/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/28-race_reach_92-evilcollapse_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 02:32:12,923 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 02:32:12,980 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 02:32:13,014 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 02:32:13,015 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 02:32:13,015 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 02:32:13,016 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 02:32:13,016 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 02:32:13,017 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 02:32:13,021 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 02:32:13,021 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 02:32:13,022 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 02:32:13,022 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 02:32:13,022 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 02:32:13,022 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 02:32:13,023 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 02:32:13,023 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 02:32:13,023 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 02:32:13,023 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 02:32:13,023 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 02:32:13,023 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 02:32:13,024 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 02:32:13,025 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 02:32:13,025 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 02:32:13,025 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 02:32:13,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 02:32:13,025 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 02:32:13,025 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 02:32:13,026 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 02:32:13,026 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 02:32:13,026 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 02:32:13,027 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 02:32:13,027 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 02:32:13,027 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2023-11-30 02:32:13,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 02:32:13,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 02:32:13,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 02:32:13,258 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 02:32:13,259 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 02:32:13,259 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_92-evilcollapse_racing.i [2023-11-30 02:32:14,339 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 02:32:14,513 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 02:32:14,514 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_92-evilcollapse_racing.i [2023-11-30 02:32:14,525 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0255911e5/c9d67acfce5546108fd085d33a61b411/FLAGe982fe60d [2023-11-30 02:32:14,534 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0255911e5/c9d67acfce5546108fd085d33a61b411 [2023-11-30 02:32:14,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 02:32:14,536 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 02:32:14,537 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 02:32:14,537 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 02:32:14,540 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 02:32:14,540 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:32:14" (1/1) ... [2023-11-30 02:32:14,541 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dc8bfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:32:14, skipping insertion in model container [2023-11-30 02:32:14,541 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:32:14" (1/1) ... [2023-11-30 02:32:14,569 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 02:32:14,829 WARN L1590 CHandler]: Possible shadowing of function new [2023-11-30 02:32:14,830 WARN L1590 CHandler]: Possible shadowing of function new [2023-11-30 02:32:14,831 WARN L1590 CHandler]: Possible shadowing of function new [2023-11-30 02:32:14,831 WARN L1590 CHandler]: Possible shadowing of function new [2023-11-30 02:32:14,848 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 02:32:14,865 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 02:32:14,889 WARN L1590 CHandler]: Possible shadowing of function new [2023-11-30 02:32:14,890 WARN L1590 CHandler]: Possible shadowing of function new [2023-11-30 02:32:14,890 WARN L1590 CHandler]: Possible shadowing of function new [2023-11-30 02:32:14,891 WARN L1590 CHandler]: Possible shadowing of function new [2023-11-30 02:32:14,902 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 02:32:14,948 INFO L206 MainTranslator]: Completed translation [2023-11-30 02:32:14,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:32:14 WrapperNode [2023-11-30 02:32:14,948 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 02:32:14,949 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 02:32:14,949 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 02:32:14,949 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 02:32:14,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:32:14" (1/1) ... [2023-11-30 02:32:14,967 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:32:14" (1/1) ... [2023-11-30 02:32:14,990 INFO L138 Inliner]: procedures = 279, calls = 56, calls flagged for inlining = 12, calls inlined = 13, statements flattened = 377 [2023-11-30 02:32:14,990 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 02:32:14,991 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 02:32:14,991 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 02:32:14,991 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 02:32:14,997 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:32:14" (1/1) ... [2023-11-30 02:32:14,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:32:14" (1/1) ... [2023-11-30 02:32:15,002 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:32:14" (1/1) ... [2023-11-30 02:32:15,002 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:32:14" (1/1) ... [2023-11-30 02:32:15,017 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:32:14" (1/1) ... [2023-11-30 02:32:15,020 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:32:14" (1/1) ... [2023-11-30 02:32:15,022 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:32:14" (1/1) ... [2023-11-30 02:32:15,024 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:32:14" (1/1) ... [2023-11-30 02:32:15,067 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 02:32:15,068 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 02:32:15,068 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 02:32:15,068 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 02:32:15,069 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:32:14" (1/1) ... [2023-11-30 02:32:15,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 02:32:15,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 02:32:15,104 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 02:32:15,111 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 02:32:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 02:32:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-30 02:32:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 02:32:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-30 02:32:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 02:32:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 02:32:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-30 02:32:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-30 02:32:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 02:32:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-30 02:32:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-30 02:32:15,126 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-30 02:32:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 02:32:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 02:32:15,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 02:32:15,127 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 02:32:15,241 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 02:32:15,242 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 02:32:15,762 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 02:32:15,785 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 02:32:15,786 INFO L309 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-30 02:32:15,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:32:15 BoogieIcfgContainer [2023-11-30 02:32:15,787 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 02:32:15,788 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 02:32:15,789 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 02:32:15,792 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 02:32:15,792 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 02:32:14" (1/3) ... [2023-11-30 02:32:15,793 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@537d04f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:32:15, skipping insertion in model container [2023-11-30 02:32:15,793 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:32:14" (2/3) ... [2023-11-30 02:32:15,793 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@537d04f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:32:15, skipping insertion in model container [2023-11-30 02:32:15,794 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:32:15" (3/3) ... [2023-11-30 02:32:15,795 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_92-evilcollapse_racing.i [2023-11-30 02:32:15,808 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 02:32:15,808 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2023-11-30 02:32:15,810 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 02:32:15,884 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-30 02:32:15,928 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 397 places, 421 transitions, 849 flow [2023-11-30 02:32:16,012 INFO L124 PetriNetUnfolderBase]: 29/446 cut-off events. [2023-11-30 02:32:16,012 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-30 02:32:16,025 INFO L83 FinitePrefix]: Finished finitePrefix Result has 451 conditions, 446 events. 29/446 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 970 event pairs, 0 based on Foata normal form. 0/391 useless extension candidates. Maximal degree in co-relation 264. Up to 4 conditions per place. [2023-11-30 02:32:16,025 INFO L82 GeneralOperation]: Start removeDead. Operand has 397 places, 421 transitions, 849 flow [2023-11-30 02:32:16,035 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 397 places, 421 transitions, 849 flow [2023-11-30 02:32:16,046 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 02:32:16,053 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;@42f7999e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 02:32:16,053 INFO L363 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2023-11-30 02:32:16,060 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 02:32:16,061 INFO L124 PetriNetUnfolderBase]: 1/43 cut-off events. [2023-11-30 02:32:16,061 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 02:32:16,061 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:32:16,062 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] [2023-11-30 02:32:16,062 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-30 02:32:16,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:32:16,066 INFO L85 PathProgramCache]: Analyzing trace with hash 299044945, now seen corresponding path program 1 times [2023-11-30 02:32:16,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:32:16,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982023974] [2023-11-30 02:32:16,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:32:16,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:32:16,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:32:16,603 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 02:32:16,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:32:16,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982023974] [2023-11-30 02:32:16,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982023974] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:32:16,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:32:16,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 02:32:16,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769034814] [2023-11-30 02:32:16,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:32:16,626 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 02:32:16,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:32:16,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 02:32:16,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 02:32:16,651 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 421 [2023-11-30 02:32:16,655 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 421 transitions, 849 flow. Second operand has 6 states, 6 states have (on average 244.5) internal successors, (1467), 6 states have internal predecessors, (1467), 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 02:32:16,655 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:32:16,655 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 421 [2023-11-30 02:32:16,656 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:32:17,213 INFO L124 PetriNetUnfolderBase]: 325/1385 cut-off events. [2023-11-30 02:32:17,214 INFO L125 PetriNetUnfolderBase]: For 13/19 co-relation queries the response was YES. [2023-11-30 02:32:17,216 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2159 conditions, 1385 events. 325/1385 cut-off events. For 13/19 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 7037 event pairs, 300 based on Foata normal form. 194/1423 useless extension candidates. Maximal degree in co-relation 1783. Up to 758 conditions per place. [2023-11-30 02:32:17,220 INFO L140 encePairwiseOnDemand]: 388/421 looper letters, 144 selfloop transitions, 10 changer transitions 2/395 dead transitions. [2023-11-30 02:32:17,221 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 397 places, 395 transitions, 1105 flow [2023-11-30 02:32:17,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 02:32:17,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 02:32:17,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1635 transitions. [2023-11-30 02:32:17,233 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6472684085510689 [2023-11-30 02:32:17,233 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1635 transitions. [2023-11-30 02:32:17,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1635 transitions. [2023-11-30 02:32:17,236 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:32:17,237 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1635 transitions. [2023-11-30 02:32:17,242 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 272.5) internal successors, (1635), 6 states have internal predecessors, (1635), 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 02:32:17,248 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 421.0) internal successors, (2947), 7 states have internal predecessors, (2947), 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 02:32:17,249 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 421.0) internal successors, (2947), 7 states have internal predecessors, (2947), 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 02:32:17,252 INFO L307 CegarLoopForPetriNet]: 397 programPoint places, 0 predicate places. [2023-11-30 02:32:17,252 INFO L500 AbstractCegarLoop]: Abstraction has has 397 places, 395 transitions, 1105 flow [2023-11-30 02:32:17,253 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 244.5) internal successors, (1467), 6 states have internal predecessors, (1467), 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 02:32:17,253 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:32:17,253 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] [2023-11-30 02:32:17,253 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 02:32:17,253 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-30 02:32:17,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:32:17,253 INFO L85 PathProgramCache]: Analyzing trace with hash -392632889, now seen corresponding path program 1 times [2023-11-30 02:32:17,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:32:17,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261392149] [2023-11-30 02:32:17,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:32:17,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:32:17,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:32:17,450 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 02:32:17,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:32:17,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261392149] [2023-11-30 02:32:17,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261392149] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:32:17,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:32:17,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 02:32:17,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953418390] [2023-11-30 02:32:17,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:32:17,453 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 02:32:17,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:32:17,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 02:32:17,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 02:32:17,457 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 421 [2023-11-30 02:32:17,458 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 395 transitions, 1105 flow. Second operand has 6 states, 6 states have (on average 245.5) internal successors, (1473), 6 states have internal predecessors, (1473), 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 02:32:17,458 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:32:17,458 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 421 [2023-11-30 02:32:17,459 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:32:17,780 INFO L124 PetriNetUnfolderBase]: 325/1383 cut-off events. [2023-11-30 02:32:17,781 INFO L125 PetriNetUnfolderBase]: For 152/242 co-relation queries the response was YES. [2023-11-30 02:32:17,782 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2921 conditions, 1383 events. 325/1383 cut-off events. For 152/242 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 7105 event pairs, 300 based on Foata normal form. 0/1229 useless extension candidates. Maximal degree in co-relation 2445. Up to 756 conditions per place. [2023-11-30 02:32:17,787 INFO L140 encePairwiseOnDemand]: 409/421 looper letters, 142 selfloop transitions, 10 changer transitions 2/393 dead transitions. [2023-11-30 02:32:17,787 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 393 transitions, 1401 flow [2023-11-30 02:32:17,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 02:32:17,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 02:32:17,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1612 transitions. [2023-11-30 02:32:17,790 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6381631037212985 [2023-11-30 02:32:17,790 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1612 transitions. [2023-11-30 02:32:17,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1612 transitions. [2023-11-30 02:32:17,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:32:17,791 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1612 transitions. [2023-11-30 02:32:17,793 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 268.6666666666667) internal successors, (1612), 6 states have internal predecessors, (1612), 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 02:32:17,796 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 421.0) internal successors, (2947), 7 states have internal predecessors, (2947), 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 02:32:17,798 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 421.0) internal successors, (2947), 7 states have internal predecessors, (2947), 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 02:32:17,798 INFO L307 CegarLoopForPetriNet]: 397 programPoint places, 3 predicate places. [2023-11-30 02:32:17,798 INFO L500 AbstractCegarLoop]: Abstraction has has 400 places, 393 transitions, 1401 flow [2023-11-30 02:32:17,799 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 245.5) internal successors, (1473), 6 states have internal predecessors, (1473), 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 02:32:17,799 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:32:17,799 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] [2023-11-30 02:32:17,799 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 02:32:17,800 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-30 02:32:17,800 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:32:17,800 INFO L85 PathProgramCache]: Analyzing trace with hash 384460638, now seen corresponding path program 1 times [2023-11-30 02:32:17,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:32:17,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774270382] [2023-11-30 02:32:17,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:32:17,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:32:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:32:17,830 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 02:32:17,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:32:17,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774270382] [2023-11-30 02:32:17,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774270382] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:32:17,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:32:17,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 02:32:17,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640555093] [2023-11-30 02:32:17,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:32:17,831 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:32:17,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:32:17,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:32:17,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:32:17,833 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 377 out of 421 [2023-11-30 02:32:17,834 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 393 transitions, 1401 flow. Second operand has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 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 02:32:17,834 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:32:17,834 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 377 of 421 [2023-11-30 02:32:17,834 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:32:18,060 INFO L124 PetriNetUnfolderBase]: 334/1532 cut-off events. [2023-11-30 02:32:18,060 INFO L125 PetriNetUnfolderBase]: For 445/656 co-relation queries the response was YES. [2023-11-30 02:32:18,062 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3328 conditions, 1532 events. 334/1532 cut-off events. For 445/656 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 7844 event pairs, 308 based on Foata normal form. 0/1366 useless extension candidates. Maximal degree in co-relation 2564. Up to 824 conditions per place. [2023-11-30 02:32:18,066 INFO L140 encePairwiseOnDemand]: 418/421 looper letters, 27 selfloop transitions, 2 changer transitions 2/400 dead transitions. [2023-11-30 02:32:18,067 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 400 transitions, 1473 flow [2023-11-30 02:32:18,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:32:18,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:32:18,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1161 transitions. [2023-11-30 02:32:18,069 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9192399049881235 [2023-11-30 02:32:18,069 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1161 transitions. [2023-11-30 02:32:18,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1161 transitions. [2023-11-30 02:32:18,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:32:18,069 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1161 transitions. [2023-11-30 02:32:18,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 387.0) internal successors, (1161), 3 states have internal predecessors, (1161), 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 02:32:18,073 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 421.0) internal successors, (1684), 4 states have internal predecessors, (1684), 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 02:32:18,074 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 421.0) internal successors, (1684), 4 states have internal predecessors, (1684), 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 02:32:18,074 INFO L307 CegarLoopForPetriNet]: 397 programPoint places, 5 predicate places. [2023-11-30 02:32:18,074 INFO L500 AbstractCegarLoop]: Abstraction has has 402 places, 400 transitions, 1473 flow [2023-11-30 02:32:18,075 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 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 02:32:18,075 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:32:18,075 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:32:18,075 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 02:32:18,075 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-30 02:32:18,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:32:18,076 INFO L85 PathProgramCache]: Analyzing trace with hash -610532648, now seen corresponding path program 1 times [2023-11-30 02:32:18,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:32:18,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444077482] [2023-11-30 02:32:18,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:32:18,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:32:18,091 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-30 02:32:18,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [856216336] [2023-11-30 02:32:18,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:32:18,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 02:32:18,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 02:32:18,109 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-30 02:32:18,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-30 02:32:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:32:18,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-30 02:32:18,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-30 02:32:18,292 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-30 02:32:18,308 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-11-30 02:32:18,330 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-30 02:32:18,331 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2023-11-30 02:32:18,354 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-30 02:32:18,355 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2023-11-30 02:32:18,372 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 02:32:18,373 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-30 02:32:18,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:32:18,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444077482] [2023-11-30 02:32:18,373 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-30 02:32:18,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [856216336] [2023-11-30 02:32:18,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [856216336] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:32:18,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:32:18,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-30 02:32:18,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920880572] [2023-11-30 02:32:18,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:32:18,374 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-30 02:32:18,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:32:18,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-30 02:32:18,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-30 02:32:18,376 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 421 [2023-11-30 02:32:18,378 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 400 transitions, 1473 flow. Second operand has 8 states, 8 states have (on average 249.625) internal successors, (1997), 8 states have internal predecessors, (1997), 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 02:32:18,378 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:32:18,378 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 421 [2023-11-30 02:32:18,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:32:18,738 INFO L124 PetriNetUnfolderBase]: 334/1530 cut-off events. [2023-11-30 02:32:18,739 INFO L125 PetriNetUnfolderBase]: For 757/1148 co-relation queries the response was YES. [2023-11-30 02:32:18,740 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4156 conditions, 1530 events. 334/1530 cut-off events. For 757/1148 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 7867 event pairs, 308 based on Foata normal form. 0/1366 useless extension candidates. Maximal degree in co-relation 3234. Up to 822 conditions per place. [2023-11-30 02:32:18,744 INFO L140 encePairwiseOnDemand]: 411/421 looper letters, 138 selfloop transitions, 9 changer transitions 2/399 dead transitions. [2023-11-30 02:32:18,745 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 399 transitions, 1761 flow [2023-11-30 02:32:18,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-30 02:32:18,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-30 02:32:18,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2371 transitions. [2023-11-30 02:32:18,748 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6257587754024808 [2023-11-30 02:32:18,748 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2371 transitions. [2023-11-30 02:32:18,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2371 transitions. [2023-11-30 02:32:18,749 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:32:18,749 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2371 transitions. [2023-11-30 02:32:18,753 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 263.44444444444446) internal successors, (2371), 9 states have internal predecessors, (2371), 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 02:32:18,757 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 421.0) internal successors, (4210), 10 states have internal predecessors, (4210), 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 02:32:18,758 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 421.0) internal successors, (4210), 10 states have internal predecessors, (4210), 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 02:32:18,758 INFO L307 CegarLoopForPetriNet]: 397 programPoint places, 12 predicate places. [2023-11-30 02:32:18,759 INFO L500 AbstractCegarLoop]: Abstraction has has 409 places, 399 transitions, 1761 flow [2023-11-30 02:32:18,759 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 249.625) internal successors, (1997), 8 states have internal predecessors, (1997), 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 02:32:18,759 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:32:18,759 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:32:18,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-30 02:32:18,965 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 02:32:18,965 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-30 02:32:18,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:32:18,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1230342874, now seen corresponding path program 1 times [2023-11-30 02:32:18,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:32:18,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545839123] [2023-11-30 02:32:18,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:32:18,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:32:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:32:19,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:32:19,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:32:19,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545839123] [2023-11-30 02:32:19,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545839123] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:32:19,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:32:19,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 02:32:19,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093427643] [2023-11-30 02:32:19,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:32:19,006 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:32:19,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:32:19,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:32:19,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:32:19,007 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 380 out of 421 [2023-11-30 02:32:19,008 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 399 transitions, 1761 flow. Second operand has 3 states, 3 states have (on average 381.3333333333333) internal successors, (1144), 3 states have internal predecessors, (1144), 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 02:32:19,008 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:32:19,008 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 380 of 421 [2023-11-30 02:32:19,008 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:32:19,218 INFO L124 PetriNetUnfolderBase]: 334/1720 cut-off events. [2023-11-30 02:32:19,218 INFO L125 PetriNetUnfolderBase]: For 1292/1707 co-relation queries the response was YES. [2023-11-30 02:32:19,220 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4775 conditions, 1720 events. 334/1720 cut-off events. For 1292/1707 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 8442 event pairs, 308 based on Foata normal form. 0/1546 useless extension candidates. Maximal degree in co-relation 3313. Up to 916 conditions per place. [2023-11-30 02:32:19,226 INFO L140 encePairwiseOnDemand]: 418/421 looper letters, 23 selfloop transitions, 2 changer transitions 2/404 dead transitions. [2023-11-30 02:32:19,226 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 411 places, 404 transitions, 1825 flow [2023-11-30 02:32:19,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:32:19,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:32:19,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1164 transitions. [2023-11-30 02:32:19,228 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9216152019002375 [2023-11-30 02:32:19,228 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1164 transitions. [2023-11-30 02:32:19,228 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1164 transitions. [2023-11-30 02:32:19,229 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:32:19,229 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1164 transitions. [2023-11-30 02:32:19,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 388.0) internal successors, (1164), 3 states have internal predecessors, (1164), 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 02:32:19,232 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 421.0) internal successors, (1684), 4 states have internal predecessors, (1684), 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 02:32:19,232 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 421.0) internal successors, (1684), 4 states have internal predecessors, (1684), 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 02:32:19,232 INFO L307 CegarLoopForPetriNet]: 397 programPoint places, 14 predicate places. [2023-11-30 02:32:19,233 INFO L500 AbstractCegarLoop]: Abstraction has has 411 places, 404 transitions, 1825 flow [2023-11-30 02:32:19,233 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 381.3333333333333) internal successors, (1144), 3 states have internal predecessors, (1144), 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 02:32:19,233 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:32:19,233 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:32:19,233 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 02:32:19,233 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-30 02:32:19,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:32:19,234 INFO L85 PathProgramCache]: Analyzing trace with hash -893732395, now seen corresponding path program 1 times [2023-11-30 02:32:19,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:32:19,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566606615] [2023-11-30 02:32:19,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:32:19,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:32:19,251 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-30 02:32:19,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2054243344] [2023-11-30 02:32:19,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:32:19,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 02:32:19,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 02:32:19,256 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-30 02:32:19,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-30 02:32:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:32:19,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-30 02:32:19,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-30 02:32:19,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-30 02:32:19,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-11-30 02:32:19,469 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-30 02:32:19,469 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2023-11-30 02:32:19,488 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-30 02:32:19,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2023-11-30 02:32:19,504 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 02:32:19,504 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-30 02:32:19,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:32:19,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566606615] [2023-11-30 02:32:19,505 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-30 02:32:19,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054243344] [2023-11-30 02:32:19,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2054243344] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:32:19,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:32:19,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 02:32:19,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527837298] [2023-11-30 02:32:19,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:32:19,506 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 02:32:19,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:32:19,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 02:32:19,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 02:32:19,507 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 421 [2023-11-30 02:32:19,508 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 411 places, 404 transitions, 1825 flow. Second operand has 6 states, 6 states have (on average 256.5) internal successors, (1539), 6 states have internal predecessors, (1539), 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 02:32:19,508 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:32:19,508 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 421 [2023-11-30 02:32:19,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:32:20,055 INFO L124 PetriNetUnfolderBase]: 334/1716 cut-off events. [2023-11-30 02:32:20,055 INFO L125 PetriNetUnfolderBase]: For 1802/2397 co-relation queries the response was YES. [2023-11-30 02:32:20,057 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5683 conditions, 1716 events. 334/1716 cut-off events. For 1802/2397 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 8415 event pairs, 308 based on Foata normal form. 0/1546 useless extension candidates. Maximal degree in co-relation 3983. Up to 912 conditions per place. [2023-11-30 02:32:20,064 INFO L140 encePairwiseOnDemand]: 415/421 looper letters, 137 selfloop transitions, 5 changer transitions 2/403 dead transitions. [2023-11-30 02:32:20,064 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 415 places, 403 transitions, 2101 flow [2023-11-30 02:32:20,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 02:32:20,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 02:32:20,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1649 transitions. [2023-11-30 02:32:20,068 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6528107680126682 [2023-11-30 02:32:20,068 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1649 transitions. [2023-11-30 02:32:20,068 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1649 transitions. [2023-11-30 02:32:20,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:32:20,069 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1649 transitions. [2023-11-30 02:32:20,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 274.8333333333333) internal successors, (1649), 6 states have internal predecessors, (1649), 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 02:32:20,074 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 421.0) internal successors, (2947), 7 states have internal predecessors, (2947), 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 02:32:20,075 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 421.0) internal successors, (2947), 7 states have internal predecessors, (2947), 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 02:32:20,077 INFO L307 CegarLoopForPetriNet]: 397 programPoint places, 18 predicate places. [2023-11-30 02:32:20,077 INFO L500 AbstractCegarLoop]: Abstraction has has 415 places, 403 transitions, 2101 flow [2023-11-30 02:32:20,078 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 256.5) internal successors, (1539), 6 states have internal predecessors, (1539), 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 02:32:20,078 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:32:20,078 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:32:20,096 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-30 02:32:20,299 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-30 02:32:20,299 INFO L425 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-30 02:32:20,300 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:32:20,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1528362954, now seen corresponding path program 1 times [2023-11-30 02:32:20,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:32:20,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694711513] [2023-11-30 02:32:20,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:32:20,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:32:20,320 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-30 02:32:20,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1759802128] [2023-11-30 02:32:20,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:32:20,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 02:32:20,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 02:32:20,338 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-30 02:32:20,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-30 02:32:20,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:32:20,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-30 02:32:20,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-30 02:32:20,494 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-30 02:32:20,503 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2023-11-30 02:32:20,517 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-30 02:32:20,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2023-11-30 02:32:20,542 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-30 02:32:20,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 46 [2023-11-30 02:32:20,559 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 02:32:20,559 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-30 02:32:20,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:32:20,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694711513] [2023-11-30 02:32:20,559 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-30 02:32:20,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1759802128] [2023-11-30 02:32:20,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1759802128] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:32:20,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:32:20,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 02:32:20,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364777560] [2023-11-30 02:32:20,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:32:20,560 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 02:32:20,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:32:20,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 02:32:20,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 02:32:20,562 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 421 [2023-11-30 02:32:20,563 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 415 places, 403 transitions, 2101 flow. Second operand has 6 states, 6 states have (on average 256.5) internal successors, (1539), 6 states have internal predecessors, (1539), 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 02:32:20,563 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:32:20,563 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 421 [2023-11-30 02:32:20,563 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:32:21,185 INFO L124 PetriNetUnfolderBase]: 334/1712 cut-off events. [2023-11-30 02:32:21,185 INFO L125 PetriNetUnfolderBase]: For 2657/3420 co-relation queries the response was YES. [2023-11-30 02:32:21,187 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6587 conditions, 1712 events. 334/1712 cut-off events. For 2657/3420 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 8392 event pairs, 308 based on Foata normal form. 0/1546 useless extension candidates. Maximal degree in co-relation 4653. Up to 908 conditions per place. [2023-11-30 02:32:21,194 INFO L140 encePairwiseOnDemand]: 415/421 looper letters, 137 selfloop transitions, 5 changer transitions 2/402 dead transitions. [2023-11-30 02:32:21,194 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 419 places, 402 transitions, 2375 flow [2023-11-30 02:32:21,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 02:32:21,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 02:32:21,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1643 transitions. [2023-11-30 02:32:21,197 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6504354711005542 [2023-11-30 02:32:21,197 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1643 transitions. [2023-11-30 02:32:21,197 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1643 transitions. [2023-11-30 02:32:21,198 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:32:21,198 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1643 transitions. [2023-11-30 02:32:21,200 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 273.8333333333333) internal successors, (1643), 6 states have internal predecessors, (1643), 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 02:32:21,203 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 421.0) internal successors, (2947), 7 states have internal predecessors, (2947), 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 02:32:21,203 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 421.0) internal successors, (2947), 7 states have internal predecessors, (2947), 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 02:32:21,204 INFO L307 CegarLoopForPetriNet]: 397 programPoint places, 22 predicate places. [2023-11-30 02:32:21,204 INFO L500 AbstractCegarLoop]: Abstraction has has 419 places, 402 transitions, 2375 flow [2023-11-30 02:32:21,204 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 256.5) internal successors, (1539), 6 states have internal predecessors, (1539), 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 02:32:21,204 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:32:21,204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:32:21,214 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-30 02:32:21,410 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 02:32:21,410 INFO L425 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-30 02:32:21,410 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:32:21,411 INFO L85 PathProgramCache]: Analyzing trace with hash 359080098, now seen corresponding path program 1 times [2023-11-30 02:32:21,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:32:21,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420190878] [2023-11-30 02:32:21,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:32:21,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:32:21,431 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-30 02:32:21,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1391808835] [2023-11-30 02:32:21,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:32:21,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 02:32:21,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 02:32:21,446 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-30 02:32:21,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-30 02:32:21,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:32:21,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-30 02:32:21,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-30 02:32:21,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-30 02:32:21,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-11-30 02:32:21,634 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-30 02:32:21,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2023-11-30 02:32:21,651 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-30 02:32:21,651 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2023-11-30 02:32:21,666 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 02:32:21,666 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-30 02:32:21,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:32:21,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420190878] [2023-11-30 02:32:21,667 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-30 02:32:21,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1391808835] [2023-11-30 02:32:21,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1391808835] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:32:21,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:32:21,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 02:32:21,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450651541] [2023-11-30 02:32:21,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:32:21,668 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 02:32:21,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:32:21,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 02:32:21,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 02:32:21,669 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 421 [2023-11-30 02:32:21,680 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 419 places, 402 transitions, 2375 flow. Second operand has 6 states, 6 states have (on average 255.5) internal successors, (1533), 6 states have internal predecessors, (1533), 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 02:32:21,681 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:32:21,681 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 421 [2023-11-30 02:32:21,681 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:32:22,051 INFO L124 PetriNetUnfolderBase]: 334/1708 cut-off events. [2023-11-30 02:32:22,051 INFO L125 PetriNetUnfolderBase]: For 3691/4622 co-relation queries the response was YES. [2023-11-30 02:32:22,054 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7491 conditions, 1708 events. 334/1708 cut-off events. For 3691/4622 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 8378 event pairs, 308 based on Foata normal form. 0/1546 useless extension candidates. Maximal degree in co-relation 5323. Up to 908 conditions per place. [2023-11-30 02:32:22,061 INFO L140 encePairwiseOnDemand]: 415/421 looper letters, 138 selfloop transitions, 5 changer transitions 2/401 dead transitions. [2023-11-30 02:32:22,061 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 423 places, 401 transitions, 2649 flow [2023-11-30 02:32:22,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 02:32:22,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 02:32:22,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1632 transitions. [2023-11-30 02:32:22,066 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6460807600950119 [2023-11-30 02:32:22,066 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1632 transitions. [2023-11-30 02:32:22,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1632 transitions. [2023-11-30 02:32:22,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:32:22,068 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1632 transitions. [2023-11-30 02:32:22,070 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 272.0) internal successors, (1632), 6 states have internal predecessors, (1632), 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 02:32:22,073 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 421.0) internal successors, (2947), 7 states have internal predecessors, (2947), 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 02:32:22,073 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 421.0) internal successors, (2947), 7 states have internal predecessors, (2947), 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 02:32:22,073 INFO L307 CegarLoopForPetriNet]: 397 programPoint places, 26 predicate places. [2023-11-30 02:32:22,073 INFO L500 AbstractCegarLoop]: Abstraction has has 423 places, 401 transitions, 2649 flow [2023-11-30 02:32:22,074 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 255.5) internal successors, (1533), 6 states have internal predecessors, (1533), 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 02:32:22,074 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:32:22,074 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:32:22,082 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-30 02:32:22,279 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 02:32:22,280 INFO L425 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-30 02:32:22,280 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:32:22,280 INFO L85 PathProgramCache]: Analyzing trace with hash -159879217, now seen corresponding path program 1 times [2023-11-30 02:32:22,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:32:22,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167421550] [2023-11-30 02:32:22,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:32:22,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:32:22,307 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-30 02:32:22,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [498999007] [2023-11-30 02:32:22,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:32:22,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 02:32:22,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 02:32:22,308 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-30 02:32:22,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-30 02:32:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:32:22,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-30 02:32:22,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-30 02:32:22,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-30 02:32:22,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2023-11-30 02:32:22,499 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-30 02:32:22,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2023-11-30 02:32:22,514 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-30 02:32:22,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 46 [2023-11-30 02:32:22,527 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 02:32:22,527 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-30 02:32:22,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:32:22,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167421550] [2023-11-30 02:32:22,527 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-30 02:32:22,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498999007] [2023-11-30 02:32:22,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [498999007] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:32:22,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:32:22,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 02:32:22,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107781209] [2023-11-30 02:32:22,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:32:22,528 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 02:32:22,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:32:22,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 02:32:22,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 02:32:22,530 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 421 [2023-11-30 02:32:22,531 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 423 places, 401 transitions, 2649 flow. Second operand has 6 states, 6 states have (on average 256.5) internal successors, (1539), 6 states have internal predecessors, (1539), 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 02:32:22,531 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:32:22,531 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 421 [2023-11-30 02:32:22,531 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:32:22,919 INFO L124 PetriNetUnfolderBase]: 334/1704 cut-off events. [2023-11-30 02:32:22,920 INFO L125 PetriNetUnfolderBase]: For 4904/6003 co-relation queries the response was YES. [2023-11-30 02:32:22,923 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8387 conditions, 1704 events. 334/1704 cut-off events. For 4904/6003 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 8381 event pairs, 308 based on Foata normal form. 0/1546 useless extension candidates. Maximal degree in co-relation 5993. Up to 904 conditions per place. [2023-11-30 02:32:22,934 INFO L140 encePairwiseOnDemand]: 415/421 looper letters, 137 selfloop transitions, 5 changer transitions 2/400 dead transitions. [2023-11-30 02:32:22,935 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 400 transitions, 2919 flow [2023-11-30 02:32:22,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 02:32:22,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 02:32:22,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1631 transitions. [2023-11-30 02:32:22,938 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6456848772763262 [2023-11-30 02:32:22,938 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1631 transitions. [2023-11-30 02:32:22,938 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1631 transitions. [2023-11-30 02:32:22,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:32:22,939 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1631 transitions. [2023-11-30 02:32:22,941 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 271.8333333333333) internal successors, (1631), 6 states have internal predecessors, (1631), 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 02:32:22,944 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 421.0) internal successors, (2947), 7 states have internal predecessors, (2947), 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 02:32:22,944 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 421.0) internal successors, (2947), 7 states have internal predecessors, (2947), 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 02:32:22,945 INFO L307 CegarLoopForPetriNet]: 397 programPoint places, 30 predicate places. [2023-11-30 02:32:22,945 INFO L500 AbstractCegarLoop]: Abstraction has has 427 places, 400 transitions, 2919 flow [2023-11-30 02:32:22,946 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 256.5) internal successors, (1539), 6 states have internal predecessors, (1539), 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 02:32:22,946 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:32:22,946 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:32:22,956 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-30 02:32:23,156 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 02:32:23,157 INFO L425 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-30 02:32:23,157 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:32:23,157 INFO L85 PathProgramCache]: Analyzing trace with hash -478380068, now seen corresponding path program 1 times [2023-11-30 02:32:23,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:32:23,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143207984] [2023-11-30 02:32:23,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:32:23,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:32:23,180 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-30 02:32:23,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1034102676] [2023-11-30 02:32:23,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:32:23,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 02:32:23,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 02:32:23,181 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-30 02:32:23,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-30 02:32:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:32:23,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-30 02:32:23,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-30 02:32:23,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-30 02:32:23,367 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-11-30 02:32:23,378 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-30 02:32:23,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2023-11-30 02:32:23,393 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-30 02:32:23,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2023-11-30 02:32:23,406 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 02:32:23,406 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-30 02:32:23,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:32:23,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143207984] [2023-11-30 02:32:23,406 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-30 02:32:23,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1034102676] [2023-11-30 02:32:23,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1034102676] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:32:23,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:32:23,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 02:32:23,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729302689] [2023-11-30 02:32:23,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:32:23,407 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 02:32:23,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:32:23,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 02:32:23,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 02:32:23,409 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 421 [2023-11-30 02:32:23,410 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 427 places, 400 transitions, 2919 flow. Second operand has 6 states, 6 states have (on average 258.3333333333333) internal successors, (1550), 6 states have internal predecessors, (1550), 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 02:32:23,410 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:32:23,410 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 421 [2023-11-30 02:32:23,410 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:32:23,813 INFO L124 PetriNetUnfolderBase]: 334/1700 cut-off events. [2023-11-30 02:32:23,813 INFO L125 PetriNetUnfolderBase]: For 6252/7519 co-relation queries the response was YES. [2023-11-30 02:32:23,816 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9271 conditions, 1700 events. 334/1700 cut-off events. For 6252/7519 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 8367 event pairs, 308 based on Foata normal form. 0/1546 useless extension candidates. Maximal degree in co-relation 6663. Up to 900 conditions per place. [2023-11-30 02:32:23,823 INFO L140 encePairwiseOnDemand]: 415/421 looper letters, 135 selfloop transitions, 5 changer transitions 2/399 dead transitions. [2023-11-30 02:32:23,823 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 431 places, 399 transitions, 3183 flow [2023-11-30 02:32:23,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 02:32:23,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 02:32:23,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1635 transitions. [2023-11-30 02:32:23,826 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6472684085510689 [2023-11-30 02:32:23,826 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1635 transitions. [2023-11-30 02:32:23,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1635 transitions. [2023-11-30 02:32:23,827 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:32:23,827 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1635 transitions. [2023-11-30 02:32:23,829 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 272.5) internal successors, (1635), 6 states have internal predecessors, (1635), 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 02:32:23,832 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 421.0) internal successors, (2947), 7 states have internal predecessors, (2947), 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 02:32:23,832 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 421.0) internal successors, (2947), 7 states have internal predecessors, (2947), 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 02:32:23,832 INFO L307 CegarLoopForPetriNet]: 397 programPoint places, 34 predicate places. [2023-11-30 02:32:23,833 INFO L500 AbstractCegarLoop]: Abstraction has has 431 places, 399 transitions, 3183 flow [2023-11-30 02:32:23,833 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 258.3333333333333) internal successors, (1550), 6 states have internal predecessors, (1550), 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 02:32:23,833 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:32:23,833 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:32:23,854 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-30 02:32:24,039 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 02:32:24,039 INFO L425 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-30 02:32:24,039 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:32:24,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1574502272, now seen corresponding path program 1 times [2023-11-30 02:32:24,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:32:24,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741527780] [2023-11-30 02:32:24,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:32:24,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:32:24,062 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-30 02:32:24,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [356226835] [2023-11-30 02:32:24,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:32:24,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 02:32:24,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 02:32:24,063 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-30 02:32:24,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-30 02:32:24,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:32:24,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-30 02:32:24,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-30 02:32:24,361 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:32:24,361 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-30 02:32:24,459 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:32:24,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:32:24,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741527780] [2023-11-30 02:32:24,460 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-30 02:32:24,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356226835] [2023-11-30 02:32:24,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [356226835] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-30 02:32:24,460 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-30 02:32:24,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-30 02:32:24,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340669556] [2023-11-30 02:32:24,460 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-30 02:32:24,461 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-30 02:32:24,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:32:24,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-30 02:32:24,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-30 02:32:24,463 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 379 out of 421 [2023-11-30 02:32:24,468 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 431 places, 399 transitions, 3183 flow. Second operand has 8 states, 8 states have (on average 381.0) internal successors, (3048), 8 states have internal predecessors, (3048), 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 02:32:24,468 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:32:24,468 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 379 of 421 [2023-11-30 02:32:24,468 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:32:24,932 INFO L124 PetriNetUnfolderBase]: 334/1886 cut-off events. [2023-11-30 02:32:24,933 INFO L125 PetriNetUnfolderBase]: For 8022/9361 co-relation queries the response was YES. [2023-11-30 02:32:24,935 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10360 conditions, 1886 events. 334/1886 cut-off events. For 8022/9361 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 7964 event pairs, 308 based on Foata normal form. 0/1732 useless extension candidates. Maximal degree in co-relation 6742. Up to 988 conditions per place. [2023-11-30 02:32:24,943 INFO L140 encePairwiseOnDemand]: 415/421 looper letters, 25 selfloop transitions, 9 changer transitions 2/407 dead transitions. [2023-11-30 02:32:24,943 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 439 places, 407 transitions, 3283 flow [2023-11-30 02:32:24,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-30 02:32:24,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-30 02:32:24,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3444 transitions. [2023-11-30 02:32:24,948 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9089469517022961 [2023-11-30 02:32:24,948 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 3444 transitions. [2023-11-30 02:32:24,948 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 3444 transitions. [2023-11-30 02:32:24,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:32:24,949 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 3444 transitions. [2023-11-30 02:32:24,954 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 382.6666666666667) internal successors, (3444), 9 states have internal predecessors, (3444), 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 02:32:24,958 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 421.0) internal successors, (4210), 10 states have internal predecessors, (4210), 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 02:32:24,958 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 421.0) internal successors, (4210), 10 states have internal predecessors, (4210), 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 02:32:24,959 INFO L307 CegarLoopForPetriNet]: 397 programPoint places, 42 predicate places. [2023-11-30 02:32:24,959 INFO L500 AbstractCegarLoop]: Abstraction has has 439 places, 407 transitions, 3283 flow [2023-11-30 02:32:24,960 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 381.0) internal successors, (3048), 8 states have internal predecessors, (3048), 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 02:32:24,960 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:32:24,960 INFO L232 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:32:24,978 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-30 02:32:25,179 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 02:32:25,179 INFO L425 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-30 02:32:25,180 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:32:25,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1583784128, now seen corresponding path program 2 times [2023-11-30 02:32:25,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:32:25,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213423130] [2023-11-30 02:32:25,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:32:25,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:32:25,222 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-30 02:32:25,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [607977618] [2023-11-30 02:32:25,222 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-30 02:32:25,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 02:32:25,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 02:32:25,239 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-30 02:32:25,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-30 02:32:25,468 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-30 02:32:25,469 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-30 02:32:25,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-30 02:32:25,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-30 02:32:25,483 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2023-11-30 02:32:25,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2023-11-30 02:32:25,499 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-30 02:32:25,500 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 43 [2023-11-30 02:32:25,517 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-30 02:32:25,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 58 [2023-11-30 02:32:25,533 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2023-11-30 02:32:25,533 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-30 02:32:25,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:32:25,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213423130] [2023-11-30 02:32:25,533 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-30 02:32:25,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607977618] [2023-11-30 02:32:25,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [607977618] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:32:25,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:32:25,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 02:32:25,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689573541] [2023-11-30 02:32:25,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:32:25,534 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 02:32:25,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:32:25,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 02:32:25,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 02:32:25,536 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 421 [2023-11-30 02:32:25,536 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 439 places, 407 transitions, 3283 flow. Second operand has 6 states, 6 states have (on average 248.83333333333334) internal successors, (1493), 6 states have internal predecessors, (1493), 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 02:32:25,536 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:32:25,536 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 421 [2023-11-30 02:32:25,537 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:32:26,212 INFO L124 PetriNetUnfolderBase]: 352/1908 cut-off events. [2023-11-30 02:32:26,213 INFO L125 PetriNetUnfolderBase]: For 9595/11261 co-relation queries the response was YES. [2023-11-30 02:32:26,215 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11534 conditions, 1908 events. 352/1908 cut-off events. For 9595/11261 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 8041 event pairs, 326 based on Foata normal form. 0/1753 useless extension candidates. Maximal degree in co-relation 7619. Up to 1014 conditions per place. [2023-11-30 02:32:26,223 INFO L140 encePairwiseOnDemand]: 409/421 looper letters, 142 selfloop transitions, 10 changer transitions 2/405 dead transitions. [2023-11-30 02:32:26,223 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 442 places, 405 transitions, 3551 flow [2023-11-30 02:32:26,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 02:32:26,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 02:32:26,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1579 transitions. [2023-11-30 02:32:26,226 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6250989707046715 [2023-11-30 02:32:26,226 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1579 transitions. [2023-11-30 02:32:26,226 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1579 transitions. [2023-11-30 02:32:26,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:32:26,227 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1579 transitions. [2023-11-30 02:32:26,229 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 263.1666666666667) internal successors, (1579), 6 states have internal predecessors, (1579), 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 02:32:26,232 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 421.0) internal successors, (2947), 7 states have internal predecessors, (2947), 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 02:32:26,232 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 421.0) internal successors, (2947), 7 states have internal predecessors, (2947), 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 02:32:26,233 INFO L307 CegarLoopForPetriNet]: 397 programPoint places, 45 predicate places. [2023-11-30 02:32:26,233 INFO L500 AbstractCegarLoop]: Abstraction has has 442 places, 405 transitions, 3551 flow [2023-11-30 02:32:26,233 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 248.83333333333334) internal successors, (1493), 6 states have internal predecessors, (1493), 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 02:32:26,233 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:32:26,233 INFO L232 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:32:26,253 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-30 02:32:26,439 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-30 02:32:26,439 INFO L425 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-30 02:32:26,439 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:32:26,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1856895001, now seen corresponding path program 1 times [2023-11-30 02:32:26,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:32:26,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473310682] [2023-11-30 02:32:26,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:32:26,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:32:26,489 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-30 02:32:26,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1720544107] [2023-11-30 02:32:26,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:32:26,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 02:32:26,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 02:32:26,496 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-30 02:32:26,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-30 02:32:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:32:26,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 1424 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-30 02:32:26,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-30 02:32:27,147 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 1 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:32:27,147 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-30 02:32:27,453 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 1 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:32:27,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:32:27,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473310682] [2023-11-30 02:32:27,453 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-30 02:32:27,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1720544107] [2023-11-30 02:32:27,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1720544107] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-30 02:32:27,454 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-30 02:32:27,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2023-11-30 02:32:27,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917679818] [2023-11-30 02:32:27,454 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-30 02:32:27,455 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-30 02:32:27,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:32:27,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-30 02:32:27,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2023-11-30 02:32:27,459 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 379 out of 421 [2023-11-30 02:32:27,462 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 442 places, 405 transitions, 3551 flow. Second operand has 16 states, 16 states have (on average 381.25) internal successors, (6100), 16 states have internal predecessors, (6100), 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 02:32:27,462 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:32:27,462 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 379 of 421 [2023-11-30 02:32:27,462 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:32:28,634 INFO L124 PetriNetUnfolderBase]: 352/2636 cut-off events. [2023-11-30 02:32:28,634 INFO L125 PetriNetUnfolderBase]: For 13195/14885 co-relation queries the response was YES. [2023-11-30 02:32:28,637 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15905 conditions, 2636 events. 352/2636 cut-off events. For 13195/14885 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 8059 event pairs, 326 based on Foata normal form. 0/2481 useless extension candidates. Maximal degree in co-relation 8141. Up to 1356 conditions per place. [2023-11-30 02:32:28,646 INFO L140 encePairwiseOnDemand]: 415/421 looper letters, 37 selfloop transitions, 21 changer transitions 2/429 dead transitions. [2023-11-30 02:32:28,646 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 462 places, 429 transitions, 3819 flow [2023-11-30 02:32:28,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-30 02:32:28,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2023-11-30 02:32:28,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 8014 transitions. [2023-11-30 02:32:28,656 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9064585454134148 [2023-11-30 02:32:28,656 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 8014 transitions. [2023-11-30 02:32:28,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 8014 transitions. [2023-11-30 02:32:28,658 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:32:28,658 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 8014 transitions. [2023-11-30 02:32:28,667 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 381.6190476190476) internal successors, (8014), 21 states have internal predecessors, (8014), 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 02:32:28,676 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 421.0) internal successors, (9262), 22 states have internal predecessors, (9262), 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 02:32:28,677 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 421.0) internal successors, (9262), 22 states have internal predecessors, (9262), 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 02:32:28,678 INFO L307 CegarLoopForPetriNet]: 397 programPoint places, 65 predicate places. [2023-11-30 02:32:28,678 INFO L500 AbstractCegarLoop]: Abstraction has has 462 places, 429 transitions, 3819 flow [2023-11-30 02:32:28,679 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 381.25) internal successors, (6100), 16 states have internal predecessors, (6100), 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 02:32:28,679 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:32:28,680 INFO L232 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:32:28,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-30 02:32:28,887 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-30 02:32:28,888 INFO L425 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-30 02:32:28,888 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:32:28,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1460041881, now seen corresponding path program 2 times [2023-11-30 02:32:28,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:32:28,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419741901] [2023-11-30 02:32:28,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:32:28,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:32:29,043 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-30 02:32:29,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1023629571] [2023-11-30 02:32:29,044 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-30 02:32:29,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 02:32:29,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 02:32:29,045 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-30 02:32:29,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-30 02:32:29,462 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-30 02:32:29,462 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-30 02:32:29,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-30 02:32:29,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-30 02:32:29,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-30 02:32:29,524 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-11-30 02:32:29,537 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-30 02:32:29,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2023-11-30 02:32:29,552 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-30 02:32:29,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2023-11-30 02:32:29,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1919 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1919 trivial. 0 not checked. [2023-11-30 02:32:29,566 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-30 02:32:29,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:32:29,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419741901] [2023-11-30 02:32:29,567 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-30 02:32:29,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1023629571] [2023-11-30 02:32:29,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1023629571] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:32:29,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:32:29,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 02:32:29,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907104514] [2023-11-30 02:32:29,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:32:29,568 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 02:32:29,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:32:29,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 02:32:29,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 02:32:29,570 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 421 [2023-11-30 02:32:29,571 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 462 places, 429 transitions, 3819 flow. Second operand has 6 states, 6 states have (on average 263.5) internal successors, (1581), 6 states have internal predecessors, (1581), 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 02:32:29,571 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:32:29,571 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 421 [2023-11-30 02:32:29,571 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:32:30,749 INFO L124 PetriNetUnfolderBase]: 397/2774 cut-off events. [2023-11-30 02:32:30,750 INFO L125 PetriNetUnfolderBase]: For 15469/16405 co-relation queries the response was YES. [2023-11-30 02:32:30,761 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17993 conditions, 2774 events. 397/2774 cut-off events. For 15469/16405 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 9897 event pairs, 368 based on Foata normal form. 0/2613 useless extension candidates. Maximal degree in co-relation 9180. Up to 1398 conditions per place. [2023-11-30 02:32:30,771 INFO L140 encePairwiseOnDemand]: 415/421 looper letters, 129 selfloop transitions, 5 changer transitions 2/428 dead transitions. [2023-11-30 02:32:30,771 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 466 places, 428 transitions, 4067 flow [2023-11-30 02:32:30,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 02:32:30,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 02:32:30,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1647 transitions. [2023-11-30 02:32:30,774 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6520190023752969 [2023-11-30 02:32:30,774 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1647 transitions. [2023-11-30 02:32:30,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1647 transitions. [2023-11-30 02:32:30,775 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:32:30,775 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1647 transitions. [2023-11-30 02:32:30,777 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 274.5) internal successors, (1647), 6 states have internal predecessors, (1647), 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 02:32:30,779 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 421.0) internal successors, (2947), 7 states have internal predecessors, (2947), 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 02:32:30,780 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 421.0) internal successors, (2947), 7 states have internal predecessors, (2947), 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 02:32:30,780 INFO L307 CegarLoopForPetriNet]: 397 programPoint places, 69 predicate places. [2023-11-30 02:32:30,780 INFO L500 AbstractCegarLoop]: Abstraction has has 466 places, 428 transitions, 4067 flow [2023-11-30 02:32:30,781 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 263.5) internal successors, (1581), 6 states have internal predecessors, (1581), 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 02:32:30,781 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:32:30,781 INFO L232 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:32:30,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-30 02:32:30,987 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-30 02:32:30,988 INFO L425 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-30 02:32:30,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:32:30,988 INFO L85 PathProgramCache]: Analyzing trace with hash 805919436, now seen corresponding path program 1 times [2023-11-30 02:32:30,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:32:30,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807677119] [2023-11-30 02:32:30,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:32:30,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:32:31,148 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-30 02:32:31,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [755426556] [2023-11-30 02:32:31,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:32:31,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 02:32:31,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 02:32:31,150 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-30 02:32:31,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-30 02:32:31,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:32:31,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 2937 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-30 02:32:31,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-30 02:32:32,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1919 backedges. 1 proven. 1918 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:32:32,581 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-30 02:32:33,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1919 backedges. 1 proven. 1918 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:32:33,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:32:33,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807677119] [2023-11-30 02:32:33,249 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-30 02:32:33,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755426556] [2023-11-30 02:32:33,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755426556] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-30 02:32:33,249 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-30 02:32:33,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2023-11-30 02:32:33,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445573241] [2023-11-30 02:32:33,252 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-30 02:32:33,252 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-11-30 02:32:33,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:32:33,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-11-30 02:32:33,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=272, Invalid=720, Unknown=0, NotChecked=0, Total=992 [2023-11-30 02:32:33,259 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 379 out of 421 [2023-11-30 02:32:33,265 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 466 places, 428 transitions, 4067 flow. Second operand has 32 states, 32 states have (on average 381.375) internal successors, (12204), 32 states have internal predecessors, (12204), 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 02:32:33,265 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:32:33,265 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 379 of 421 [2023-11-30 02:32:33,265 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:32:36,188 INFO L124 PetriNetUnfolderBase]: 397/4230 cut-off events. [2023-11-30 02:32:36,188 INFO L125 PetriNetUnfolderBase]: For 22682/23634 co-relation queries the response was YES. [2023-11-30 02:32:36,191 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27415 conditions, 4230 events. 397/4230 cut-off events. For 22682/23634 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 9836 event pairs, 368 based on Foata normal form. 0/4069 useless extension candidates. Maximal degree in co-relation 18039. Up to 2102 conditions per place. [2023-11-30 02:32:36,205 INFO L140 encePairwiseOnDemand]: 415/421 looper letters, 61 selfloop transitions, 45 changer transitions 2/476 dead transitions. [2023-11-30 02:32:36,206 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 510 places, 476 transitions, 4679 flow [2023-11-30 02:32:36,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-11-30 02:32:36,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2023-11-30 02:32:36,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 17154 transitions. [2023-11-30 02:32:36,219 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9054631828978622 [2023-11-30 02:32:36,219 INFO L72 ComplementDD]: Start complementDD. Operand 45 states and 17154 transitions. [2023-11-30 02:32:36,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 17154 transitions. [2023-11-30 02:32:36,223 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:32:36,223 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 45 states and 17154 transitions. [2023-11-30 02:32:36,290 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 46 states, 45 states have (on average 381.2) internal successors, (17154), 45 states have internal predecessors, (17154), 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 02:32:36,310 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 46 states, 46 states have (on average 421.0) internal successors, (19366), 46 states have internal predecessors, (19366), 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 02:32:36,314 INFO L81 ComplementDD]: Finished complementDD. Result has 46 states, 46 states have (on average 421.0) internal successors, (19366), 46 states have internal predecessors, (19366), 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 02:32:36,315 INFO L307 CegarLoopForPetriNet]: 397 programPoint places, 113 predicate places. [2023-11-30 02:32:36,315 INFO L500 AbstractCegarLoop]: Abstraction has has 510 places, 476 transitions, 4679 flow [2023-11-30 02:32:36,318 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 381.375) internal successors, (12204), 32 states have internal predecessors, (12204), 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 02:32:36,318 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:32:36,318 INFO L232 CegarLoopForPetriNet]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:32:36,352 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-30 02:32:36,528 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-30 02:32:36,529 INFO L425 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-30 02:32:36,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:32:36,529 INFO L85 PathProgramCache]: Analyzing trace with hash 250428364, now seen corresponding path program 2 times [2023-11-30 02:32:36,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:32:36,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523587291] [2023-11-30 02:32:36,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:32:36,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:32:36,706 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-30 02:32:36,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1407781604] [2023-11-30 02:32:36,706 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-30 02:32:36,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 02:32:36,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 02:32:36,707 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-30 02:32:36,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-30 02:32:37,507 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-30 02:32:37,507 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-30 02:32:37,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-30 02:32:37,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-30 02:32:37,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-30 02:32:37,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-11-30 02:32:37,570 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-30 02:32:37,570 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2023-11-30 02:32:37,591 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-30 02:32:37,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2023-11-30 02:32:37,608 INFO L134 CoverageAnalysis]: Checked inductivity of 9571 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9571 trivial. 0 not checked. [2023-11-30 02:32:37,608 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-30 02:32:37,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:32:37,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523587291] [2023-11-30 02:32:37,609 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-30 02:32:37,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1407781604] [2023-11-30 02:32:37,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1407781604] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:32:37,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:32:37,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 02:32:37,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58192707] [2023-11-30 02:32:37,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:32:37,610 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 02:32:37,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:32:37,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 02:32:37,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 02:32:37,612 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 421 [2023-11-30 02:32:37,613 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 510 places, 476 transitions, 4679 flow. Second operand has 6 states, 6 states have (on average 262.5) internal successors, (1575), 6 states have internal predecessors, (1575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:32:37,613 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:32:37,613 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 421 [2023-11-30 02:32:37,614 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:32:40,403 INFO L124 PetriNetUnfolderBase]: 397/4229 cut-off events. [2023-11-30 02:32:40,403 INFO L125 PetriNetUnfolderBase]: For 25969/27033 co-relation queries the response was YES. [2023-11-30 02:32:40,406 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29443 conditions, 4229 events. 397/4229 cut-off events. For 25969/27033 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 9889 event pairs, 368 based on Foata normal form. 0/4069 useless extension candidates. Maximal degree in co-relation 19281. Up to 2101 conditions per place. [2023-11-30 02:32:40,417 INFO L140 encePairwiseOnDemand]: 415/421 looper letters, 130 selfloop transitions, 5 changer transitions 2/475 dead transitions. [2023-11-30 02:32:40,417 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 514 places, 475 transitions, 4927 flow [2023-11-30 02:32:40,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 02:32:40,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 02:32:40,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1636 transitions. [2023-11-30 02:32:40,419 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6476642913697546 [2023-11-30 02:32:40,419 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1636 transitions. [2023-11-30 02:32:40,419 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1636 transitions. [2023-11-30 02:32:40,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:32:40,419 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1636 transitions. [2023-11-30 02:32:40,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 272.6666666666667) internal successors, (1636), 6 states have internal predecessors, (1636), 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 02:32:40,423 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 421.0) internal successors, (2947), 7 states have internal predecessors, (2947), 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 02:32:40,423 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 421.0) internal successors, (2947), 7 states have internal predecessors, (2947), 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 02:32:40,423 INFO L307 CegarLoopForPetriNet]: 397 programPoint places, 117 predicate places. [2023-11-30 02:32:40,423 INFO L500 AbstractCegarLoop]: Abstraction has has 514 places, 475 transitions, 4927 flow [2023-11-30 02:32:40,424 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 262.5) internal successors, (1575), 6 states have internal predecessors, (1575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:32:40,424 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:32:40,424 INFO L232 CegarLoopForPetriNet]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:32:40,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-30 02:32:40,630 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-30 02:32:40,631 INFO L425 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-30 02:32:40,631 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:32:40,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1780922273, now seen corresponding path program 1 times [2023-11-30 02:32:40,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:32:40,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646671065] [2023-11-30 02:32:40,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:32:40,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:32:40,795 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-30 02:32:40,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1195258589] [2023-11-30 02:32:40,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:32:40,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 02:32:40,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 02:32:40,796 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-30 02:32:40,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-30 02:32:42,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:32:42,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 5936 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-30 02:32:42,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-30 02:32:42,455 INFO L134 CoverageAnalysis]: Checked inductivity of 9571 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9571 trivial. 0 not checked. [2023-11-30 02:32:42,456 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-30 02:32:42,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:32:42,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646671065] [2023-11-30 02:32:42,456 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-30 02:32:42,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195258589] [2023-11-30 02:32:42,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195258589] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:32:42,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:32:42,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 02:32:42,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423023923] [2023-11-30 02:32:42,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:32:42,457 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:32:42,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:32:42,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:32:42,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:32:42,458 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 380 out of 421 [2023-11-30 02:32:42,459 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 514 places, 475 transitions, 4927 flow. Second operand has 3 states, 3 states have (on average 381.3333333333333) internal successors, (1144), 3 states have internal predecessors, (1144), 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 02:32:42,459 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:32:42,459 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 380 of 421 [2023-11-30 02:32:42,459 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:32:45,388 INFO L124 PetriNetUnfolderBase]: 444/4372 cut-off events. [2023-11-30 02:32:45,388 INFO L125 PetriNetUnfolderBase]: For 36133/38370 co-relation queries the response was YES. [2023-11-30 02:32:45,392 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31137 conditions, 4372 events. 444/4372 cut-off events. For 36133/38370 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 10524 event pairs, 408 based on Foata normal form. 1/4112 useless extension candidates. Maximal degree in co-relation 19193. Up to 2196 conditions per place. [2023-11-30 02:32:45,403 INFO L140 encePairwiseOnDemand]: 418/421 looper letters, 27 selfloop transitions, 2 changer transitions 2/485 dead transitions. [2023-11-30 02:32:45,404 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 516 places, 485 transitions, 5261 flow [2023-11-30 02:32:45,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:32:45,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:32:45,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1170 transitions. [2023-11-30 02:32:45,405 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9263657957244655 [2023-11-30 02:32:45,405 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1170 transitions. [2023-11-30 02:32:45,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1170 transitions. [2023-11-30 02:32:45,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:32:45,406 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1170 transitions. [2023-11-30 02:32:45,407 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 390.0) internal successors, (1170), 3 states have internal predecessors, (1170), 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 02:32:45,407 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 421.0) internal successors, (1684), 4 states have internal predecessors, (1684), 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 02:32:45,407 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 421.0) internal successors, (1684), 4 states have internal predecessors, (1684), 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 02:32:45,408 INFO L307 CegarLoopForPetriNet]: 397 programPoint places, 119 predicate places. [2023-11-30 02:32:45,408 INFO L500 AbstractCegarLoop]: Abstraction has has 516 places, 485 transitions, 5261 flow [2023-11-30 02:32:45,408 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 381.3333333333333) internal successors, (1144), 3 states have internal predecessors, (1144), 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 02:32:45,408 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:32:45,409 INFO L232 CegarLoopForPetriNet]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:32:45,430 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-30 02:32:45,630 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-30 02:32:45,631 INFO L425 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-30 02:32:45,631 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:32:45,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1779821155, now seen corresponding path program 1 times [2023-11-30 02:32:45,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:32:45,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440151010] [2023-11-30 02:32:45,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:32:45,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:32:45,816 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-30 02:32:45,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1987758834] [2023-11-30 02:32:45,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:32:45,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 02:32:45,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 02:32:45,833 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-30 02:32:45,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-30 02:32:47,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:32:47,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 5960 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-30 02:32:47,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-30 02:32:49,010 INFO L134 CoverageAnalysis]: Checked inductivity of 9576 backedges. 1 proven. 9570 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-30 02:32:49,011 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-30 02:32:50,697 INFO L134 CoverageAnalysis]: Checked inductivity of 9576 backedges. 1 proven. 9570 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-30 02:32:50,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:32:50,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440151010] [2023-11-30 02:32:50,698 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-30 02:32:50,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1987758834] [2023-11-30 02:32:50,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1987758834] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-30 02:32:50,698 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-30 02:32:50,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 61 [2023-11-30 02:32:50,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938895423] [2023-11-30 02:32:50,699 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-30 02:32:50,702 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2023-11-30 02:32:50,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:32:50,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2023-11-30 02:32:50,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=960, Invalid=2700, Unknown=0, NotChecked=0, Total=3660 [2023-11-30 02:32:50,721 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 379 out of 421 [2023-11-30 02:32:50,744 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 516 places, 485 transitions, 5261 flow. Second operand has 61 states, 61 states have (on average 381.4918032786885) internal successors, (23271), 61 states have internal predecessors, (23271), 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 02:32:50,744 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:32:50,744 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 379 of 421 [2023-11-30 02:32:50,744 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:33:02,907 INFO L124 PetriNetUnfolderBase]: 444/7102 cut-off events. [2023-11-30 02:33:02,907 INFO L125 PetriNetUnfolderBase]: For 51876/53971 co-relation queries the response was YES. [2023-11-30 02:33:02,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50106 conditions, 7102 events. 444/7102 cut-off events. For 51876/53971 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 10559 event pairs, 408 based on Foata normal form. 0/6841 useless extension candidates. Maximal degree in co-relation 37982. Up to 3516 conditions per place. [2023-11-30 02:33:02,929 INFO L140 encePairwiseOnDemand]: 415/421 looper letters, 114 selfloop transitions, 90 changer transitions 2/575 dead transitions. [2023-11-30 02:33:02,929 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 605 places, 575 transitions, 6599 flow [2023-11-30 02:33:02,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-11-30 02:33:02,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2023-11-30 02:33:02,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 34291 transitions. [2023-11-30 02:33:02,946 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9050145157033518 [2023-11-30 02:33:02,946 INFO L72 ComplementDD]: Start complementDD. Operand 90 states and 34291 transitions. [2023-11-30 02:33:02,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 90 states and 34291 transitions. [2023-11-30 02:33:02,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:33:02,952 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 90 states and 34291 transitions. [2023-11-30 02:33:03,060 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 91 states, 90 states have (on average 381.0111111111111) internal successors, (34291), 90 states have internal predecessors, (34291), 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 02:33:03,084 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 91 states, 91 states have (on average 421.0) internal successors, (38311), 91 states have internal predecessors, (38311), 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 02:33:03,087 INFO L81 ComplementDD]: Finished complementDD. Result has 91 states, 91 states have (on average 421.0) internal successors, (38311), 91 states have internal predecessors, (38311), 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 02:33:03,087 INFO L307 CegarLoopForPetriNet]: 397 programPoint places, 208 predicate places. [2023-11-30 02:33:03,088 INFO L500 AbstractCegarLoop]: Abstraction has has 605 places, 575 transitions, 6599 flow [2023-11-30 02:33:03,090 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 381.4918032786885) internal successors, (23271), 61 states have internal predecessors, (23271), 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 02:33:03,090 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:33:03,091 INFO L232 CegarLoopForPetriNet]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:33:03,108 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-30 02:33:03,306 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 02:33:03,307 INFO L425 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-30 02:33:03,307 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:33:03,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1824859703, now seen corresponding path program 2 times [2023-11-30 02:33:03,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:33:03,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561214864] [2023-11-30 02:33:03,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:33:03,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:33:03,608 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-30 02:33:03,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1234839475] [2023-11-30 02:33:03,608 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-30 02:33:03,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 02:33:03,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 02:33:03,609 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-30 02:33:03,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-30 02:33:06,743 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-30 02:33:06,743 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-30 02:33:06,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 11495 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-30 02:33:06,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-30 02:33:09,113 INFO L134 CoverageAnalysis]: Checked inductivity of 39621 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 39620 trivial. 0 not checked. [2023-11-30 02:33:09,114 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-30 02:33:10,889 INFO L134 CoverageAnalysis]: Checked inductivity of 39621 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 39620 trivial. 0 not checked. [2023-11-30 02:33:10,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:33:10,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561214864] [2023-11-30 02:33:10,890 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-30 02:33:10,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1234839475] [2023-11-30 02:33:10,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1234839475] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-30 02:33:10,890 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-30 02:33:10,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-30 02:33:10,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341871144] [2023-11-30 02:33:10,891 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-30 02:33:10,893 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-30 02:33:10,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:33:10,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-30 02:33:10,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-30 02:33:10,895 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 376 out of 421 [2023-11-30 02:33:10,896 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 605 places, 575 transitions, 6599 flow. Second operand has 8 states, 8 states have (on average 378.875) internal successors, (3031), 8 states have internal predecessors, (3031), 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 02:33:10,896 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:33:10,896 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 376 of 421 [2023-11-30 02:33:10,896 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:33:52,829 INFO L124 PetriNetUnfolderBase]: 445/9864 cut-off events. [2023-11-30 02:33:52,829 INFO L125 PetriNetUnfolderBase]: For 68282/70379 co-relation queries the response was YES. [2023-11-30 02:33:52,846 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69303 conditions, 9864 events. 445/9864 cut-off events. For 68282/70379 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 9546 event pairs, 408 based on Foata normal form. 0/9602 useless extension candidates. Maximal degree in co-relation 56999. Up to 4846 conditions per place. [2023-11-30 02:33:52,875 INFO L140 encePairwiseOnDemand]: 415/421 looper letters, 126 selfloop transitions, 9 changer transitions 2/614 dead transitions. [2023-11-30 02:33:52,875 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 613 places, 614 transitions, 7327 flow [2023-11-30 02:33:52,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-30 02:33:52,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-30 02:33:52,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3426 transitions. [2023-11-30 02:33:52,894 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9041963578780681 [2023-11-30 02:33:52,894 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 3426 transitions. [2023-11-30 02:33:52,894 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 3426 transitions. [2023-11-30 02:33:52,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:33:52,895 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 3426 transitions. [2023-11-30 02:33:52,913 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 380.6666666666667) internal successors, (3426), 9 states have internal predecessors, (3426), 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 02:33:52,916 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 421.0) internal successors, (4210), 10 states have internal predecessors, (4210), 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 02:33:52,916 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 421.0) internal successors, (4210), 10 states have internal predecessors, (4210), 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 02:33:52,916 INFO L307 CegarLoopForPetriNet]: 397 programPoint places, 216 predicate places. [2023-11-30 02:33:52,916 INFO L500 AbstractCegarLoop]: Abstraction has has 613 places, 614 transitions, 7327 flow [2023-11-30 02:33:52,917 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 378.875) internal successors, (3031), 8 states have internal predecessors, (3031), 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 02:33:52,917 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:33:52,918 INFO L232 CegarLoopForPetriNet]: trace histogram [90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:33:52,966 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-30 02:33:53,119 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 02:33:53,119 INFO L425 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-30 02:33:53,120 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:33:53,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1951494857, now seen corresponding path program 3 times [2023-11-30 02:33:53,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:33:53,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360995385] [2023-11-30 02:33:53,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:33:53,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:33:54,119 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-30 02:33:54,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2090980136] [2023-11-30 02:33:54,120 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-30 02:33:54,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 02:33:54,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 02:33:54,140 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-30 02:33:54,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-30 02:45:01,292 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-11-30 02:45:01,292 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-30 02:45:01,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 1734 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-30 02:45:01,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-30 02:45:06,237 INFO L134 CoverageAnalysis]: Checked inductivity of 364820 backedges. 0 proven. 245970 refuted. 0 times theorem prover too weak. 118850 trivial. 0 not checked. [2023-11-30 02:45:06,237 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-30 02:45:12,357 INFO L134 CoverageAnalysis]: Checked inductivity of 364820 backedges. 0 proven. 245970 refuted. 0 times theorem prover too weak. 118850 trivial. 0 not checked. [2023-11-30 02:45:12,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:45:12,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360995385] [2023-11-30 02:45:12,358 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-30 02:45:12,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2090980136] [2023-11-30 02:45:12,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2090980136] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-30 02:45:12,358 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-30 02:45:12,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2023-11-30 02:45:12,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186892825] [2023-11-30 02:45:12,360 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-30 02:45:12,363 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-30 02:45:12,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:45:12,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-30 02:45:12,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2023-11-30 02:45:12,367 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 376 out of 421 [2023-11-30 02:45:12,369 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 613 places, 614 transitions, 7327 flow. Second operand has 16 states, 16 states have (on average 379.4375) internal successors, (6071), 16 states have internal predecessors, (6071), 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 02:45:12,369 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:45:12,369 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 376 of 421 [2023-11-30 02:45:12,369 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2023-11-30 02:46:44,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-30 02:46:44,939 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 30 remaining) [2023-11-30 02:46:44,958 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-30 02:46:44,958 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-30 02:46:45,060 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-11-30 02:46:45,164 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 02:46:45,164 WARN L624 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (16states, 376/421 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 97217 conditions, 14183 events (5/14182 cut-off events. For 61895/61895 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 5 event pairs, 0 based on Foata normal form. 0/14178 useless extension candidates. Maximal degree in co-relation 97195. Up to 6823 conditions per place.). [2023-11-30 02:46:45,166 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (28 of 30 remaining) [2023-11-30 02:46:45,166 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (27 of 30 remaining) [2023-11-30 02:46:45,166 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (26 of 30 remaining) [2023-11-30 02:46:45,166 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (25 of 30 remaining) [2023-11-30 02:46:45,166 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (24 of 30 remaining) [2023-11-30 02:46:45,166 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (23 of 30 remaining) [2023-11-30 02:46:45,166 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (22 of 30 remaining) [2023-11-30 02:46:45,166 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (21 of 30 remaining) [2023-11-30 02:46:45,166 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (20 of 30 remaining) [2023-11-30 02:46:45,166 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (19 of 30 remaining) [2023-11-30 02:46:45,166 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (18 of 30 remaining) [2023-11-30 02:46:45,166 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (17 of 30 remaining) [2023-11-30 02:46:45,167 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (16 of 30 remaining) [2023-11-30 02:46:45,167 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (15 of 30 remaining) [2023-11-30 02:46:45,167 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (14 of 30 remaining) [2023-11-30 02:46:45,167 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONDATA_RACE (13 of 30 remaining) [2023-11-30 02:46:45,167 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr6ASSERT_VIOLATIONDATA_RACE (12 of 30 remaining) [2023-11-30 02:46:45,167 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr5ASSERT_VIOLATIONDATA_RACE (11 of 30 remaining) [2023-11-30 02:46:45,167 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr1ASSERT_VIOLATIONDATA_RACE (10 of 30 remaining) [2023-11-30 02:46:45,167 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr3ASSERT_VIOLATIONDATA_RACE (9 of 30 remaining) [2023-11-30 02:46:45,167 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr2ASSERT_VIOLATIONDATA_RACE (8 of 30 remaining) [2023-11-30 02:46:45,167 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr4ASSERT_VIOLATIONDATA_RACE (7 of 30 remaining) [2023-11-30 02:46:45,167 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONDATA_RACE (6 of 30 remaining) [2023-11-30 02:46:45,167 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr6ASSERT_VIOLATIONDATA_RACE (5 of 30 remaining) [2023-11-30 02:46:45,167 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr5ASSERT_VIOLATIONDATA_RACE (4 of 30 remaining) [2023-11-30 02:46:45,167 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 30 remaining) [2023-11-30 02:46:45,167 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr3ASSERT_VIOLATIONDATA_RACE (2 of 30 remaining) [2023-11-30 02:46:45,167 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 30 remaining) [2023-11-30 02:46:45,167 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr4ASSERT_VIOLATIONDATA_RACE (0 of 30 remaining) [2023-11-30 02:46:45,168 INFO L457 BasicCegarLoop]: Path program histogram: [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:46:45,172 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 02:46:45,172 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 02:46:45,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 02:46:45 BasicIcfg [2023-11-30 02:46:45,174 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 02:46:45,175 INFO L158 Benchmark]: Toolchain (without parser) took 870638.54ms. Allocated memory was 350.2MB in the beginning and 6.2GB in the end (delta: 5.9GB). Free memory was 299.8MB in the beginning and 2.6GB in the end (delta: -2.3GB). Peak memory consumption was 3.6GB. Max. memory is 16.0GB. [2023-11-30 02:46:45,175 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 350.2MB. Free memory was 306.7MB in the beginning and 306.4MB in the end (delta: 237.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 02:46:45,175 INFO L158 Benchmark]: CACSL2BoogieTranslator took 411.74ms. Allocated memory is still 350.2MB. Free memory was 299.8MB in the beginning and 266.7MB in the end (delta: 33.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.0GB. [2023-11-30 02:46:45,175 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.45ms. Allocated memory is still 350.2MB. Free memory was 266.7MB in the beginning and 262.2MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-11-30 02:46:45,175 INFO L158 Benchmark]: Boogie Preprocessor took 76.81ms. Allocated memory was 350.2MB in the beginning and 448.8MB in the end (delta: 98.6MB). Free memory was 262.2MB in the beginning and 419.2MB in the end (delta: -157.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2023-11-30 02:46:45,175 INFO L158 Benchmark]: RCFGBuilder took 718.82ms. Allocated memory is still 448.8MB. Free memory was 419.2MB in the beginning and 373.1MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.0GB. [2023-11-30 02:46:45,175 INFO L158 Benchmark]: TraceAbstraction took 869385.82ms. Allocated memory was 448.8MB in the beginning and 6.2GB in the end (delta: 5.8GB). Free memory was 372.0MB in the beginning and 2.6GB in the end (delta: -2.2GB). Peak memory consumption was 3.5GB. Max. memory is 16.0GB. [2023-11-30 02:46:45,176 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 350.2MB. Free memory was 306.7MB in the beginning and 306.4MB in the end (delta: 237.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 411.74ms. Allocated memory is still 350.2MB. Free memory was 299.8MB in the beginning and 266.7MB in the end (delta: 33.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 41.45ms. Allocated memory is still 350.2MB. Free memory was 266.7MB in the beginning and 262.2MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 76.81ms. Allocated memory was 350.2MB in the beginning and 448.8MB in the end (delta: 98.6MB). Free memory was 262.2MB in the beginning and 419.2MB in the end (delta: -157.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * RCFGBuilder took 718.82ms. Allocated memory is still 448.8MB. Free memory was 419.2MB in the beginning and 373.1MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.0GB. * TraceAbstraction took 869385.82ms. Allocated memory was 448.8MB in the beginning and 6.2GB in the end (delta: 5.8GB). Free memory was 372.0MB in the beginning and 2.6GB in the end (delta: -2.2GB). Peak memory consumption was 3.5GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1072]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (16states, 376/421 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 97217 conditions, 14183 events (5/14182 cut-off events. For 61895/61895 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 5 event pairs, 0 based on Foata normal form. 0/14178 useless extension candidates. Maximal degree in co-relation 97195. Up to 6823 conditions per place.). - TimeoutResultAtElement [Line: 1019]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (16states, 376/421 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 97217 conditions, 14183 events (5/14182 cut-off events. For 61895/61895 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 5 event pairs, 0 based on Foata normal form. 0/14178 useless extension candidates. Maximal degree in co-relation 97195. Up to 6823 conditions per place.). - TimeoutResultAtElement [Line: 1020]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (16states, 376/421 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 97217 conditions, 14183 events (5/14182 cut-off events. For 61895/61895 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 5 event pairs, 0 based on Foata normal form. 0/14178 useless extension candidates. Maximal degree in co-relation 97195. Up to 6823 conditions per place.). - TimeoutResultAtElement [Line: 1039]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (16states, 376/421 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 97217 conditions, 14183 events (5/14182 cut-off events. For 61895/61895 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 5 event pairs, 0 based on Foata normal form. 0/14178 useless extension candidates. Maximal degree in co-relation 97195. Up to 6823 conditions per place.). - TimeoutResultAtElement [Line: 1024]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (16states, 376/421 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 97217 conditions, 14183 events (5/14182 cut-off events. For 61895/61895 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 5 event pairs, 0 based on Foata normal form. 0/14178 useless extension candidates. Maximal degree in co-relation 97195. Up to 6823 conditions per place.). - TimeoutResultAtElement [Line: 1019]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (16states, 376/421 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 97217 conditions, 14183 events (5/14182 cut-off events. For 61895/61895 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 5 event pairs, 0 based on Foata normal form. 0/14178 useless extension candidates. Maximal degree in co-relation 97195. Up to 6823 conditions per place.). - TimeoutResultAtElement [Line: 1039]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (16states, 376/421 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 97217 conditions, 14183 events (5/14182 cut-off events. For 61895/61895 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 5 event pairs, 0 based on Foata normal form. 0/14178 useless extension candidates. Maximal degree in co-relation 97195. Up to 6823 conditions per place.). - TimeoutResultAtElement [Line: 1020]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (16states, 376/421 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 97217 conditions, 14183 events (5/14182 cut-off events. For 61895/61895 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 5 event pairs, 0 based on Foata normal form. 0/14178 useless extension candidates. Maximal degree in co-relation 97195. Up to 6823 conditions per place.). - TimeoutResultAtElement [Line: 1071]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (16states, 376/421 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 97217 conditions, 14183 events (5/14182 cut-off events. For 61895/61895 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 5 event pairs, 0 based on Foata normal form. 0/14178 useless extension candidates. Maximal degree in co-relation 97195. Up to 6823 conditions per place.). - TimeoutResultAtElement [Line: 1071]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (16states, 376/421 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 97217 conditions, 14183 events (5/14182 cut-off events. For 61895/61895 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 5 event pairs, 0 based on Foata normal form. 0/14178 useless extension candidates. Maximal degree in co-relation 97195. Up to 6823 conditions per place.). - TimeoutResultAtElement [Line: 1029]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (16states, 376/421 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 97217 conditions, 14183 events (5/14182 cut-off events. For 61895/61895 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 5 event pairs, 0 based on Foata normal form. 0/14178 useless extension candidates. Maximal degree in co-relation 97195. Up to 6823 conditions per place.). - TimeoutResultAtElement [Line: 1030]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (16states, 376/421 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 97217 conditions, 14183 events (5/14182 cut-off events. For 61895/61895 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 5 event pairs, 0 based on Foata normal form. 0/14178 useless extension candidates. Maximal degree in co-relation 97195. Up to 6823 conditions per place.). - TimeoutResultAtElement [Line: 1073]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (16states, 376/421 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 97217 conditions, 14183 events (5/14182 cut-off events. For 61895/61895 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 5 event pairs, 0 based on Foata normal form. 0/14178 useless extension candidates. Maximal degree in co-relation 97195. Up to 6823 conditions per place.). - TimeoutResultAtElement [Line: 1031]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (16states, 376/421 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 97217 conditions, 14183 events (5/14182 cut-off events. For 61895/61895 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 5 event pairs, 0 based on Foata normal form. 0/14178 useless extension candidates. Maximal degree in co-relation 97195. Up to 6823 conditions per place.). - TimeoutResultAtElement [Line: 1032]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (16states, 376/421 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 97217 conditions, 14183 events (5/14182 cut-off events. For 61895/61895 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 5 event pairs, 0 based on Foata normal form. 0/14178 useless extension candidates. Maximal degree in co-relation 97195. Up to 6823 conditions per place.). - TimeoutResultAtElement [Line: 1033]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (16states, 376/421 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 97217 conditions, 14183 events (5/14182 cut-off events. For 61895/61895 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 5 event pairs, 0 based on Foata normal form. 0/14178 useless extension candidates. Maximal degree in co-relation 97195. Up to 6823 conditions per place.). - TimeoutResultAtElement [Line: 1050]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (16states, 376/421 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 97217 conditions, 14183 events (5/14182 cut-off events. For 61895/61895 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 5 event pairs, 0 based on Foata normal form. 0/14178 useless extension candidates. Maximal degree in co-relation 97195. Up to 6823 conditions per place.). - TimeoutResultAtElement [Line: 1054]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (16states, 376/421 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 97217 conditions, 14183 events (5/14182 cut-off events. For 61895/61895 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 5 event pairs, 0 based on Foata normal form. 0/14178 useless extension candidates. Maximal degree in co-relation 97195. Up to 6823 conditions per place.). - TimeoutResultAtElement [Line: 1053]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (16states, 376/421 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 97217 conditions, 14183 events (5/14182 cut-off events. For 61895/61895 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 5 event pairs, 0 based on Foata normal form. 0/14178 useless extension candidates. Maximal degree in co-relation 97195. Up to 6823 conditions per place.). - TimeoutResultAtElement [Line: 1053]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (16states, 376/421 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 97217 conditions, 14183 events (5/14182 cut-off events. For 61895/61895 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 5 event pairs, 0 based on Foata normal form. 0/14178 useless extension candidates. Maximal degree in co-relation 97195. Up to 6823 conditions per place.). - TimeoutResultAtElement [Line: 1053]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (16states, 376/421 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 97217 conditions, 14183 events (5/14182 cut-off events. For 61895/61895 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 5 event pairs, 0 based on Foata normal form. 0/14178 useless extension candidates. Maximal degree in co-relation 97195. Up to 6823 conditions per place.). - TimeoutResultAtElement [Line: 1053]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (16states, 376/421 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 97217 conditions, 14183 events (5/14182 cut-off events. For 61895/61895 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 5 event pairs, 0 based on Foata normal form. 0/14178 useless extension candidates. Maximal degree in co-relation 97195. Up to 6823 conditions per place.). - TimeoutResultAtElement [Line: 1053]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (16states, 376/421 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 97217 conditions, 14183 events (5/14182 cut-off events. For 61895/61895 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 5 event pairs, 0 based on Foata normal form. 0/14178 useless extension candidates. Maximal degree in co-relation 97195. Up to 6823 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 523 locations, 30 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: 869.3s, OverallIterations: 20, TraceHistogramMax: 90, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 163.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 455 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 455 mSDsluCounter, 1799 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 341 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4265 IncrementalHoareTripleChecker+Invalid, 4290 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 1458 mSDtfsCounter, 4265 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33012 GetRequests, 32714 SyntacticMatches, 3 SemanticMatches, 295 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3964 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7327occurred in iteration=19, InterpolantAutomatonStates: 252, 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: 3.2s SsaConstructionTime, 667.3s SatisfiabilityAnalysisTime, 21.9s InterpolantComputationTime, 19004 NumberOfCodeBlocks, 8725 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 33066 ConstructedInterpolants, 0 QuantifiedInterpolants, 87668 SizeOfPredicates, 61 NumberOfNonLiveVariables, 32952 ConjunctsInSsa, 203 ConjunctsInUnsatCore, 26 InterpolantComputations, 14 PerfectInterpolantSequences, 338297/853769 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown