/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 -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-29 19:59:33,550 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 19:59:33,616 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 [2023-11-29 19:59:33,639 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 19:59:33,640 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 19:59:33,640 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 19:59:33,641 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 19:59:33,641 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 19:59:33,641 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 19:59:33,644 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 19:59:33,644 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 19:59:33,645 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 19:59:33,645 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 19:59:33,646 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 19:59:33,646 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 19:59:33,646 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 19:59:33,646 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 19:59:33,646 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 19:59:33,646 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 19:59:33,647 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 19:59:33,647 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 19:59:33,647 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 19:59:33,647 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 19:59:33,648 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-29 19:59:33,648 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 19:59:33,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-29 19:59:33,648 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 19:59:33,649 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 19:59:33,649 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 19:59:33,649 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 19:59:33,650 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 19:59:33,650 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 19:59:33,650 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 19:59:33,650 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true [2023-11-29 19:59:33,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 19:59:33,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 19:59:33,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 19:59:33,856 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 19:59:33,856 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 19:59:33,857 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i [2023-11-29 19:59:34,788 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 19:59:34,968 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 19:59:34,968 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i [2023-11-29 19:59:34,977 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4b9dedce/4e8162f8e38745bcba60bd2caa65313d/FLAG172cf8416 [2023-11-29 19:59:34,992 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4b9dedce/4e8162f8e38745bcba60bd2caa65313d [2023-11-29 19:59:34,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 19:59:34,995 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-29 19:59:34,995 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 19:59:34,996 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 19:59:35,001 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 19:59:35,001 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:59:34" (1/1) ... [2023-11-29 19:59:35,002 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@560792cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:59:35, skipping insertion in model container [2023-11-29 19:59:35,003 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:59:34" (1/1) ... [2023-11-29 19:59:35,046 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 19:59:35,287 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i[30176,30189] [2023-11-29 19:59:35,300 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 19:59:35,312 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 19:59:35,342 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i[30176,30189] [2023-11-29 19:59:35,346 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 19:59:35,378 INFO L206 MainTranslator]: Completed translation [2023-11-29 19:59:35,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:59:35 WrapperNode [2023-11-29 19:59:35,378 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 19:59:35,379 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 19:59:35,379 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 19:59:35,379 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 19:59:35,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:59:35" (1/1) ... [2023-11-29 19:59:35,399 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:59:35" (1/1) ... [2023-11-29 19:59:35,416 INFO L138 Inliner]: procedures = 171, calls = 44, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2023-11-29 19:59:35,416 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 19:59:35,417 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 19:59:35,417 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 19:59:35,417 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 19:59:35,425 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:59:35" (1/1) ... [2023-11-29 19:59:35,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:59:35" (1/1) ... [2023-11-29 19:59:35,429 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:59:35" (1/1) ... [2023-11-29 19:59:35,429 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:59:35" (1/1) ... [2023-11-29 19:59:35,433 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:59:35" (1/1) ... [2023-11-29 19:59:35,435 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:59:35" (1/1) ... [2023-11-29 19:59:35,438 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:59:35" (1/1) ... [2023-11-29 19:59:35,439 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:59:35" (1/1) ... [2023-11-29 19:59:35,440 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 19:59:35,441 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 19:59:35,441 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 19:59:35,441 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 19:59:35,441 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:59:35" (1/1) ... [2023-11-29 19:59:35,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-29 19:59:35,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-29 19:59:35,484 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) [2023-11-29 19:59:35,494 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 [2023-11-29 19:59:35,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 19:59:35,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 19:59:35,504 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-29 19:59:35,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 19:59:35,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 19:59:35,504 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-29 19:59:35,505 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-29 19:59:35,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 19:59:35,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 19:59:35,505 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-29 19:59:35,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 19:59:35,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 19:59:35,506 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 19:59:35,629 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 19:59:35,630 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 19:59:35,771 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 19:59:35,797 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 19:59:35,798 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-29 19:59:35,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:59:35 BoogieIcfgContainer [2023-11-29 19:59:35,799 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 19:59:35,801 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 19:59:35,801 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 19:59:35,803 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 19:59:35,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:59:34" (1/3) ... [2023-11-29 19:59:35,804 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@469c6927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:59:35, skipping insertion in model container [2023-11-29 19:59:35,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:59:35" (2/3) ... [2023-11-29 19:59:35,804 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@469c6927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:59:35, skipping insertion in model container [2023-11-29 19:59:35,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:59:35" (3/3) ... [2023-11-29 19:59:35,805 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_46-escape_racefree.i [2023-11-29 19:59:35,817 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 19:59:35,817 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 19:59:35,817 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 19:59:35,866 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-29 19:59:35,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 107 places, 112 transitions, 231 flow [2023-11-29 19:59:35,916 INFO L124 PetriNetUnfolderBase]: 9/111 cut-off events. [2023-11-29 19:59:35,917 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-29 19:59:35,920 INFO L83 FinitePrefix]: Finished finitePrefix Result has 116 conditions, 111 events. 9/111 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 179 event pairs, 0 based on Foata normal form. 0/101 useless extension candidates. Maximal degree in co-relation 62. Up to 3 conditions per place. [2023-11-29 19:59:35,920 INFO L82 GeneralOperation]: Start removeDead. Operand has 107 places, 112 transitions, 231 flow [2023-11-29 19:59:35,922 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 96 places, 101 transitions, 205 flow [2023-11-29 19:59:35,928 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 19:59:35,932 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;@284e5196, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 19:59:35,932 INFO L363 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-29 19:59:35,946 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 19:59:35,946 INFO L124 PetriNetUnfolderBase]: 2/80 cut-off events. [2023-11-29 19:59:35,946 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 19:59:35,946 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-29 19:59:35,947 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] [2023-11-29 19:59:35,948 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-29 19:59:35,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 19:59:35,952 INFO L85 PathProgramCache]: Analyzing trace with hash 188601881, now seen corresponding path program 1 times [2023-11-29 19:59:35,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 19:59:35,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098716848] [2023-11-29 19:59:35,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 19:59:35,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 19:59:36,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 19:59:36,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 19:59:36,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 19:59:36,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098716848] [2023-11-29 19:59:36,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098716848] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 19:59:36,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 19:59:36,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 19:59:36,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059809075] [2023-11-29 19:59:36,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 19:59:36,417 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 19:59:36,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 19:59:36,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 19:59:36,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-29 19:59:36,440 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 112 [2023-11-29 19:59:36,442 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 101 transitions, 205 flow. Second operand has 9 states, 9 states have (on average 52.333333333333336) internal successors, (471), 9 states have internal predecessors, (471), 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) [2023-11-29 19:59:36,443 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 19:59:36,443 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 112 [2023-11-29 19:59:36,443 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 19:59:36,813 INFO L124 PetriNetUnfolderBase]: 178/657 cut-off events. [2023-11-29 19:59:36,813 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 19:59:36,817 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1072 conditions, 657 events. 178/657 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 3604 event pairs, 60 based on Foata normal form. 97/742 useless extension candidates. Maximal degree in co-relation 1005. Up to 190 conditions per place. [2023-11-29 19:59:36,820 INFO L140 encePairwiseOnDemand]: 91/112 looper letters, 38 selfloop transitions, 4 changer transitions 64/147 dead transitions. [2023-11-29 19:59:36,820 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 147 transitions, 503 flow [2023-11-29 19:59:36,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 19:59:36,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-29 19:59:36,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 726 transitions. [2023-11-29 19:59:36,836 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5401785714285714 [2023-11-29 19:59:36,837 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 726 transitions. [2023-11-29 19:59:36,837 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 726 transitions. [2023-11-29 19:59:36,840 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 19:59:36,842 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 726 transitions. [2023-11-29 19:59:36,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 60.5) internal successors, (726), 12 states have internal predecessors, (726), 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) [2023-11-29 19:59:36,851 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 112.0) internal successors, (1456), 13 states have internal predecessors, (1456), 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) [2023-11-29 19:59:36,852 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 112.0) internal successors, (1456), 13 states have internal predecessors, (1456), 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) [2023-11-29 19:59:36,856 INFO L307 CegarLoopForPetriNet]: 96 programPoint places, 10 predicate places. [2023-11-29 19:59:36,856 INFO L500 AbstractCegarLoop]: Abstraction has has 106 places, 147 transitions, 503 flow [2023-11-29 19:59:36,857 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 52.333333333333336) internal successors, (471), 9 states have internal predecessors, (471), 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) [2023-11-29 19:59:36,857 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-29 19:59:36,857 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] [2023-11-29 19:59:36,858 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 19:59:36,858 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-29 19:59:36,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 19:59:36,859 INFO L85 PathProgramCache]: Analyzing trace with hash -452473659, now seen corresponding path program 1 times [2023-11-29 19:59:36,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 19:59:36,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961232259] [2023-11-29 19:59:36,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 19:59:36,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 19:59:36,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 19:59:37,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 19:59:37,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 19:59:37,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961232259] [2023-11-29 19:59:37,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961232259] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 19:59:37,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 19:59:37,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 19:59:37,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825804170] [2023-11-29 19:59:37,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 19:59:37,037 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 19:59:37,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 19:59:37,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 19:59:37,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 19:59:37,039 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 112 [2023-11-29 19:59:37,040 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 147 transitions, 503 flow. Second operand has 5 states, 5 states have (on average 81.4) internal successors, (407), 5 states have internal predecessors, (407), 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) [2023-11-29 19:59:37,040 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 19:59:37,040 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 112 [2023-11-29 19:59:37,040 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 19:59:37,102 INFO L124 PetriNetUnfolderBase]: 11/173 cut-off events. [2023-11-29 19:59:37,103 INFO L125 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES. [2023-11-29 19:59:37,104 INFO L83 FinitePrefix]: Finished finitePrefix Result has 307 conditions, 173 events. 11/173 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 269 event pairs, 3 based on Foata normal form. 20/192 useless extension candidates. Maximal degree in co-relation 226. Up to 41 conditions per place. [2023-11-29 19:59:37,104 INFO L140 encePairwiseOnDemand]: 106/112 looper letters, 16 selfloop transitions, 5 changer transitions 23/104 dead transitions. [2023-11-29 19:59:37,104 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 104 transitions, 385 flow [2023-11-29 19:59:37,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 19:59:37,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-29 19:59:37,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 415 transitions. [2023-11-29 19:59:37,106 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7410714285714286 [2023-11-29 19:59:37,106 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 415 transitions. [2023-11-29 19:59:37,106 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 415 transitions. [2023-11-29 19:59:37,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 19:59:37,106 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 415 transitions. [2023-11-29 19:59:37,107 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 83.0) internal successors, (415), 5 states have internal predecessors, (415), 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) [2023-11-29 19:59:37,108 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 112.0) internal successors, (672), 6 states have internal predecessors, (672), 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) [2023-11-29 19:59:37,108 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 112.0) internal successors, (672), 6 states have internal predecessors, (672), 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) [2023-11-29 19:59:37,109 INFO L307 CegarLoopForPetriNet]: 96 programPoint places, 11 predicate places. [2023-11-29 19:59:37,109 INFO L500 AbstractCegarLoop]: Abstraction has has 107 places, 104 transitions, 385 flow [2023-11-29 19:59:37,109 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 81.4) internal successors, (407), 5 states have internal predecessors, (407), 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) [2023-11-29 19:59:37,109 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-29 19:59:37,109 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] [2023-11-29 19:59:37,110 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 19:59:37,110 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-29 19:59:37,111 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 19:59:37,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1096818635, now seen corresponding path program 1 times [2023-11-29 19:59:37,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 19:59:37,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273553297] [2023-11-29 19:59:37,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 19:59:37,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 19:59:37,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 19:59:37,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 19:59:37,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 19:59:37,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273553297] [2023-11-29 19:59:37,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273553297] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 19:59:37,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 19:59:37,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-11-29 19:59:37,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388190630] [2023-11-29 19:59:37,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 19:59:37,625 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 19:59:37,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 19:59:37,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 19:59:37,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2023-11-29 19:59:37,627 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 112 [2023-11-29 19:59:37,628 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 104 transitions, 385 flow. Second operand has 17 states, 17 states have (on average 43.8235294117647) internal successors, (745), 17 states have internal predecessors, (745), 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) [2023-11-29 19:59:37,628 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 19:59:37,628 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 112 [2023-11-29 19:59:37,628 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 19:59:38,429 INFO L124 PetriNetUnfolderBase]: 43/229 cut-off events. [2023-11-29 19:59:38,429 INFO L125 PetriNetUnfolderBase]: For 101/101 co-relation queries the response was YES. [2023-11-29 19:59:38,432 INFO L83 FinitePrefix]: Finished finitePrefix Result has 569 conditions, 229 events. 43/229 cut-off events. For 101/101 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 494 event pairs, 0 based on Foata normal form. 0/229 useless extension candidates. Maximal degree in co-relation 464. Up to 45 conditions per place. [2023-11-29 19:59:38,433 INFO L140 encePairwiseOnDemand]: 89/112 looper letters, 0 selfloop transitions, 0 changer transitions 143/143 dead transitions. [2023-11-29 19:59:38,433 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 143 transitions, 763 flow [2023-11-29 19:59:38,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-29 19:59:38,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2023-11-29 19:59:38,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 1339 transitions. [2023-11-29 19:59:38,436 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.3985119047619048 [2023-11-29 19:59:38,436 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 1339 transitions. [2023-11-29 19:59:38,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 1339 transitions. [2023-11-29 19:59:38,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 19:59:38,437 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 1339 transitions. [2023-11-29 19:59:38,439 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 44.63333333333333) internal successors, (1339), 30 states have internal predecessors, (1339), 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) [2023-11-29 19:59:38,443 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 112.0) internal successors, (3472), 31 states have internal predecessors, (3472), 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) [2023-11-29 19:59:38,444 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 112.0) internal successors, (3472), 31 states have internal predecessors, (3472), 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) [2023-11-29 19:59:38,445 INFO L307 CegarLoopForPetriNet]: 96 programPoint places, 38 predicate places. [2023-11-29 19:59:38,445 INFO L500 AbstractCegarLoop]: Abstraction has has 134 places, 143 transitions, 763 flow [2023-11-29 19:59:38,446 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 43.8235294117647) internal successors, (745), 17 states have internal predecessors, (745), 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) [2023-11-29 19:59:38,451 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/28-race_reach_46-escape_racefree.i_BEv2_AllErrorsAtOnce [2023-11-29 19:59:38,488 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-11-29 19:59:38,491 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2023-11-29 19:59:38,491 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 19:59:38,491 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-29 19:59:38,494 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 19:59:38,494 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 19:59:38,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:59:38 BasicIcfg [2023-11-29 19:59:38,500 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 19:59:38,500 INFO L158 Benchmark]: Toolchain (without parser) took 3505.27ms. Allocated memory was 364.9MB in the beginning and 589.3MB in the end (delta: 224.4MB). Free memory was 317.2MB in the beginning and 455.2MB in the end (delta: -137.9MB). Peak memory consumption was 85.8MB. Max. memory is 16.0GB. [2023-11-29 19:59:38,502 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 364.9MB. Free memory is still 309.4MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-29 19:59:38,502 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.24ms. Allocated memory is still 364.9MB. Free memory was 316.8MB in the beginning and 296.7MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-11-29 19:59:38,503 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.12ms. Allocated memory is still 364.9MB. Free memory was 296.7MB in the beginning and 294.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-29 19:59:38,504 INFO L158 Benchmark]: Boogie Preprocessor took 23.62ms. Allocated memory is still 364.9MB. Free memory was 294.6MB in the beginning and 292.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-29 19:59:38,504 INFO L158 Benchmark]: RCFGBuilder took 358.07ms. Allocated memory is still 364.9MB. Free memory was 292.9MB in the beginning and 275.3MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-11-29 19:59:38,504 INFO L158 Benchmark]: TraceAbstraction took 2698.85ms. Allocated memory was 364.9MB in the beginning and 589.3MB in the end (delta: 224.4MB). Free memory was 274.5MB in the beginning and 455.2MB in the end (delta: -180.7MB). Peak memory consumption was 43.9MB. Max. memory is 16.0GB. [2023-11-29 19:59:38,508 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 364.9MB. Free memory is still 309.4MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 383.24ms. Allocated memory is still 364.9MB. Free memory was 316.8MB in the beginning and 296.7MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 37.12ms. Allocated memory is still 364.9MB. Free memory was 296.7MB in the beginning and 294.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 23.62ms. Allocated memory is still 364.9MB. Free memory was 294.6MB in the beginning and 292.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 358.07ms. Allocated memory is still 364.9MB. Free memory was 292.9MB in the beginning and 275.3MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * TraceAbstraction took 2698.85ms. Allocated memory was 364.9MB in the beginning and 589.3MB in the end (delta: 224.4MB). Free memory was 274.5MB in the beginning and 455.2MB in the end (delta: -180.7MB). Peak memory consumption was 43.9MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 691]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 136 locations, 2 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: 2.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 463 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 463 mSDsluCounter, 492 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 423 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 852 IncrementalHoareTripleChecker+Invalid, 866 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 69 mSDtfsCounter, 852 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 71 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 343 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=763occurred in iteration=3, InterpolantAutomatonStates: 47, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 190 NumberOfCodeBlocks, 190 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 187 ConstructedInterpolants, 0 QuantifiedInterpolants, 851 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 19:59:38,526 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...