/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_45-escape_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 08:00:30,808 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 08:00:30,895 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 08:00:30,925 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 08:00:30,925 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 08:00:30,926 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 08:00:30,926 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 08:00:30,927 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 08:00:30,927 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 08:00:30,930 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 08:00:30,931 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 08:00:30,931 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 08:00:30,931 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 08:00:30,932 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 08:00:30,933 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 08:00:30,933 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 08:00:30,933 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 08:00:30,933 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 08:00:30,933 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 08:00:30,934 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 08:00:30,934 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 08:00:30,934 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 08:00:30,935 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 08:00:30,935 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 08:00:30,935 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 08:00:30,936 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 08:00:30,936 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 08:00:30,936 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 08:00:30,937 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 08:00:30,937 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 08:00:30,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 08:00:30,938 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 08:00:30,938 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 08:00:30,938 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-11-30 08:00:31,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 08:00:31,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 08:00:31,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 08:00:31,186 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 08:00:31,186 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 08:00:31,187 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i [2023-11-30 08:00:32,284 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 08:00:32,576 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 08:00:32,577 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i [2023-11-30 08:00:32,587 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fc22da01/f000400dc559446288b8829fa997e773/FLAG46fa71579 [2023-11-30 08:00:32,600 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fc22da01/f000400dc559446288b8829fa997e773 [2023-11-30 08:00:32,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 08:00:32,603 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 08:00:32,605 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 08:00:32,605 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 08:00:32,608 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 08:00:32,609 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 08:00:32" (1/1) ... [2023-11-30 08:00:32,610 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e98b73b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:00:32, skipping insertion in model container [2023-11-30 08:00:32,610 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 08:00:32" (1/1) ... [2023-11-30 08:00:32,654 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 08:00:32,884 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 08:00:32,895 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 08:00:32,927 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 08:00:32,978 INFO L206 MainTranslator]: Completed translation [2023-11-30 08:00:32,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:00:32 WrapperNode [2023-11-30 08:00:32,979 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 08:00:32,980 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 08:00:32,980 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 08:00:32,980 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 08:00:32,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:00:32" (1/1) ... [2023-11-30 08:00:32,996 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:00:32" (1/1) ... [2023-11-30 08:00:33,013 INFO L138 Inliner]: procedures = 171, calls = 51, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 78 [2023-11-30 08:00:33,013 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 08:00:33,014 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 08:00:33,014 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 08:00:33,014 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 08:00:33,021 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:00:32" (1/1) ... [2023-11-30 08:00:33,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:00:32" (1/1) ... [2023-11-30 08:00:33,023 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:00:32" (1/1) ... [2023-11-30 08:00:33,023 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:00:32" (1/1) ... [2023-11-30 08:00:33,027 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:00:32" (1/1) ... [2023-11-30 08:00:33,030 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:00:32" (1/1) ... [2023-11-30 08:00:33,031 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:00:32" (1/1) ... [2023-11-30 08:00:33,032 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:00:32" (1/1) ... [2023-11-30 08:00:33,035 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 08:00:33,035 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 08:00:33,035 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 08:00:33,036 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 08:00:33,036 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:00:32" (1/1) ... [2023-11-30 08:00:33,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 08:00:33,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 08:00:33,067 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 08:00:33,069 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 08:00:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 08:00:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 08:00:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-30 08:00:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 08:00:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 08:00:33,093 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-30 08:00:33,093 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-30 08:00:33,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 08:00:33,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 08:00:33,093 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-30 08:00:33,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 08:00:33,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 08:00:33,094 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 08:00:33,218 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 08:00:33,219 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 08:00:33,390 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 08:00:33,418 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 08:00:33,418 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-30 08:00:33,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 08:00:33 BoogieIcfgContainer [2023-11-30 08:00:33,420 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 08:00:33,422 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 08:00:33,422 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 08:00:33,425 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 08:00:33,425 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 08:00:32" (1/3) ... [2023-11-30 08:00:33,426 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@907aa6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 08:00:33, skipping insertion in model container [2023-11-30 08:00:33,426 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:00:32" (2/3) ... [2023-11-30 08:00:33,426 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@907aa6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 08:00:33, skipping insertion in model container [2023-11-30 08:00:33,426 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 08:00:33" (3/3) ... [2023-11-30 08:00:33,428 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_45-escape_racing.i [2023-11-30 08:00:33,444 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 08:00:33,444 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-30 08:00:33,445 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 08:00:33,505 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-30 08:00:33,536 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 115 places, 121 transitions, 249 flow [2023-11-30 08:00:33,578 INFO L124 PetriNetUnfolderBase]: 10/120 cut-off events. [2023-11-30 08:00:33,579 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-30 08:00:33,585 INFO L83 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 120 events. 10/120 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. 0/106 useless extension candidates. Maximal degree in co-relation 74. Up to 3 conditions per place. [2023-11-30 08:00:33,585 INFO L82 GeneralOperation]: Start removeDead. Operand has 115 places, 121 transitions, 249 flow [2023-11-30 08:00:33,590 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 104 places, 110 transitions, 223 flow [2023-11-30 08:00:33,599 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 08:00:33,605 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;@5244d406, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 08:00:33,606 INFO L363 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2023-11-30 08:00:33,624 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 08:00:33,624 INFO L124 PetriNetUnfolderBase]: 2/72 cut-off events. [2023-11-30 08:00:33,624 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 08:00:33,625 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:00:33,625 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:00:33,626 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 08:00:33,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:00:33,630 INFO L85 PathProgramCache]: Analyzing trace with hash -40454302, now seen corresponding path program 1 times [2023-11-30 08:00:33,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:00:33,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930790331] [2023-11-30 08:00:33,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:00:33,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:00:33,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:00:34,331 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 08:00:34,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:00:34,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930790331] [2023-11-30 08:00:34,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930790331] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:00:34,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:00:34,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-30 08:00:34,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759285830] [2023-11-30 08:00:34,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:00:34,343 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-30 08:00:34,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:00:34,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-30 08:00:34,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-30 08:00:34,381 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 121 [2023-11-30 08:00:34,410 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 110 transitions, 223 flow. Second operand has 11 states, 11 states have (on average 53.27272727272727) internal successors, (586), 11 states have internal predecessors, (586), 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 08:00:34,410 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:00:34,410 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 121 [2023-11-30 08:00:34,411 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:00:34,905 INFO L124 PetriNetUnfolderBase]: 102/428 cut-off events. [2023-11-30 08:00:34,905 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 08:00:34,909 INFO L83 FinitePrefix]: Finished finitePrefix Result has 689 conditions, 428 events. 102/428 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2032 event pairs, 0 based on Foata normal form. 78/487 useless extension candidates. Maximal degree in co-relation 619. Up to 92 conditions per place. [2023-11-30 08:00:34,915 INFO L140 encePairwiseOnDemand]: 98/121 looper letters, 80 selfloop transitions, 11 changer transitions 11/137 dead transitions. [2023-11-30 08:00:34,915 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 137 transitions, 465 flow [2023-11-30 08:00:34,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-30 08:00:34,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-30 08:00:34,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 734 transitions. [2023-11-30 08:00:34,934 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5055096418732782 [2023-11-30 08:00:34,935 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 734 transitions. [2023-11-30 08:00:34,936 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 734 transitions. [2023-11-30 08:00:34,940 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:00:34,942 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 734 transitions. [2023-11-30 08:00:34,947 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 61.166666666666664) internal successors, (734), 12 states have internal predecessors, (734), 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 08:00:34,957 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 121.0) internal successors, (1573), 13 states have internal predecessors, (1573), 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 08:00:34,958 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 121.0) internal successors, (1573), 13 states have internal predecessors, (1573), 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 08:00:34,962 INFO L307 CegarLoopForPetriNet]: 104 programPoint places, 6 predicate places. [2023-11-30 08:00:34,962 INFO L500 AbstractCegarLoop]: Abstraction has has 110 places, 137 transitions, 465 flow [2023-11-30 08:00:34,963 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 53.27272727272727) internal successors, (586), 11 states have internal predecessors, (586), 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 08:00:34,963 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:00:34,963 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] [2023-11-30 08:00:34,964 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 08:00:34,964 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 08:00:34,966 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:00:34,966 INFO L85 PathProgramCache]: Analyzing trace with hash 87848659, now seen corresponding path program 1 times [2023-11-30 08:00:34,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:00:34,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808026732] [2023-11-30 08:00:34,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:00:34,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:00:35,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:00:35,377 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 08:00:35,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:00:35,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808026732] [2023-11-30 08:00:35,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808026732] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:00:35,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:00:35,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-30 08:00:35,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860546468] [2023-11-30 08:00:35,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:00:35,382 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-30 08:00:35,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:00:35,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-30 08:00:35,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2023-11-30 08:00:35,386 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 121 [2023-11-30 08:00:35,387 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 137 transitions, 465 flow. Second operand has 14 states, 14 states have (on average 46.214285714285715) internal successors, (647), 14 states have internal predecessors, (647), 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 08:00:35,387 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:00:35,387 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 121 [2023-11-30 08:00:35,388 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:00:35,977 INFO L124 PetriNetUnfolderBase]: 138/459 cut-off events. [2023-11-30 08:00:35,977 INFO L125 PetriNetUnfolderBase]: For 103/149 co-relation queries the response was YES. [2023-11-30 08:00:35,979 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1091 conditions, 459 events. 138/459 cut-off events. For 103/149 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2279 event pairs, 4 based on Foata normal form. 22/467 useless extension candidates. Maximal degree in co-relation 991. Up to 128 conditions per place. [2023-11-30 08:00:35,981 INFO L140 encePairwiseOnDemand]: 104/121 looper letters, 93 selfloop transitions, 13 changer transitions 30/166 dead transitions. [2023-11-30 08:00:35,981 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 166 transitions, 843 flow [2023-11-30 08:00:35,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-30 08:00:35,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-11-30 08:00:35,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 862 transitions. [2023-11-30 08:00:35,984 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.4190568789499271 [2023-11-30 08:00:35,984 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 862 transitions. [2023-11-30 08:00:35,984 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 862 transitions. [2023-11-30 08:00:35,985 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:00:35,985 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 862 transitions. [2023-11-30 08:00:35,987 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 50.705882352941174) internal successors, (862), 17 states have internal predecessors, (862), 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 08:00:35,991 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 121.0) internal successors, (2178), 18 states have internal predecessors, (2178), 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 08:00:35,991 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 121.0) internal successors, (2178), 18 states have internal predecessors, (2178), 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 08:00:35,992 INFO L307 CegarLoopForPetriNet]: 104 programPoint places, 21 predicate places. [2023-11-30 08:00:35,992 INFO L500 AbstractCegarLoop]: Abstraction has has 125 places, 166 transitions, 843 flow [2023-11-30 08:00:35,993 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 46.214285714285715) internal successors, (647), 14 states have internal predecessors, (647), 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 08:00:35,993 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:00:35,993 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] [2023-11-30 08:00:35,993 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 08:00:35,993 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 08:00:35,995 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:00:35,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1571658488, now seen corresponding path program 1 times [2023-11-30 08:00:35,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:00:35,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80743609] [2023-11-30 08:00:35,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:00:35,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:00:36,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:00:36,149 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 08:00:36,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:00:36,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80743609] [2023-11-30 08:00:36,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80743609] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:00:36,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:00:36,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 08:00:36,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264181157] [2023-11-30 08:00:36,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:00:36,152 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 08:00:36,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:00:36,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 08:00:36,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-30 08:00:36,154 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 121 [2023-11-30 08:00:36,155 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 166 transitions, 843 flow. Second operand has 6 states, 6 states have (on average 64.83333333333333) internal successors, (389), 6 states have internal predecessors, (389), 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 08:00:36,155 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:00:36,156 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 121 [2023-11-30 08:00:36,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:00:36,346 INFO L124 PetriNetUnfolderBase]: 132/433 cut-off events. [2023-11-30 08:00:36,347 INFO L125 PetriNetUnfolderBase]: For 212/245 co-relation queries the response was YES. [2023-11-30 08:00:36,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1345 conditions, 433 events. 132/433 cut-off events. For 212/245 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2083 event pairs, 4 based on Foata normal form. 0/428 useless extension candidates. Maximal degree in co-relation 1224. Up to 122 conditions per place. [2023-11-30 08:00:36,348 INFO L140 encePairwiseOnDemand]: 113/121 looper letters, 0 selfloop transitions, 0 changer transitions 171/171 dead transitions. [2023-11-30 08:00:36,352 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 171 transitions, 1123 flow [2023-11-30 08:00:36,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-30 08:00:36,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-30 08:00:36,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 555 transitions. [2023-11-30 08:00:36,354 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5733471074380165 [2023-11-30 08:00:36,354 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 555 transitions. [2023-11-30 08:00:36,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 555 transitions. [2023-11-30 08:00:36,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:00:36,355 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 555 transitions. [2023-11-30 08:00:36,356 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 69.375) internal successors, (555), 8 states have internal predecessors, (555), 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 08:00:36,357 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 121.0) internal successors, (1089), 9 states have internal predecessors, (1089), 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 08:00:36,358 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 121.0) internal successors, (1089), 9 states have internal predecessors, (1089), 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 08:00:36,359 INFO L307 CegarLoopForPetriNet]: 104 programPoint places, 27 predicate places. [2023-11-30 08:00:36,359 INFO L500 AbstractCegarLoop]: Abstraction has has 131 places, 171 transitions, 1123 flow [2023-11-30 08:00:36,360 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 64.83333333333333) internal successors, (389), 6 states have internal predecessors, (389), 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 08:00:36,367 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/28-race_reach_45-escape_racing.i_BEv2_AllErrorsAtOnce [2023-11-30 08:00:36,399 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 9 remaining) [2023-11-30 08:00:36,399 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 9 remaining) [2023-11-30 08:00:36,400 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 9 remaining) [2023-11-30 08:00:36,400 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 9 remaining) [2023-11-30 08:00:36,400 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 9 remaining) [2023-11-30 08:00:36,400 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 9 remaining) [2023-11-30 08:00:36,400 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 9 remaining) [2023-11-30 08:00:36,400 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 9 remaining) [2023-11-30 08:00:36,400 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 9 remaining) [2023-11-30 08:00:36,401 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 08:00:36,401 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-30 08:00:36,405 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 08:00:36,405 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 08:00:36,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 08:00:36 BasicIcfg [2023-11-30 08:00:36,411 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 08:00:36,411 INFO L158 Benchmark]: Toolchain (without parser) took 3807.89ms. Allocated memory was 348.1MB in the beginning and 541.1MB in the end (delta: 192.9MB). Free memory was 278.2MB in the beginning and 460.2MB in the end (delta: -182.0MB). Peak memory consumption was 9.9MB. Max. memory is 16.0GB. [2023-11-30 08:00:36,412 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 348.1MB. Free memory is still 291.5MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 08:00:36,412 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.30ms. Allocated memory was 348.1MB in the beginning and 541.1MB in the end (delta: 192.9MB). Free memory was 277.9MB in the beginning and 501.0MB in the end (delta: -223.0MB). Peak memory consumption was 26.5MB. Max. memory is 16.0GB. [2023-11-30 08:00:36,412 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.93ms. Allocated memory is still 541.1MB. Free memory was 501.0MB in the beginning and 499.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 08:00:36,413 INFO L158 Benchmark]: Boogie Preprocessor took 20.69ms. Allocated memory is still 541.1MB. Free memory was 499.2MB in the beginning and 497.2MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-11-30 08:00:36,413 INFO L158 Benchmark]: RCFGBuilder took 384.74ms. Allocated memory is still 541.1MB. Free memory was 497.2MB in the beginning and 479.2MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2023-11-30 08:00:36,414 INFO L158 Benchmark]: TraceAbstraction took 2988.94ms. Allocated memory is still 541.1MB. Free memory was 478.3MB in the beginning and 460.2MB in the end (delta: 18.2MB). Peak memory consumption was 14.8MB. Max. memory is 16.0GB. [2023-11-30 08:00:36,416 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 348.1MB. Free memory is still 291.5MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 374.30ms. Allocated memory was 348.1MB in the beginning and 541.1MB in the end (delta: 192.9MB). Free memory was 277.9MB in the beginning and 501.0MB in the end (delta: -223.0MB). Peak memory consumption was 26.5MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 33.93ms. Allocated memory is still 541.1MB. Free memory was 501.0MB in the beginning and 499.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 20.69ms. Allocated memory is still 541.1MB. Free memory was 499.2MB in the beginning and 497.2MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * RCFGBuilder took 384.74ms. Allocated memory is still 541.1MB. Free memory was 497.2MB in the beginning and 479.2MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 2988.94ms. Allocated memory is still 541.1MB. Free memory was 478.3MB in the beginning and 460.2MB in the end (delta: 18.2MB). Peak memory consumption was 14.8MB. 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, 152 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: 2.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 510 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 510 mSDsluCounter, 529 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 440 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1092 IncrementalHoareTripleChecker+Invalid, 1098 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 89 mSDtfsCounter, 1092 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, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1123occurred 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, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 163 NumberOfCodeBlocks, 163 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 160 ConstructedInterpolants, 0 QuantifiedInterpolants, 468 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 08:00:36,434 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...