/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_5-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 06:49:32,202 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 06:49:32,269 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 06:49:32,294 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 06:49:32,295 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 06:49:32,296 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 06:49:32,296 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 06:49:32,296 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 06:49:32,297 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 06:49:32,300 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 06:49:32,300 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 06:49:32,300 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 06:49:32,300 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 06:49:32,301 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 06:49:32,301 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 06:49:32,302 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 06:49:32,302 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 06:49:32,302 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 06:49:32,302 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 06:49:32,302 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 06:49:32,302 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 06:49:32,303 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 06:49:32,303 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 06:49:32,303 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 06:49:32,303 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 06:49:32,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 06:49:32,303 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 06:49:32,304 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 06:49:32,304 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 06:49:32,304 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 06:49:32,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 06:49:32,305 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 06:49:32,305 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 06:49:32,305 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-11-30 06:49:32,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 06:49:32,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 06:49:32,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 06:49:32,509 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 06:49:32,509 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 06:49:32,510 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2023-11-30 06:49:33,627 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 06:49:33,866 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 06:49:33,866 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2023-11-30 06:49:33,880 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/252c16c69/ad6ff24248c549bcaf95257e6d11c68c/FLAGde0ca173e [2023-11-30 06:49:33,890 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/252c16c69/ad6ff24248c549bcaf95257e6d11c68c [2023-11-30 06:49:33,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 06:49:33,893 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 06:49:33,895 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 06:49:33,895 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 06:49:33,898 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 06:49:33,898 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:49:33" (1/1) ... [2023-11-30 06:49:33,899 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53338d89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:49:33, skipping insertion in model container [2023-11-30 06:49:33,900 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:49:33" (1/1) ... [2023-11-30 06:49:33,942 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 06:49:34,401 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 06:49:34,412 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 06:49:34,467 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 06:49:34,578 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 06:49:34,579 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 06:49:34,584 INFO L206 MainTranslator]: Completed translation [2023-11-30 06:49:34,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:49:34 WrapperNode [2023-11-30 06:49:34,584 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 06:49:34,585 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 06:49:34,585 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 06:49:34,585 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 06:49:34,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:49:34" (1/1) ... [2023-11-30 06:49:34,613 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:49:34" (1/1) ... [2023-11-30 06:49:34,638 INFO L138 Inliner]: procedures = 469, calls = 64, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 162 [2023-11-30 06:49:34,639 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 06:49:34,639 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 06:49:34,639 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 06:49:34,639 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 06:49:34,645 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:49:34" (1/1) ... [2023-11-30 06:49:34,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:49:34" (1/1) ... [2023-11-30 06:49:34,648 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:49:34" (1/1) ... [2023-11-30 06:49:34,648 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:49:34" (1/1) ... [2023-11-30 06:49:34,659 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:49:34" (1/1) ... [2023-11-30 06:49:34,660 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:49:34" (1/1) ... [2023-11-30 06:49:34,663 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:49:34" (1/1) ... [2023-11-30 06:49:34,664 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:49:34" (1/1) ... [2023-11-30 06:49:34,669 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 06:49:34,669 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 06:49:34,669 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 06:49:34,669 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 06:49:34,670 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:49:34" (1/1) ... [2023-11-30 06:49:34,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 06:49:34,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 06:49:34,726 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 06:49:34,728 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 06:49:34,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-30 06:49:34,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 06:49:34,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-30 06:49:34,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 06:49:34,758 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-30 06:49:34,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 06:49:34,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-30 06:49:34,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 06:49:34,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 06:49:34,759 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-11-30 06:49:34,759 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-11-30 06:49:34,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 06:49:34,759 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-30 06:49:34,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 06:49:34,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 06:49:34,760 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 06:49:34,963 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 06:49:34,964 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 06:49:35,178 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 06:49:35,243 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 06:49:35,243 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 06:49:35,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:49:35 BoogieIcfgContainer [2023-11-30 06:49:35,245 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 06:49:35,246 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 06:49:35,246 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 06:49:35,248 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 06:49:35,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 06:49:33" (1/3) ... [2023-11-30 06:49:35,249 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f2d3665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:49:35, skipping insertion in model container [2023-11-30 06:49:35,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:49:34" (2/3) ... [2023-11-30 06:49:35,249 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f2d3665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:49:35, skipping insertion in model container [2023-11-30 06:49:35,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:49:35" (3/3) ... [2023-11-30 06:49:35,250 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2023-11-30 06:49:35,263 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 06:49:35,264 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-30 06:49:35,264 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 06:49:35,322 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-30 06:49:35,362 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 193 places, 197 transitions, 408 flow [2023-11-30 06:49:35,453 INFO L124 PetriNetUnfolderBase]: 14/251 cut-off events. [2023-11-30 06:49:35,453 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-30 06:49:35,463 INFO L83 FinitePrefix]: Finished finitePrefix Result has 260 conditions, 251 events. 14/251 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 524 event pairs, 0 based on Foata normal form. 0/231 useless extension candidates. Maximal degree in co-relation 125. Up to 4 conditions per place. [2023-11-30 06:49:35,469 INFO L82 GeneralOperation]: Start removeDead. Operand has 193 places, 197 transitions, 408 flow [2023-11-30 06:49:35,473 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 155 places, 152 transitions, 313 flow [2023-11-30 06:49:35,481 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 06:49:35,486 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;@467c8ffc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 06:49:35,486 INFO L363 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-30 06:49:35,496 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 06:49:35,496 INFO L124 PetriNetUnfolderBase]: 0/72 cut-off events. [2023-11-30 06:49:35,496 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 06:49:35,497 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:49:35,497 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 06:49:35,497 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 06:49:35,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:49:35,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1676554303, now seen corresponding path program 1 times [2023-11-30 06:49:35,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:49:35,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105559155] [2023-11-30 06:49:35,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:49:35,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:49:35,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:49:36,887 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 06:49:36,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:49:36,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105559155] [2023-11-30 06:49:36,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105559155] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:49:36,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:49:36,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-11-30 06:49:36,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841994624] [2023-11-30 06:49:36,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:49:36,896 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-30 06:49:36,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:49:36,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-30 06:49:36,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2023-11-30 06:49:36,927 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 197 [2023-11-30 06:49:36,933 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 06:49:36,934 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:49:36,934 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 197 [2023-11-30 06:49:36,934 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:49:38,797 INFO L124 PetriNetUnfolderBase]: 3743/9104 cut-off events. [2023-11-30 06:49:38,797 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2023-11-30 06:49:38,813 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15200 conditions, 9104 events. 3743/9104 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 80673 event pairs, 994 based on Foata normal form. 288/8246 useless extension candidates. Maximal degree in co-relation 14665. Up to 3346 conditions per place. [2023-11-30 06:49:38,844 INFO L140 encePairwiseOnDemand]: 170/197 looper letters, 169 selfloop transitions, 32 changer transitions 8/286 dead transitions. [2023-11-30 06:49:38,844 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 286 transitions, 1005 flow [2023-11-30 06:49:38,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-30 06:49:38,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2023-11-30 06:49:38,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 2757 transitions. [2023-11-30 06:49:38,867 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6361329026303646 [2023-11-30 06:49:38,868 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 2757 transitions. [2023-11-30 06:49:38,868 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 2757 transitions. [2023-11-30 06:49:38,870 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:49:38,872 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 2757 transitions. [2023-11-30 06:49:38,878 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 06:49:38,886 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 06:49:38,888 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 06:49:38,890 INFO L307 CegarLoopForPetriNet]: 155 programPoint places, 15 predicate places. [2023-11-30 06:49:38,890 INFO L500 AbstractCegarLoop]: Abstraction has has 170 places, 286 transitions, 1005 flow [2023-11-30 06:49:38,891 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 06:49:38,891 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:49:38,891 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 06:49:38,892 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 06:49:38,892 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 06:49:38,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:49:38,892 INFO L85 PathProgramCache]: Analyzing trace with hash -996167873, now seen corresponding path program 1 times [2023-11-30 06:49:38,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:49:38,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926026725] [2023-11-30 06:49:38,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:49:38,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:49:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:49:39,910 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 06:49:39,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:49:39,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926026725] [2023-11-30 06:49:39,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926026725] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:49:39,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:49:39,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 06:49:39,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139538422] [2023-11-30 06:49:39,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:49:39,912 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 06:49:39,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:49:39,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 06:49:39,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2023-11-30 06:49:39,915 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 197 [2023-11-30 06:49:39,917 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 06:49:39,917 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:49:39,917 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 197 [2023-11-30 06:49:39,917 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:49:43,529 INFO L124 PetriNetUnfolderBase]: 4144/9991 cut-off events. [2023-11-30 06:49:43,529 INFO L125 PetriNetUnfolderBase]: For 922/3698 co-relation queries the response was YES. [2023-11-30 06:49:43,539 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23541 conditions, 9991 events. 4144/9991 cut-off events. For 922/3698 co-relation queries the response was YES. Maximal size of possible extension queue 344. Compared 91029 event pairs, 1088 based on Foata normal form. 62/8740 useless extension candidates. Maximal degree in co-relation 22521. Up to 3822 conditions per place. [2023-11-30 06:49:43,580 INFO L140 encePairwiseOnDemand]: 171/197 looper letters, 307 selfloop transitions, 118 changer transitions 16/517 dead transitions. [2023-11-30 06:49:43,581 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 517 transitions, 2844 flow [2023-11-30 06:49:43,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-11-30 06:49:43,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2023-11-30 06:49:43,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 5157 transitions. [2023-11-30 06:49:43,589 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6232777374909355 [2023-11-30 06:49:43,589 INFO L72 ComplementDD]: Start complementDD. Operand 42 states and 5157 transitions. [2023-11-30 06:49:43,589 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 5157 transitions. [2023-11-30 06:49:43,591 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:49:43,591 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 42 states and 5157 transitions. [2023-11-30 06:49:43,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 43 states, 42 states have (on average 122.78571428571429) internal successors, (5157), 42 states have internal predecessors, (5157), 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 06:49:43,606 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 43 states, 43 states have (on average 197.0) internal successors, (8471), 43 states have internal predecessors, (8471), 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 06:49:43,611 INFO L81 ComplementDD]: Finished complementDD. Result has 43 states, 43 states have (on average 197.0) internal successors, (8471), 43 states have internal predecessors, (8471), 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 06:49:43,611 INFO L307 CegarLoopForPetriNet]: 155 programPoint places, 56 predicate places. [2023-11-30 06:49:43,611 INFO L500 AbstractCegarLoop]: Abstraction has has 211 places, 517 transitions, 2844 flow [2023-11-30 06:49:43,612 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 06:49:43,612 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:49:43,613 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 06:49:43,613 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 06:49:43,613 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 06:49:43,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:49:43,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1334175406, now seen corresponding path program 1 times [2023-11-30 06:49:43,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:49:43,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803981863] [2023-11-30 06:49:43,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:49:43,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:49:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:49:44,412 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 06:49:44,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:49:44,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803981863] [2023-11-30 06:49:44,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803981863] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:49:44,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:49:44,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 06:49:44,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163466565] [2023-11-30 06:49:44,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:49:44,414 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 06:49:44,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:49:44,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 06:49:44,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2023-11-30 06:49:44,419 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 197 [2023-11-30 06:49:44,421 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 517 transitions, 2844 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 06:49:44,422 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:49:44,422 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 197 [2023-11-30 06:49:44,425 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:49:48,154 INFO L124 PetriNetUnfolderBase]: 8608/22956 cut-off events. [2023-11-30 06:49:48,154 INFO L125 PetriNetUnfolderBase]: For 6766/18137 co-relation queries the response was YES. [2023-11-30 06:49:48,193 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58265 conditions, 22956 events. 8608/22956 cut-off events. For 6766/18137 co-relation queries the response was YES. Maximal size of possible extension queue 581. Compared 241261 event pairs, 942 based on Foata normal form. 48/20989 useless extension candidates. Maximal degree in co-relation 56069. Up to 6620 conditions per place. [2023-11-30 06:49:48,269 INFO L140 encePairwiseOnDemand]: 170/197 looper letters, 578 selfloop transitions, 316 changer transitions 31/1057 dead transitions. [2023-11-30 06:49:48,269 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 1057 transitions, 7748 flow [2023-11-30 06:49:48,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-11-30 06:49:48,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2023-11-30 06:49:48,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 5488 transitions. [2023-11-30 06:49:48,277 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6190637337845459 [2023-11-30 06:49:48,277 INFO L72 ComplementDD]: Start complementDD. Operand 45 states and 5488 transitions. [2023-11-30 06:49:48,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 5488 transitions. [2023-11-30 06:49:48,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:49:48,279 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 45 states and 5488 transitions. [2023-11-30 06:49:48,286 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 06:49:48,296 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 06:49:48,298 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 06:49:48,299 INFO L307 CegarLoopForPetriNet]: 155 programPoint places, 100 predicate places. [2023-11-30 06:49:48,299 INFO L500 AbstractCegarLoop]: Abstraction has has 255 places, 1057 transitions, 7748 flow [2023-11-30 06:49:48,300 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 06:49:48,300 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:49:48,300 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 06:49:48,300 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 06:49:48,300 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 06:49:48,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:49:48,301 INFO L85 PathProgramCache]: Analyzing trace with hash -245552643, now seen corresponding path program 1 times [2023-11-30 06:49:48,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:49:48,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636094623] [2023-11-30 06:49:48,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:49:48,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:49:48,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:49:49,459 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 06:49:49,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:49:49,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636094623] [2023-11-30 06:49:49,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636094623] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:49:49,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:49:49,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-11-30 06:49:49,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854235280] [2023-11-30 06:49:49,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:49:49,460 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-30 06:49:49,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:49:49,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-30 06:49:49,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=637, Unknown=0, NotChecked=0, Total=702 [2023-11-30 06:49:49,463 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 197 [2023-11-30 06:49:49,465 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 1057 transitions, 7748 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 06:49:49,465 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:49:49,465 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 197 [2023-11-30 06:49:49,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:49:58,434 INFO L124 PetriNetUnfolderBase]: 11162/29424 cut-off events. [2023-11-30 06:49:58,434 INFO L125 PetriNetUnfolderBase]: For 16997/35756 co-relation queries the response was YES. [2023-11-30 06:49:58,587 INFO L83 FinitePrefix]: Finished finitePrefix Result has 93552 conditions, 29424 events. 11162/29424 cut-off events. For 16997/35756 co-relation queries the response was YES. Maximal size of possible extension queue 729. Compared 321060 event pairs, 1310 based on Foata normal form. 218/27281 useless extension candidates. Maximal degree in co-relation 90232. Up to 9440 conditions per place. [2023-11-30 06:49:58,691 INFO L140 encePairwiseOnDemand]: 161/197 looper letters, 1325 selfloop transitions, 571 changer transitions 122/2086 dead transitions. [2023-11-30 06:49:58,691 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 336 places, 2086 transitions, 19225 flow [2023-11-30 06:49:58,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-11-30 06:49:58,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2023-11-30 06:49:58,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 9450 transitions. [2023-11-30 06:49:58,700 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5849944286244892 [2023-11-30 06:49:58,700 INFO L72 ComplementDD]: Start complementDD. Operand 82 states and 9450 transitions. [2023-11-30 06:49:58,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 82 states and 9450 transitions. [2023-11-30 06:49:58,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:49:58,704 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 82 states and 9450 transitions. [2023-11-30 06:49:58,722 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 83 states, 82 states have (on average 115.2439024390244) internal successors, (9450), 82 states have internal predecessors, (9450), 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 06:49:58,734 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 83 states, 83 states have (on average 197.0) internal successors, (16351), 83 states have internal predecessors, (16351), 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 06:49:58,735 INFO L81 ComplementDD]: Finished complementDD. Result has 83 states, 83 states have (on average 197.0) internal successors, (16351), 83 states have internal predecessors, (16351), 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 06:49:58,736 INFO L307 CegarLoopForPetriNet]: 155 programPoint places, 181 predicate places. [2023-11-30 06:49:58,737 INFO L500 AbstractCegarLoop]: Abstraction has has 336 places, 2086 transitions, 19225 flow [2023-11-30 06:49:58,737 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 06:49:58,737 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:49:58,738 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 06:49:58,738 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 06:49:58,738 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-30 06:49:58,738 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:49:58,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1159048415, now seen corresponding path program 2 times [2023-11-30 06:49:58,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:49:58,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288672258] [2023-11-30 06:49:58,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:49:58,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:49:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:49:59,758 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 06:49:59,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:49:59,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288672258] [2023-11-30 06:49:59,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288672258] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:49:59,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:49:59,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-11-30 06:49:59,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629122667] [2023-11-30 06:49:59,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:49:59,759 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-30 06:49:59,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:49:59,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-30 06:49:59,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2023-11-30 06:49:59,762 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 197 [2023-11-30 06:49:59,763 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 336 places, 2086 transitions, 19225 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 06:49:59,763 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:49:59,763 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 197 [2023-11-30 06:49:59,763 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:50:11,442 INFO L124 PetriNetUnfolderBase]: 13880/35912 cut-off events. [2023-11-30 06:50:11,443 INFO L125 PetriNetUnfolderBase]: For 35374/68601 co-relation queries the response was YES. [2023-11-30 06:50:11,485 INFO L83 FinitePrefix]: Finished finitePrefix Result has 138149 conditions, 35912 events. 13880/35912 cut-off events. For 35374/68601 co-relation queries the response was YES. Maximal size of possible extension queue 871. Compared 401228 event pairs, 1617 based on Foata normal form. 292/33496 useless extension candidates. Maximal degree in co-relation 133501. Up to 12413 conditions per place. [2023-11-30 06:50:11,606 INFO L140 encePairwiseOnDemand]: 161/197 looper letters, 2152 selfloop transitions, 790 changer transitions 213/3223 dead transitions. [2023-11-30 06:50:11,607 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 422 places, 3223 transitions, 35988 flow [2023-11-30 06:50:11,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-11-30 06:50:11,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2023-11-30 06:50:11,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 10021 transitions. [2023-11-30 06:50:11,621 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.584689888558259 [2023-11-30 06:50:11,621 INFO L72 ComplementDD]: Start complementDD. Operand 87 states and 10021 transitions. [2023-11-30 06:50:11,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 87 states and 10021 transitions. [2023-11-30 06:50:11,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:50:11,624 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 87 states and 10021 transitions. [2023-11-30 06:50:11,637 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 06:50:11,653 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 06:50:11,654 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 06:50:11,656 INFO L307 CegarLoopForPetriNet]: 155 programPoint places, 267 predicate places. [2023-11-30 06:50:11,656 INFO L500 AbstractCegarLoop]: Abstraction has has 422 places, 3223 transitions, 35988 flow [2023-11-30 06:50:11,657 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 06:50:11,657 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:50:11,657 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 06:50:11,657 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 06:50:11,657 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-30 06:50:11,658 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:50:11,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1741986883, now seen corresponding path program 1 times [2023-11-30 06:50:11,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:50:11,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233736575] [2023-11-30 06:50:11,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:50:11,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:50:11,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:50:12,188 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 06:50:12,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:50:12,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233736575] [2023-11-30 06:50:12,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233736575] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:50:12,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:50:12,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-11-30 06:50:12,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537563298] [2023-11-30 06:50:12,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:50:12,189 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 06:50:12,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:50:12,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 06:50:12,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2023-11-30 06:50:12,191 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 197 [2023-11-30 06:50:12,194 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 422 places, 3223 transitions, 35988 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 06:50:12,194 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:50:12,194 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 197 [2023-11-30 06:50:12,194 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:50:22,285 INFO L124 PetriNetUnfolderBase]: 22523/56324 cut-off events. [2023-11-30 06:50:22,285 INFO L125 PetriNetUnfolderBase]: For 78433/175871 co-relation queries the response was YES. [2023-11-30 06:50:22,372 INFO L83 FinitePrefix]: Finished finitePrefix Result has 255449 conditions, 56324 events. 22523/56324 cut-off events. For 78433/175871 co-relation queries the response was YES. Maximal size of possible extension queue 1484. Compared 667519 event pairs, 2947 based on Foata normal form. 324/51573 useless extension candidates. Maximal degree in co-relation 247924. Up to 21286 conditions per place. [2023-11-30 06:50:22,640 INFO L140 encePairwiseOnDemand]: 170/197 looper letters, 2831 selfloop transitions, 827 changer transitions 250/4455 dead transitions. [2023-11-30 06:50:22,641 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 472 places, 4455 transitions, 57735 flow [2023-11-30 06:50:22,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-11-30 06:50:22,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2023-11-30 06:50:22,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 7134 transitions. [2023-11-30 06:50:22,652 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7100627052851598 [2023-11-30 06:50:22,652 INFO L72 ComplementDD]: Start complementDD. Operand 51 states and 7134 transitions. [2023-11-30 06:50:22,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 7134 transitions. [2023-11-30 06:50:22,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:50:22,655 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 51 states and 7134 transitions. [2023-11-30 06:50:22,663 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 52 states, 51 states have (on average 139.88235294117646) internal successors, (7134), 51 states have internal predecessors, (7134), 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 06:50:22,671 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 06:50:22,673 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 06:50:22,674 INFO L307 CegarLoopForPetriNet]: 155 programPoint places, 317 predicate places. [2023-11-30 06:50:22,675 INFO L500 AbstractCegarLoop]: Abstraction has has 472 places, 4455 transitions, 57735 flow [2023-11-30 06:50:22,675 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 06:50:22,675 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:50:22,675 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 06:50:22,675 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-30 06:50:22,675 INFO L425 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-30 06:50:22,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:50:22,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1080289983, now seen corresponding path program 2 times [2023-11-30 06:50:22,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:50:22,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266635897] [2023-11-30 06:50:22,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:50:22,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:50:22,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:50:23,886 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 06:50:23,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:50:23,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266635897] [2023-11-30 06:50:23,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266635897] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:50:23,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:50:23,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-11-30 06:50:23,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156466320] [2023-11-30 06:50:23,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:50:23,887 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-30 06:50:23,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:50:23,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-30 06:50:23,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=641, Unknown=0, NotChecked=0, Total=702 [2023-11-30 06:50:23,890 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 197 [2023-11-30 06:50:23,891 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 472 places, 4455 transitions, 57735 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 06:50:23,891 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:50:23,891 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 197 [2023-11-30 06:50:23,891 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:50:44,753 INFO L124 PetriNetUnfolderBase]: 25582/63381 cut-off events. [2023-11-30 06:50:44,754 INFO L125 PetriNetUnfolderBase]: For 128590/280463 co-relation queries the response was YES. [2023-11-30 06:50:44,865 INFO L83 FinitePrefix]: Finished finitePrefix Result has 330862 conditions, 63381 events. 25582/63381 cut-off events. For 128590/280463 co-relation queries the response was YES. Maximal size of possible extension queue 1697. Compared 760380 event pairs, 3683 based on Foata normal form. 620/58457 useless extension candidates. Maximal degree in co-relation 319672. Up to 24735 conditions per place. [2023-11-30 06:50:45,188 INFO L140 encePairwiseOnDemand]: 161/197 looper letters, 3861 selfloop transitions, 1328 changer transitions 325/5582 dead transitions. [2023-11-30 06:50:45,189 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 587 places, 5582 transitions, 82998 flow [2023-11-30 06:50:45,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2023-11-30 06:50:45,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2023-11-30 06:50:45,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 13269 transitions. [2023-11-30 06:50:45,202 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5806493961141257 [2023-11-30 06:50:45,202 INFO L72 ComplementDD]: Start complementDD. Operand 116 states and 13269 transitions. [2023-11-30 06:50:45,202 INFO L73 IsDeterministic]: Start isDeterministic. Operand 116 states and 13269 transitions. [2023-11-30 06:50:45,205 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:50:45,205 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 116 states and 13269 transitions. [2023-11-30 06:50:45,217 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 117 states, 116 states have (on average 114.38793103448276) internal successors, (13269), 116 states have internal predecessors, (13269), 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 06:50:45,231 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 117 states, 117 states have (on average 197.0) internal successors, (23049), 117 states have internal predecessors, (23049), 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 06:50:45,233 INFO L81 ComplementDD]: Finished complementDD. Result has 117 states, 117 states have (on average 197.0) internal successors, (23049), 117 states have internal predecessors, (23049), 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 06:50:45,233 INFO L307 CegarLoopForPetriNet]: 155 programPoint places, 432 predicate places. [2023-11-30 06:50:45,233 INFO L500 AbstractCegarLoop]: Abstraction has has 587 places, 5582 transitions, 82998 flow [2023-11-30 06:50:45,234 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 06:50:45,234 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:50:45,234 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 06:50:45,234 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-30 06:50:45,234 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 06:50:45,235 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:50:45,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1497859689, now seen corresponding path program 3 times [2023-11-30 06:50:45,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:50:45,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801243583] [2023-11-30 06:50:45,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:50:45,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:50:45,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:50:46,124 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 06:50:46,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:50:46,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801243583] [2023-11-30 06:50:46,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801243583] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:50:46,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:50:46,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-11-30 06:50:46,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175966971] [2023-11-30 06:50:46,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:50:46,125 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-30 06:50:46,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:50:46,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-30 06:50:46,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=641, Unknown=0, NotChecked=0, Total=702 [2023-11-30 06:50:46,127 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 197 [2023-11-30 06:50:46,128 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 587 places, 5582 transitions, 82998 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 06:50:46,128 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:50:46,128 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 197 [2023-11-30 06:50:46,128 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:51:14,625 INFO L124 PetriNetUnfolderBase]: 33904/83286 cut-off events. [2023-11-30 06:51:14,625 INFO L125 PetriNetUnfolderBase]: For 228558/479860 co-relation queries the response was YES. [2023-11-30 06:51:14,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 491928 conditions, 83286 events. 33904/83286 cut-off events. For 228558/479860 co-relation queries the response was YES. Maximal size of possible extension queue 2184. Compared 1032379 event pairs, 4774 based on Foata normal form. 1051/77656 useless extension candidates. Maximal degree in co-relation 472392. Up to 34398 conditions per place. [2023-11-30 06:51:15,225 INFO L140 encePairwiseOnDemand]: 160/197 looper letters, 5673 selfloop transitions, 1997 changer transitions 464/8202 dead transitions. [2023-11-30 06:51:15,225 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 686 places, 8202 transitions, 137769 flow [2023-11-30 06:51:15,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2023-11-30 06:51:15,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2023-11-30 06:51:15,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 11459 transitions. [2023-11-30 06:51:15,249 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5816751269035533 [2023-11-30 06:51:15,249 INFO L72 ComplementDD]: Start complementDD. Operand 100 states and 11459 transitions. [2023-11-30 06:51:15,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 100 states and 11459 transitions. [2023-11-30 06:51:15,251 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:51:15,251 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 100 states and 11459 transitions. [2023-11-30 06:51:15,261 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 06:51:15,272 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 06:51:15,275 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 06:51:15,276 INFO L307 CegarLoopForPetriNet]: 155 programPoint places, 531 predicate places. [2023-11-30 06:51:15,276 INFO L500 AbstractCegarLoop]: Abstraction has has 686 places, 8202 transitions, 137769 flow [2023-11-30 06:51:15,277 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 06:51:15,277 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:51:15,277 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 06:51:15,277 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-30 06:51:15,277 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 06:51:15,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:51:15,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1795531423, now seen corresponding path program 4 times [2023-11-30 06:51:15,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:51:15,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428812832] [2023-11-30 06:51:15,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:51:15,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:51:15,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:51:15,879 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 06:51:15,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:51:15,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428812832] [2023-11-30 06:51:15,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428812832] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:51:15,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:51:15,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-11-30 06:51:15,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497411652] [2023-11-30 06:51:15,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:51:15,881 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 06:51:15,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:51:15,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 06:51:15,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2023-11-30 06:51:15,898 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 197 [2023-11-30 06:51:15,899 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 686 places, 8202 transitions, 137769 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 06:51:15,899 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:51:15,899 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 197 [2023-11-30 06:51:15,899 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:51:43,182 INFO L124 PetriNetUnfolderBase]: 31556/78939 cut-off events. [2023-11-30 06:51:43,182 INFO L125 PetriNetUnfolderBase]: For 275660/457990 co-relation queries the response was YES. [2023-11-30 06:51:43,316 INFO L83 FinitePrefix]: Finished finitePrefix Result has 506126 conditions, 78939 events. 31556/78939 cut-off events. For 275660/457990 co-relation queries the response was YES. Maximal size of possible extension queue 2043. Compared 981319 event pairs, 3835 based on Foata normal form. 451/73398 useless extension candidates. Maximal degree in co-relation 484708. Up to 32088 conditions per place. [2023-11-30 06:51:43,769 INFO L140 encePairwiseOnDemand]: 170/197 looper letters, 6164 selfloop transitions, 1763 changer transitions 551/9398 dead transitions. [2023-11-30 06:51:43,769 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 732 places, 9398 transitions, 175494 flow [2023-11-30 06:51:43,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-11-30 06:51:43,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2023-11-30 06:51:43,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 6472 transitions. [2023-11-30 06:51:43,792 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6989955718760126 [2023-11-30 06:51:43,792 INFO L72 ComplementDD]: Start complementDD. Operand 47 states and 6472 transitions. [2023-11-30 06:51:43,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 6472 transitions. [2023-11-30 06:51:43,793 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:51:43,793 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 47 states and 6472 transitions. [2023-11-30 06:51:43,816 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 48 states, 47 states have (on average 137.70212765957447) internal successors, (6472), 47 states have internal predecessors, (6472), 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 06:51:43,821 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 06:51:43,822 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 06:51:43,823 INFO L307 CegarLoopForPetriNet]: 155 programPoint places, 577 predicate places. [2023-11-30 06:51:43,823 INFO L500 AbstractCegarLoop]: Abstraction has has 732 places, 9398 transitions, 175494 flow [2023-11-30 06:51:43,823 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 06:51:43,823 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:51:43,823 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 06:51:43,823 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-30 06:51:43,824 INFO L425 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-30 06:51:43,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:51:43,824 INFO L85 PathProgramCache]: Analyzing trace with hash -128583220, now seen corresponding path program 1 times [2023-11-30 06:51:43,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:51:43,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166365515] [2023-11-30 06:51:43,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:51:43,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:51:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:51:44,947 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 06:51:44,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:51:44,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166365515] [2023-11-30 06:51:44,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166365515] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:51:44,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:51:44,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-11-30 06:51:44,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537532299] [2023-11-30 06:51:44,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:51:44,948 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-30 06:51:44,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:51:44,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-30 06:51:44,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2023-11-30 06:51:44,951 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 197 [2023-11-30 06:51:44,952 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 732 places, 9398 transitions, 175494 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 06:51:44,952 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:51:44,952 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 197 [2023-11-30 06:51:44,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:52:30,777 INFO L124 PetriNetUnfolderBase]: 35406/89040 cut-off events. [2023-11-30 06:52:30,778 INFO L125 PetriNetUnfolderBase]: For 397416/730182 co-relation queries the response was YES. [2023-11-30 06:52:30,929 INFO L83 FinitePrefix]: Finished finitePrefix Result has 627749 conditions, 89040 events. 35406/89040 cut-off events. For 397416/730182 co-relation queries the response was YES. Maximal size of possible extension queue 2313. Compared 1132019 event pairs, 4178 based on Foata normal form. 1194/83621 useless extension candidates. Maximal degree in co-relation 602173. Up to 35736 conditions per place. [2023-11-30 06:52:31,649 INFO L140 encePairwiseOnDemand]: 161/197 looper letters, 7585 selfloop transitions, 2488 changer transitions 695/10836 dead transitions. [2023-11-30 06:52:31,649 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 850 places, 10836 transitions, 224287 flow [2023-11-30 06:52:31,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-11-30 06:52:31,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2023-11-30 06:52:31,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 13526 transitions. [2023-11-30 06:52:31,684 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5769739367828349 [2023-11-30 06:52:31,684 INFO L72 ComplementDD]: Start complementDD. Operand 119 states and 13526 transitions. [2023-11-30 06:52:31,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 119 states and 13526 transitions. [2023-11-30 06:52:31,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:52:31,686 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 119 states and 13526 transitions. [2023-11-30 06:52:31,695 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 120 states, 119 states have (on average 113.66386554621849) internal successors, (13526), 119 states have internal predecessors, (13526), 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 06:52:31,723 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 120 states, 120 states have (on average 197.0) internal successors, (23640), 120 states have internal predecessors, (23640), 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 06:52:31,724 INFO L81 ComplementDD]: Finished complementDD. Result has 120 states, 120 states have (on average 197.0) internal successors, (23640), 120 states have internal predecessors, (23640), 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 06:52:31,725 INFO L307 CegarLoopForPetriNet]: 155 programPoint places, 695 predicate places. [2023-11-30 06:52:31,725 INFO L500 AbstractCegarLoop]: Abstraction has has 850 places, 10836 transitions, 224287 flow [2023-11-30 06:52:31,726 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 06:52:31,726 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:52:31,726 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 06:52:31,726 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-30 06:52:31,726 INFO L425 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-30 06:52:31,728 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:52:31,728 INFO L85 PathProgramCache]: Analyzing trace with hash 359977231, now seen corresponding path program 3 times [2023-11-30 06:52:31,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:52:31,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771406966] [2023-11-30 06:52:31,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:52:31,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:52:31,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:52:32,683 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 06:52:32,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:52:32,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771406966] [2023-11-30 06:52:32,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771406966] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:52:32,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:52:32,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-11-30 06:52:32,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234294816] [2023-11-30 06:52:32,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:52:32,685 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-30 06:52:32,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:52:32,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-30 06:52:32,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-11-30 06:52:32,687 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 197 [2023-11-30 06:52:32,688 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 850 places, 10836 transitions, 224287 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 06:52:32,688 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:52:32,688 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 197 [2023-11-30 06:52:32,688 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:53:26,545 INFO L124 PetriNetUnfolderBase]: 36918/92153 cut-off events. [2023-11-30 06:53:26,545 INFO L125 PetriNetUnfolderBase]: For 491627/895012 co-relation queries the response was YES. [2023-11-30 06:53:26,699 INFO L83 FinitePrefix]: Finished finitePrefix Result has 714424 conditions, 92153 events. 36918/92153 cut-off events. For 491627/895012 co-relation queries the response was YES. Maximal size of possible extension queue 2477. Compared 1175316 event pairs, 5098 based on Foata normal form. 1676/87108 useless extension candidates. Maximal degree in co-relation 685181. Up to 37502 conditions per place. [2023-11-30 06:53:27,307 INFO L140 encePairwiseOnDemand]: 161/197 looper letters, 8064 selfloop transitions, 2992 changer transitions 889/12013 dead transitions. [2023-11-30 06:53:27,307 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 910 places, 12013 transitions, 272640 flow [2023-11-30 06:53:27,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-11-30 06:53:27,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2023-11-30 06:53:27,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 7114 transitions. [2023-11-30 06:53:27,327 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5919946742115336 [2023-11-30 06:53:27,327 INFO L72 ComplementDD]: Start complementDD. Operand 61 states and 7114 transitions. [2023-11-30 06:53:27,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61 states and 7114 transitions. [2023-11-30 06:53:27,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:53:27,328 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 61 states and 7114 transitions. [2023-11-30 06:53:27,333 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 62 states, 61 states have (on average 116.62295081967213) internal successors, (7114), 61 states have internal predecessors, (7114), 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 06:53:27,348 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 06:53:27,349 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 06:53:27,349 INFO L307 CegarLoopForPetriNet]: 155 programPoint places, 755 predicate places. [2023-11-30 06:53:27,350 INFO L500 AbstractCegarLoop]: Abstraction has has 910 places, 12013 transitions, 272640 flow [2023-11-30 06:53:27,350 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 06:53:27,350 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:53:27,350 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 06:53:27,350 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-30 06:53:27,350 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 06:53:27,350 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:53:27,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1780087709, now seen corresponding path program 5 times [2023-11-30 06:53:27,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:53:27,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927820643] [2023-11-30 06:53:27,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:53:27,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:53:27,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:53:27,886 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 06:53:27,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:53:27,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927820643] [2023-11-30 06:53:27,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927820643] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:53:27,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:53:27,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-11-30 06:53:27,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165695515] [2023-11-30 06:53:27,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:53:27,887 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 06:53:27,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:53:27,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 06:53:27,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-11-30 06:53:27,889 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 197 [2023-11-30 06:53:27,890 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 910 places, 12013 transitions, 272640 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 06:53:27,890 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:53:27,890 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 197 [2023-11-30 06:53:27,890 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:54:46,538 INFO L124 PetriNetUnfolderBase]: 49839/123846 cut-off events. [2023-11-30 06:54:46,539 INFO L125 PetriNetUnfolderBase]: For 748887/1357166 co-relation queries the response was YES. [2023-11-30 06:54:46,819 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1038849 conditions, 123846 events. 49839/123846 cut-off events. For 748887/1357166 co-relation queries the response was YES. Maximal size of possible extension queue 3402. Compared 1644791 event pairs, 7239 based on Foata normal form. 792/114434 useless extension candidates. Maximal degree in co-relation 999902. Up to 50735 conditions per place. [2023-11-30 06:54:48,035 INFO L140 encePairwiseOnDemand]: 170/197 looper letters, 9452 selfloop transitions, 2299 changer transitions 1035/13966 dead transitions. [2023-11-30 06:54:48,035 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 970 places, 13966 transitions, 343423 flow [2023-11-30 06:54:48,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-11-30 06:54:48,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2023-11-30 06:54:48,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 8635 transitions. [2023-11-30 06:54:48,039 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7185653657318798 [2023-11-30 06:54:48,040 INFO L72 ComplementDD]: Start complementDD. Operand 61 states and 8635 transitions. [2023-11-30 06:54:48,040 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61 states and 8635 transitions. [2023-11-30 06:54:48,053 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:54:48,053 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 61 states and 8635 transitions. [2023-11-30 06:54:48,061 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 62 states, 61 states have (on average 141.55737704918033) internal successors, (8635), 61 states have internal predecessors, (8635), 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 06:54:48,069 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 06:54:48,071 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 06:54:48,071 INFO L307 CegarLoopForPetriNet]: 155 programPoint places, 815 predicate places. [2023-11-30 06:54:48,072 INFO L500 AbstractCegarLoop]: Abstraction has has 970 places, 13966 transitions, 343423 flow [2023-11-30 06:54:48,088 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 06:54:48,088 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:54:48,088 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 06:54:48,088 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-30 06:54:48,088 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 06:54:48,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:54:48,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1284240939, now seen corresponding path program 6 times [2023-11-30 06:54:48,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:54:48,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815927737] [2023-11-30 06:54:48,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:54:48,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:54:48,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:54:49,234 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 06:54:49,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:54:49,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815927737] [2023-11-30 06:54:49,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815927737] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:54:49,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:54:49,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-11-30 06:54:49,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456575988] [2023-11-30 06:54:49,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:54:49,235 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 06:54:49,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:54:49,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 06:54:49,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2023-11-30 06:54:49,236 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 197 [2023-11-30 06:54:49,239 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 970 places, 13966 transitions, 343423 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 06:54:49,239 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:54:49,239 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 197 [2023-11-30 06:54:49,239 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:56:39,367 INFO L124 PetriNetUnfolderBase]: 54759/133568 cut-off events. [2023-11-30 06:56:39,367 INFO L125 PetriNetUnfolderBase]: For 950377/1699011 co-relation queries the response was YES. [2023-11-30 06:56:39,667 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1215349 conditions, 133568 events. 54759/133568 cut-off events. For 950377/1699011 co-relation queries the response was YES. Maximal size of possible extension queue 3631. Compared 1772386 event pairs, 7389 based on Foata normal form. 1440/123756 useless extension candidates. Maximal degree in co-relation 1173765. Up to 55661 conditions per place. [2023-11-30 06:56:41,044 INFO L140 encePairwiseOnDemand]: 170/197 looper letters, 10631 selfloop transitions, 2695 changer transitions 1059/15565 dead transitions. [2023-11-30 06:56:41,044 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1022 places, 15565 transitions, 412457 flow [2023-11-30 06:56:41,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-11-30 06:56:41,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2023-11-30 06:56:41,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 7394 transitions. [2023-11-30 06:56:41,059 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.708169715544488 [2023-11-30 06:56:41,059 INFO L72 ComplementDD]: Start complementDD. Operand 53 states and 7394 transitions. [2023-11-30 06:56:41,060 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53 states and 7394 transitions. [2023-11-30 06:56:41,061 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:56:41,061 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 53 states and 7394 transitions. [2023-11-30 06:56:41,065 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 54 states, 53 states have (on average 139.50943396226415) internal successors, (7394), 53 states have internal predecessors, (7394), 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 06:56:41,071 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 06:56:41,071 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 06:56:41,080 INFO L307 CegarLoopForPetriNet]: 155 programPoint places, 867 predicate places. [2023-11-30 06:56:41,081 INFO L500 AbstractCegarLoop]: Abstraction has has 1022 places, 15565 transitions, 412457 flow [2023-11-30 06:56:41,081 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 06:56:41,081 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:56:41,081 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 06:56:41,081 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-30 06:56:41,081 INFO L425 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-30 06:56:41,082 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:56:41,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1358221552, now seen corresponding path program 2 times [2023-11-30 06:56:41,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:56:41,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68344546] [2023-11-30 06:56:41,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:56:41,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:56:41,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:56:41,860 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 06:56:41,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:56:41,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68344546] [2023-11-30 06:56:41,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68344546] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:56:41,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:56:41,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-11-30 06:56:41,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28886437] [2023-11-30 06:56:41,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:56:41,860 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-30 06:56:41,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:56:41,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-30 06:56:41,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2023-11-30 06:56:41,862 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 197 [2023-11-30 06:56:41,863 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1022 places, 15565 transitions, 412457 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 06:56:41,863 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:56:41,863 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 197 [2023-11-30 06:56:41,863 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:59:06,961 INFO L124 PetriNetUnfolderBase]: 55510/136871 cut-off events. [2023-11-30 06:59:06,961 INFO L125 PetriNetUnfolderBase]: For 1147637/1962721 co-relation queries the response was YES. [2023-11-30 06:59:07,243 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1323941 conditions, 136871 events. 55510/136871 cut-off events. For 1147637/1962721 co-relation queries the response was YES. Maximal size of possible extension queue 3718. Compared 1833329 event pairs, 7217 based on Foata normal form. 2091/127472 useless extension candidates. Maximal degree in co-relation 1278226. Up to 56546 conditions per place. [2023-11-30 06:59:08,659 INFO L140 encePairwiseOnDemand]: 161/197 looper letters, 11343 selfloop transitions, 3347 changer transitions 1141/15899 dead transitions. [2023-11-30 06:59:08,660 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1183 places, 15899 transitions, 452941 flow [2023-11-30 06:59:08,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2023-11-30 06:59:08,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2023-11-30 06:59:08,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 18317 transitions. [2023-11-30 06:59:08,688 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5739487372313091 [2023-11-30 06:59:08,688 INFO L72 ComplementDD]: Start complementDD. Operand 162 states and 18317 transitions. [2023-11-30 06:59:08,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 162 states and 18317 transitions. [2023-11-30 06:59:08,690 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:59:08,690 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 162 states and 18317 transitions. [2023-11-30 06:59:08,721 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 163 states, 162 states have (on average 113.0679012345679) internal successors, (18317), 162 states have internal predecessors, (18317), 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 06:59:08,748 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 163 states, 163 states have (on average 197.0) internal successors, (32111), 163 states have internal predecessors, (32111), 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 06:59:08,753 INFO L81 ComplementDD]: Finished complementDD. Result has 163 states, 163 states have (on average 197.0) internal successors, (32111), 163 states have internal predecessors, (32111), 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 06:59:08,753 INFO L307 CegarLoopForPetriNet]: 155 programPoint places, 1028 predicate places. [2023-11-30 06:59:08,753 INFO L500 AbstractCegarLoop]: Abstraction has has 1183 places, 15899 transitions, 452941 flow [2023-11-30 06:59:08,754 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 06:59:08,754 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:59:08,754 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 06:59:08,754 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-30 06:59:08,754 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 06:59:08,754 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:59:08,754 INFO L85 PathProgramCache]: Analyzing trace with hash -415122429, now seen corresponding path program 7 times [2023-11-30 06:59:08,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:59:08,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353439690] [2023-11-30 06:59:08,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:59:08,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:59:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:59:09,246 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 06:59:09,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:59:09,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353439690] [2023-11-30 06:59:09,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353439690] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:59:09,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:59:09,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-11-30 06:59:09,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735521618] [2023-11-30 06:59:09,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:59:09,247 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 06:59:09,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:59:09,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 06:59:09,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-11-30 06:59:09,249 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 197 [2023-11-30 06:59:09,250 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1183 places, 15899 transitions, 452941 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 06:59:09,250 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:59:09,250 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 197 [2023-11-30 06:59:09,250 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 07:01:47,754 INFO L124 PetriNetUnfolderBase]: 63765/155189 cut-off events. [2023-11-30 07:01:47,755 INFO L125 PetriNetUnfolderBase]: For 1502040/2837450 co-relation queries the response was YES. [2023-11-30 07:01:48,164 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1614223 conditions, 155189 events. 63765/155189 cut-off events. For 1502040/2837450 co-relation queries the response was YES. Maximal size of possible extension queue 4299. Compared 2098585 event pairs, 9965 based on Foata normal form. 964/142363 useless extension candidates. Maximal degree in co-relation 1561224. Up to 65067 conditions per place. [2023-11-30 07:01:50,113 INFO L140 encePairwiseOnDemand]: 170/197 looper letters, 12146 selfloop transitions, 2787 changer transitions 1204/17361 dead transitions. [2023-11-30 07:01:50,114 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1244 places, 17361 transitions, 527857 flow [2023-11-30 07:01:50,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-11-30 07:01:50,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2023-11-30 07:01:50,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 8726 transitions. [2023-11-30 07:01:50,136 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7144260684460455 [2023-11-30 07:01:50,137 INFO L72 ComplementDD]: Start complementDD. Operand 62 states and 8726 transitions. [2023-11-30 07:01:50,137 INFO L73 IsDeterministic]: Start isDeterministic. Operand 62 states and 8726 transitions. [2023-11-30 07:01:50,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 07:01:50,138 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 62 states and 8726 transitions. [2023-11-30 07:01:50,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 63 states, 62 states have (on average 140.74193548387098) internal successors, (8726), 62 states have internal predecessors, (8726), 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 07:01:50,175 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 63 states, 63 states have (on average 197.0) internal successors, (12411), 63 states have internal predecessors, (12411), 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 07:01:50,192 INFO L81 ComplementDD]: Finished complementDD. Result has 63 states, 63 states have (on average 197.0) internal successors, (12411), 63 states have internal predecessors, (12411), 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 07:01:50,193 INFO L307 CegarLoopForPetriNet]: 155 programPoint places, 1089 predicate places. [2023-11-30 07:01:50,193 INFO L500 AbstractCegarLoop]: Abstraction has has 1244 places, 17361 transitions, 527857 flow [2023-11-30 07:01:50,193 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 07:01:50,193 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 07:01:50,193 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 07:01:50,193 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-30 07:01:50,193 INFO L425 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-30 07:01:50,193 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 07:01:50,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1107258347, now seen corresponding path program 4 times [2023-11-30 07:01:50,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 07:01:50,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369983185] [2023-11-30 07:01:50,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 07:01:50,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 07:01:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 07:01:51,127 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 07:01:51,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 07:01:51,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369983185] [2023-11-30 07:01:51,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369983185] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 07:01:51,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 07:01:51,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-11-30 07:01:51,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865384129] [2023-11-30 07:01:51,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 07:01:51,128 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-30 07:01:51,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 07:01:51,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-30 07:01:51,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2023-11-30 07:01:51,129 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 197 [2023-11-30 07:01:51,131 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1244 places, 17361 transitions, 527857 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 07:01:51,131 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 07:01:51,131 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 197 [2023-11-30 07:01:51,131 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2023-11-30 07:03:08,533 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 07:03:08,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-11-30 07:03:08,599 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-30 07:03:08,599 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-30 07:03:08,599 WARN L624 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (27states, 106/197 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 591886 conditions, 45820 events (22801/45819 cut-off events. For 759279/1724016 co-relation queries the response was YES. Maximal size of possible extension queue 3925. Compared 539605 event pairs, 835 based on Foata normal form. 4164/51627 useless extension candidates. Maximal degree in co-relation 591534. Up to 22864 conditions per place.). [2023-11-30 07:03:08,600 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2023-11-30 07:03:08,602 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 8 remaining) [2023-11-30 07:03:08,602 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-30 07:03:08,602 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-30 07:03:08,602 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-30 07:03:08,602 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-30 07:03:08,602 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-30 07:03:08,602 INFO L457 BasicCegarLoop]: Path program histogram: [7, 4, 2, 1, 1, 1] [2023-11-30 07:03:08,605 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 07:03:08,605 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 07:03:08,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 07:03:08 BasicIcfg [2023-11-30 07:03:08,608 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 07:03:08,608 INFO L158 Benchmark]: Toolchain (without parser) took 814715.30ms. Allocated memory was 356.5MB in the beginning and 12.5GB in the end (delta: 12.1GB). Free memory was 292.3MB in the beginning and 7.7GB in the end (delta: -7.4GB). Peak memory consumption was 5.1GB. Max. memory is 16.0GB. [2023-11-30 07:03:08,608 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 356.5MB. Free memory was 304.4MB in the beginning and 304.3MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 07:03:08,609 INFO L158 Benchmark]: CACSL2BoogieTranslator took 689.64ms. Allocated memory was 356.5MB in the beginning and 515.9MB in the end (delta: 159.4MB). Free memory was 292.3MB in the beginning and 448.8MB in the end (delta: -156.5MB). Peak memory consumption was 37.5MB. Max. memory is 16.0GB. [2023-11-30 07:03:08,609 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.69ms. Allocated memory is still 515.9MB. Free memory was 448.8MB in the beginning and 445.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-11-30 07:03:08,609 INFO L158 Benchmark]: Boogie Preprocessor took 29.64ms. Allocated memory is still 515.9MB. Free memory was 445.2MB in the beginning and 442.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 07:03:08,609 INFO L158 Benchmark]: RCFGBuilder took 575.42ms. Allocated memory is still 515.9MB. Free memory was 442.1MB in the beginning and 407.4MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.0GB. [2023-11-30 07:03:08,609 INFO L158 Benchmark]: TraceAbstraction took 813361.78ms. Allocated memory was 515.9MB in the beginning and 12.5GB in the end (delta: 11.9GB). Free memory was 407.4MB in the beginning and 7.7GB in the end (delta: -7.3GB). Peak memory consumption was 5.0GB. Max. memory is 16.0GB. [2023-11-30 07:03:08,610 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 356.5MB. Free memory was 304.4MB in the beginning and 304.3MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 689.64ms. Allocated memory was 356.5MB in the beginning and 515.9MB in the end (delta: 159.4MB). Free memory was 292.3MB in the beginning and 448.8MB in the end (delta: -156.5MB). Peak memory consumption was 37.5MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 53.69ms. Allocated memory is still 515.9MB. Free memory was 448.8MB in the beginning and 445.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 29.64ms. Allocated memory is still 515.9MB. Free memory was 445.2MB in the beginning and 442.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 575.42ms. Allocated memory is still 515.9MB. Free memory was 442.1MB in the beginning and 407.4MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.0GB. * TraceAbstraction took 813361.78ms. Allocated memory was 515.9MB in the beginning and 12.5GB in the end (delta: 11.9GB). Free memory was 407.4MB in the beginning and 7.7GB in the end (delta: -7.3GB). Peak memory consumption was 5.0GB. 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 (27states, 106/197 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 591886 conditions, 45820 events (22801/45819 cut-off events. For 759279/1724016 co-relation queries the response was YES. Maximal size of possible extension queue 3925. Compared 539605 event pairs, 835 based on Foata normal form. 4164/51627 useless extension candidates. Maximal degree in co-relation 591534. Up to 22864 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 (27states, 106/197 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 591886 conditions, 45820 events (22801/45819 cut-off events. For 759279/1724016 co-relation queries the response was YES. Maximal size of possible extension queue 3925. Compared 539605 event pairs, 835 based on Foata normal form. 4164/51627 useless extension candidates. Maximal degree in co-relation 591534. Up to 22864 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 (27states, 106/197 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 591886 conditions, 45820 events (22801/45819 cut-off events. For 759279/1724016 co-relation queries the response was YES. Maximal size of possible extension queue 3925. Compared 539605 event pairs, 835 based on Foata normal form. 4164/51627 useless extension candidates. Maximal degree in co-relation 591534. Up to 22864 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 (27states, 106/197 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 591886 conditions, 45820 events (22801/45819 cut-off events. For 759279/1724016 co-relation queries the response was YES. Maximal size of possible extension queue 3925. Compared 539605 event pairs, 835 based on Foata normal form. 4164/51627 useless extension candidates. Maximal degree in co-relation 591534. Up to 22864 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: 813.2s, OverallIterations: 16, TraceHistogramMax: 1, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 798.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17280 SdHoareTripleChecker+Valid, 22.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17280 mSDsluCounter, 18341 SdHoareTripleChecker+Invalid, 17.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16851 mSDsCounter, 481 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38799 IncrementalHoareTripleChecker+Invalid, 39280 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 481 mSolverCounterUnsat, 1490 mSDtfsCounter, 38799 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1466 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1424 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46235 ImplicationChecksByTransitivity, 65.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=527857occurred in iteration=15, InterpolantAutomatonStates: 1110, 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, 0.5s SatisfiabilityAnalysisTime, 13.8s InterpolantComputationTime, 1080 NumberOfCodeBlocks, 1080 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1064 ConstructedInterpolants, 0 QuantifiedInterpolants, 12137 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