/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/ldv-races/race-2_4-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 06:49:05,344 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 06:49:05,405 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 06:49:05,438 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 06:49:05,439 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 06:49:05,439 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 06:49:05,439 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 06:49:05,439 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 06:49:05,440 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 06:49:05,444 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 06:49:05,445 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 06:49:05,445 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 06:49:05,445 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 06:49:05,446 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 06:49:05,446 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 06:49:05,446 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 06:49:05,446 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 06:49:05,447 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 06:49:05,447 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 06:49:05,447 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 06:49:05,447 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 06:49:05,448 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 06:49:05,448 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 06:49:05,448 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 06:49:05,448 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 06:49:05,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 06:49:05,450 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 06:49:05,450 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 06:49:05,450 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 06:49:05,450 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 06:49:05,451 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 06:49:05,451 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 06:49:05,451 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 06:49:05,451 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-11-30 06:49:05,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 06:49:05,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 06:49:05,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 06:49:05,634 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 06:49:05,634 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 06:49:05,635 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_4-container_of.i [2023-11-30 06:49:06,704 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 06:49:06,973 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 06:49:06,974 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_4-container_of.i [2023-11-30 06:49:06,991 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f6e4c3ec/e4ace1d4102c48a7b99e2d6edfa9c22b/FLAGc8035077d [2023-11-30 06:49:07,004 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f6e4c3ec/e4ace1d4102c48a7b99e2d6edfa9c22b [2023-11-30 06:49:07,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 06:49:07,007 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 06:49:07,009 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 06:49:07,009 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 06:49:07,012 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 06:49:07,013 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:49:07" (1/1) ... [2023-11-30 06:49:07,014 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32a43fd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:49:07, skipping insertion in model container [2023-11-30 06:49:07,015 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:49:07" (1/1) ... [2023-11-30 06:49:07,060 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 06:49:07,653 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 06:49:07,660 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 06:49:07,721 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 06:49:07,800 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 06:49:07,800 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 06:49:07,805 INFO L206 MainTranslator]: Completed translation [2023-11-30 06:49:07,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:49:07 WrapperNode [2023-11-30 06:49:07,805 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 06:49:07,806 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 06:49:07,806 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 06:49:07,806 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 06:49:07,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:49:07" (1/1) ... [2023-11-30 06:49:07,829 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:49:07" (1/1) ... [2023-11-30 06:49:07,849 INFO L138 Inliner]: procedures = 469, calls = 64, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 162 [2023-11-30 06:49:07,850 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 06:49:07,850 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 06:49:07,850 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 06:49:07,850 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 06:49:07,857 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:49:07" (1/1) ... [2023-11-30 06:49:07,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:49:07" (1/1) ... [2023-11-30 06:49:07,860 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:49:07" (1/1) ... [2023-11-30 06:49:07,860 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:49:07" (1/1) ... [2023-11-30 06:49:07,868 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:49:07" (1/1) ... [2023-11-30 06:49:07,870 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:49:07" (1/1) ... [2023-11-30 06:49:07,873 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:49:07" (1/1) ... [2023-11-30 06:49:07,875 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:49:07" (1/1) ... [2023-11-30 06:49:07,878 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 06:49:07,879 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 06:49:07,879 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 06:49:07,879 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 06:49:07,880 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:49:07" (1/1) ... [2023-11-30 06:49:07,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 06:49:07,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 06:49:07,917 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 06:49:07,936 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 06:49:07,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-30 06:49:07,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 06:49:07,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-30 06:49:07,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 06:49:07,954 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-30 06:49:07,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 06:49:07,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-30 06:49:07,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 06:49:07,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 06:49:07,954 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-11-30 06:49:07,955 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-11-30 06:49:07,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 06:49:07,955 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-30 06:49:07,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 06:49:07,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 06:49:07,956 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 06:49:08,197 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 06:49:08,198 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 06:49:08,418 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 06:49:08,467 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 06:49:08,467 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 06:49:08,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:49:08 BoogieIcfgContainer [2023-11-30 06:49:08,468 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 06:49:08,470 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 06:49:08,470 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 06:49:08,472 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 06:49:08,472 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 06:49:07" (1/3) ... [2023-11-30 06:49:08,473 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d957459 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:49:08, skipping insertion in model container [2023-11-30 06:49:08,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:49:07" (2/3) ... [2023-11-30 06:49:08,473 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d957459 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:49:08, skipping insertion in model container [2023-11-30 06:49:08,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:49:08" (3/3) ... [2023-11-30 06:49:08,474 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_4-container_of.i [2023-11-30 06:49:08,486 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 06:49:08,486 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-30 06:49:08,486 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 06:49:08,530 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-30 06:49:08,558 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 193 places, 197 transitions, 408 flow [2023-11-30 06:49:08,643 INFO L124 PetriNetUnfolderBase]: 14/255 cut-off events. [2023-11-30 06:49:08,644 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-30 06:49:08,651 INFO L83 FinitePrefix]: Finished finitePrefix Result has 264 conditions, 255 events. 14/255 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 562 event pairs, 0 based on Foata normal form. 0/235 useless extension candidates. Maximal degree in co-relation 129. Up to 4 conditions per place. [2023-11-30 06:49:08,652 INFO L82 GeneralOperation]: Start removeDead. Operand has 193 places, 197 transitions, 408 flow [2023-11-30 06:49:08,657 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 155 places, 152 transitions, 313 flow [2023-11-30 06:49:08,668 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 06:49:08,673 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;@10325544, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 06:49:08,673 INFO L363 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-30 06:49:08,692 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 06:49:08,692 INFO L124 PetriNetUnfolderBase]: 0/72 cut-off events. [2023-11-30 06:49:08,692 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 06:49:08,692 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:49:08,693 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] [2023-11-30 06:49:08,693 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-30 06:49:08,697 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:49:08,697 INFO L85 PathProgramCache]: Analyzing trace with hash -237944974, now seen corresponding path program 1 times [2023-11-30 06:49:08,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:49:08,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120775247] [2023-11-30 06:49:08,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:49:08,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:49:08,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:49:10,231 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 06:49:10,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:49:10,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120775247] [2023-11-30 06:49:10,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120775247] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:49:10,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:49:10,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-11-30 06:49:10,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991457733] [2023-11-30 06:49:10,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:49:10,239 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-30 06:49:10,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:49:10,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-30 06:49:10,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2023-11-30 06:49:10,276 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 197 [2023-11-30 06:49:10,282 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 152 transitions, 313 flow. Second operand has 17 states, 17 states have (on average 116.94117647058823) internal successors, (1988), 17 states have internal predecessors, (1988), 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 06:49:10,282 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:49:10,282 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 197 [2023-11-30 06:49:10,283 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:49:12,502 INFO L124 PetriNetUnfolderBase]: 4763/10795 cut-off events. [2023-11-30 06:49:12,503 INFO L125 PetriNetUnfolderBase]: For 29/29 co-relation queries the response was YES. [2023-11-30 06:49:12,519 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18455 conditions, 10795 events. 4763/10795 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 387. Compared 95081 event pairs, 1462 based on Foata normal form. 288/9739 useless extension candidates. Maximal degree in co-relation 18160. Up to 4726 conditions per place. [2023-11-30 06:49:12,557 INFO L140 encePairwiseOnDemand]: 170/197 looper letters, 169 selfloop transitions, 32 changer transitions 8/286 dead transitions. [2023-11-30 06:49:12,557 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 286 transitions, 1005 flow [2023-11-30 06:49:12,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-30 06:49:12,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2023-11-30 06:49:12,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 2757 transitions. [2023-11-30 06:49:12,571 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6361329026303646 [2023-11-30 06:49:12,572 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 2757 transitions. [2023-11-30 06:49:12,572 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 2757 transitions. [2023-11-30 06:49:12,575 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:49:12,576 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 2757 transitions. [2023-11-30 06:49:12,583 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 125.31818181818181) internal successors, (2757), 22 states have internal predecessors, (2757), 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 06:49:12,640 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 197.0) internal successors, (4531), 23 states have internal predecessors, (4531), 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 06:49:12,642 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 197.0) internal successors, (4531), 23 states have internal predecessors, (4531), 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 06:49:12,645 INFO L307 CegarLoopForPetriNet]: 155 programPoint places, 15 predicate places. [2023-11-30 06:49:12,645 INFO L500 AbstractCegarLoop]: Abstraction has has 170 places, 286 transitions, 1005 flow [2023-11-30 06:49:12,646 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 116.94117647058823) internal successors, (1988), 17 states have internal predecessors, (1988), 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 06:49:12,646 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:49:12,646 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 06:49:12,646 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 06:49:12,646 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-30 06:49:12,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:49:12,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1494760557, now seen corresponding path program 1 times [2023-11-30 06:49:12,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:49:12,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904273712] [2023-11-30 06:49:12,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:49:12,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:49:12,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:49:13,447 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 06:49:13,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:49:13,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904273712] [2023-11-30 06:49:13,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904273712] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:49:13,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:49:13,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 06:49:13,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071102171] [2023-11-30 06:49:13,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:49:13,450 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 06:49:13,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:49:13,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 06:49:13,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2023-11-30 06:49:13,453 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 197 [2023-11-30 06:49:13,455 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 286 transitions, 1005 flow. Second operand has 20 states, 20 states have (on average 115.75) internal successors, (2315), 20 states have internal predecessors, (2315), 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 06:49:13,455 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:49:13,455 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 197 [2023-11-30 06:49:13,455 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:49:16,978 INFO L124 PetriNetUnfolderBase]: 5566/11950 cut-off events. [2023-11-30 06:49:16,979 INFO L125 PetriNetUnfolderBase]: For 848/4432 co-relation queries the response was YES. [2023-11-30 06:49:16,995 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29894 conditions, 11950 events. 5566/11950 cut-off events. For 848/4432 co-relation queries the response was YES. Maximal size of possible extension queue 450. Compared 105222 event pairs, 1740 based on Foata normal form. 78/10532 useless extension candidates. Maximal degree in co-relation 29327. Up to 5696 conditions per place. [2023-11-30 06:49:17,041 INFO L140 encePairwiseOnDemand]: 168/197 looper letters, 292 selfloop transitions, 141 changer transitions 16/525 dead transitions. [2023-11-30 06:49:17,041 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 525 transitions, 2895 flow [2023-11-30 06:49:17,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-11-30 06:49:17,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2023-11-30 06:49:17,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 5524 transitions. [2023-11-30 06:49:17,053 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6231246474901297 [2023-11-30 06:49:17,053 INFO L72 ComplementDD]: Start complementDD. Operand 45 states and 5524 transitions. [2023-11-30 06:49:17,053 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 5524 transitions. [2023-11-30 06:49:17,055 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:49:17,055 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 45 states and 5524 transitions. [2023-11-30 06:49:17,062 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 46 states, 45 states have (on average 122.75555555555556) internal successors, (5524), 45 states have internal predecessors, (5524), 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 06:49:17,072 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 46 states, 46 states have (on average 197.0) internal successors, (9062), 46 states have internal predecessors, (9062), 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 06:49:17,074 INFO L81 ComplementDD]: Finished complementDD. Result has 46 states, 46 states have (on average 197.0) internal successors, (9062), 46 states have internal predecessors, (9062), 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 06:49:17,074 INFO L307 CegarLoopForPetriNet]: 155 programPoint places, 59 predicate places. [2023-11-30 06:49:17,075 INFO L500 AbstractCegarLoop]: Abstraction has has 214 places, 525 transitions, 2895 flow [2023-11-30 06:49:17,075 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 115.75) internal successors, (2315), 20 states have internal predecessors, (2315), 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 06:49:17,075 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:49:17,076 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 06:49:17,076 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 06:49:17,076 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-30 06:49:17,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:49:17,076 INFO L85 PathProgramCache]: Analyzing trace with hash 2016202063, now seen corresponding path program 2 times [2023-11-30 06:49:17,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:49:17,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032507008] [2023-11-30 06:49:17,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:49:17,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:49:17,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:49:17,811 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 06:49:17,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:49:17,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032507008] [2023-11-30 06:49:17,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032507008] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:49:17,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:49:17,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 06:49:17,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140045476] [2023-11-30 06:49:17,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:49:17,813 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 06:49:17,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:49:17,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 06:49:17,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2023-11-30 06:49:17,815 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 197 [2023-11-30 06:49:17,816 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 525 transitions, 2895 flow. Second operand has 20 states, 20 states have (on average 115.75) internal successors, (2315), 20 states have internal predecessors, (2315), 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 06:49:17,816 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:49:17,816 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 197 [2023-11-30 06:49:17,816 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:49:21,006 INFO L124 PetriNetUnfolderBase]: 6323/14083 cut-off events. [2023-11-30 06:49:21,006 INFO L125 PetriNetUnfolderBase]: For 3101/10283 co-relation queries the response was YES. [2023-11-30 06:49:21,032 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44759 conditions, 14083 events. 6323/14083 cut-off events. For 3101/10283 co-relation queries the response was YES. Maximal size of possible extension queue 522. Compared 130283 event pairs, 1798 based on Foata normal form. 297/12692 useless extension candidates. Maximal degree in co-relation 43830. Up to 6622 conditions per place. [2023-11-30 06:49:21,095 INFO L140 encePairwiseOnDemand]: 168/197 looper letters, 373 selfloop transitions, 202 changer transitions 24/675 dead transitions. [2023-11-30 06:49:21,095 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 675 transitions, 5017 flow [2023-11-30 06:49:21,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-11-30 06:49:21,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2023-11-30 06:49:21,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 5518 transitions. [2023-11-30 06:49:21,106 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6224478285391991 [2023-11-30 06:49:21,106 INFO L72 ComplementDD]: Start complementDD. Operand 45 states and 5518 transitions. [2023-11-30 06:49:21,107 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 5518 transitions. [2023-11-30 06:49:21,109 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:49:21,109 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 45 states and 5518 transitions. [2023-11-30 06:49:21,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 46 states, 45 states have (on average 122.62222222222222) internal successors, (5518), 45 states have internal predecessors, (5518), 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 06:49:21,146 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 46 states, 46 states have (on average 197.0) internal successors, (9062), 46 states have internal predecessors, (9062), 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 06:49:21,148 INFO L81 ComplementDD]: Finished complementDD. Result has 46 states, 46 states have (on average 197.0) internal successors, (9062), 46 states have internal predecessors, (9062), 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 06:49:21,149 INFO L307 CegarLoopForPetriNet]: 155 programPoint places, 103 predicate places. [2023-11-30 06:49:21,149 INFO L500 AbstractCegarLoop]: Abstraction has has 258 places, 675 transitions, 5017 flow [2023-11-30 06:49:21,150 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 115.75) internal successors, (2315), 20 states have internal predecessors, (2315), 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 06:49:21,150 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:49:21,150 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 06:49:21,150 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 06:49:21,150 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-30 06:49:21,151 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:49:21,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1337552017, now seen corresponding path program 3 times [2023-11-30 06:49:21,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:49:21,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787189068] [2023-11-30 06:49:21,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:49:21,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:49:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:49:21,941 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 06:49:21,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:49:21,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787189068] [2023-11-30 06:49:21,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787189068] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:49:21,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:49:21,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 06:49:21,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82753910] [2023-11-30 06:49:21,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:49:21,942 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 06:49:21,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:49:21,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 06:49:21,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2023-11-30 06:49:21,944 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 197 [2023-11-30 06:49:21,945 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 675 transitions, 5017 flow. Second operand has 20 states, 20 states have (on average 115.75) internal successors, (2315), 20 states have internal predecessors, (2315), 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 06:49:21,946 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:49:21,946 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 197 [2023-11-30 06:49:21,946 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:49:25,495 INFO L124 PetriNetUnfolderBase]: 6884/15871 cut-off events. [2023-11-30 06:49:25,495 INFO L125 PetriNetUnfolderBase]: For 7874/23306 co-relation queries the response was YES. [2023-11-30 06:49:25,517 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60601 conditions, 15871 events. 6884/15871 cut-off events. For 7874/23306 co-relation queries the response was YES. Maximal size of possible extension queue 591. Compared 152381 event pairs, 1915 based on Foata normal form. 505/14420 useless extension candidates. Maximal degree in co-relation 59220. Up to 7356 conditions per place. [2023-11-30 06:49:25,590 INFO L140 encePairwiseOnDemand]: 169/197 looper letters, 448 selfloop transitions, 245 changer transitions 32/801 dead transitions. [2023-11-30 06:49:25,590 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 801 transitions, 7493 flow [2023-11-30 06:49:25,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-11-30 06:49:25,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2023-11-30 06:49:25,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 5504 transitions. [2023-11-30 06:49:25,595 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.620868584320361 [2023-11-30 06:49:25,595 INFO L72 ComplementDD]: Start complementDD. Operand 45 states and 5504 transitions. [2023-11-30 06:49:25,595 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 5504 transitions. [2023-11-30 06:49:25,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:49:25,596 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 45 states and 5504 transitions. [2023-11-30 06:49:25,611 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 46 states, 45 states have (on average 122.31111111111112) internal successors, (5504), 45 states have internal predecessors, (5504), 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 06:49:25,620 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 46 states, 46 states have (on average 197.0) internal successors, (9062), 46 states have internal predecessors, (9062), 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 06:49:25,621 INFO L81 ComplementDD]: Finished complementDD. Result has 46 states, 46 states have (on average 197.0) internal successors, (9062), 46 states have internal predecessors, (9062), 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 06:49:25,623 INFO L307 CegarLoopForPetriNet]: 155 programPoint places, 147 predicate places. [2023-11-30 06:49:25,623 INFO L500 AbstractCegarLoop]: Abstraction has has 302 places, 801 transitions, 7493 flow [2023-11-30 06:49:25,623 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 115.75) internal successors, (2315), 20 states have internal predecessors, (2315), 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 06:49:25,623 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:49:25,624 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 06:49:25,624 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 06:49:25,624 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-30 06:49:25,624 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:49:25,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1927127299, now seen corresponding path program 1 times [2023-11-30 06:49:25,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:49:25,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333416346] [2023-11-30 06:49:25,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:49:25,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:49:25,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:49:26,321 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 06:49:26,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:49:26,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333416346] [2023-11-30 06:49:26,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333416346] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:49:26,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:49:26,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 06:49:26,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614729470] [2023-11-30 06:49:26,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:49:26,323 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 06:49:26,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:49:26,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 06:49:26,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2023-11-30 06:49:26,325 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 197 [2023-11-30 06:49:26,326 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 801 transitions, 7493 flow. Second operand has 20 states, 20 states have (on average 115.8) internal successors, (2316), 20 states have internal predecessors, (2316), 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 06:49:26,326 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:49:26,326 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 197 [2023-11-30 06:49:26,326 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:49:31,662 INFO L124 PetriNetUnfolderBase]: 15349/37763 cut-off events. [2023-11-30 06:49:31,663 INFO L125 PetriNetUnfolderBase]: For 32177/58356 co-relation queries the response was YES. [2023-11-30 06:49:31,751 INFO L83 FinitePrefix]: Finished finitePrefix Result has 140778 conditions, 37763 events. 15349/37763 cut-off events. For 32177/58356 co-relation queries the response was YES. Maximal size of possible extension queue 923. Compared 409606 event pairs, 2252 based on Foata normal form. 135/34900 useless extension candidates. Maximal degree in co-relation 137967. Up to 13700 conditions per place. [2023-11-30 06:49:32,060 INFO L140 encePairwiseOnDemand]: 169/197 looper letters, 802 selfloop transitions, 662 changer transitions 43/1651 dead transitions. [2023-11-30 06:49:32,061 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 1651 transitions, 18626 flow [2023-11-30 06:49:32,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-11-30 06:49:32,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2023-11-30 06:49:32,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 5488 transitions. [2023-11-30 06:49:32,068 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6190637337845459 [2023-11-30 06:49:32,068 INFO L72 ComplementDD]: Start complementDD. Operand 45 states and 5488 transitions. [2023-11-30 06:49:32,068 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 5488 transitions. [2023-11-30 06:49:32,070 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:49:32,070 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 45 states and 5488 transitions. [2023-11-30 06:49:32,075 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 46 states, 45 states have (on average 121.95555555555555) internal successors, (5488), 45 states have internal predecessors, (5488), 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 06:49:32,081 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 46 states, 46 states have (on average 197.0) internal successors, (9062), 46 states have internal predecessors, (9062), 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 06:49:32,082 INFO L81 ComplementDD]: Finished complementDD. Result has 46 states, 46 states have (on average 197.0) internal successors, (9062), 46 states have internal predecessors, (9062), 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 06:49:32,085 INFO L307 CegarLoopForPetriNet]: 155 programPoint places, 191 predicate places. [2023-11-30 06:49:32,085 INFO L500 AbstractCegarLoop]: Abstraction has has 346 places, 1651 transitions, 18626 flow [2023-11-30 06:49:32,086 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 115.8) internal successors, (2316), 20 states have internal predecessors, (2316), 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 06:49:32,086 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:49:32,086 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 06:49:32,086 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 06:49:32,086 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-30 06:49:32,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:49:32,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1776076100, now seen corresponding path program 1 times [2023-11-30 06:49:32,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:49:32,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978613664] [2023-11-30 06:49:32,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:49:32,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:49:32,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:49:33,038 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 06:49:33,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:49:33,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978613664] [2023-11-30 06:49:33,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978613664] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:49:33,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:49:33,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-11-30 06:49:33,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604486574] [2023-11-30 06:49:33,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:49:33,039 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-30 06:49:33,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:49:33,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-30 06:49:33,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2023-11-30 06:49:33,041 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 197 [2023-11-30 06:49:33,043 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 346 places, 1651 transitions, 18626 flow. Second operand has 27 states, 27 states have (on average 107.70370370370371) internal successors, (2908), 27 states have internal predecessors, (2908), 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 06:49:33,043 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:49:33,043 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 197 [2023-11-30 06:49:33,043 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:49:47,342 INFO L124 PetriNetUnfolderBase]: 19602/47494 cut-off events. [2023-11-30 06:49:47,342 INFO L125 PetriNetUnfolderBase]: For 66071/104991 co-relation queries the response was YES. [2023-11-30 06:49:47,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 210594 conditions, 47494 events. 19602/47494 cut-off events. For 66071/104991 co-relation queries the response was YES. Maximal size of possible extension queue 1084. Compared 526948 event pairs, 2782 based on Foata normal form. 404/44400 useless extension candidates. Maximal degree in co-relation 206824. Up to 18596 conditions per place. [2023-11-30 06:49:47,660 INFO L140 encePairwiseOnDemand]: 160/197 looper letters, 1896 selfloop transitions, 1191 changer transitions 177/3332 dead transitions. [2023-11-30 06:49:47,660 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 432 places, 3332 transitions, 43540 flow [2023-11-30 06:49:47,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-11-30 06:49:47,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2023-11-30 06:49:47,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 10021 transitions. [2023-11-30 06:49:47,669 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.584689888558259 [2023-11-30 06:49:47,669 INFO L72 ComplementDD]: Start complementDD. Operand 87 states and 10021 transitions. [2023-11-30 06:49:47,669 INFO L73 IsDeterministic]: Start isDeterministic. Operand 87 states and 10021 transitions. [2023-11-30 06:49:47,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:49:47,671 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 87 states and 10021 transitions. [2023-11-30 06:49:47,682 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 88 states, 87 states have (on average 115.183908045977) internal successors, (10021), 87 states have internal predecessors, (10021), 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 06:49:47,696 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 88 states, 88 states have (on average 197.0) internal successors, (17336), 88 states have internal predecessors, (17336), 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 06:49:47,701 INFO L81 ComplementDD]: Finished complementDD. Result has 88 states, 88 states have (on average 197.0) internal successors, (17336), 88 states have internal predecessors, (17336), 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 06:49:47,702 INFO L307 CegarLoopForPetriNet]: 155 programPoint places, 277 predicate places. [2023-11-30 06:49:47,702 INFO L500 AbstractCegarLoop]: Abstraction has has 432 places, 3332 transitions, 43540 flow [2023-11-30 06:49:47,703 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 107.70370370370371) internal successors, (2908), 27 states have internal predecessors, (2908), 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 06:49:47,703 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:49:47,703 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 06:49:47,703 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-30 06:49:47,703 INFO L425 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-30 06:49:47,703 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:49:47,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1119983822, now seen corresponding path program 2 times [2023-11-30 06:49:47,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:49:47,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388965023] [2023-11-30 06:49:47,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:49:47,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:49:47,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:49:48,743 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 06:49:48,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:49:48,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388965023] [2023-11-30 06:49:48,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388965023] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:49:48,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:49:48,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-11-30 06:49:48,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653668598] [2023-11-30 06:49:48,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:49:48,748 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-30 06:49:48,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:49:48,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-30 06:49:48,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2023-11-30 06:49:48,751 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 197 [2023-11-30 06:49:48,752 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 432 places, 3332 transitions, 43540 flow. Second operand has 27 states, 27 states have (on average 107.70370370370371) internal successors, (2908), 27 states have internal predecessors, (2908), 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 06:49:48,753 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:49:48,753 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 197 [2023-11-30 06:49:48,753 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:50:03,250 INFO L124 PetriNetUnfolderBase]: 22102/54461 cut-off events. [2023-11-30 06:50:03,250 INFO L125 PetriNetUnfolderBase]: For 97459/147349 co-relation queries the response was YES. [2023-11-30 06:50:03,522 INFO L83 FinitePrefix]: Finished finitePrefix Result has 277492 conditions, 54461 events. 22102/54461 cut-off events. For 97459/147349 co-relation queries the response was YES. Maximal size of possible extension queue 1258. Compared 624759 event pairs, 3286 based on Foata normal form. 411/51049 useless extension candidates. Maximal degree in co-relation 272385. Up to 21872 conditions per place. [2023-11-30 06:50:03,792 INFO L140 encePairwiseOnDemand]: 161/197 looper letters, 2787 selfloop transitions, 1244 changer transitions 413/4512 dead transitions. [2023-11-30 06:50:03,792 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 492 places, 4512 transitions, 68052 flow [2023-11-30 06:50:03,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-11-30 06:50:03,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2023-11-30 06:50:03,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 7096 transitions. [2023-11-30 06:50:03,799 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5904967962053758 [2023-11-30 06:50:03,799 INFO L72 ComplementDD]: Start complementDD. Operand 61 states and 7096 transitions. [2023-11-30 06:50:03,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61 states and 7096 transitions. [2023-11-30 06:50:03,801 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:50:03,801 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 61 states and 7096 transitions. [2023-11-30 06:50:03,809 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 62 states, 61 states have (on average 116.32786885245902) internal successors, (7096), 61 states have internal predecessors, (7096), 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 06:50:03,819 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 62 states, 62 states have (on average 197.0) internal successors, (12214), 62 states have internal predecessors, (12214), 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 06:50:03,821 INFO L81 ComplementDD]: Finished complementDD. Result has 62 states, 62 states have (on average 197.0) internal successors, (12214), 62 states have internal predecessors, (12214), 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 06:50:03,821 INFO L307 CegarLoopForPetriNet]: 155 programPoint places, 337 predicate places. [2023-11-30 06:50:03,822 INFO L500 AbstractCegarLoop]: Abstraction has has 492 places, 4512 transitions, 68052 flow [2023-11-30 06:50:03,823 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 107.70370370370371) internal successors, (2908), 27 states have internal predecessors, (2908), 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 06:50:03,823 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:50:03,823 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 06:50:03,823 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-30 06:50:03,823 INFO L425 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-30 06:50:03,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:50:03,823 INFO L85 PathProgramCache]: Analyzing trace with hash 2126258609, now seen corresponding path program 1 times [2023-11-30 06:50:03,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:50:03,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108143214] [2023-11-30 06:50:03,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:50:03,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:50:03,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:50:04,942 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 06:50:04,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:50:04,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108143214] [2023-11-30 06:50:04,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108143214] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:50:04,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:50:04,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-11-30 06:50:04,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681389620] [2023-11-30 06:50:04,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:50:04,943 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-30 06:50:04,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:50:04,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-30 06:50:04,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=641, Unknown=0, NotChecked=0, Total=702 [2023-11-30 06:50:04,945 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 197 [2023-11-30 06:50:04,946 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 492 places, 4512 transitions, 68052 flow. Second operand has 27 states, 27 states have (on average 107.70370370370371) internal successors, (2908), 27 states have internal predecessors, (2908), 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 06:50:04,946 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:50:04,946 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 197 [2023-11-30 06:50:04,946 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:50:22,493 INFO L124 PetriNetUnfolderBase]: 24178/58786 cut-off events. [2023-11-30 06:50:22,494 INFO L125 PetriNetUnfolderBase]: For 142004/208968 co-relation queries the response was YES. [2023-11-30 06:50:22,685 INFO L83 FinitePrefix]: Finished finitePrefix Result has 343438 conditions, 58786 events. 24178/58786 cut-off events. For 142004/208968 co-relation queries the response was YES. Maximal size of possible extension queue 1410. Compared 680905 event pairs, 4737 based on Foata normal form. 324/55028 useless extension candidates. Maximal degree in co-relation 336745. Up to 25997 conditions per place. [2023-11-30 06:50:23,005 INFO L140 encePairwiseOnDemand]: 160/197 looper letters, 3525 selfloop transitions, 1167 changer transitions 490/5250 dead transitions. [2023-11-30 06:50:23,005 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 557 places, 5250 transitions, 89439 flow [2023-11-30 06:50:23,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2023-11-30 06:50:23,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2023-11-30 06:50:23,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 7590 transitions. [2023-11-30 06:50:23,024 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.583756345177665 [2023-11-30 06:50:23,024 INFO L72 ComplementDD]: Start complementDD. Operand 66 states and 7590 transitions. [2023-11-30 06:50:23,024 INFO L73 IsDeterministic]: Start isDeterministic. Operand 66 states and 7590 transitions. [2023-11-30 06:50:23,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:50:23,026 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 66 states and 7590 transitions. [2023-11-30 06:50:23,041 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 67 states, 66 states have (on average 115.0) internal successors, (7590), 66 states have internal predecessors, (7590), 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 06:50:23,050 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 67 states, 67 states have (on average 197.0) internal successors, (13199), 67 states have internal predecessors, (13199), 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 06:50:23,051 INFO L81 ComplementDD]: Finished complementDD. Result has 67 states, 67 states have (on average 197.0) internal successors, (13199), 67 states have internal predecessors, (13199), 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 06:50:23,051 INFO L307 CegarLoopForPetriNet]: 155 programPoint places, 402 predicate places. [2023-11-30 06:50:23,052 INFO L500 AbstractCegarLoop]: Abstraction has has 557 places, 5250 transitions, 89439 flow [2023-11-30 06:50:23,052 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 107.70370370370371) internal successors, (2908), 27 states have internal predecessors, (2908), 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 06:50:23,052 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:50:23,052 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 06:50:23,052 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-30 06:50:23,052 INFO L425 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-30 06:50:23,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:50:23,053 INFO L85 PathProgramCache]: Analyzing trace with hash 499643181, now seen corresponding path program 2 times [2023-11-30 06:50:23,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:50:23,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956681040] [2023-11-30 06:50:23,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:50:23,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:50:23,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:50:23,763 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 06:50:23,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:50:23,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956681040] [2023-11-30 06:50:23,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956681040] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:50:23,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:50:23,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-11-30 06:50:23,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620925591] [2023-11-30 06:50:23,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:50:23,764 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 06:50:23,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:50:23,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 06:50:23,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2023-11-30 06:50:23,766 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 197 [2023-11-30 06:50:23,767 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 557 places, 5250 transitions, 89439 flow. Second operand has 20 states, 20 states have (on average 127.65) internal successors, (2553), 20 states have internal predecessors, (2553), 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 06:50:23,767 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:50:23,767 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 197 [2023-11-30 06:50:23,767 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:50:42,383 INFO L124 PetriNetUnfolderBase]: 27107/64059 cut-off events. [2023-11-30 06:50:42,383 INFO L125 PetriNetUnfolderBase]: For 195122/319604 co-relation queries the response was YES. [2023-11-30 06:50:42,535 INFO L83 FinitePrefix]: Finished finitePrefix Result has 418041 conditions, 64059 events. 27107/64059 cut-off events. For 195122/319604 co-relation queries the response was YES. Maximal size of possible extension queue 1582. Compared 740313 event pairs, 5855 based on Foata normal form. 802/60475 useless extension candidates. Maximal degree in co-relation 411020. Up to 29271 conditions per place. [2023-11-30 06:50:42,951 INFO L140 encePairwiseOnDemand]: 170/197 looper letters, 4440 selfloop transitions, 1537 changer transitions 509/6978 dead transitions. [2023-11-30 06:50:42,951 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 603 places, 6978 transitions, 132473 flow [2023-11-30 06:50:42,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-11-30 06:50:42,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2023-11-30 06:50:42,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 6504 transitions. [2023-11-30 06:50:42,956 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7024516686467221 [2023-11-30 06:50:42,956 INFO L72 ComplementDD]: Start complementDD. Operand 47 states and 6504 transitions. [2023-11-30 06:50:42,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 6504 transitions. [2023-11-30 06:50:42,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:50:42,958 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 47 states and 6504 transitions. [2023-11-30 06:50:42,963 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 48 states, 47 states have (on average 138.38297872340425) internal successors, (6504), 47 states have internal predecessors, (6504), 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 06:50:42,968 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 48 states, 48 states have (on average 197.0) internal successors, (9456), 48 states have internal predecessors, (9456), 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 06:50:42,968 INFO L81 ComplementDD]: Finished complementDD. Result has 48 states, 48 states have (on average 197.0) internal successors, (9456), 48 states have internal predecessors, (9456), 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 06:50:42,969 INFO L307 CegarLoopForPetriNet]: 155 programPoint places, 448 predicate places. [2023-11-30 06:50:42,969 INFO L500 AbstractCegarLoop]: Abstraction has has 603 places, 6978 transitions, 132473 flow [2023-11-30 06:50:42,970 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 127.65) internal successors, (2553), 20 states have internal predecessors, (2553), 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 06:50:42,970 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:50:42,970 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 06:50:42,970 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-30 06:50:42,970 INFO L425 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-30 06:50:42,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:50:42,970 INFO L85 PathProgramCache]: Analyzing trace with hash 44679963, now seen corresponding path program 3 times [2023-11-30 06:50:42,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:50:42,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576028990] [2023-11-30 06:50:42,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:50:42,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:50:43,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:50:43,520 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 06:50:43,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:50:43,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576028990] [2023-11-30 06:50:43,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576028990] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:50:43,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:50:43,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-11-30 06:50:43,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053734173] [2023-11-30 06:50:43,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:50:43,521 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 06:50:43,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:50:43,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 06:50:43,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2023-11-30 06:50:43,523 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 197 [2023-11-30 06:50:43,524 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 603 places, 6978 transitions, 132473 flow. Second operand has 20 states, 20 states have (on average 127.65) internal successors, (2553), 20 states have internal predecessors, (2553), 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 06:50:43,524 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:50:43,524 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 197 [2023-11-30 06:50:43,524 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:51:21,963 INFO L124 PetriNetUnfolderBase]: 42403/99125 cut-off events. [2023-11-30 06:51:21,963 INFO L125 PetriNetUnfolderBase]: For 359492/648466 co-relation queries the response was YES. [2023-11-30 06:51:22,224 INFO L83 FinitePrefix]: Finished finitePrefix Result has 712912 conditions, 99125 events. 42403/99125 cut-off events. For 359492/648466 co-relation queries the response was YES. Maximal size of possible extension queue 2470. Compared 1207977 event pairs, 7014 based on Foata normal form. 1053/92441 useless extension candidates. Maximal degree in co-relation 702686. Up to 47254 conditions per place. [2023-11-30 06:51:22,889 INFO L140 encePairwiseOnDemand]: 170/197 looper letters, 6351 selfloop transitions, 1867 changer transitions 724/9434 dead transitions. [2023-11-30 06:51:22,890 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 654 places, 9434 transitions, 198041 flow [2023-11-30 06:51:22,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-11-30 06:51:22,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2023-11-30 06:51:22,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 7294 transitions. [2023-11-30 06:51:22,897 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.712026552128075 [2023-11-30 06:51:22,897 INFO L72 ComplementDD]: Start complementDD. Operand 52 states and 7294 transitions. [2023-11-30 06:51:22,897 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 7294 transitions. [2023-11-30 06:51:22,898 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:51:22,898 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 52 states and 7294 transitions. [2023-11-30 06:51:22,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 53 states, 52 states have (on average 140.26923076923077) internal successors, (7294), 52 states have internal predecessors, (7294), 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 06:51:22,909 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 53 states, 53 states have (on average 197.0) internal successors, (10441), 53 states have internal predecessors, (10441), 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 06:51:22,910 INFO L81 ComplementDD]: Finished complementDD. Result has 53 states, 53 states have (on average 197.0) internal successors, (10441), 53 states have internal predecessors, (10441), 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 06:51:22,910 INFO L307 CegarLoopForPetriNet]: 155 programPoint places, 499 predicate places. [2023-11-30 06:51:22,910 INFO L500 AbstractCegarLoop]: Abstraction has has 654 places, 9434 transitions, 198041 flow [2023-11-30 06:51:22,911 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 127.65) internal successors, (2553), 20 states have internal predecessors, (2553), 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 06:51:22,911 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:51:22,911 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 06:51:22,911 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-30 06:51:22,911 INFO L425 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-30 06:51:22,911 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:51:22,911 INFO L85 PathProgramCache]: Analyzing trace with hash -271322758, now seen corresponding path program 1 times [2023-11-30 06:51:22,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:51:22,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274277724] [2023-11-30 06:51:22,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:51:22,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:51:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:51:23,973 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 06:51:23,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:51:23,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274277724] [2023-11-30 06:51:23,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274277724] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:51:23,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:51:23,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-11-30 06:51:23,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805452103] [2023-11-30 06:51:23,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:51:23,974 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-30 06:51:23,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:51:23,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-30 06:51:23,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=641, Unknown=0, NotChecked=0, Total=702 [2023-11-30 06:51:23,976 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 197 [2023-11-30 06:51:23,977 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 654 places, 9434 transitions, 198041 flow. Second operand has 27 states, 27 states have (on average 107.70370370370371) internal successors, (2908), 27 states have internal predecessors, (2908), 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 06:51:23,978 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:51:23,978 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 197 [2023-11-30 06:51:23,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:52:29,669 INFO L124 PetriNetUnfolderBase]: 46189/106376 cut-off events. [2023-11-30 06:52:29,669 INFO L125 PetriNetUnfolderBase]: For 481090/811719 co-relation queries the response was YES. [2023-11-30 06:52:29,950 INFO L83 FinitePrefix]: Finished finitePrefix Result has 851203 conditions, 106376 events. 46189/106376 cut-off events. For 481090/811719 co-relation queries the response was YES. Maximal size of possible extension queue 2649. Compared 1300580 event pairs, 8876 based on Foata normal form. 1510/99775 useless extension candidates. Maximal degree in co-relation 837802. Up to 50938 conditions per place. [2023-11-30 06:52:31,199 INFO L140 encePairwiseOnDemand]: 159/197 looper letters, 6512 selfloop transitions, 3534 changer transitions 818/10932 dead transitions. [2023-11-30 06:52:31,200 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 753 places, 10932 transitions, 247493 flow [2023-11-30 06:52:31,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2023-11-30 06:52:31,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2023-11-30 06:52:31,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 11459 transitions. [2023-11-30 06:52:31,211 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5816751269035533 [2023-11-30 06:52:31,211 INFO L72 ComplementDD]: Start complementDD. Operand 100 states and 11459 transitions. [2023-11-30 06:52:31,211 INFO L73 IsDeterministic]: Start isDeterministic. Operand 100 states and 11459 transitions. [2023-11-30 06:52:31,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:52:31,215 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 100 states and 11459 transitions. [2023-11-30 06:52:31,240 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 101 states, 100 states have (on average 114.59) internal successors, (11459), 100 states have internal predecessors, (11459), 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 06:52:31,252 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 101 states, 101 states have (on average 197.0) internal successors, (19897), 101 states have internal predecessors, (19897), 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 06:52:31,253 INFO L81 ComplementDD]: Finished complementDD. Result has 101 states, 101 states have (on average 197.0) internal successors, (19897), 101 states have internal predecessors, (19897), 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 06:52:31,254 INFO L307 CegarLoopForPetriNet]: 155 programPoint places, 598 predicate places. [2023-11-30 06:52:31,254 INFO L500 AbstractCegarLoop]: Abstraction has has 753 places, 10932 transitions, 247493 flow [2023-11-30 06:52:31,254 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 107.70370370370371) internal successors, (2908), 27 states have internal predecessors, (2908), 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 06:52:31,254 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:52:31,254 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 06:52:31,254 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-30 06:52:31,254 INFO L425 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-30 06:52:31,255 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:52:31,255 INFO L85 PathProgramCache]: Analyzing trace with hash 672837481, now seen corresponding path program 4 times [2023-11-30 06:52:31,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:52:31,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424919389] [2023-11-30 06:52:31,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:52:31,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:52:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:52:32,071 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 06:52:32,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:52:32,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424919389] [2023-11-30 06:52:32,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424919389] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:52:32,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:52:32,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-11-30 06:52:32,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013751817] [2023-11-30 06:52:32,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:52:32,072 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 06:52:32,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:52:32,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 06:52:32,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2023-11-30 06:52:32,163 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 197 [2023-11-30 06:52:32,164 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 753 places, 10932 transitions, 247493 flow. Second operand has 20 states, 20 states have (on average 127.65) internal successors, (2553), 20 states have internal predecessors, (2553), 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 06:52:32,164 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:52:32,164 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 197 [2023-11-30 06:52:32,164 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:53:39,809 INFO L124 PetriNetUnfolderBase]: 42615/99176 cut-off events. [2023-11-30 06:53:39,809 INFO L125 PetriNetUnfolderBase]: For 534110/822884 co-relation queries the response was YES. [2023-11-30 06:53:40,079 INFO L83 FinitePrefix]: Finished finitePrefix Result has 849549 conditions, 99176 events. 42615/99176 cut-off events. For 534110/822884 co-relation queries the response was YES. Maximal size of possible extension queue 2564. Compared 1211427 event pairs, 7303 based on Foata normal form. 1110/93137 useless extension candidates. Maximal degree in co-relation 835372. Up to 47000 conditions per place. [2023-11-30 06:53:41,009 INFO L140 encePairwiseOnDemand]: 170/197 looper letters, 7874 selfloop transitions, 2278 changer transitions 766/11479 dead transitions. [2023-11-30 06:53:41,009 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 803 places, 11479 transitions, 281713 flow [2023-11-30 06:53:41,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-11-30 06:53:41,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2023-11-30 06:53:41,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 7166 transitions. [2023-11-30 06:53:41,013 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7132477356424803 [2023-11-30 06:53:41,013 INFO L72 ComplementDD]: Start complementDD. Operand 51 states and 7166 transitions. [2023-11-30 06:53:41,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 7166 transitions. [2023-11-30 06:53:41,031 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:53:41,032 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 51 states and 7166 transitions. [2023-11-30 06:53:41,037 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 52 states, 51 states have (on average 140.50980392156862) internal successors, (7166), 51 states have internal predecessors, (7166), 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 06:53:41,042 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 52 states, 52 states have (on average 197.0) internal successors, (10244), 52 states have internal predecessors, (10244), 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 06:53:41,043 INFO L81 ComplementDD]: Finished complementDD. Result has 52 states, 52 states have (on average 197.0) internal successors, (10244), 52 states have internal predecessors, (10244), 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 06:53:41,043 INFO L307 CegarLoopForPetriNet]: 155 programPoint places, 648 predicate places. [2023-11-30 06:53:41,043 INFO L500 AbstractCegarLoop]: Abstraction has has 803 places, 11479 transitions, 281713 flow [2023-11-30 06:53:41,043 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 127.65) internal successors, (2553), 20 states have internal predecessors, (2553), 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 06:53:41,044 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:53:41,044 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 06:53:41,044 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-30 06:53:41,060 INFO L425 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-30 06:53:41,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:53:41,060 INFO L85 PathProgramCache]: Analyzing trace with hash -748146437, now seen corresponding path program 5 times [2023-11-30 06:53:41,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:53:41,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852192865] [2023-11-30 06:53:41,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:53:41,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:53:41,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:53:41,538 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 06:53:41,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:53:41,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852192865] [2023-11-30 06:53:41,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852192865] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:53:41,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:53:41,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-11-30 06:53:41,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872045714] [2023-11-30 06:53:41,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:53:41,539 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 06:53:41,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:53:41,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 06:53:41,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2023-11-30 06:53:41,541 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 197 [2023-11-30 06:53:41,543 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 803 places, 11479 transitions, 281713 flow. Second operand has 20 states, 20 states have (on average 127.65) internal successors, (2553), 20 states have internal predecessors, (2553), 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 06:53:41,543 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:53:41,543 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 197 [2023-11-30 06:53:41,543 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:55:05,470 INFO L124 PetriNetUnfolderBase]: 44499/103788 cut-off events. [2023-11-30 06:55:05,470 INFO L125 PetriNetUnfolderBase]: For 671610/984903 co-relation queries the response was YES. [2023-11-30 06:55:05,761 INFO L83 FinitePrefix]: Finished finitePrefix Result has 952033 conditions, 103788 events. 44499/103788 cut-off events. For 671610/984903 co-relation queries the response was YES. Maximal size of possible extension queue 2624. Compared 1275147 event pairs, 7254 based on Foata normal form. 1211/97481 useless extension candidates. Maximal degree in co-relation 937083. Up to 49184 conditions per place. [2023-11-30 06:55:06,762 INFO L140 encePairwiseOnDemand]: 170/197 looper letters, 8754 selfloop transitions, 2410 changer transitions 766/12491 dead transitions. [2023-11-30 06:55:06,762 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 855 places, 12491 transitions, 331056 flow [2023-11-30 06:55:06,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-11-30 06:55:06,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2023-11-30 06:55:06,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 7418 transitions. [2023-11-30 06:55:06,774 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7104683459438751 [2023-11-30 06:55:06,775 INFO L72 ComplementDD]: Start complementDD. Operand 53 states and 7418 transitions. [2023-11-30 06:55:06,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53 states and 7418 transitions. [2023-11-30 06:55:06,787 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:55:06,787 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 53 states and 7418 transitions. [2023-11-30 06:55:06,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 54 states, 53 states have (on average 139.96226415094338) internal successors, (7418), 53 states have internal predecessors, (7418), 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 06:55:06,813 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 54 states, 54 states have (on average 197.0) internal successors, (10638), 54 states have internal predecessors, (10638), 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 06:55:06,814 INFO L81 ComplementDD]: Finished complementDD. Result has 54 states, 54 states have (on average 197.0) internal successors, (10638), 54 states have internal predecessors, (10638), 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 06:55:06,815 INFO L307 CegarLoopForPetriNet]: 155 programPoint places, 700 predicate places. [2023-11-30 06:55:06,815 INFO L500 AbstractCegarLoop]: Abstraction has has 855 places, 12491 transitions, 331056 flow [2023-11-30 06:55:06,815 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 127.65) internal successors, (2553), 20 states have internal predecessors, (2553), 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 06:55:06,815 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:55:06,815 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 06:55:06,815 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-30 06:55:06,815 INFO L425 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-30 06:55:06,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:55:06,816 INFO L85 PathProgramCache]: Analyzing trace with hash 989027787, now seen corresponding path program 6 times [2023-11-30 06:55:06,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:55:06,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689395039] [2023-11-30 06:55:06,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:55:06,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:55:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:55:07,291 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 06:55:07,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:55:07,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689395039] [2023-11-30 06:55:07,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689395039] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:55:07,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:55:07,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-11-30 06:55:07,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287172203] [2023-11-30 06:55:07,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:55:07,292 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 06:55:07,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:55:07,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 06:55:07,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2023-11-30 06:55:07,294 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 197 [2023-11-30 06:55:07,295 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 855 places, 12491 transitions, 331056 flow. Second operand has 20 states, 20 states have (on average 127.65) internal successors, (2553), 20 states have internal predecessors, (2553), 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 06:55:07,295 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:55:07,295 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 197 [2023-11-30 06:55:07,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:56:53,576 INFO L124 PetriNetUnfolderBase]: 45963/107575 cut-off events. [2023-11-30 06:56:53,576 INFO L125 PetriNetUnfolderBase]: For 802337/1155207 co-relation queries the response was YES. [2023-11-30 06:56:54,131 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1051400 conditions, 107575 events. 45963/107575 cut-off events. For 802337/1155207 co-relation queries the response was YES. Maximal size of possible extension queue 2713. Compared 1331517 event pairs, 7059 based on Foata normal form. 1403/101258 useless extension candidates. Maximal degree in co-relation 1035674. Up to 50900 conditions per place. [2023-11-30 06:56:55,138 INFO L140 encePairwiseOnDemand]: 171/197 looper letters, 9297 selfloop transitions, 2703 changer transitions 766/13327 dead transitions. [2023-11-30 06:56:55,138 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 908 places, 13327 transitions, 379351 flow [2023-11-30 06:56:55,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-11-30 06:56:55,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2023-11-30 06:56:55,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 7502 transitions. [2023-11-30 06:56:55,142 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7052077458168828 [2023-11-30 06:56:55,142 INFO L72 ComplementDD]: Start complementDD. Operand 54 states and 7502 transitions. [2023-11-30 06:56:55,142 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 7502 transitions. [2023-11-30 06:56:55,160 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:56:55,161 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 54 states and 7502 transitions. [2023-11-30 06:56:55,166 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 55 states, 54 states have (on average 138.92592592592592) internal successors, (7502), 54 states have internal predecessors, (7502), 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 06:56:55,171 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 55 states, 55 states have (on average 197.0) internal successors, (10835), 55 states have internal predecessors, (10835), 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 06:56:55,171 INFO L81 ComplementDD]: Finished complementDD. Result has 55 states, 55 states have (on average 197.0) internal successors, (10835), 55 states have internal predecessors, (10835), 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 06:56:55,172 INFO L307 CegarLoopForPetriNet]: 155 programPoint places, 753 predicate places. [2023-11-30 06:56:55,172 INFO L500 AbstractCegarLoop]: Abstraction has has 908 places, 13327 transitions, 379351 flow [2023-11-30 06:56:55,172 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 127.65) internal successors, (2553), 20 states have internal predecessors, (2553), 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 06:56:55,172 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:56:55,172 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 06:56:55,172 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-30 06:56:55,172 INFO L425 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-30 06:56:55,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:56:55,173 INFO L85 PathProgramCache]: Analyzing trace with hash -605294055, now seen corresponding path program 7 times [2023-11-30 06:56:55,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:56:55,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538227415] [2023-11-30 06:56:55,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:56:55,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:56:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:56:55,858 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 06:56:55,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:56:55,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538227415] [2023-11-30 06:56:55,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538227415] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:56:55,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:56:55,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-11-30 06:56:55,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950086494] [2023-11-30 06:56:55,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:56:55,859 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 06:56:55,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:56:55,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 06:56:55,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-11-30 06:56:55,860 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 197 [2023-11-30 06:56:55,861 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 908 places, 13327 transitions, 379351 flow. Second operand has 20 states, 20 states have (on average 127.65) internal successors, (2553), 20 states have internal predecessors, (2553), 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 06:56:55,861 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:56:55,861 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 197 [2023-11-30 06:56:55,861 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:59:21,714 INFO L124 PetriNetUnfolderBase]: 55920/128438 cut-off events. [2023-11-30 06:59:21,715 INFO L125 PetriNetUnfolderBase]: For 1102305/1755033 co-relation queries the response was YES. [2023-11-30 06:59:22,128 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1363498 conditions, 128438 events. 55920/128438 cut-off events. For 1102305/1755033 co-relation queries the response was YES. Maximal size of possible extension queue 3425. Compared 1616203 event pairs, 9271 based on Foata normal form. 981/119775 useless extension candidates. Maximal degree in co-relation 1343489. Up to 62857 conditions per place. [2023-11-30 06:59:23,606 INFO L140 encePairwiseOnDemand]: 170/197 looper letters, 11080 selfloop transitions, 2799 changer transitions 882/15322 dead transitions. [2023-11-30 06:59:23,606 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 966 places, 15322 transitions, 466353 flow [2023-11-30 06:59:23,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-11-30 06:59:23,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2023-11-30 06:59:23,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 8246 transitions. [2023-11-30 06:59:23,628 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7094553901746538 [2023-11-30 06:59:23,628 INFO L72 ComplementDD]: Start complementDD. Operand 59 states and 8246 transitions. [2023-11-30 06:59:23,628 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 8246 transitions. [2023-11-30 06:59:23,629 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:59:23,629 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 59 states and 8246 transitions. [2023-11-30 06:59:23,634 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 60 states, 59 states have (on average 139.76271186440678) internal successors, (8246), 59 states have internal predecessors, (8246), 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 06:59:23,639 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 60 states, 60 states have (on average 197.0) internal successors, (11820), 60 states have internal predecessors, (11820), 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 06:59:23,639 INFO L81 ComplementDD]: Finished complementDD. Result has 60 states, 60 states have (on average 197.0) internal successors, (11820), 60 states have internal predecessors, (11820), 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 06:59:23,639 INFO L307 CegarLoopForPetriNet]: 155 programPoint places, 811 predicate places. [2023-11-30 06:59:23,640 INFO L500 AbstractCegarLoop]: Abstraction has has 966 places, 15322 transitions, 466353 flow [2023-11-30 06:59:23,656 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 127.65) internal successors, (2553), 20 states have internal predecessors, (2553), 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 06:59:23,656 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:59:23,656 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 06:59:23,656 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-30 06:59:23,656 INFO L425 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-30 06:59:23,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:59:23,657 INFO L85 PathProgramCache]: Analyzing trace with hash 342707258, now seen corresponding path program 2 times [2023-11-30 06:59:23,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:59:23,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175085753] [2023-11-30 06:59:23,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:59:23,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:59:23,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:59:24,283 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 06:59:24,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:59:24,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175085753] [2023-11-30 06:59:24,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175085753] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:59:24,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:59:24,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-11-30 06:59:24,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773889739] [2023-11-30 06:59:24,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:59:24,284 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 06:59:24,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:59:24,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 06:59:24,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2023-11-30 06:59:24,286 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 197 [2023-11-30 06:59:24,287 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 966 places, 15322 transitions, 466353 flow. Second operand has 20 states, 20 states have (on average 127.65) internal successors, (2553), 20 states have internal predecessors, (2553), 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 06:59:24,287 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:59:24,287 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 197 [2023-11-30 06:59:24,287 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2023-11-30 07:02:21,925 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-30 07:02:22,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-11-30 07:02:22,363 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-30 07:02:22,364 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-30 07:02:22,364 WARN L624 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (20states, 126/197 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 1319097 conditions, 115767 events (51406/115766 cut-off events. For 1154855/1890561 co-relation queries the response was YES. Maximal size of possible extension queue 3476. Compared 1465088 event pairs, 8950 based on Foata normal form. 2698/111386 useless extension candidates. Maximal degree in co-relation 1300768. Up to 62184 conditions per place.). [2023-11-30 07:02:22,365 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2023-11-30 07:02:22,365 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 8 remaining) [2023-11-30 07:02:22,365 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-30 07:02:22,365 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-30 07:02:22,366 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-30 07:02:22,366 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-30 07:02:22,366 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-30 07:02:22,366 INFO L457 BasicCegarLoop]: Path program histogram: [7, 3, 2, 2, 1, 1] [2023-11-30 07:02:22,370 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 07:02:22,370 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 07:02:22,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 07:02:22 BasicIcfg [2023-11-30 07:02:22,373 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 07:02:22,373 INFO L158 Benchmark]: Toolchain (without parser) took 795366.16ms. Allocated memory was 385.9MB in the beginning and 8.8GB in the end (delta: 8.5GB). Free memory was 343.7MB in the beginning and 4.4GB in the end (delta: -4.1GB). Peak memory consumption was 5.2GB. Max. memory is 16.0GB. [2023-11-30 07:02:22,373 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 385.9MB. Free memory is still 342.3MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 07:02:22,374 INFO L158 Benchmark]: CACSL2BoogieTranslator took 796.33ms. Allocated memory was 385.9MB in the beginning and 551.6MB in the end (delta: 165.7MB). Free memory was 343.3MB in the beginning and 517.5MB in the end (delta: -174.2MB). Peak memory consumption was 62.2MB. Max. memory is 16.0GB. [2023-11-30 07:02:22,374 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.81ms. Allocated memory is still 551.6MB. Free memory was 517.5MB in the beginning and 514.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-11-30 07:02:22,374 INFO L158 Benchmark]: Boogie Preprocessor took 28.15ms. Allocated memory is still 551.6MB. Free memory was 514.4MB in the beginning and 511.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 07:02:22,374 INFO L158 Benchmark]: RCFGBuilder took 589.55ms. Allocated memory is still 551.6MB. Free memory was 511.2MB in the beginning and 474.5MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.0GB. [2023-11-30 07:02:22,374 INFO L158 Benchmark]: TraceAbstraction took 793902.97ms. Allocated memory was 551.6MB in the beginning and 8.8GB in the end (delta: 8.3GB). Free memory was 474.5MB in the beginning and 4.4GB in the end (delta: -4.0GB). Peak memory consumption was 5.1GB. Max. memory is 16.0GB. [2023-11-30 07:02:22,375 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 385.9MB. Free memory is still 342.3MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 796.33ms. Allocated memory was 385.9MB in the beginning and 551.6MB in the end (delta: 165.7MB). Free memory was 343.3MB in the beginning and 517.5MB in the end (delta: -174.2MB). Peak memory consumption was 62.2MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 43.81ms. Allocated memory is still 551.6MB. Free memory was 517.5MB in the beginning and 514.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 28.15ms. Allocated memory is still 551.6MB. Free memory was 514.4MB in the beginning and 511.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 589.55ms. Allocated memory is still 551.6MB. Free memory was 511.2MB in the beginning and 474.5MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.0GB. * TraceAbstraction took 793902.97ms. Allocated memory was 551.6MB in the beginning and 8.8GB in the end (delta: 8.3GB). Free memory was 474.5MB in the beginning and 4.4GB in the end (delta: -4.0GB). Peak memory consumption was 5.1GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1700]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (20states, 126/197 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 1319097 conditions, 115767 events (51406/115766 cut-off events. For 1154855/1890561 co-relation queries the response was YES. Maximal size of possible extension queue 3476. Compared 1465088 event pairs, 8950 based on Foata normal form. 2698/111386 useless extension candidates. Maximal degree in co-relation 1300768. Up to 62184 conditions per place.). - TimeoutResultAtElement [Line: 1713]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (20states, 126/197 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 1319097 conditions, 115767 events (51406/115766 cut-off events. For 1154855/1890561 co-relation queries the response was YES. Maximal size of possible extension queue 3476. Compared 1465088 event pairs, 8950 based on Foata normal form. 2698/111386 useless extension candidates. Maximal degree in co-relation 1300768. Up to 62184 conditions per place.). - TimeoutResultAtElement [Line: 1714]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (20states, 126/197 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 1319097 conditions, 115767 events (51406/115766 cut-off events. For 1154855/1890561 co-relation queries the response was YES. Maximal size of possible extension queue 3476. Compared 1465088 event pairs, 8950 based on Foata normal form. 2698/111386 useless extension candidates. Maximal degree in co-relation 1300768. Up to 62184 conditions per place.). - TimeoutResultAtElement [Line: 1700]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (20states, 126/197 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 1319097 conditions, 115767 events (51406/115766 cut-off events. For 1154855/1890561 co-relation queries the response was YES. Maximal size of possible extension queue 3476. Compared 1465088 event pairs, 8950 based on Foata normal form. 2698/111386 useless extension candidates. Maximal degree in co-relation 1300768. Up to 62184 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 209 locations, 8 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: 793.8s, OverallIterations: 16, TraceHistogramMax: 1, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 780.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16261 SdHoareTripleChecker+Valid, 18.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16261 mSDsluCounter, 15312 SdHoareTripleChecker+Invalid, 15.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14012 mSDsCounter, 379 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 36229 IncrementalHoareTripleChecker+Invalid, 36608 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 379 mSolverCounterUnsat, 1300 mSDtfsCounter, 36229 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1168 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 1122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22876 ImplicationChecksByTransitivity, 38.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=466353occurred in iteration=15, InterpolantAutomatonStates: 832, 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, 0.3s SatisfiabilityAnalysisTime, 12.5s InterpolantComputationTime, 1056 NumberOfCodeBlocks, 1056 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1040 ConstructedInterpolants, 0 QuantifiedInterpolants, 10362 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown