 0 changer transitions 15/15 dead transitions. [2023-08-26 08:38:16,249 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 15 transitions, 73 flow [2023-08-26 08:38:16,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-26 08:38:16,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-26 08:38:16,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 716 transitions. [2023-08-26 08:38:16,250 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3587174348697395 [2023-08-26 08:38:16,251 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 716 transitions. [2023-08-26 08:38:16,251 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 716 transitions. [2023-08-26 08:38:16,251 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 08:38:16,251 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 716 transitions. [2023-08-26 08:38:16,252 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 08:38:16,255 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 499.0) internal successors, (2495), 5 states have internal predecessors, (2495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 08:38:16,255 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 499.0) internal successors, (2495), 5 states have internal predecessors, (2495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 08:38:16,256 INFO L175 Difference]: Start difference. First operand has 20 places, 11 transitions, 33 flow. Second operand 4 states and 716 transitions. [2023-08-26 08:38:16,256 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 15 transitions, 73 flow [2023-08-26 08:38:16,256 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 15 transitions, 71 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-26 08:38:16,256 INFO L231 Difference]: Finished difference. Result has 20 places, 0 transitions, 0 flow [2023-08-26 08:38:16,256 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=28, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=10, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=20, PETRI_TRANSITIONS=0} [2023-08-26 08:38:16,257 INFO L281 CegarLoopForPetriNet]: 72 programPoint places, -52 predicate places. [2023-08-26 08:38:16,257 INFO L495 AbstractCegarLoop]: Abstraction has has 20 places, 0 transitions, 0 flow [2023-08-26 08:38:16,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 177.75) internal successors, (711), 4 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 08:38:16,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (92 of 93 remaining) [2023-08-26 08:38:16,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (91 of 93 remaining) [2023-08-26 08:38:16,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (90 of 93 remaining) [2023-08-26 08:38:16,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (89 of 93 remaining) [2023-08-26 08:38:16,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (88 of 93 remaining) [2023-08-26 08:38:16,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (87 of 93 remaining) [2023-08-26 08:38:16,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (86 of 93 remaining) [2023-08-26 08:38:16,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (85 of 93 remaining) [2023-08-26 08:38:16,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (84 of 93 remaining) [2023-08-26 08:38:16,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (83 of 93 remaining) [2023-08-26 08:38:16,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (82 of 93 remaining) [2023-08-26 08:38:16,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (81 of 93 remaining) [2023-08-26 08:38:16,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (80 of 93 remaining) [2023-08-26 08:38:16,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (79 of 93 remaining) [2023-08-26 08:38:16,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (78 of 93 remaining) [2023-08-26 08:38:16,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (77 of 93 remaining) [2023-08-26 08:38:16,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (76 of 93 remaining) [2023-08-26 08:38:16,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (75 of 93 remaining) [2023-08-26 08:38:16,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (74 of 93 remaining) [2023-08-26 08:38:16,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (73 of 93 remaining) [2023-08-26 08:38:16,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (72 of 93 remaining) [2023-08-26 08:38:16,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (71 of 93 remaining) [2023-08-26 08:38:16,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (70 of 93 remaining) [2023-08-26 08:38:16,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (69 of 93 remaining) [2023-08-26 08:38:16,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (68 of 93 remaining) [2023-08-26 08:38:16,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (67 of 93 remaining) [2023-08-26 08:38:16,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (66 of 93 remaining) [2023-08-26 08:38:16,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (65 of 93 remaining) [2023-08-26 08:38:16,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (64 of 93 remaining) [2023-08-26 08:38:16,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (63 of 93 remaining) [2023-08-26 08:38:16,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (62 of 93 remaining) [2023-08-26 08:38:16,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (61 of 93 remaining) [2023-08-26 08:38:16,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (60 of 93 remaining) [2023-08-26 08:38:16,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (59 of 93 remaining) [2023-08-26 08:38:16,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (58 of 93 remaining) [2023-08-26 08:38:16,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (57 of 93 remaining) [2023-08-26 08:38:16,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (56 of 93 remaining) [2023-08-26 08:38:16,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (55 of 93 remaining) [2023-08-26 08:38:16,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (54 of 93 remaining) [2023-08-26 08:38:16,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (53 of 93 remaining) [2023-08-26 08:38:16,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (52 of 93 remaining) [2023-08-26 08:38:16,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (51 of 93 remaining) [2023-08-26 08:38:16,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (50 of 93 remaining) [2023-08-26 08:38:16,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (49 of 93 remaining) [2023-08-26 08:38:16,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (48 of 93 remaining) [2023-08-26 08:38:16,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (47 of 93 remaining) [2023-08-26 08:38:16,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (46 of 93 remaining) [2023-08-26 08:38:16,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (45 of 93 remaining) [2023-08-26 08:38:16,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (44 of 93 remaining) [2023-08-26 08:38:16,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (43 of 93 remaining) [2023-08-26 08:38:16,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (42 of 93 remaining) [2023-08-26 08:38:16,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (41 of 93 remaining) [2023-08-26 08:38:16,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (40 of 93 remaining) [2023-08-26 08:38:16,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (39 of 93 remaining) [2023-08-26 08:38:16,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONASSERT (38 of 93 remaining) [2023-08-26 08:38:16,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 93 remaining) [2023-08-26 08:38:16,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 93 remaining) [2023-08-26 08:38:16,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (35 of 93 remaining) [2023-08-26 08:38:16,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (34 of 93 remaining) [2023-08-26 08:38:16,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (33 of 93 remaining) [2023-08-26 08:38:16,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (32 of 93 remaining) [2023-08-26 08:38:16,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (31 of 93 remaining) [2023-08-26 08:38:16,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (30 of 93 remaining) [2023-08-26 08:38:16,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (29 of 93 remaining) [2023-08-26 08:38:16,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (28 of 93 remaining) [2023-08-26 08:38:16,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (27 of 93 remaining) [2023-08-26 08:38:16,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (26 of 93 remaining) [2023-08-26 08:38:16,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (25 of 93 remaining) [2023-08-26 08:38:16,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (24 of 93 remaining) [2023-08-26 08:38:16,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (23 of 93 remaining) [2023-08-26 08:38:16,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (22 of 93 remaining) [2023-08-26 08:38:16,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (21 of 93 remaining) [2023-08-26 08:38:16,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (20 of 93 remaining) [2023-08-26 08:38:16,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (19 of 93 remaining) [2023-08-26 08:38:16,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (18 of 93 remaining) [2023-08-26 08:38:16,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (17 of 93 remaining) [2023-08-26 08:38:16,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (16 of 93 remaining) [2023-08-26 08:38:16,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (15 of 93 remaining) [2023-08-26 08:38:16,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (14 of 93 remaining) [2023-08-26 08:38:16,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (13 of 93 remaining) [2023-08-26 08:38:16,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (12 of 93 remaining) [2023-08-26 08:38:16,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (11 of 93 remaining) [2023-08-26 08:38:16,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (10 of 93 remaining) [2023-08-26 08:38:16,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (9 of 93 remaining) [2023-08-26 08:38:16,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (8 of 93 remaining) [2023-08-26 08:38:16,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (7 of 93 remaining) [2023-08-26 08:38:16,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (6 of 93 remaining) [2023-08-26 08:38:16,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (5 of 93 remaining) [2023-08-26 08:38:16,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (4 of 93 remaining) [2023-08-26 08:38:16,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (3 of 93 remaining) [2023-08-26 08:38:16,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (2 of 93 remaining) [2023-08-26 08:38:16,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (1 of 93 remaining) [2023-08-26 08:38:16,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (0 of 93 remaining) [2023-08-26 08:38:16,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-26 08:38:16,271 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1] [2023-08-26 08:38:16,274 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-26 08:38:16,275 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-26 08:38:16,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 08:38:16 BasicIcfg [2023-08-26 08:38:16,277 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-26 08:38:16,278 INFO L158 Benchmark]: Toolchain (without parser) took 14067.98ms. Allocated memory was 327.2MB in the beginning and 778.0MB in the end (delta: 450.9MB). Free memory was 303.2MB in the beginning and 660.8MB in the end (delta: -357.6MB). Peak memory consumption was 93.6MB. Max. memory is 16.0GB. [2023-08-26 08:38:16,278 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 327.2MB. Free memory is still 302.9MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-26 08:38:16,278 INFO L158 Benchmark]: CACSL2BoogieTranslator took 156.00ms. Allocated memory is still 327.2MB. Free memory was 303.2MB in the beginning and 291.0MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. [2023-08-26 08:38:16,278 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.21ms. Allocated memory is still 327.2MB. Free memory was 291.0MB in the beginning and 288.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-26 08:38:16,278 INFO L158 Benchmark]: Boogie Preprocessor took 21.80ms. Allocated memory is still 327.2MB. Free memory was 288.0MB in the beginning and 285.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-26 08:38:16,279 INFO L158 Benchmark]: RCFGBuilder took 1047.17ms. Allocated memory was 327.2MB in the beginning and 453.0MB in the end (delta: 125.8MB). Free memory was 285.1MB in the beginning and 414.0MB in the end (delta: -128.9MB). Peak memory consumption was 99.3MB. Max. memory is 16.0GB. [2023-08-26 08:38:16,279 INFO L158 Benchmark]: TraceAbstraction took 12803.65ms. Allocated memory was 453.0MB in the beginning and 778.0MB in the end (delta: 325.1MB). Free memory was 414.0MB in the beginning and 660.8MB in the end (delta: -246.9MB). Peak memory consumption was 78.2MB. Max. memory is 16.0GB. [2023-08-26 08:38:16,280 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 327.2MB. Free memory is still 302.9MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 156.00ms. Allocated memory is still 327.2MB. Free memory was 303.2MB in the beginning and 291.0MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 34.21ms. Allocated memory is still 327.2MB. Free memory was 291.0MB in the beginning and 288.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 21.80ms. Allocated memory is still 327.2MB. Free memory was 288.0MB in the beginning and 285.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 1047.17ms. Allocated memory was 327.2MB in the beginning and 453.0MB in the end (delta: 125.8MB). Free memory was 285.1MB in the beginning and 414.0MB in the end (delta: -128.9MB). Peak memory consumption was 99.3MB. Max. memory is 16.0GB. * TraceAbstraction took 12803.65ms. Allocated memory was 453.0MB in the beginning and 778.0MB in the end (delta: 325.1MB). Free memory was 414.0MB in the beginning and 660.8MB in the end (delta: -246.9MB). Peak memory consumption was 78.2MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.7s, 237 PlacesBefore, 72 PlacesAfterwards, 236 TransitionsBefore, 65 TransitionsAfterwards, 2268 CoEnabledTransitionPairs, 8 FixpointIterations, 205 TrivialSequentialCompositions, 24 ConcurrentSequentialCompositions, 17 TrivialYvCompositions, 0 ConcurrentYvCompositions, 6 ChoiceCompositions, 252 TotalNumberOfCompositions, 2070 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1667, independent: 1650, independent conditional: 0, independent unconditional: 1650, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 717, independent: 712, independent conditional: 0, independent unconditional: 712, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1667, independent: 938, independent conditional: 0, independent unconditional: 938, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 717, unknown conditional: 0, unknown unconditional: 717] , Statistics on independence cache: Total cache size (in pairs): 97, Positive cache size: 95, Positive conditional cache size: 0, Positive unconditional cache size: 95, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: 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: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: 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: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: 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: 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: 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 5 procedures, 288 locations, 93 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: 12.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 83 IncrementalHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 0 mSDtfsCounter, 83 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=142occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 988 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 55 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-26 08:38:16,296 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...