/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.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows 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 [2023-11-30 08:00:38,109 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 08:00:38,182 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 08:00:38,206 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 08:00:38,207 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 08:00:38,208 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 08:00:38,208 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 08:00:38,208 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 08:00:38,209 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 08:00:38,211 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 08:00:38,212 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 08:00:38,212 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 08:00:38,212 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 08:00:38,213 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 08:00:38,213 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 08:00:38,213 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 08:00:38,213 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 08:00:38,213 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 08:00:38,214 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 08:00:38,214 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 08:00:38,214 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 08:00:38,214 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 08:00:38,215 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 08:00:38,215 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 08:00:38,215 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 08:00:38,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 08:00:38,216 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 08:00:38,216 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 08:00:38,216 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 08:00:38,216 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 08:00:38,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 08:00:38,217 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 08:00:38,217 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 08:00:38,217 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-11-30 08:00:38,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 08:00:38,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 08:00:38,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 08:00:38,424 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 08:00:38,427 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 08:00:38,428 INFO L431 ainManager$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 [2023-11-30 08:00:39,524 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 08:00:39,764 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 08:00:39,764 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i [2023-11-30 08:00:39,778 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9aea07da3/b604b0a171994c8bb0634575a54a65af/FLAGa852b2a7e [2023-11-30 08:00:39,787 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9aea07da3/b604b0a171994c8bb0634575a54a65af [2023-11-30 08:00:39,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 08:00:39,790 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 08:00:39,791 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 08:00:39,791 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 08:00:39,794 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 08:00:39,794 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 08:00:39" (1/1) ... [2023-11-30 08:00:39,795 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c8cdbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:00:39, skipping insertion in model container [2023-11-30 08:00:39,795 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 08:00:39" (1/1) ... [2023-11-30 08:00:39,823 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 08:00:40,044 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 08:00:40,055 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 08:00:40,091 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 08:00:40,121 INFO L206 MainTranslator]: Completed translation [2023-11-30 08:00:40,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:00:40 WrapperNode [2023-11-30 08:00:40,122 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 08:00:40,123 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 08:00:40,123 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 08:00:40,123 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 08:00:40,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:00:40" (1/1) ... [2023-11-30 08:00:40,150 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:00:40" (1/1) ... [2023-11-30 08:00:40,171 INFO L138 Inliner]: procedures = 171, calls = 45, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2023-11-30 08:00:40,172 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 08:00:40,173 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 08:00:40,173 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 08:00:40,173 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 08:00:40,178 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:00:40" (1/1) ... [2023-11-30 08:00:40,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:00:40" (1/1) ... [2023-11-30 08:00:40,193 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:00:40" (1/1) ... [2023-11-30 08:00:40,194 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:00:40" (1/1) ... [2023-11-30 08:00:40,197 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:00:40" (1/1) ... [2023-11-30 08:00:40,200 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:00:40" (1/1) ... [2023-11-30 08:00:40,201 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:00:40" (1/1) ... [2023-11-30 08:00:40,211 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:00:40" (1/1) ... [2023-11-30 08:00:40,213 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 08:00:40,214 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 08:00:40,214 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 08:00:40,214 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 08:00:40,214 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:00:40" (1/1) ... [2023-11-30 08:00:40,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 08:00:40,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 08:00:40,241 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 08:00:40,258 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 08:00:40,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 08:00:40,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 08:00:40,278 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-30 08:00:40,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 08:00:40,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 08:00:40,279 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-30 08:00:40,279 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-30 08:00:40,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 08:00:40,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 08:00:40,279 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-30 08:00:40,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 08:00:40,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 08:00:40,281 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 08:00:40,375 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 08:00:40,376 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 08:00:40,541 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 08:00:40,563 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 08:00:40,563 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-30 08:00:40,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 08:00:40 BoogieIcfgContainer [2023-11-30 08:00:40,564 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 08:00:40,566 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 08:00:40,566 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 08:00:40,568 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 08:00:40,568 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 08:00:39" (1/3) ... [2023-11-30 08:00:40,569 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@464636f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 08:00:40, skipping insertion in model container [2023-11-30 08:00:40,569 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:00:40" (2/3) ... [2023-11-30 08:00:40,569 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@464636f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 08:00:40, skipping insertion in model container [2023-11-30 08:00:40,569 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 08:00:40" (3/3) ... [2023-11-30 08:00:40,570 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_46-escape_racefree.i [2023-11-30 08:00:40,582 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 08:00:40,582 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-30 08:00:40,582 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 08:00:40,619 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-30 08:00:40,645 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 118 places, 124 transitions, 255 flow [2023-11-30 08:00:40,679 INFO L124 PetriNetUnfolderBase]: 10/123 cut-off events. [2023-11-30 08:00:40,679 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-30 08:00:40,683 INFO L83 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 123 events. 10/123 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 234 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 74. Up to 3 conditions per place. [2023-11-30 08:00:40,683 INFO L82 GeneralOperation]: Start removeDead. Operand has 118 places, 124 transitions, 255 flow [2023-11-30 08:00:40,686 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 107 places, 113 transitions, 229 flow [2023-11-30 08:00:40,693 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 08:00:40,707 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;@1e158795, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 08:00:40,707 INFO L363 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2023-11-30 08:00:40,724 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 08:00:40,724 INFO L124 PetriNetUnfolderBase]: 2/75 cut-off events. [2023-11-30 08:00:40,724 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 08:00:40,724 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:00:40,725 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] [2023-11-30 08:00:40,725 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2023-11-30 08:00:40,729 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:00:40,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1444464856, now seen corresponding path program 1 times [2023-11-30 08:00:40,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:00:40,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891924471] [2023-11-30 08:00:40,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:00:40,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:00:40,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:00:41,339 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 08:00:41,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:00:41,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891924471] [2023-11-30 08:00:41,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891924471] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:00:41,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:00:41,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-30 08:00:41,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955340744] [2023-11-30 08:00:41,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:00:41,348 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 08:00:41,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:00:41,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 08:00:41,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-30 08:00:41,371 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 124 [2023-11-30 08:00:41,374 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 113 transitions, 229 flow. Second operand has 11 states, 11 states have (on average 61.72727272727273) internal successors, (679), 11 states have internal predecessors, (679), 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 08:00:41,374 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:00:41,374 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 124 [2023-11-30 08:00:41,375 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:00:41,827 INFO L124 PetriNetUnfolderBase]: 102/431 cut-off events. [2023-11-30 08:00:41,827 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 08:00:41,831 INFO L83 FinitePrefix]: Finished finitePrefix Result has 686 conditions, 431 events. 102/431 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2045 event pairs, 0 based on Foata normal form. 78/490 useless extension candidates. Maximal degree in co-relation 619. Up to 92 conditions per place. [2023-11-30 08:00:41,835 INFO L140 encePairwiseOnDemand]: 101/124 looper letters, 74 selfloop transitions, 11 changer transitions 11/140 dead transitions. [2023-11-30 08:00:41,835 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 140 transitions, 459 flow [2023-11-30 08:00:41,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-30 08:00:41,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-30 08:00:41,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 836 transitions. [2023-11-30 08:00:41,855 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5618279569892473 [2023-11-30 08:00:41,856 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 836 transitions. [2023-11-30 08:00:41,857 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 836 transitions. [2023-11-30 08:00:41,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:00:41,863 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 836 transitions. [2023-11-30 08:00:41,868 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 69.66666666666667) internal successors, (836), 12 states have internal predecessors, (836), 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 08:00:41,874 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 124.0) internal successors, (1612), 13 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 08:00:41,874 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 124.0) internal successors, (1612), 13 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 08:00:41,879 INFO L307 CegarLoopForPetriNet]: 107 programPoint places, 6 predicate places. [2023-11-30 08:00:41,879 INFO L500 AbstractCegarLoop]: Abstraction has has 113 places, 140 transitions, 459 flow [2023-11-30 08:00:41,880 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 61.72727272727273) internal successors, (679), 11 states have internal predecessors, (679), 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 08:00:41,880 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:00:41,880 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 08:00:41,880 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 08:00:41,880 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2023-11-30 08:00:41,882 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:00:41,882 INFO L85 PathProgramCache]: Analyzing trace with hash -458474551, now seen corresponding path program 1 times [2023-11-30 08:00:41,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:00:41,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620866305] [2023-11-30 08:00:41,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:00:41,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:00:41,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:00:42,172 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 08:00:42,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:00:42,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620866305] [2023-11-30 08:00:42,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620866305] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:00:42,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:00:42,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-30 08:00:42,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168041250] [2023-11-30 08:00:42,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:00:42,174 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-30 08:00:42,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:00:42,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-30 08:00:42,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2023-11-30 08:00:42,176 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 124 [2023-11-30 08:00:42,177 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 140 transitions, 459 flow. Second operand has 14 states, 14 states have (on average 54.785714285714285) internal successors, (767), 14 states have internal predecessors, (767), 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 08:00:42,177 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:00:42,177 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 124 [2023-11-30 08:00:42,177 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:00:42,616 INFO L124 PetriNetUnfolderBase]: 138/485 cut-off events. [2023-11-30 08:00:42,616 INFO L125 PetriNetUnfolderBase]: For 100/154 co-relation queries the response was YES. [2023-11-30 08:00:42,617 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1105 conditions, 485 events. 138/485 cut-off events. For 100/154 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2386 event pairs, 12 based on Foata normal form. 32/503 useless extension candidates. Maximal degree in co-relation 1014. Up to 128 conditions per place. [2023-11-30 08:00:42,618 INFO L140 encePairwiseOnDemand]: 107/124 looper letters, 87 selfloop transitions, 13 changer transitions 30/169 dead transitions. [2023-11-30 08:00:42,618 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 169 transitions, 825 flow [2023-11-30 08:00:42,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-30 08:00:42,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-11-30 08:00:42,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1009 transitions. [2023-11-30 08:00:42,621 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.4786527514231499 [2023-11-30 08:00:42,621 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 1009 transitions. [2023-11-30 08:00:42,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 1009 transitions. [2023-11-30 08:00:42,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:00:42,622 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 1009 transitions. [2023-11-30 08:00:42,624 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 59.35294117647059) internal successors, (1009), 17 states have internal predecessors, (1009), 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 08:00:42,626 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 124.0) internal successors, (2232), 18 states have internal predecessors, (2232), 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 08:00:42,627 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 124.0) internal successors, (2232), 18 states have internal predecessors, (2232), 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 08:00:42,627 INFO L307 CegarLoopForPetriNet]: 107 programPoint places, 21 predicate places. [2023-11-30 08:00:42,628 INFO L500 AbstractCegarLoop]: Abstraction has has 128 places, 169 transitions, 825 flow [2023-11-30 08:00:42,628 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 54.785714285714285) internal successors, (767), 14 states have internal predecessors, (767), 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 08:00:42,628 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:00:42,628 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] [2023-11-30 08:00:42,629 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 08:00:42,629 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2023-11-30 08:00:42,629 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:00:42,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1327808808, now seen corresponding path program 1 times [2023-11-30 08:00:42,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:00:42,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776099722] [2023-11-30 08:00:42,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:00:42,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:00:42,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:00:42,710 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 08:00:42,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:00:42,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776099722] [2023-11-30 08:00:42,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776099722] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:00:42,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:00:42,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 08:00:42,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349702850] [2023-11-30 08:00:42,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:00:42,712 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 08:00:42,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:00:42,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 08:00:42,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-30 08:00:42,713 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 124 [2023-11-30 08:00:42,713 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 169 transitions, 825 flow. Second operand has 6 states, 6 states have (on average 72.0) internal successors, (432), 6 states have internal predecessors, (432), 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 08:00:42,714 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:00:42,714 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 124 [2023-11-30 08:00:42,714 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:00:42,870 INFO L124 PetriNetUnfolderBase]: 132/474 cut-off events. [2023-11-30 08:00:42,871 INFO L125 PetriNetUnfolderBase]: For 221/267 co-relation queries the response was YES. [2023-11-30 08:00:42,872 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1369 conditions, 474 events. 132/474 cut-off events. For 221/267 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2267 event pairs, 12 based on Foata normal form. 9/477 useless extension candidates. Maximal degree in co-relation 1262. Up to 122 conditions per place. [2023-11-30 08:00:42,873 INFO L140 encePairwiseOnDemand]: 116/124 looper letters, 0 selfloop transitions, 0 changer transitions 174/174 dead transitions. [2023-11-30 08:00:42,875 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 174 transitions, 1095 flow [2023-11-30 08:00:42,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-30 08:00:42,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-30 08:00:42,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 614 transitions. [2023-11-30 08:00:42,877 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6189516129032258 [2023-11-30 08:00:42,878 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 614 transitions. [2023-11-30 08:00:42,878 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 614 transitions. [2023-11-30 08:00:42,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:00:42,878 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 614 transitions. [2023-11-30 08:00:42,879 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 76.75) internal successors, (614), 8 states have internal predecessors, (614), 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 08:00:42,881 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 124.0) internal successors, (1116), 9 states have internal predecessors, (1116), 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 08:00:42,881 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 124.0) internal successors, (1116), 9 states have internal predecessors, (1116), 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 08:00:42,882 INFO L307 CegarLoopForPetriNet]: 107 programPoint places, 27 predicate places. [2023-11-30 08:00:42,882 INFO L500 AbstractCegarLoop]: Abstraction has has 134 places, 174 transitions, 1095 flow [2023-11-30 08:00:42,882 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 72.0) internal successors, (432), 6 states have internal predecessors, (432), 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 08:00:42,889 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/28-race_reach_46-escape_racefree.i_BEv2_AllErrorsAtOnce [2023-11-30 08:00:42,928 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 9 remaining) [2023-11-30 08:00:42,928 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 9 remaining) [2023-11-30 08:00:42,928 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 9 remaining) [2023-11-30 08:00:42,929 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 9 remaining) [2023-11-30 08:00:42,929 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 9 remaining) [2023-11-30 08:00:42,929 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 9 remaining) [2023-11-30 08:00:42,929 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 9 remaining) [2023-11-30 08:00:42,929 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 9 remaining) [2023-11-30 08:00:42,929 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 9 remaining) [2023-11-30 08:00:42,929 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 08:00:42,930 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-30 08:00:42,933 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 08:00:42,933 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 08:00:42,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 08:00:42 BasicIcfg [2023-11-30 08:00:42,938 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 08:00:42,938 INFO L158 Benchmark]: Toolchain (without parser) took 3148.38ms. Allocated memory is still 608.2MB. Free memory was 549.4MB in the beginning and 396.6MB in the end (delta: 152.9MB). Peak memory consumption was 153.8MB. Max. memory is 16.0GB. [2023-11-30 08:00:42,938 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 356.5MB. Free memory is still 302.8MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 08:00:42,939 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.36ms. Allocated memory is still 608.2MB. Free memory was 549.3MB in the beginning and 529.2MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. [2023-11-30 08:00:42,939 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.28ms. Allocated memory is still 608.2MB. Free memory was 529.2MB in the beginning and 527.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 08:00:42,939 INFO L158 Benchmark]: Boogie Preprocessor took 40.50ms. Allocated memory is still 608.2MB. Free memory was 527.1MB in the beginning and 525.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 08:00:42,940 INFO L158 Benchmark]: RCFGBuilder took 350.72ms. Allocated memory is still 608.2MB. Free memory was 525.0MB in the beginning and 506.7MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-11-30 08:00:42,940 INFO L158 Benchmark]: TraceAbstraction took 2371.93ms. Allocated memory is still 608.2MB. Free memory was 506.1MB in the beginning and 396.6MB in the end (delta: 109.6MB). Peak memory consumption was 109.7MB. Max. memory is 16.0GB. [2023-11-30 08:00:42,941 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 356.5MB. Free memory is still 302.8MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 331.36ms. Allocated memory is still 608.2MB. Free memory was 549.3MB in the beginning and 529.2MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 49.28ms. Allocated memory is still 608.2MB. Free memory was 529.2MB in the beginning and 527.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 40.50ms. Allocated memory is still 608.2MB. Free memory was 527.1MB in the beginning and 525.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 350.72ms. Allocated memory is still 608.2MB. Free memory was 525.0MB in the beginning and 506.7MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * TraceAbstraction took 2371.93ms. Allocated memory is still 608.2MB. Free memory was 506.1MB in the beginning and 396.6MB in the end (delta: 109.6MB). Peak memory consumption was 109.7MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 702]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 702]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 702]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 702]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 155 locations, 9 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: 2.3s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 558 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 558 mSDsluCounter, 418 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 346 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 985 IncrementalHoareTripleChecker+Invalid, 991 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 72 mSDtfsCounter, 985 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1095occurred in iteration=3, InterpolantAutomatonStates: 37, 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, 0.0s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 172 NumberOfCodeBlocks, 172 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 169 ConstructedInterpolants, 0 QuantifiedInterpolants, 477 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 08:00:42,957 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...