/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg true --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.reach_error.function false -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_38-traces-ex-4-switch_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 02:08:12,050 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 02:08:12,099 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-NoLbe.epf [2023-11-30 02:08:12,120 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 02:08:12,121 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 02:08:12,121 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 02:08:12,122 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 02:08:12,122 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 02:08:12,122 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 02:08:12,122 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 02:08:12,122 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 02:08:12,123 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 02:08:12,123 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 02:08:12,123 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 02:08:12,123 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 02:08:12,124 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 02:08:12,124 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 02:08:12,124 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 02:08:12,124 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 02:08:12,124 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 02:08:12,125 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 02:08:12,127 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 02:08:12,127 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 02:08:12,127 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 02:08:12,128 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 02:08:12,128 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 02:08:12,128 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 02:08:12,128 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 02:08:12,128 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 02:08:12,129 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 02:08:12,129 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 02:08:12,129 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 02:08:12,129 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 02:08:12,129 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2023-11-30 02:08:12,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 02:08:12,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 02:08:12,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 02:08:12,356 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 02:08:12,356 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 02:08:12,358 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_38-traces-ex-4-switch_true.i [2023-11-30 02:08:13,368 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 02:08:13,524 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 02:08:13,525 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_38-traces-ex-4-switch_true.i [2023-11-30 02:08:13,539 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/392093427/f8bbb78e1b6444128f1236d2bcd029e1/FLAG6fc7dcc6c [2023-11-30 02:08:13,547 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/392093427/f8bbb78e1b6444128f1236d2bcd029e1 [2023-11-30 02:08:13,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 02:08:13,550 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 02:08:13,551 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 02:08:13,551 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 02:08:13,553 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 02:08:13,554 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:08:13" (1/1) ... [2023-11-30 02:08:13,555 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3085a3fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:08:13, skipping insertion in model container [2023-11-30 02:08:13,555 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:08:13" (1/1) ... [2023-11-30 02:08:13,579 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 02:08:13,763 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 02:08:13,773 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 02:08:13,813 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 02:08:13,851 INFO L206 MainTranslator]: Completed translation [2023-11-30 02:08:13,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:08:13 WrapperNode [2023-11-30 02:08:13,853 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 02:08:13,854 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 02:08:13,854 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 02:08:13,854 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 02:08:13,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:08:13" (1/1) ... [2023-11-30 02:08:13,881 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:08:13" (1/1) ... [2023-11-30 02:08:13,898 INFO L138 Inliner]: procedures = 163, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2023-11-30 02:08:13,898 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 02:08:13,899 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 02:08:13,899 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 02:08:13,899 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 02:08:13,904 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:08:13" (1/1) ... [2023-11-30 02:08:13,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:08:13" (1/1) ... [2023-11-30 02:08:13,909 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:08:13" (1/1) ... [2023-11-30 02:08:13,909 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:08:13" (1/1) ... [2023-11-30 02:08:13,922 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:08:13" (1/1) ... [2023-11-30 02:08:13,923 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:08:13" (1/1) ... [2023-11-30 02:08:13,924 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:08:13" (1/1) ... [2023-11-30 02:08:13,924 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:08:13" (1/1) ... [2023-11-30 02:08:13,926 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 02:08:13,926 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 02:08:13,926 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 02:08:13,926 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 02:08:13,927 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:08:13" (1/1) ... [2023-11-30 02:08:13,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 02:08:13,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 02:08:13,961 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) [2023-11-30 02:08:13,977 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 [2023-11-30 02:08:13,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 02:08:13,985 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-30 02:08:13,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 02:08:13,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 02:08:13,985 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-30 02:08:13,985 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-30 02:08:13,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 02:08:13,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 02:08:13,986 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-30 02:08:13,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 02:08:13,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 02:08:13,987 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-30 02:08:14,069 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 02:08:14,070 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 02:08:14,208 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 02:08:14,229 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 02:08:14,229 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 02:08:14,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:08:14 BoogieIcfgContainer [2023-11-30 02:08:14,230 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 02:08:14,232 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 02:08:14,232 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 02:08:14,234 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 02:08:14,234 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 02:08:13" (1/3) ... [2023-11-30 02:08:14,235 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75bbe7f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:08:14, skipping insertion in model container [2023-11-30 02:08:14,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:08:13" (2/3) ... [2023-11-30 02:08:14,235 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75bbe7f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:08:14, skipping insertion in model container [2023-11-30 02:08:14,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:08:14" (3/3) ... [2023-11-30 02:08:14,236 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_38-traces-ex-4-switch_true.i [2023-11-30 02:08:14,248 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 02:08:14,248 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-30 02:08:14,248 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 02:08:14,347 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-30 02:08:14,371 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 91 places, 89 transitions, 182 flow [2023-11-30 02:08:14,400 INFO L124 PetriNetUnfolderBase]: 2/88 cut-off events. [2023-11-30 02:08:14,400 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 02:08:14,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 88 events. 2/88 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 84 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2023-11-30 02:08:14,404 INFO L82 GeneralOperation]: Start removeDead. Operand has 91 places, 89 transitions, 182 flow [2023-11-30 02:08:14,406 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 90 places, 88 transitions, 179 flow [2023-11-30 02:08:14,412 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 02:08:14,417 INFO L362 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=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@a065fff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 02:08:14,417 INFO L363 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-11-30 02:08:14,425 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 02:08:14,425 INFO L124 PetriNetUnfolderBase]: 0/42 cut-off events. [2023-11-30 02:08:14,425 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 02:08:14,426 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:08:14,426 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:08:14,426 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2023-11-30 02:08:14,430 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:08:14,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1348046689, now seen corresponding path program 1 times [2023-11-30 02:08:14,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:08:14,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557814236] [2023-11-30 02:08:14,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:08:14,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:08:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:08:14,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:08:14,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:08:14,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557814236] [2023-11-30 02:08:14,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557814236] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:08:14,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:08:14,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:08:14,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436273558] [2023-11-30 02:08:14,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:08:14,614 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:08:14,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:08:14,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:08:14,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:08:14,645 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 89 [2023-11-30 02:08:14,647 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 88 transitions, 179 flow. Second operand has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 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) [2023-11-30 02:08:14,647 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:08:14,647 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 89 [2023-11-30 02:08:14,648 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:08:14,803 INFO L124 PetriNetUnfolderBase]: 107/588 cut-off events. [2023-11-30 02:08:14,803 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-30 02:08:14,805 INFO L83 FinitePrefix]: Finished finitePrefix Result has 841 conditions, 588 events. 107/588 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 3557 event pairs, 32 based on Foata normal form. 40/575 useless extension candidates. Maximal degree in co-relation 807. Up to 147 conditions per place. [2023-11-30 02:08:14,808 INFO L140 encePairwiseOnDemand]: 82/89 looper letters, 28 selfloop transitions, 4 changer transitions 3/98 dead transitions. [2023-11-30 02:08:14,808 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 98 transitions, 269 flow [2023-11-30 02:08:14,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:08:14,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:08:14,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 238 transitions. [2023-11-30 02:08:14,818 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8913857677902621 [2023-11-30 02:08:14,819 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 238 transitions. [2023-11-30 02:08:14,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 238 transitions. [2023-11-30 02:08:14,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:08:14,823 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 238 transitions. [2023-11-30 02:08:14,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 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) [2023-11-30 02:08:14,830 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 89.0) internal successors, (356), 4 states have internal predecessors, (356), 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) [2023-11-30 02:08:14,831 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 89.0) internal successors, (356), 4 states have internal predecessors, (356), 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) [2023-11-30 02:08:14,834 INFO L307 CegarLoopForPetriNet]: 90 programPoint places, -1 predicate places. [2023-11-30 02:08:14,834 INFO L500 AbstractCegarLoop]: Abstraction has has 89 places, 98 transitions, 269 flow [2023-11-30 02:08:14,835 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 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) [2023-11-30 02:08:14,835 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:08:14,835 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:08:14,835 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 02:08:14,835 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2023-11-30 02:08:14,837 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:08:14,837 INFO L85 PathProgramCache]: Analyzing trace with hash -2089754874, now seen corresponding path program 1 times [2023-11-30 02:08:14,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:08:14,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688165156] [2023-11-30 02:08:14,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:08:14,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:08:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:08:14,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:08:14,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:08:14,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688165156] [2023-11-30 02:08:14,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688165156] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:08:14,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:08:14,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:08:14,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633631649] [2023-11-30 02:08:14,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:08:14,952 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:08:14,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:08:14,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:08:14,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:08:14,953 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 89 [2023-11-30 02:08:14,953 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 98 transitions, 269 flow. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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) [2023-11-30 02:08:14,954 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:08:14,954 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 89 [2023-11-30 02:08:14,954 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:08:15,047 INFO L124 PetriNetUnfolderBase]: 121/665 cut-off events. [2023-11-30 02:08:15,047 INFO L125 PetriNetUnfolderBase]: For 94/133 co-relation queries the response was YES. [2023-11-30 02:08:15,051 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1208 conditions, 665 events. 121/665 cut-off events. For 94/133 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 4186 event pairs, 34 based on Foata normal form. 3/619 useless extension candidates. Maximal degree in co-relation 1172. Up to 242 conditions per place. [2023-11-30 02:08:15,053 INFO L140 encePairwiseOnDemand]: 84/89 looper letters, 40 selfloop transitions, 5 changer transitions 3/109 dead transitions. [2023-11-30 02:08:15,053 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 109 transitions, 407 flow [2023-11-30 02:08:15,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:08:15,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:08:15,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 224 transitions. [2023-11-30 02:08:15,055 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8389513108614233 [2023-11-30 02:08:15,055 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 224 transitions. [2023-11-30 02:08:15,055 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 224 transitions. [2023-11-30 02:08:15,055 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:08:15,055 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 224 transitions. [2023-11-30 02:08:15,056 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 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) [2023-11-30 02:08:15,057 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 89.0) internal successors, (356), 4 states have internal predecessors, (356), 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) [2023-11-30 02:08:15,057 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 89.0) internal successors, (356), 4 states have internal predecessors, (356), 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) [2023-11-30 02:08:15,057 INFO L307 CegarLoopForPetriNet]: 90 programPoint places, 1 predicate places. [2023-11-30 02:08:15,058 INFO L500 AbstractCegarLoop]: Abstraction has has 91 places, 109 transitions, 407 flow [2023-11-30 02:08:15,058 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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) [2023-11-30 02:08:15,058 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:08:15,058 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:08:15,058 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 02:08:15,058 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2023-11-30 02:08:15,059 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:08:15,059 INFO L85 PathProgramCache]: Analyzing trace with hash 909569519, now seen corresponding path program 1 times [2023-11-30 02:08:15,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:08:15,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301454525] [2023-11-30 02:08:15,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:08:15,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:08:15,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:08:15,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:08:15,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:08:15,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301454525] [2023-11-30 02:08:15,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301454525] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:08:15,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:08:15,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 02:08:15,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222217851] [2023-11-30 02:08:15,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:08:15,243 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:08:15,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:08:15,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:08:15,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:08:15,245 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 89 [2023-11-30 02:08:15,245 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 109 transitions, 407 flow. Second operand has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 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) [2023-11-30 02:08:15,245 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:08:15,245 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 89 [2023-11-30 02:08:15,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:08:15,344 INFO L124 PetriNetUnfolderBase]: 71/467 cut-off events. [2023-11-30 02:08:15,346 INFO L125 PetriNetUnfolderBase]: For 221/235 co-relation queries the response was YES. [2023-11-30 02:08:15,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 963 conditions, 467 events. 71/467 cut-off events. For 221/235 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 2607 event pairs, 15 based on Foata normal form. 9/446 useless extension candidates. Maximal degree in co-relation 919. Up to 179 conditions per place. [2023-11-30 02:08:15,350 INFO L140 encePairwiseOnDemand]: 82/89 looper letters, 21 selfloop transitions, 10 changer transitions 9/109 dead transitions. [2023-11-30 02:08:15,350 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 109 transitions, 487 flow [2023-11-30 02:08:15,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:08:15,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:08:15,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 234 transitions. [2023-11-30 02:08:15,355 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8764044943820225 [2023-11-30 02:08:15,355 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 234 transitions. [2023-11-30 02:08:15,355 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 234 transitions. [2023-11-30 02:08:15,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:08:15,355 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 234 transitions. [2023-11-30 02:08:15,356 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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) [2023-11-30 02:08:15,357 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 89.0) internal successors, (356), 4 states have internal predecessors, (356), 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) [2023-11-30 02:08:15,358 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 89.0) internal successors, (356), 4 states have internal predecessors, (356), 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) [2023-11-30 02:08:15,359 INFO L307 CegarLoopForPetriNet]: 90 programPoint places, 2 predicate places. [2023-11-30 02:08:15,359 INFO L500 AbstractCegarLoop]: Abstraction has has 92 places, 109 transitions, 487 flow [2023-11-30 02:08:15,359 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 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) [2023-11-30 02:08:15,359 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:08:15,359 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:08:15,360 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 02:08:15,360 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2023-11-30 02:08:15,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:08:15,361 INFO L85 PathProgramCache]: Analyzing trace with hash -486487094, now seen corresponding path program 1 times [2023-11-30 02:08:15,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:08:15,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016325257] [2023-11-30 02:08:15,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:08:15,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:08:15,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:08:15,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:08:15,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:08:15,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016325257] [2023-11-30 02:08:15,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016325257] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:08:15,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:08:15,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:08:15,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501620038] [2023-11-30 02:08:15,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:08:15,418 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:08:15,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:08:15,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:08:15,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:08:15,420 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 89 [2023-11-30 02:08:15,421 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 109 transitions, 487 flow. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 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) [2023-11-30 02:08:15,421 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:08:15,421 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 89 [2023-11-30 02:08:15,421 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:08:15,497 INFO L124 PetriNetUnfolderBase]: 86/546 cut-off events. [2023-11-30 02:08:15,497 INFO L125 PetriNetUnfolderBase]: For 463/522 co-relation queries the response was YES. [2023-11-30 02:08:15,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1291 conditions, 546 events. 86/546 cut-off events. For 463/522 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3228 event pairs, 17 based on Foata normal form. 4/525 useless extension candidates. Maximal degree in co-relation 1245. Up to 189 conditions per place. [2023-11-30 02:08:15,499 INFO L140 encePairwiseOnDemand]: 84/89 looper letters, 26 selfloop transitions, 4 changer transitions 29/120 dead transitions. [2023-11-30 02:08:15,499 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 120 transitions, 679 flow [2023-11-30 02:08:15,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:08:15,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:08:15,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 223 transitions. [2023-11-30 02:08:15,500 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8352059925093633 [2023-11-30 02:08:15,500 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 223 transitions. [2023-11-30 02:08:15,501 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 223 transitions. [2023-11-30 02:08:15,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:08:15,501 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 223 transitions. [2023-11-30 02:08:15,501 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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) [2023-11-30 02:08:15,502 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 89.0) internal successors, (356), 4 states have internal predecessors, (356), 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) [2023-11-30 02:08:15,502 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 89.0) internal successors, (356), 4 states have internal predecessors, (356), 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) [2023-11-30 02:08:15,504 INFO L307 CegarLoopForPetriNet]: 90 programPoint places, 4 predicate places. [2023-11-30 02:08:15,504 INFO L500 AbstractCegarLoop]: Abstraction has has 94 places, 120 transitions, 679 flow [2023-11-30 02:08:15,504 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 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) [2023-11-30 02:08:15,504 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:08:15,504 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:08:15,504 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 02:08:15,504 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2023-11-30 02:08:15,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:08:15,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1642397203, now seen corresponding path program 1 times [2023-11-30 02:08:15,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:08:15,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356981861] [2023-11-30 02:08:15,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:08:15,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:08:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:08:15,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:08:15,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:08:15,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356981861] [2023-11-30 02:08:15,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356981861] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:08:15,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:08:15,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 02:08:15,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320752341] [2023-11-30 02:08:15,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:08:15,674 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-30 02:08:15,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:08:15,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-30 02:08:15,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-30 02:08:15,675 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 89 [2023-11-30 02:08:15,676 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 120 transitions, 679 flow. Second operand has 5 states, 5 states have (on average 66.8) internal successors, (334), 5 states have internal predecessors, (334), 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) [2023-11-30 02:08:15,676 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:08:15,676 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 89 [2023-11-30 02:08:15,676 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:08:15,745 INFO L124 PetriNetUnfolderBase]: 25/268 cut-off events. [2023-11-30 02:08:15,745 INFO L125 PetriNetUnfolderBase]: For 445/445 co-relation queries the response was YES. [2023-11-30 02:08:15,746 INFO L83 FinitePrefix]: Finished finitePrefix Result has 709 conditions, 268 events. 25/268 cut-off events. For 445/445 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1011 event pairs, 0 based on Foata normal form. 15/278 useless extension candidates. Maximal degree in co-relation 649. Up to 89 conditions per place. [2023-11-30 02:08:15,746 INFO L140 encePairwiseOnDemand]: 81/89 looper letters, 0 selfloop transitions, 0 changer transitions 102/102 dead transitions. [2023-11-30 02:08:15,746 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 102 transitions, 609 flow [2023-11-30 02:08:15,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 02:08:15,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 02:08:15,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 344 transitions. [2023-11-30 02:08:15,747 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7730337078651686 [2023-11-30 02:08:15,747 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 344 transitions. [2023-11-30 02:08:15,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 344 transitions. [2023-11-30 02:08:15,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:08:15,748 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 344 transitions. [2023-11-30 02:08:15,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 68.8) internal successors, (344), 5 states have internal predecessors, (344), 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) [2023-11-30 02:08:15,749 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 89.0) internal successors, (534), 6 states have internal predecessors, (534), 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) [2023-11-30 02:08:15,749 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 89.0) internal successors, (534), 6 states have internal predecessors, (534), 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) [2023-11-30 02:08:15,751 INFO L307 CegarLoopForPetriNet]: 90 programPoint places, 6 predicate places. [2023-11-30 02:08:15,751 INFO L500 AbstractCegarLoop]: Abstraction has has 96 places, 102 transitions, 609 flow [2023-11-30 02:08:15,751 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 66.8) internal successors, (334), 5 states have internal predecessors, (334), 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) [2023-11-30 02:08:15,757 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/13-privatized_38-traces-ex-4-switch_true.i_BEv2_AllErrorsAtOnce [2023-11-30 02:08:15,776 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 6 remaining) [2023-11-30 02:08:15,776 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 6 remaining) [2023-11-30 02:08:15,776 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2023-11-30 02:08:15,776 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining) [2023-11-30 02:08:15,777 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2023-11-30 02:08:15,777 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2023-11-30 02:08:15,777 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 02:08:15,777 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-30 02:08:15,781 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 02:08:15,781 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 02:08:15,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 02:08:15 BasicIcfg [2023-11-30 02:08:15,789 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 02:08:15,789 INFO L158 Benchmark]: Toolchain (without parser) took 2239.31ms. Allocated memory was 358.6MB in the beginning and 513.8MB in the end (delta: 155.2MB). Free memory was 308.9MB in the beginning and 277.0MB in the end (delta: 31.9MB). Peak memory consumption was 186.8MB. Max. memory is 16.0GB. [2023-11-30 02:08:15,790 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 358.6MB. Free memory is still 313.3MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 02:08:15,793 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.36ms. Allocated memory is still 358.6MB. Free memory was 308.5MB in the beginning and 289.3MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-11-30 02:08:15,795 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.94ms. Allocated memory is still 358.6MB. Free memory was 289.3MB in the beginning and 287.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 02:08:15,796 INFO L158 Benchmark]: Boogie Preprocessor took 26.85ms. Allocated memory is still 358.6MB. Free memory was 287.2MB in the beginning and 285.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 02:08:15,796 INFO L158 Benchmark]: RCFGBuilder took 304.41ms. Allocated memory is still 358.6MB. Free memory was 285.9MB in the beginning and 269.4MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2023-11-30 02:08:15,798 INFO L158 Benchmark]: TraceAbstraction took 1556.85ms. Allocated memory was 358.6MB in the beginning and 513.8MB in the end (delta: 155.2MB). Free memory was 269.0MB in the beginning and 277.0MB in the end (delta: -8.0MB). Peak memory consumption was 147.0MB. Max. memory is 16.0GB. [2023-11-30 02:08:15,799 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 358.6MB. Free memory is still 313.3MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 302.36ms. Allocated memory is still 358.6MB. Free memory was 308.5MB in the beginning and 289.3MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 44.94ms. Allocated memory is still 358.6MB. Free memory was 289.3MB in the beginning and 287.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 26.85ms. Allocated memory is still 358.6MB. Free memory was 287.2MB in the beginning and 285.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 304.41ms. Allocated memory is still 358.6MB. Free memory was 285.9MB in the beginning and 269.4MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 1556.85ms. Allocated memory was 358.6MB in the beginning and 513.8MB in the end (delta: 155.2MB). Free memory was 269.0MB in the beginning and 277.0MB in the end (delta: -8.0MB). Peak memory consumption was 147.0MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 117 locations, 6 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: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 53 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 53 mSDsluCounter, 37 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 196 IncrementalHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 37 mSDtfsCounter, 196 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=679occurred in iteration=4, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 216 NumberOfCodeBlocks, 216 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 211 ConstructedInterpolants, 0 QuantifiedInterpolants, 332 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 02:08:15,814 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...