/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/weaver/parallel-misc-2-unrolled-atomic.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 09:02:08,308 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 09:02:08,370 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 09:02:08,395 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 09:02:08,396 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 09:02:08,396 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 09:02:08,397 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 09:02:08,397 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 09:02:08,397 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 09:02:08,400 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 09:02:08,400 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 09:02:08,400 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 09:02:08,400 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 09:02:08,401 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 09:02:08,401 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 09:02:08,402 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 09:02:08,402 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 09:02:08,402 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 09:02:08,402 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 09:02:08,402 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 09:02:08,402 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 09:02:08,403 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 09:02:08,403 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 09:02:08,403 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 09:02:08,403 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 09:02:08,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 09:02:08,404 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 09:02:08,405 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 09:02:08,405 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 09:02:08,405 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 09:02:08,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 09:02:08,405 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 09:02:08,405 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 09:02:08,405 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-11-30 09:02:08,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 09:02:08,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 09:02:08,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 09:02:08,593 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 09:02:08,593 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 09:02:08,594 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-2-unrolled-atomic.wvr.c [2023-11-30 09:02:09,583 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 09:02:09,734 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 09:02:09,735 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2-unrolled-atomic.wvr.c [2023-11-30 09:02:09,741 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1533258bc/ae776618a8754cfa91858a48ed792e20/FLAGf0173aca8 [2023-11-30 09:02:09,755 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1533258bc/ae776618a8754cfa91858a48ed792e20 [2023-11-30 09:02:09,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 09:02:09,758 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 09:02:09,761 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 09:02:09,762 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 09:02:09,765 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 09:02:09,765 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 09:02:09" (1/1) ... [2023-11-30 09:02:09,766 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@794a2480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:02:09, skipping insertion in model container [2023-11-30 09:02:09,767 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 09:02:09" (1/1) ... [2023-11-30 09:02:09,784 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 09:02:09,917 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 09:02:09,923 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 09:02:09,943 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 09:02:09,949 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 09:02:09,949 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 09:02:09,954 INFO L206 MainTranslator]: Completed translation [2023-11-30 09:02:09,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:02:09 WrapperNode [2023-11-30 09:02:09,954 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 09:02:09,955 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 09:02:09,955 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 09:02:09,955 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 09:02:09,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:02:09" (1/1) ... [2023-11-30 09:02:09,968 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:02:09" (1/1) ... [2023-11-30 09:02:09,980 INFO L138 Inliner]: procedures = 20, calls = 26, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 73 [2023-11-30 09:02:09,981 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 09:02:09,981 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 09:02:09,981 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 09:02:09,981 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 09:02:09,987 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:02:09" (1/1) ... [2023-11-30 09:02:09,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:02:09" (1/1) ... [2023-11-30 09:02:09,997 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:02:09" (1/1) ... [2023-11-30 09:02:09,997 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:02:09" (1/1) ... [2023-11-30 09:02:10,003 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:02:09" (1/1) ... [2023-11-30 09:02:10,005 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:02:09" (1/1) ... [2023-11-30 09:02:10,006 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:02:09" (1/1) ... [2023-11-30 09:02:10,006 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:02:09" (1/1) ... [2023-11-30 09:02:10,020 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 09:02:10,020 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 09:02:10,020 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 09:02:10,020 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 09:02:10,021 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:02:09" (1/1) ... [2023-11-30 09:02:10,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 09:02:10,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 09:02:10,043 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 09:02:10,048 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 09:02:10,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 09:02:10,063 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-30 09:02:10,063 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-30 09:02:10,064 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-30 09:02:10,064 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-30 09:02:10,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 09:02:10,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 09:02:10,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 09:02:10,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-30 09:02:10,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-30 09:02:10,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 09:02:10,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 09:02:10,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 09:02:10,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 09:02:10,065 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 09:02:10,150 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 09:02:10,152 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 09:02:10,421 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 09:02:10,557 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 09:02:10,557 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-30 09:02:10,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 09:02:10 BoogieIcfgContainer [2023-11-30 09:02:10,560 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 09:02:10,562 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 09:02:10,562 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 09:02:10,564 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 09:02:10,564 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 09:02:09" (1/3) ... [2023-11-30 09:02:10,565 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@344844ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 09:02:10, skipping insertion in model container [2023-11-30 09:02:10,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:02:09" (2/3) ... [2023-11-30 09:02:10,565 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@344844ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 09:02:10, skipping insertion in model container [2023-11-30 09:02:10,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 09:02:10" (3/3) ... [2023-11-30 09:02:10,566 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-2-unrolled-atomic.wvr.c [2023-11-30 09:02:10,579 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 09:02:10,579 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2023-11-30 09:02:10,579 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 09:02:10,632 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-30 09:02:10,665 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 124 places, 124 transitions, 262 flow [2023-11-30 09:02:10,719 INFO L124 PetriNetUnfolderBase]: 7/122 cut-off events. [2023-11-30 09:02:10,720 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-30 09:02:10,724 INFO L83 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 122 events. 7/122 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 140 event pairs, 0 based on Foata normal form. 0/95 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2023-11-30 09:02:10,724 INFO L82 GeneralOperation]: Start removeDead. Operand has 124 places, 124 transitions, 262 flow [2023-11-30 09:02:10,728 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 101 places, 100 transitions, 209 flow [2023-11-30 09:02:10,739 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 09:02:10,746 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;@571319f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 09:02:10,746 INFO L363 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2023-11-30 09:02:10,760 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 09:02:10,760 INFO L124 PetriNetUnfolderBase]: 2/52 cut-off events. [2023-11-30 09:02:10,760 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 09:02:10,761 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 09:02:10,761 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] [2023-11-30 09:02:10,761 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-11-30 09:02:10,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 09:02:10,765 INFO L85 PathProgramCache]: Analyzing trace with hash 198693219, now seen corresponding path program 1 times [2023-11-30 09:02:10,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 09:02:10,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641366270] [2023-11-30 09:02:10,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 09:02:10,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 09:02:10,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 09:02:11,164 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 09:02:11,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 09:02:11,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641366270] [2023-11-30 09:02:11,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641366270] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 09:02:11,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 09:02:11,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-30 09:02:11,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871596650] [2023-11-30 09:02:11,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 09:02:11,174 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-30 09:02:11,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 09:02:11,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-30 09:02:11,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-30 09:02:11,212 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 124 [2023-11-30 09:02:11,216 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 100 transitions, 209 flow. Second operand has 5 states, 5 states have (on average 64.2) internal successors, (321), 5 states have internal predecessors, (321), 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 09:02:11,217 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 09:02:11,217 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 124 [2023-11-30 09:02:11,217 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 09:02:11,367 INFO L124 PetriNetUnfolderBase]: 194/482 cut-off events. [2023-11-30 09:02:11,367 INFO L125 PetriNetUnfolderBase]: For 52/52 co-relation queries the response was YES. [2023-11-30 09:02:11,368 INFO L83 FinitePrefix]: Finished finitePrefix Result has 928 conditions, 482 events. 194/482 cut-off events. For 52/52 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 2381 event pairs, 166 based on Foata normal form. 2/251 useless extension candidates. Maximal degree in co-relation 786. Up to 391 conditions per place. [2023-11-30 09:02:11,373 INFO L140 encePairwiseOnDemand]: 108/124 looper letters, 36 selfloop transitions, 5 changer transitions 2/90 dead transitions. [2023-11-30 09:02:11,374 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 90 transitions, 275 flow [2023-11-30 09:02:11,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 09:02:11,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 09:02:11,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 419 transitions. [2023-11-30 09:02:11,389 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5631720430107527 [2023-11-30 09:02:11,389 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 419 transitions. [2023-11-30 09:02:11,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 419 transitions. [2023-11-30 09:02:11,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 09:02:11,394 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 419 transitions. [2023-11-30 09:02:11,396 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 69.83333333333333) internal successors, (419), 6 states have internal predecessors, (419), 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 09:02:11,399 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 124.0) internal successors, (868), 7 states have internal predecessors, (868), 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 09:02:11,400 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 124.0) internal successors, (868), 7 states have internal predecessors, (868), 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 09:02:11,402 INFO L307 CegarLoopForPetriNet]: 101 programPoint places, -1 predicate places. [2023-11-30 09:02:11,402 INFO L500 AbstractCegarLoop]: Abstraction has has 100 places, 90 transitions, 275 flow [2023-11-30 09:02:11,403 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.2) internal successors, (321), 5 states have internal predecessors, (321), 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 09:02:11,403 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 09:02:11,403 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 09:02:11,403 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 09:02:11,403 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-11-30 09:02:11,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 09:02:11,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1864522911, now seen corresponding path program 1 times [2023-11-30 09:02:11,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 09:02:11,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107465084] [2023-11-30 09:02:11,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 09:02:11,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 09:02:11,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 09:02:11,562 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 09:02:11,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 09:02:11,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107465084] [2023-11-30 09:02:11,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107465084] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 09:02:11,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 09:02:11,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-30 09:02:11,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931380667] [2023-11-30 09:02:11,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 09:02:11,564 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-30 09:02:11,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 09:02:11,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-30 09:02:11,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-30 09:02:11,565 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 124 [2023-11-30 09:02:11,566 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 90 transitions, 275 flow. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 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 09:02:11,566 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 09:02:11,566 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 124 [2023-11-30 09:02:11,566 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 09:02:11,670 INFO L124 PetriNetUnfolderBase]: 167/426 cut-off events. [2023-11-30 09:02:11,670 INFO L125 PetriNetUnfolderBase]: For 74/96 co-relation queries the response was YES. [2023-11-30 09:02:11,671 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1165 conditions, 426 events. 167/426 cut-off events. For 74/96 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 2053 event pairs, 141 based on Foata normal form. 0/237 useless extension candidates. Maximal degree in co-relation 986. Up to 337 conditions per place. [2023-11-30 09:02:11,674 INFO L140 encePairwiseOnDemand]: 116/124 looper letters, 34 selfloop transitions, 5 changer transitions 2/88 dead transitions. [2023-11-30 09:02:11,674 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 88 transitions, 349 flow [2023-11-30 09:02:11,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 09:02:11,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 09:02:11,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 409 transitions. [2023-11-30 09:02:11,675 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5497311827956989 [2023-11-30 09:02:11,675 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 409 transitions. [2023-11-30 09:02:11,675 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 409 transitions. [2023-11-30 09:02:11,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 09:02:11,676 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 409 transitions. [2023-11-30 09:02:11,677 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 68.16666666666667) internal successors, (409), 6 states have internal predecessors, (409), 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 09:02:11,678 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 124.0) internal successors, (868), 7 states have internal predecessors, (868), 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 09:02:11,678 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 124.0) internal successors, (868), 7 states have internal predecessors, (868), 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 09:02:11,679 INFO L307 CegarLoopForPetriNet]: 101 programPoint places, 2 predicate places. [2023-11-30 09:02:11,679 INFO L500 AbstractCegarLoop]: Abstraction has has 103 places, 88 transitions, 349 flow [2023-11-30 09:02:11,679 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 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 09:02:11,679 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 09:02:11,680 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 09:02:11,680 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 09:02:11,680 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-11-30 09:02:11,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 09:02:11,680 INFO L85 PathProgramCache]: Analyzing trace with hash 805168521, now seen corresponding path program 1 times [2023-11-30 09:02:11,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 09:02:11,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819122142] [2023-11-30 09:02:11,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 09:02:11,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 09:02:11,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 09:02:11,728 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 09:02:11,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 09:02:11,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819122142] [2023-11-30 09:02:11,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819122142] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 09:02:11,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 09:02:11,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 09:02:11,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301748671] [2023-11-30 09:02:11,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 09:02:11,730 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 09:02:11,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 09:02:11,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 09:02:11,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 09:02:11,731 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 124 [2023-11-30 09:02:11,731 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 88 transitions, 349 flow. Second operand has 4 states, 4 states have (on average 80.75) internal successors, (323), 4 states have internal predecessors, (323), 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 09:02:11,731 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 09:02:11,731 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 124 [2023-11-30 09:02:11,731 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 09:02:11,812 INFO L124 PetriNetUnfolderBase]: 147/374 cut-off events. [2023-11-30 09:02:11,812 INFO L125 PetriNetUnfolderBase]: For 114/158 co-relation queries the response was YES. [2023-11-30 09:02:11,813 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1333 conditions, 374 events. 147/374 cut-off events. For 114/158 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 1776 event pairs, 42 based on Foata normal form. 0/227 useless extension candidates. Maximal degree in co-relation 1122. Up to 297 conditions per place. [2023-11-30 09:02:11,815 INFO L140 encePairwiseOnDemand]: 113/124 looper letters, 37 selfloop transitions, 9 changer transitions 2/103 dead transitions. [2023-11-30 09:02:11,816 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 103 transitions, 537 flow [2023-11-30 09:02:11,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 09:02:11,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 09:02:11,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 438 transitions. [2023-11-30 09:02:11,817 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7064516129032258 [2023-11-30 09:02:11,817 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 438 transitions. [2023-11-30 09:02:11,817 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 438 transitions. [2023-11-30 09:02:11,817 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 09:02:11,818 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 438 transitions. [2023-11-30 09:02:11,818 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 87.6) internal successors, (438), 5 states have internal predecessors, (438), 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 09:02:11,819 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 124.0) internal successors, (744), 6 states have internal predecessors, (744), 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 09:02:11,820 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 124.0) internal successors, (744), 6 states have internal predecessors, (744), 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 09:02:11,820 INFO L307 CegarLoopForPetriNet]: 101 programPoint places, 4 predicate places. [2023-11-30 09:02:11,820 INFO L500 AbstractCegarLoop]: Abstraction has has 105 places, 103 transitions, 537 flow [2023-11-30 09:02:11,821 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 80.75) internal successors, (323), 4 states have internal predecessors, (323), 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 09:02:11,821 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 09:02:11,821 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 09:02:11,821 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 09:02:11,821 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-11-30 09:02:11,821 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 09:02:11,822 INFO L85 PathProgramCache]: Analyzing trace with hash 805168518, now seen corresponding path program 1 times [2023-11-30 09:02:11,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 09:02:11,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072181063] [2023-11-30 09:02:11,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 09:02:11,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 09:02:11,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 09:02:11,869 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 09:02:11,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 09:02:11,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072181063] [2023-11-30 09:02:11,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072181063] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 09:02:11,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 09:02:11,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 09:02:11,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055502487] [2023-11-30 09:02:11,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 09:02:11,870 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 09:02:11,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 09:02:11,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 09:02:11,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 09:02:11,871 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 124 [2023-11-30 09:02:11,872 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 103 transitions, 537 flow. Second operand has 4 states, 4 states have (on average 89.25) internal successors, (357), 4 states have internal predecessors, (357), 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 09:02:11,872 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 09:02:11,872 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 124 [2023-11-30 09:02:11,872 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 09:02:11,918 INFO L124 PetriNetUnfolderBase]: 100/290 cut-off events. [2023-11-30 09:02:11,918 INFO L125 PetriNetUnfolderBase]: For 216/284 co-relation queries the response was YES. [2023-11-30 09:02:11,918 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1070 conditions, 290 events. 100/290 cut-off events. For 216/284 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1141 event pairs, 37 based on Foata normal form. 0/207 useless extension candidates. Maximal degree in co-relation 853. Up to 205 conditions per place. [2023-11-30 09:02:11,920 INFO L140 encePairwiseOnDemand]: 117/124 looper letters, 22 selfloop transitions, 3 changer transitions 2/97 dead transitions. [2023-11-30 09:02:11,920 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 97 transitions, 539 flow [2023-11-30 09:02:11,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 09:02:11,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 09:02:11,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 370 transitions. [2023-11-30 09:02:11,921 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7459677419354839 [2023-11-30 09:02:11,921 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 370 transitions. [2023-11-30 09:02:11,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 370 transitions. [2023-11-30 09:02:11,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 09:02:11,921 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 370 transitions. [2023-11-30 09:02:11,922 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 92.5) internal successors, (370), 4 states have internal predecessors, (370), 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 09:02:11,923 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 124.0) internal successors, (620), 5 states have internal predecessors, (620), 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 09:02:11,923 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 124.0) internal successors, (620), 5 states have internal predecessors, (620), 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 09:02:11,924 INFO L307 CegarLoopForPetriNet]: 101 programPoint places, 3 predicate places. [2023-11-30 09:02:11,924 INFO L500 AbstractCegarLoop]: Abstraction has has 104 places, 97 transitions, 539 flow [2023-11-30 09:02:11,924 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 89.25) internal successors, (357), 4 states have internal predecessors, (357), 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 09:02:11,924 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 09:02:11,924 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 09:02:11,924 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 09:02:11,924 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-11-30 09:02:11,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 09:02:11,925 INFO L85 PathProgramCache]: Analyzing trace with hash 805168515, now seen corresponding path program 1 times [2023-11-30 09:02:11,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 09:02:11,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270246296] [2023-11-30 09:02:11,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 09:02:11,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 09:02:11,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 09:02:11,978 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 09:02:11,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 09:02:11,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270246296] [2023-11-30 09:02:11,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270246296] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 09:02:11,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 09:02:11,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-30 09:02:11,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295154195] [2023-11-30 09:02:11,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 09:02:11,980 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-30 09:02:11,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 09:02:11,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-30 09:02:11,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-30 09:02:11,981 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 124 [2023-11-30 09:02:11,981 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 97 transitions, 539 flow. Second operand has 5 states, 5 states have (on average 76.2) internal successors, (381), 5 states have internal predecessors, (381), 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 09:02:11,981 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 09:02:11,981 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 124 [2023-11-30 09:02:11,981 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 09:02:12,035 INFO L124 PetriNetUnfolderBase]: 82/254 cut-off events. [2023-11-30 09:02:12,036 INFO L125 PetriNetUnfolderBase]: For 331/387 co-relation queries the response was YES. [2023-11-30 09:02:12,036 INFO L83 FinitePrefix]: Finished finitePrefix Result has 993 conditions, 254 events. 82/254 cut-off events. For 331/387 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 958 event pairs, 19 based on Foata normal form. 0/194 useless extension candidates. Maximal degree in co-relation 756. Up to 171 conditions per place. [2023-11-30 09:02:12,037 INFO L140 encePairwiseOnDemand]: 114/124 looper letters, 29 selfloop transitions, 10 changer transitions 2/104 dead transitions. [2023-11-30 09:02:12,038 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 104 transitions, 697 flow [2023-11-30 09:02:12,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 09:02:12,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 09:02:12,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 402 transitions. [2023-11-30 09:02:12,039 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6483870967741936 [2023-11-30 09:02:12,039 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 402 transitions. [2023-11-30 09:02:12,039 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 402 transitions. [2023-11-30 09:02:12,039 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 09:02:12,039 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 402 transitions. [2023-11-30 09:02:12,040 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 80.4) internal successors, (402), 5 states have internal predecessors, (402), 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 09:02:12,041 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 124.0) internal successors, (744), 6 states have internal predecessors, (744), 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 09:02:12,041 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 124.0) internal successors, (744), 6 states have internal predecessors, (744), 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 09:02:12,042 INFO L307 CegarLoopForPetriNet]: 101 programPoint places, 7 predicate places. [2023-11-30 09:02:12,042 INFO L500 AbstractCegarLoop]: Abstraction has has 108 places, 104 transitions, 697 flow [2023-11-30 09:02:12,042 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 76.2) internal successors, (381), 5 states have internal predecessors, (381), 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 09:02:12,042 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 09:02:12,042 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 09:02:12,042 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 09:02:12,043 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-11-30 09:02:12,043 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 09:02:12,043 INFO L85 PathProgramCache]: Analyzing trace with hash 805168516, now seen corresponding path program 1 times [2023-11-30 09:02:12,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 09:02:12,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501473106] [2023-11-30 09:02:12,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 09:02:12,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 09:02:12,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 09:02:12,080 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 09:02:12,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 09:02:12,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501473106] [2023-11-30 09:02:12,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501473106] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 09:02:12,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 09:02:12,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 09:02:12,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006857276] [2023-11-30 09:02:12,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 09:02:12,081 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 09:02:12,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 09:02:12,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 09:02:12,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 09:02:12,082 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 124 [2023-11-30 09:02:12,083 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 104 transitions, 697 flow. Second operand has 4 states, 4 states have (on average 88.5) internal successors, (354), 4 states have internal predecessors, (354), 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 09:02:12,083 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 09:02:12,083 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 124 [2023-11-30 09:02:12,083 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 09:02:12,125 INFO L124 PetriNetUnfolderBase]: 72/229 cut-off events. [2023-11-30 09:02:12,125 INFO L125 PetriNetUnfolderBase]: For 522/719 co-relation queries the response was YES. [2023-11-30 09:02:12,125 INFO L83 FinitePrefix]: Finished finitePrefix Result has 958 conditions, 229 events. 72/229 cut-off events. For 522/719 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 804 event pairs, 24 based on Foata normal form. 0/184 useless extension candidates. Maximal degree in co-relation 699. Up to 150 conditions per place. [2023-11-30 09:02:12,127 INFO L140 encePairwiseOnDemand]: 120/124 looper letters, 23 selfloop transitions, 3 changer transitions 6/96 dead transitions. [2023-11-30 09:02:12,127 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 96 transitions, 650 flow [2023-11-30 09:02:12,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 09:02:12,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 09:02:12,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 363 transitions. [2023-11-30 09:02:12,128 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7318548387096774 [2023-11-30 09:02:12,128 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 363 transitions. [2023-11-30 09:02:12,128 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 363 transitions. [2023-11-30 09:02:12,128 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 09:02:12,128 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 363 transitions. [2023-11-30 09:02:12,129 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 90.75) internal successors, (363), 4 states have internal predecessors, (363), 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 09:02:12,130 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 124.0) internal successors, (620), 5 states have internal predecessors, (620), 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 09:02:12,130 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 124.0) internal successors, (620), 5 states have internal predecessors, (620), 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 09:02:12,130 INFO L307 CegarLoopForPetriNet]: 101 programPoint places, 8 predicate places. [2023-11-30 09:02:12,130 INFO L500 AbstractCegarLoop]: Abstraction has has 109 places, 96 transitions, 650 flow [2023-11-30 09:02:12,131 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 88.5) internal successors, (354), 4 states have internal predecessors, (354), 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 09:02:12,131 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 09:02:12,131 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] [2023-11-30 09:02:12,131 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-30 09:02:12,131 INFO L425 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-11-30 09:02:12,131 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 09:02:12,131 INFO L85 PathProgramCache]: Analyzing trace with hash -899438839, now seen corresponding path program 1 times [2023-11-30 09:02:12,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 09:02:12,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71179568] [2023-11-30 09:02:12,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 09:02:12,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 09:02:12,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 09:02:12,168 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 09:02:12,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 09:02:12,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71179568] [2023-11-30 09:02:12,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71179568] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 09:02:12,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 09:02:12,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 09:02:12,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175360088] [2023-11-30 09:02:12,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 09:02:12,169 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 09:02:12,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 09:02:12,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 09:02:12,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 09:02:12,170 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 124 [2023-11-30 09:02:12,170 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 96 transitions, 650 flow. Second operand has 4 states, 4 states have (on average 81.0) internal successors, (324), 4 states have internal predecessors, (324), 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 09:02:12,170 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 09:02:12,171 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 124 [2023-11-30 09:02:12,171 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 09:02:12,222 INFO L124 PetriNetUnfolderBase]: 58/200 cut-off events. [2023-11-30 09:02:12,223 INFO L125 PetriNetUnfolderBase]: For 635/936 co-relation queries the response was YES. [2023-11-30 09:02:12,223 INFO L83 FinitePrefix]: Finished finitePrefix Result has 903 conditions, 200 events. 58/200 cut-off events. For 635/936 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 626 event pairs, 16 based on Foata normal form. 3/175 useless extension candidates. Maximal degree in co-relation 652. Up to 121 conditions per place. [2023-11-30 09:02:12,224 INFO L140 encePairwiseOnDemand]: 114/124 looper letters, 29 selfloop transitions, 10 changer transitions 6/98 dead transitions. [2023-11-30 09:02:12,225 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 98 transitions, 743 flow [2023-11-30 09:02:12,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 09:02:12,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 09:02:12,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 424 transitions. [2023-11-30 09:02:12,226 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6838709677419355 [2023-11-30 09:02:12,226 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 424 transitions. [2023-11-30 09:02:12,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 424 transitions. [2023-11-30 09:02:12,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 09:02:12,227 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 424 transitions. [2023-11-30 09:02:12,228 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 84.8) internal successors, (424), 5 states have internal predecessors, (424), 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 09:02:12,229 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 124.0) internal successors, (744), 6 states have internal predecessors, (744), 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 09:02:12,229 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 124.0) internal successors, (744), 6 states have internal predecessors, (744), 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 09:02:12,229 INFO L307 CegarLoopForPetriNet]: 101 programPoint places, 10 predicate places. [2023-11-30 09:02:12,230 INFO L500 AbstractCegarLoop]: Abstraction has has 111 places, 98 transitions, 743 flow [2023-11-30 09:02:12,230 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 81.0) internal successors, (324), 4 states have internal predecessors, (324), 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 09:02:12,245 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 09:02:12,245 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] [2023-11-30 09:02:12,245 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-30 09:02:12,245 INFO L425 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-11-30 09:02:12,246 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 09:02:12,246 INFO L85 PathProgramCache]: Analyzing trace with hash -899438844, now seen corresponding path program 1 times [2023-11-30 09:02:12,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 09:02:12,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766060632] [2023-11-30 09:02:12,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 09:02:12,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 09:02:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 09:02:12,312 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 09:02:12,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 09:02:12,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766060632] [2023-11-30 09:02:12,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766060632] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 09:02:12,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 09:02:12,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 09:02:12,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229029257] [2023-11-30 09:02:12,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 09:02:12,314 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 09:02:12,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 09:02:12,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 09:02:12,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 09:02:12,316 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 124 [2023-11-30 09:02:12,316 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 98 transitions, 743 flow. Second operand has 4 states, 4 states have (on average 88.75) internal successors, (355), 4 states have internal predecessors, (355), 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 09:02:12,316 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 09:02:12,316 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 124 [2023-11-30 09:02:12,316 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 09:02:12,345 INFO L124 PetriNetUnfolderBase]: 52/188 cut-off events. [2023-11-30 09:02:12,345 INFO L125 PetriNetUnfolderBase]: For 627/703 co-relation queries the response was YES. [2023-11-30 09:02:12,345 INFO L83 FinitePrefix]: Finished finitePrefix Result has 850 conditions, 188 events. 52/188 cut-off events. For 627/703 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 550 event pairs, 9 based on Foata normal form. 0/169 useless extension candidates. Maximal degree in co-relation 598. Up to 107 conditions per place. [2023-11-30 09:02:12,346 INFO L140 encePairwiseOnDemand]: 120/124 looper letters, 0 selfloop transitions, 0 changer transitions 93/93 dead transitions. [2023-11-30 09:02:12,346 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 93 transitions, 702 flow [2023-11-30 09:02:12,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 09:02:12,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 09:02:12,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 359 transitions. [2023-11-30 09:02:12,347 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7237903225806451 [2023-11-30 09:02:12,347 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 359 transitions. [2023-11-30 09:02:12,347 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 359 transitions. [2023-11-30 09:02:12,347 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 09:02:12,347 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 359 transitions. [2023-11-30 09:02:12,348 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 89.75) internal successors, (359), 4 states have internal predecessors, (359), 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 09:02:12,349 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 124.0) internal successors, (620), 5 states have internal predecessors, (620), 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 09:02:12,349 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 124.0) internal successors, (620), 5 states have internal predecessors, (620), 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 09:02:12,351 INFO L307 CegarLoopForPetriNet]: 101 programPoint places, 11 predicate places. [2023-11-30 09:02:12,353 INFO L500 AbstractCegarLoop]: Abstraction has has 112 places, 93 transitions, 702 flow [2023-11-30 09:02:12,353 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 88.75) internal successors, (355), 4 states have internal predecessors, (355), 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 09:02:12,357 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/parallel-misc-2-unrolled-atomic.wvr.c_BEv2_AllErrorsAtOnce [2023-11-30 09:02:12,397 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 42 remaining) [2023-11-30 09:02:12,398 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 42 remaining) [2023-11-30 09:02:12,398 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 42 remaining) [2023-11-30 09:02:12,398 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 42 remaining) [2023-11-30 09:02:12,398 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 42 remaining) [2023-11-30 09:02:12,398 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 42 remaining) [2023-11-30 09:02:12,398 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 42 remaining) [2023-11-30 09:02:12,398 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 42 remaining) [2023-11-30 09:02:12,399 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 42 remaining) [2023-11-30 09:02:12,399 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 42 remaining) [2023-11-30 09:02:12,399 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 42 remaining) [2023-11-30 09:02:12,399 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 42 remaining) [2023-11-30 09:02:12,399 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 42 remaining) [2023-11-30 09:02:12,399 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 42 remaining) [2023-11-30 09:02:12,399 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 42 remaining) [2023-11-30 09:02:12,399 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 42 remaining) [2023-11-30 09:02:12,399 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 42 remaining) [2023-11-30 09:02:12,399 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 42 remaining) [2023-11-30 09:02:12,400 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 42 remaining) [2023-11-30 09:02:12,400 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 42 remaining) [2023-11-30 09:02:12,400 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 42 remaining) [2023-11-30 09:02:12,400 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 42 remaining) [2023-11-30 09:02:12,400 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 42 remaining) [2023-11-30 09:02:12,400 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 42 remaining) [2023-11-30 09:02:12,400 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 42 remaining) [2023-11-30 09:02:12,400 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 42 remaining) [2023-11-30 09:02:12,400 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 42 remaining) [2023-11-30 09:02:12,400 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 42 remaining) [2023-11-30 09:02:12,401 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 42 remaining) [2023-11-30 09:02:12,401 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 42 remaining) [2023-11-30 09:02:12,401 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 42 remaining) [2023-11-30 09:02:12,401 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 42 remaining) [2023-11-30 09:02:12,401 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 42 remaining) [2023-11-30 09:02:12,401 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 42 remaining) [2023-11-30 09:02:12,401 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 42 remaining) [2023-11-30 09:02:12,401 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 42 remaining) [2023-11-30 09:02:12,401 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 42 remaining) [2023-11-30 09:02:12,401 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 42 remaining) [2023-11-30 09:02:12,402 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 42 remaining) [2023-11-30 09:02:12,402 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 42 remaining) [2023-11-30 09:02:12,402 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 42 remaining) [2023-11-30 09:02:12,402 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 42 remaining) [2023-11-30 09:02:12,402 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-30 09:02:12,402 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 09:02:12,405 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 09:02:12,405 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 09:02:12,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 09:02:12 BasicIcfg [2023-11-30 09:02:12,416 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 09:02:12,417 INFO L158 Benchmark]: Toolchain (without parser) took 2658.90ms. Allocated memory was 352.3MB in the beginning and 536.9MB in the end (delta: 184.5MB). Free memory was 295.5MB in the beginning and 464.6MB in the end (delta: -169.1MB). Peak memory consumption was 16.3MB. Max. memory is 16.0GB. [2023-11-30 09:02:12,420 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 352.3MB. Free memory is still 300.7MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 09:02:12,421 INFO L158 Benchmark]: CACSL2BoogieTranslator took 192.79ms. Allocated memory is still 352.3MB. Free memory was 295.2MB in the beginning and 284.3MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. [2023-11-30 09:02:12,422 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.60ms. Allocated memory is still 352.3MB. Free memory was 284.0MB in the beginning and 282.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 09:02:12,425 INFO L158 Benchmark]: Boogie Preprocessor took 38.54ms. Allocated memory is still 352.3MB. Free memory was 282.6MB in the beginning and 281.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 09:02:12,425 INFO L158 Benchmark]: RCFGBuilder took 539.49ms. Allocated memory was 352.3MB in the beginning and 536.9MB in the end (delta: 184.5MB). Free memory was 281.1MB in the beginning and 490.3MB in the end (delta: -209.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. [2023-11-30 09:02:12,425 INFO L158 Benchmark]: TraceAbstraction took 1854.90ms. Allocated memory is still 536.9MB. Free memory was 489.3MB in the beginning and 464.6MB in the end (delta: 24.7MB). Peak memory consumption was 24.7MB. Max. memory is 16.0GB. [2023-11-30 09:02:12,426 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 352.3MB. Free memory is still 300.7MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 192.79ms. Allocated memory is still 352.3MB. Free memory was 295.2MB in the beginning and 284.3MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 25.60ms. Allocated memory is still 352.3MB. Free memory was 284.0MB in the beginning and 282.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 38.54ms. Allocated memory is still 352.3MB. Free memory was 282.6MB in the beginning and 281.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 539.49ms. Allocated memory was 352.3MB in the beginning and 536.9MB in the end (delta: 184.5MB). Free memory was 281.1MB in the beginning and 490.3MB in the end (delta: -209.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. * TraceAbstraction took 1854.90ms. Allocated memory is still 536.9MB. Free memory was 489.3MB in the beginning and 464.6MB in the end (delta: 24.7MB). Peak memory consumption was 24.7MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: 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 5 procedures, 156 locations, 42 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.7s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 176 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 176 mSDsluCounter, 114 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 40 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 307 IncrementalHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 74 mSDtfsCounter, 307 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=743occurred in iteration=7, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 415 NumberOfCodeBlocks, 415 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 407 ConstructedInterpolants, 0 QuantifiedInterpolants, 987 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 20 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 09:02:12,439 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...