/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_2-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 06:46:16,726 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 06:46:16,788 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 06:46:16,812 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 06:46:16,813 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 06:46:16,813 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 06:46:16,814 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 06:46:16,814 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 06:46:16,814 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 06:46:16,817 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 06:46:16,818 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 06:46:16,818 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 06:46:16,818 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 06:46:16,819 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 06:46:16,819 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 06:46:16,819 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 06:46:16,820 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 06:46:16,820 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 06:46:16,820 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 06:46:16,820 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 06:46:16,820 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 06:46:16,821 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 06:46:16,821 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 06:46:16,821 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 06:46:16,821 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 06:46:16,822 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 06:46:16,822 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 06:46:16,822 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 06:46:16,822 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 06:46:16,822 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 06:46:16,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 06:46:16,823 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 06:46:16,823 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 06:46:16,823 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-11-30 06:46:16,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 06:46:17,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 06:46:17,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 06:46:17,019 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 06:46:17,036 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 06:46:17,037 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_2-container_of.i [2023-11-30 06:46:18,062 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 06:46:18,226 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 06:46:18,226 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_2-container_of.i [2023-11-30 06:46:18,241 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0eabfe241/e4764685324944b696e7f9eac1d5360c/FLAGa00c74401 [2023-11-30 06:46:18,254 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0eabfe241/e4764685324944b696e7f9eac1d5360c [2023-11-30 06:46:18,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 06:46:18,258 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 06:46:18,260 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 06:46:18,260 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 06:46:18,263 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 06:46:18,264 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:46:18" (1/1) ... [2023-11-30 06:46:18,264 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7689b6c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:46:18, skipping insertion in model container [2023-11-30 06:46:18,265 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:46:18" (1/1) ... [2023-11-30 06:46:18,319 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 06:46:18,885 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 06:46:18,893 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 06:46:18,943 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 06:46:19,072 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 06:46:19,073 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 06:46:19,078 INFO L206 MainTranslator]: Completed translation [2023-11-30 06:46:19,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:46:19 WrapperNode [2023-11-30 06:46:19,078 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 06:46:19,079 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 06:46:19,079 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 06:46:19,079 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 06:46:19,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:46:19" (1/1) ... [2023-11-30 06:46:19,117 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:46:19" (1/1) ... [2023-11-30 06:46:19,146 INFO L138 Inliner]: procedures = 467, calls = 48, calls flagged for inlining = 11, calls inlined = 14, statements flattened = 128 [2023-11-30 06:46:19,146 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 06:46:19,147 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 06:46:19,147 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 06:46:19,147 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 06:46:19,153 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:46:19" (1/1) ... [2023-11-30 06:46:19,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:46:19" (1/1) ... [2023-11-30 06:46:19,170 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:46:19" (1/1) ... [2023-11-30 06:46:19,171 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:46:19" (1/1) ... [2023-11-30 06:46:19,178 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:46:19" (1/1) ... [2023-11-30 06:46:19,180 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:46:19" (1/1) ... [2023-11-30 06:46:19,185 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:46:19" (1/1) ... [2023-11-30 06:46:19,186 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:46:19" (1/1) ... [2023-11-30 06:46:19,190 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 06:46:19,190 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 06:46:19,190 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 06:46:19,191 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 06:46:19,191 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:46:19" (1/1) ... [2023-11-30 06:46:19,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 06:46:19,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 06:46:19,228 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 06:46:19,268 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 06:46:19,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-30 06:46:19,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 06:46:19,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-30 06:46:19,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 06:46:19,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 06:46:19,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-30 06:46:19,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 06:46:19,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 06:46:19,287 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-11-30 06:46:19,287 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-11-30 06:46:19,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 06:46:19,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 06:46:19,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 06:46:19,288 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 06:46:19,548 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 06:46:19,550 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 06:46:19,741 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 06:46:19,758 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 06:46:19,758 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 06:46:19,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:46:19 BoogieIcfgContainer [2023-11-30 06:46:19,760 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 06:46:19,761 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 06:46:19,761 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 06:46:19,763 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 06:46:19,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 06:46:18" (1/3) ... [2023-11-30 06:46:19,764 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5899fc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:46:19, skipping insertion in model container [2023-11-30 06:46:19,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:46:19" (2/3) ... [2023-11-30 06:46:19,764 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5899fc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:46:19, skipping insertion in model container [2023-11-30 06:46:19,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:46:19" (3/3) ... [2023-11-30 06:46:19,765 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_2-container_of.i [2023-11-30 06:46:19,776 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 06:46:19,776 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-30 06:46:19,776 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 06:46:19,829 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-30 06:46:19,856 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 181 places, 185 transitions, 384 flow [2023-11-30 06:46:19,904 INFO L124 PetriNetUnfolderBase]: 14/239 cut-off events. [2023-11-30 06:46:19,910 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-30 06:46:19,914 INFO L83 FinitePrefix]: Finished finitePrefix Result has 248 conditions, 239 events. 14/239 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 487 event pairs, 0 based on Foata normal form. 0/219 useless extension candidates. Maximal degree in co-relation 121. Up to 4 conditions per place. [2023-11-30 06:46:19,914 INFO L82 GeneralOperation]: Start removeDead. Operand has 181 places, 185 transitions, 384 flow [2023-11-30 06:46:19,917 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 143 places, 140 transitions, 289 flow [2023-11-30 06:46:19,924 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 06:46:19,928 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;@69d4b196, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 06:46:19,928 INFO L363 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-30 06:46:19,938 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 06:46:19,938 INFO L124 PetriNetUnfolderBase]: 0/66 cut-off events. [2023-11-30 06:46:19,938 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 06:46:19,938 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:46:19,939 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 06:46:19,939 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 06:46:19,943 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:46:19,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1671625061, now seen corresponding path program 1 times [2023-11-30 06:46:19,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:46:19,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830591653] [2023-11-30 06:46:19,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:46:19,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:46:20,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:46:21,268 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 06:46:21,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:46:21,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830591653] [2023-11-30 06:46:21,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830591653] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:46:21,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:46:21,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-11-30 06:46:21,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751735322] [2023-11-30 06:46:21,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:46:21,277 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-30 06:46:21,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:46:21,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-30 06:46:21,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2023-11-30 06:46:21,305 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 185 [2023-11-30 06:46:21,311 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 140 transitions, 289 flow. Second operand has 17 states, 17 states have (on average 112.88235294117646) internal successors, (1919), 17 states have internal predecessors, (1919), 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 06:46:21,311 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:46:21,311 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 185 [2023-11-30 06:46:21,311 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:46:22,800 INFO L124 PetriNetUnfolderBase]: 2256/6715 cut-off events. [2023-11-30 06:46:22,800 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2023-11-30 06:46:22,811 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10449 conditions, 6715 events. 2256/6715 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 219. Compared 61958 event pairs, 155 based on Foata normal form. 352/6141 useless extension candidates. Maximal degree in co-relation 10214. Up to 2122 conditions per place. [2023-11-30 06:46:22,831 INFO L140 encePairwiseOnDemand]: 158/185 looper letters, 136 selfloop transitions, 32 changer transitions 4/245 dead transitions. [2023-11-30 06:46:22,831 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 245 transitions, 849 flow [2023-11-30 06:46:22,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-30 06:46:22,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2023-11-30 06:46:22,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 2632 transitions. [2023-11-30 06:46:22,853 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6466830466830467 [2023-11-30 06:46:22,854 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 2632 transitions. [2023-11-30 06:46:22,854 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 2632 transitions. [2023-11-30 06:46:22,857 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:46:22,859 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 2632 transitions. [2023-11-30 06:46:22,865 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 119.63636363636364) internal successors, (2632), 22 states have internal predecessors, (2632), 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 06:46:22,873 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 185.0) internal successors, (4255), 23 states have internal predecessors, (4255), 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 06:46:22,875 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 185.0) internal successors, (4255), 23 states have internal predecessors, (4255), 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 06:46:22,877 INFO L307 CegarLoopForPetriNet]: 143 programPoint places, 15 predicate places. [2023-11-30 06:46:22,877 INFO L500 AbstractCegarLoop]: Abstraction has has 158 places, 245 transitions, 849 flow [2023-11-30 06:46:22,878 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 112.88235294117646) internal successors, (1919), 17 states have internal predecessors, (1919), 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 06:46:22,878 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:46:22,878 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] [2023-11-30 06:46:22,878 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 06:46:22,879 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 06:46:22,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:46:22,879 INFO L85 PathProgramCache]: Analyzing trace with hash 273535974, now seen corresponding path program 1 times [2023-11-30 06:46:22,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:46:22,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329850907] [2023-11-30 06:46:22,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:46:22,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:46:22,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:46:23,656 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 06:46:23,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:46:23,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329850907] [2023-11-30 06:46:23,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329850907] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:46:23,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:46:23,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 06:46:23,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934958627] [2023-11-30 06:46:23,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:46:23,658 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 06:46:23,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:46:23,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 06:46:23,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2023-11-30 06:46:23,660 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 185 [2023-11-30 06:46:23,662 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 245 transitions, 849 flow. Second operand has 20 states, 20 states have (on average 111.7) internal successors, (2234), 20 states have internal predecessors, (2234), 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 06:46:23,663 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:46:23,663 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 185 [2023-11-30 06:46:23,663 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:46:26,276 INFO L124 PetriNetUnfolderBase]: 2549/6029 cut-off events. [2023-11-30 06:46:26,277 INFO L125 PetriNetUnfolderBase]: For 582/3322 co-relation queries the response was YES. [2023-11-30 06:46:26,284 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14501 conditions, 6029 events. 2549/6029 cut-off events. For 582/3322 co-relation queries the response was YES. Maximal size of possible extension queue 250. Compared 49546 event pairs, 654 based on Foata normal form. 88/5160 useless extension candidates. Maximal degree in co-relation 14060. Up to 2472 conditions per place. [2023-11-30 06:46:26,310 INFO L140 encePairwiseOnDemand]: 157/185 looper letters, 221 selfloop transitions, 131 changer transitions 8/432 dead transitions. [2023-11-30 06:46:26,310 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 432 transitions, 2353 flow [2023-11-30 06:46:26,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-11-30 06:46:26,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2023-11-30 06:46:26,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 5272 transitions. [2023-11-30 06:46:26,319 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6332732732732733 [2023-11-30 06:46:26,319 INFO L72 ComplementDD]: Start complementDD. Operand 45 states and 5272 transitions. [2023-11-30 06:46:26,319 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 5272 transitions. [2023-11-30 06:46:26,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:46:26,321 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 45 states and 5272 transitions. [2023-11-30 06:46:26,330 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 46 states, 45 states have (on average 117.15555555555555) internal successors, (5272), 45 states have internal predecessors, (5272), 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 06:46:26,338 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 46 states, 46 states have (on average 185.0) internal successors, (8510), 46 states have internal predecessors, (8510), 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 06:46:26,341 INFO L81 ComplementDD]: Finished complementDD. Result has 46 states, 46 states have (on average 185.0) internal successors, (8510), 46 states have internal predecessors, (8510), 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 06:46:26,342 INFO L307 CegarLoopForPetriNet]: 143 programPoint places, 59 predicate places. [2023-11-30 06:46:26,342 INFO L500 AbstractCegarLoop]: Abstraction has has 202 places, 432 transitions, 2353 flow [2023-11-30 06:46:26,342 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 111.7) internal successors, (2234), 20 states have internal predecessors, (2234), 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 06:46:26,342 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:46:26,343 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] [2023-11-30 06:46:26,343 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 06:46:26,343 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 06:46:26,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:46:26,345 INFO L85 PathProgramCache]: Analyzing trace with hash 2053845192, now seen corresponding path program 2 times [2023-11-30 06:46:26,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:46:26,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996201797] [2023-11-30 06:46:26,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:46:26,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:46:26,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:46:27,017 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 06:46:27,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:46:27,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996201797] [2023-11-30 06:46:27,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996201797] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:46:27,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:46:27,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 06:46:27,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244440545] [2023-11-30 06:46:27,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:46:27,019 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 06:46:27,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:46:27,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 06:46:27,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2023-11-30 06:46:27,021 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 185 [2023-11-30 06:46:27,023 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 432 transitions, 2353 flow. Second operand has 20 states, 20 states have (on average 111.7) internal successors, (2234), 20 states have internal predecessors, (2234), 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 06:46:27,023 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:46:27,023 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 185 [2023-11-30 06:46:27,023 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:46:29,811 INFO L124 PetriNetUnfolderBase]: 2816/7386 cut-off events. [2023-11-30 06:46:29,812 INFO L125 PetriNetUnfolderBase]: For 2144/7250 co-relation queries the response was YES. [2023-11-30 06:46:29,822 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21504 conditions, 7386 events. 2816/7386 cut-off events. For 2144/7250 co-relation queries the response was YES. Maximal size of possible extension queue 275. Compared 66385 event pairs, 517 based on Foata normal form. 376/6683 useless extension candidates. Maximal degree in co-relation 20791. Up to 2796 conditions per place. [2023-11-30 06:46:29,856 INFO L140 encePairwiseOnDemand]: 157/185 looper letters, 275 selfloop transitions, 186 changer transitions 12/545 dead transitions. [2023-11-30 06:46:29,856 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 545 transitions, 4001 flow [2023-11-30 06:46:29,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-11-30 06:46:29,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2023-11-30 06:46:29,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 5266 transitions. [2023-11-30 06:46:29,867 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6325525525525526 [2023-11-30 06:46:29,868 INFO L72 ComplementDD]: Start complementDD. Operand 45 states and 5266 transitions. [2023-11-30 06:46:29,868 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 5266 transitions. [2023-11-30 06:46:29,870 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:46:29,870 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 45 states and 5266 transitions. [2023-11-30 06:46:29,878 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 46 states, 45 states have (on average 117.02222222222223) internal successors, (5266), 45 states have internal predecessors, (5266), 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 06:46:29,888 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 46 states, 46 states have (on average 185.0) internal successors, (8510), 46 states have internal predecessors, (8510), 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 06:46:29,890 INFO L81 ComplementDD]: Finished complementDD. Result has 46 states, 46 states have (on average 185.0) internal successors, (8510), 46 states have internal predecessors, (8510), 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 06:46:29,891 INFO L307 CegarLoopForPetriNet]: 143 programPoint places, 103 predicate places. [2023-11-30 06:46:29,891 INFO L500 AbstractCegarLoop]: Abstraction has has 246 places, 545 transitions, 4001 flow [2023-11-30 06:46:29,892 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 111.7) internal successors, (2234), 20 states have internal predecessors, (2234), 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 06:46:29,892 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:46:29,892 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] [2023-11-30 06:46:29,892 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 06:46:29,893 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 06:46:29,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:46:29,893 INFO L85 PathProgramCache]: Analyzing trace with hash -510362198, now seen corresponding path program 3 times [2023-11-30 06:46:29,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:46:29,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201921212] [2023-11-30 06:46:29,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:46:29,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:46:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:46:30,535 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 06:46:30,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:46:30,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201921212] [2023-11-30 06:46:30,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201921212] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:46:30,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:46:30,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 06:46:30,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905386785] [2023-11-30 06:46:30,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:46:30,536 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 06:46:30,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:46:30,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 06:46:30,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2023-11-30 06:46:30,538 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 185 [2023-11-30 06:46:30,539 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 545 transitions, 4001 flow. Second operand has 20 states, 20 states have (on average 111.7) internal successors, (2234), 20 states have internal predecessors, (2234), 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 06:46:30,539 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:46:30,539 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 185 [2023-11-30 06:46:30,540 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:46:33,051 INFO L124 PetriNetUnfolderBase]: 2996/7498 cut-off events. [2023-11-30 06:46:33,051 INFO L125 PetriNetUnfolderBase]: For 4122/10400 co-relation queries the response was YES. [2023-11-30 06:46:33,060 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27643 conditions, 7498 events. 2996/7498 cut-off events. For 4122/10400 co-relation queries the response was YES. Maximal size of possible extension queue 304. Compared 66149 event pairs, 727 based on Foata normal form. 572/6952 useless extension candidates. Maximal degree in co-relation 26625. Up to 3027 conditions per place. [2023-11-30 06:46:33,091 INFO L140 encePairwiseOnDemand]: 158/185 looper letters, 330 selfloop transitions, 224 changer transitions 16/642 dead transitions. [2023-11-30 06:46:33,091 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 642 transitions, 5935 flow [2023-11-30 06:46:33,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-11-30 06:46:33,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2023-11-30 06:46:33,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 5257 transitions. [2023-11-30 06:46:33,096 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6314714714714714 [2023-11-30 06:46:33,096 INFO L72 ComplementDD]: Start complementDD. Operand 45 states and 5257 transitions. [2023-11-30 06:46:33,096 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 5257 transitions. [2023-11-30 06:46:33,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:46:33,097 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 45 states and 5257 transitions. [2023-11-30 06:46:33,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 46 states, 45 states have (on average 116.82222222222222) internal successors, (5257), 45 states have internal predecessors, (5257), 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 06:46:33,108 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 46 states, 46 states have (on average 185.0) internal successors, (8510), 46 states have internal predecessors, (8510), 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 06:46:33,109 INFO L81 ComplementDD]: Finished complementDD. Result has 46 states, 46 states have (on average 185.0) internal successors, (8510), 46 states have internal predecessors, (8510), 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 06:46:33,109 INFO L307 CegarLoopForPetriNet]: 143 programPoint places, 147 predicate places. [2023-11-30 06:46:33,109 INFO L500 AbstractCegarLoop]: Abstraction has has 290 places, 642 transitions, 5935 flow [2023-11-30 06:46:33,110 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 111.7) internal successors, (2234), 20 states have internal predecessors, (2234), 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 06:46:33,110 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:46:33,110 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 06:46:33,110 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 06:46:33,110 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 06:46:33,111 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:46:33,111 INFO L85 PathProgramCache]: Analyzing trace with hash 469948343, now seen corresponding path program 1 times [2023-11-30 06:46:33,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:46:33,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909749864] [2023-11-30 06:46:33,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:46:33,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:46:33,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:46:33,797 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 06:46:33,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:46:33,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909749864] [2023-11-30 06:46:33,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909749864] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:46:33,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:46:33,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-30 06:46:33,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267223623] [2023-11-30 06:46:33,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:46:33,798 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-30 06:46:33,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:46:33,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-30 06:46:33,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2023-11-30 06:46:33,800 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 185 [2023-11-30 06:46:33,801 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 642 transitions, 5935 flow. Second operand has 20 states, 20 states have (on average 111.75) internal successors, (2235), 20 states have internal predecessors, (2235), 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 06:46:33,801 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:46:33,801 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 185 [2023-11-30 06:46:33,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:46:37,128 INFO L124 PetriNetUnfolderBase]: 7773/21336 cut-off events. [2023-11-30 06:46:37,128 INFO L125 PetriNetUnfolderBase]: For 22630/38019 co-relation queries the response was YES. [2023-11-30 06:46:37,162 INFO L83 FinitePrefix]: Finished finitePrefix Result has 72285 conditions, 21336 events. 7773/21336 cut-off events. For 22630/38019 co-relation queries the response was YES. Maximal size of possible extension queue 507. Compared 224649 event pairs, 708 based on Foata normal form. 67/19487 useless extension candidates. Maximal degree in co-relation 70159. Up to 6200 conditions per place. [2023-11-30 06:46:37,226 INFO L140 encePairwiseOnDemand]: 158/185 looper letters, 695 selfloop transitions, 548 changer transitions 23/1406 dead transitions. [2023-11-30 06:46:37,227 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 334 places, 1406 transitions, 15726 flow [2023-11-30 06:46:37,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-11-30 06:46:37,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2023-11-30 06:46:37,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 5240 transitions. [2023-11-30 06:46:37,231 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6294294294294295 [2023-11-30 06:46:37,231 INFO L72 ComplementDD]: Start complementDD. Operand 45 states and 5240 transitions. [2023-11-30 06:46:37,231 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 5240 transitions. [2023-11-30 06:46:37,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:46:37,232 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 45 states and 5240 transitions. [2023-11-30 06:46:37,237 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 46 states, 45 states have (on average 116.44444444444444) internal successors, (5240), 45 states have internal predecessors, (5240), 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 06:46:37,243 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 46 states, 46 states have (on average 185.0) internal successors, (8510), 46 states have internal predecessors, (8510), 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 06:46:37,243 INFO L81 ComplementDD]: Finished complementDD. Result has 46 states, 46 states have (on average 185.0) internal successors, (8510), 46 states have internal predecessors, (8510), 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 06:46:37,246 INFO L307 CegarLoopForPetriNet]: 143 programPoint places, 191 predicate places. [2023-11-30 06:46:37,246 INFO L500 AbstractCegarLoop]: Abstraction has has 334 places, 1406 transitions, 15726 flow [2023-11-30 06:46:37,246 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 111.75) internal successors, (2235), 20 states have internal predecessors, (2235), 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 06:46:37,246 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:46:37,247 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] [2023-11-30 06:46:37,247 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 06:46:37,247 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 06:46:37,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:46:37,248 INFO L85 PathProgramCache]: Analyzing trace with hash -278354379, now seen corresponding path program 1 times [2023-11-30 06:46:37,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:46:37,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640482562] [2023-11-30 06:46:37,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:46:37,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:46:37,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:46:38,233 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 06:46:38,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:46:38,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640482562] [2023-11-30 06:46:38,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640482562] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:46:38,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:46:38,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-11-30 06:46:38,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198476396] [2023-11-30 06:46:38,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:46:38,236 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-30 06:46:38,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:46:38,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-30 06:46:38,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-11-30 06:46:38,238 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 185 [2023-11-30 06:46:38,239 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 334 places, 1406 transitions, 15726 flow. Second operand has 27 states, 27 states have (on average 103.62962962962963) internal successors, (2798), 27 states have internal predecessors, (2798), 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 06:46:38,239 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:46:38,239 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 185 [2023-11-30 06:46:38,239 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:46:47,146 INFO L124 PetriNetUnfolderBase]: 9399/25519 cut-off events. [2023-11-30 06:46:47,146 INFO L125 PetriNetUnfolderBase]: For 43601/68672 co-relation queries the response was YES. [2023-11-30 06:46:47,203 INFO L83 FinitePrefix]: Finished finitePrefix Result has 103408 conditions, 25519 events. 9399/25519 cut-off events. For 43601/68672 co-relation queries the response was YES. Maximal size of possible extension queue 620. Compared 276491 event pairs, 812 based on Foata normal form. 276/23648 useless extension candidates. Maximal degree in co-relation 100479. Up to 8117 conditions per place. [2023-11-30 06:46:47,320 INFO L140 encePairwiseOnDemand]: 150/185 looper letters, 1567 selfloop transitions, 867 changer transitions 203/2701 dead transitions. [2023-11-30 06:46:47,320 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 2701 transitions, 35438 flow [2023-11-30 06:46:47,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-11-30 06:46:47,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2023-11-30 06:46:47,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 6773 transitions. [2023-11-30 06:46:47,331 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6001772264067347 [2023-11-30 06:46:47,331 INFO L72 ComplementDD]: Start complementDD. Operand 61 states and 6773 transitions. [2023-11-30 06:46:47,332 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61 states and 6773 transitions. [2023-11-30 06:46:47,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:46:47,334 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 61 states and 6773 transitions. [2023-11-30 06:46:47,345 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 62 states, 61 states have (on average 111.0327868852459) internal successors, (6773), 61 states have internal predecessors, (6773), 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 06:46:47,356 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 62 states, 62 states have (on average 185.0) internal successors, (11470), 62 states have internal predecessors, (11470), 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 06:46:47,358 INFO L81 ComplementDD]: Finished complementDD. Result has 62 states, 62 states have (on average 185.0) internal successors, (11470), 62 states have internal predecessors, (11470), 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 06:46:47,360 INFO L307 CegarLoopForPetriNet]: 143 programPoint places, 251 predicate places. [2023-11-30 06:46:47,360 INFO L500 AbstractCegarLoop]: Abstraction has has 394 places, 2701 transitions, 35438 flow [2023-11-30 06:46:47,361 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 103.62962962962963) internal successors, (2798), 27 states have internal predecessors, (2798), 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 06:46:47,361 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:46:47,361 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] [2023-11-30 06:46:47,361 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-30 06:46:47,361 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 06:46:47,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:46:47,362 INFO L85 PathProgramCache]: Analyzing trace with hash -564157081, now seen corresponding path program 1 times [2023-11-30 06:46:47,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:46:47,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689190185] [2023-11-30 06:46:47,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:46:47,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:46:47,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:46:48,573 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 06:46:48,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:46:48,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689190185] [2023-11-30 06:46:48,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689190185] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:46:48,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:46:48,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-11-30 06:46:48,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326136847] [2023-11-30 06:46:48,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:46:48,574 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-30 06:46:48,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:46:48,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-30 06:46:48,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=641, Unknown=0, NotChecked=0, Total=702 [2023-11-30 06:46:48,576 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 185 [2023-11-30 06:46:48,578 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 394 places, 2701 transitions, 35438 flow. Second operand has 27 states, 27 states have (on average 103.62962962962963) internal successors, (2798), 27 states have internal predecessors, (2798), 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 06:46:48,578 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:46:48,578 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 185 [2023-11-30 06:46:48,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:46:57,033 INFO L124 PetriNetUnfolderBase]: 10448/28254 cut-off events. [2023-11-30 06:46:57,033 INFO L125 PetriNetUnfolderBase]: For 63696/97687 co-relation queries the response was YES. [2023-11-30 06:46:57,079 INFO L83 FinitePrefix]: Finished finitePrefix Result has 132976 conditions, 28254 events. 10448/28254 cut-off events. For 63696/97687 co-relation queries the response was YES. Maximal size of possible extension queue 714. Compared 312270 event pairs, 996 based on Foata normal form. 326/26227 useless extension candidates. Maximal degree in co-relation 128978. Up to 10372 conditions per place. [2023-11-30 06:46:57,207 INFO L140 encePairwiseOnDemand]: 149/185 looper letters, 2175 selfloop transitions, 828 changer transitions 260/3327 dead transitions. [2023-11-30 06:46:57,208 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 459 places, 3327 transitions, 50111 flow [2023-11-30 06:46:57,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2023-11-30 06:46:57,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2023-11-30 06:46:57,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 7262 transitions. [2023-11-30 06:46:57,218 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5947583947583948 [2023-11-30 06:46:57,219 INFO L72 ComplementDD]: Start complementDD. Operand 66 states and 7262 transitions. [2023-11-30 06:46:57,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 66 states and 7262 transitions. [2023-11-30 06:46:57,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:46:57,220 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 66 states and 7262 transitions. [2023-11-30 06:46:57,229 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 67 states, 66 states have (on average 110.03030303030303) internal successors, (7262), 66 states have internal predecessors, (7262), 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 06:46:57,239 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 67 states, 67 states have (on average 185.0) internal successors, (12395), 67 states have internal predecessors, (12395), 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 06:46:57,240 INFO L81 ComplementDD]: Finished complementDD. Result has 67 states, 67 states have (on average 185.0) internal successors, (12395), 67 states have internal predecessors, (12395), 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 06:46:57,241 INFO L307 CegarLoopForPetriNet]: 143 programPoint places, 316 predicate places. [2023-11-30 06:46:57,241 INFO L500 AbstractCegarLoop]: Abstraction has has 459 places, 3327 transitions, 50111 flow [2023-11-30 06:46:57,242 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 103.62962962962963) internal successors, (2798), 27 states have internal predecessors, (2798), 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 06:46:57,242 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:46:57,242 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] [2023-11-30 06:46:57,242 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-30 06:46:57,242 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 06:46:57,243 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:46:57,243 INFO L85 PathProgramCache]: Analyzing trace with hash 2078261255, now seen corresponding path program 2 times [2023-11-30 06:46:57,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:46:57,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916097675] [2023-11-30 06:46:57,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:46:57,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:46:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:46:58,314 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 06:46:58,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:46:58,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916097675] [2023-11-30 06:46:58,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916097675] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:46:58,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:46:58,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-11-30 06:46:58,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331699479] [2023-11-30 06:46:58,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:46:58,316 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-30 06:46:58,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:46:58,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-30 06:46:58,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-11-30 06:46:58,318 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 185 [2023-11-30 06:46:58,320 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 459 places, 3327 transitions, 50111 flow. Second operand has 27 states, 27 states have (on average 103.62962962962963) internal successors, (2798), 27 states have internal predecessors, (2798), 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 06:46:58,320 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:46:58,320 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 185 [2023-11-30 06:46:58,320 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:47:09,992 INFO L124 PetriNetUnfolderBase]: 12147/32706 cut-off events. [2023-11-30 06:47:09,992 INFO L125 PetriNetUnfolderBase]: For 95075/144292 co-relation queries the response was YES. [2023-11-30 06:47:10,054 INFO L83 FinitePrefix]: Finished finitePrefix Result has 176047 conditions, 32706 events. 12147/32706 cut-off events. For 95075/144292 co-relation queries the response was YES. Maximal size of possible extension queue 884. Compared 371278 event pairs, 1047 based on Foata normal form. 619/30657 useless extension candidates. Maximal degree in co-relation 171098. Up to 12259 conditions per place. [2023-11-30 06:47:10,213 INFO L140 encePairwiseOnDemand]: 149/185 looper letters, 2642 selfloop transitions, 1318 changer transitions 372/4396 dead transitions. [2023-11-30 06:47:10,213 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 543 places, 4396 transitions, 74870 flow [2023-11-30 06:47:10,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-11-30 06:47:10,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2023-11-30 06:47:10,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 9299 transitions. [2023-11-30 06:47:10,219 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5913513513513513 [2023-11-30 06:47:10,219 INFO L72 ComplementDD]: Start complementDD. Operand 85 states and 9299 transitions. [2023-11-30 06:47:10,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 85 states and 9299 transitions. [2023-11-30 06:47:10,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:47:10,221 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 85 states and 9299 transitions. [2023-11-30 06:47:10,229 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 86 states, 85 states have (on average 109.4) internal successors, (9299), 85 states have internal predecessors, (9299), 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 06:47:10,237 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 86 states, 86 states have (on average 185.0) internal successors, (15910), 86 states have internal predecessors, (15910), 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 06:47:10,238 INFO L81 ComplementDD]: Finished complementDD. Result has 86 states, 86 states have (on average 185.0) internal successors, (15910), 86 states have internal predecessors, (15910), 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 06:47:10,239 INFO L307 CegarLoopForPetriNet]: 143 programPoint places, 400 predicate places. [2023-11-30 06:47:10,239 INFO L500 AbstractCegarLoop]: Abstraction has has 543 places, 4396 transitions, 74870 flow [2023-11-30 06:47:10,239 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 103.62962962962963) internal successors, (2798), 27 states have internal predecessors, (2798), 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 06:47:10,239 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:47:10,239 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] [2023-11-30 06:47:10,239 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-30 06:47:10,240 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 06:47:10,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:47:10,240 INFO L85 PathProgramCache]: Analyzing trace with hash -202381085, now seen corresponding path program 3 times [2023-11-30 06:47:10,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:47:10,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781585062] [2023-11-30 06:47:10,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:47:10,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:47:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:47:11,635 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 06:47:11,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:47:11,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781585062] [2023-11-30 06:47:11,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781585062] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:47:11,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:47:11,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-11-30 06:47:11,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116947155] [2023-11-30 06:47:11,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:47:11,636 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-30 06:47:11,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:47:11,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-30 06:47:11,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2023-11-30 06:47:11,638 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 185 [2023-11-30 06:47:11,639 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 543 places, 4396 transitions, 74870 flow. Second operand has 27 states, 27 states have (on average 103.62962962962963) internal successors, (2798), 27 states have internal predecessors, (2798), 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 06:47:11,639 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:47:11,639 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 185 [2023-11-30 06:47:11,639 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:47:24,879 INFO L124 PetriNetUnfolderBase]: 13576/36273 cut-off events. [2023-11-30 06:47:24,879 INFO L125 PetriNetUnfolderBase]: For 138310/249116 co-relation queries the response was YES. [2023-11-30 06:47:24,929 INFO L83 FinitePrefix]: Finished finitePrefix Result has 219077 conditions, 36273 events. 13576/36273 cut-off events. For 138310/249116 co-relation queries the response was YES. Maximal size of possible extension queue 988. Compared 416589 event pairs, 1182 based on Foata normal form. 444/33800 useless extension candidates. Maximal degree in co-relation 213285. Up to 13756 conditions per place. [2023-11-30 06:47:25,101 INFO L140 encePairwiseOnDemand]: 149/185 looper letters, 3378 selfloop transitions, 1369 changer transitions 433/5244 dead transitions. [2023-11-30 06:47:25,101 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 641 places, 5244 transitions, 99433 flow [2023-11-30 06:47:25,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2023-11-30 06:47:25,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2023-11-30 06:47:25,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 10827 transitions. [2023-11-30 06:47:25,125 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5911547911547912 [2023-11-30 06:47:25,126 INFO L72 ComplementDD]: Start complementDD. Operand 99 states and 10827 transitions. [2023-11-30 06:47:25,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 99 states and 10827 transitions. [2023-11-30 06:47:25,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:47:25,127 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 99 states and 10827 transitions. [2023-11-30 06:47:25,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 100 states, 99 states have (on average 109.36363636363636) internal successors, (10827), 99 states have internal predecessors, (10827), 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 06:47:25,161 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 100 states, 100 states have (on average 185.0) internal successors, (18500), 100 states have internal predecessors, (18500), 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 06:47:25,162 INFO L81 ComplementDD]: Finished complementDD. Result has 100 states, 100 states have (on average 185.0) internal successors, (18500), 100 states have internal predecessors, (18500), 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 06:47:25,176 INFO L307 CegarLoopForPetriNet]: 143 programPoint places, 498 predicate places. [2023-11-30 06:47:25,176 INFO L500 AbstractCegarLoop]: Abstraction has has 641 places, 5244 transitions, 99433 flow [2023-11-30 06:47:25,177 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 103.62962962962963) internal successors, (2798), 27 states have internal predecessors, (2798), 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 06:47:25,177 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:47:25,177 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] [2023-11-30 06:47:25,177 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-30 06:47:25,177 INFO L425 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-30 06:47:25,177 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:47:25,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1716626791, now seen corresponding path program 2 times [2023-11-30 06:47:25,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:47:25,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765780731] [2023-11-30 06:47:25,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:47:25,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:47:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:47:26,216 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 06:47:26,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:47:26,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765780731] [2023-11-30 06:47:26,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765780731] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:47:26,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:47:26,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-11-30 06:47:26,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300264836] [2023-11-30 06:47:26,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:47:26,222 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-30 06:47:26,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:47:26,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-30 06:47:26,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=641, Unknown=0, NotChecked=0, Total=702 [2023-11-30 06:47:26,225 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 185 [2023-11-30 06:47:26,226 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 641 places, 5244 transitions, 99433 flow. Second operand has 27 states, 27 states have (on average 103.62962962962963) internal successors, (2798), 27 states have internal predecessors, (2798), 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 06:47:26,226 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:47:26,226 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 185 [2023-11-30 06:47:26,226 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:47:44,315 INFO L124 PetriNetUnfolderBase]: 15142/40004 cut-off events. [2023-11-30 06:47:44,315 INFO L125 PetriNetUnfolderBase]: For 189779/335166 co-relation queries the response was YES. [2023-11-30 06:47:44,376 INFO L83 FinitePrefix]: Finished finitePrefix Result has 269048 conditions, 40004 events. 15142/40004 cut-off events. For 189779/335166 co-relation queries the response was YES. Maximal size of possible extension queue 1131. Compared 464719 event pairs, 1271 based on Foata normal form. 699/37554 useless extension candidates. Maximal degree in co-relation 261414. Up to 15571 conditions per place. [2023-11-30 06:47:44,588 INFO L140 encePairwiseOnDemand]: 149/185 looper letters, 3880 selfloop transitions, 1613 changer transitions 488/6045 dead transitions. [2023-11-30 06:47:44,589 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 756 places, 6045 transitions, 125620 flow [2023-11-30 06:47:44,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2023-11-30 06:47:44,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2023-11-30 06:47:44,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 12719 transitions. [2023-11-30 06:47:44,595 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5926840633737186 [2023-11-30 06:47:44,595 INFO L72 ComplementDD]: Start complementDD. Operand 116 states and 12719 transitions. [2023-11-30 06:47:44,595 INFO L73 IsDeterministic]: Start isDeterministic. Operand 116 states and 12719 transitions. [2023-11-30 06:47:44,597 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:47:44,597 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 116 states and 12719 transitions. [2023-11-30 06:47:44,607 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 117 states, 116 states have (on average 109.64655172413794) internal successors, (12719), 116 states have internal predecessors, (12719), 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 06:47:44,616 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 117 states, 117 states have (on average 185.0) internal successors, (21645), 117 states have internal predecessors, (21645), 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 06:47:44,617 INFO L81 ComplementDD]: Finished complementDD. Result has 117 states, 117 states have (on average 185.0) internal successors, (21645), 117 states have internal predecessors, (21645), 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 06:47:44,617 INFO L307 CegarLoopForPetriNet]: 143 programPoint places, 613 predicate places. [2023-11-30 06:47:44,618 INFO L500 AbstractCegarLoop]: Abstraction has has 756 places, 6045 transitions, 125620 flow [2023-11-30 06:47:44,618 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 103.62962962962963) internal successors, (2798), 27 states have internal predecessors, (2798), 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 06:47:44,618 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:47:44,618 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] [2023-11-30 06:47:44,618 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-30 06:47:44,618 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 06:47:44,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:47:44,619 INFO L85 PathProgramCache]: Analyzing trace with hash 278812899, now seen corresponding path program 4 times [2023-11-30 06:47:44,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:47:44,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999491011] [2023-11-30 06:47:44,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:47:44,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:47:44,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:47:45,533 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 06:47:45,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:47:45,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999491011] [2023-11-30 06:47:45,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999491011] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:47:45,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:47:45,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-11-30 06:47:45,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258735016] [2023-11-30 06:47:45,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:47:45,534 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-30 06:47:45,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:47:45,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-30 06:47:45,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2023-11-30 06:47:45,536 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 185 [2023-11-30 06:47:45,537 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 756 places, 6045 transitions, 125620 flow. Second operand has 27 states, 27 states have (on average 103.62962962962963) internal successors, (2798), 27 states have internal predecessors, (2798), 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 06:47:45,537 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:47:45,537 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 185 [2023-11-30 06:47:45,537 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:48:03,394 INFO L124 PetriNetUnfolderBase]: 16211/42837 cut-off events. [2023-11-30 06:48:03,394 INFO L125 PetriNetUnfolderBase]: For 227410/322096 co-relation queries the response was YES. [2023-11-30 06:48:03,468 INFO L83 FinitePrefix]: Finished finitePrefix Result has 315808 conditions, 42837 events. 16211/42837 cut-off events. For 227410/322096 co-relation queries the response was YES. Maximal size of possible extension queue 1235. Compared 504372 event pairs, 1420 based on Foata normal form. 552/40031 useless extension candidates. Maximal degree in co-relation 307129. Up to 16758 conditions per place. [2023-11-30 06:48:03,737 INFO L140 encePairwiseOnDemand]: 149/185 looper letters, 4448 selfloop transitions, 1597 changer transitions 549/6658 dead transitions. [2023-11-30 06:48:03,738 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 851 places, 6658 transitions, 151709 flow [2023-11-30 06:48:03,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2023-11-30 06:48:03,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2023-11-30 06:48:03,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 10494 transitions. [2023-11-30 06:48:03,743 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5908783783783784 [2023-11-30 06:48:03,743 INFO L72 ComplementDD]: Start complementDD. Operand 96 states and 10494 transitions. [2023-11-30 06:48:03,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 96 states and 10494 transitions. [2023-11-30 06:48:03,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:48:03,745 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 96 states and 10494 transitions. [2023-11-30 06:48:03,752 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 97 states, 96 states have (on average 109.3125) internal successors, (10494), 96 states have internal predecessors, (10494), 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 06:48:03,761 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 97 states, 97 states have (on average 185.0) internal successors, (17945), 97 states have internal predecessors, (17945), 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 06:48:03,762 INFO L81 ComplementDD]: Finished complementDD. Result has 97 states, 97 states have (on average 185.0) internal successors, (17945), 97 states have internal predecessors, (17945), 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 06:48:03,762 INFO L307 CegarLoopForPetriNet]: 143 programPoint places, 708 predicate places. [2023-11-30 06:48:03,762 INFO L500 AbstractCegarLoop]: Abstraction has has 851 places, 6658 transitions, 151709 flow [2023-11-30 06:48:03,763 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 103.62962962962963) internal successors, (2798), 27 states have internal predecessors, (2798), 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 06:48:03,763 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:48:03,763 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] [2023-11-30 06:48:03,763 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-30 06:48:03,763 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 06:48:03,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:48:03,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1018714247, now seen corresponding path program 5 times [2023-11-30 06:48:03,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:48:03,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203264862] [2023-11-30 06:48:03,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:48:03,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:48:03,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:48:04,782 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 06:48:04,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:48:04,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203264862] [2023-11-30 06:48:04,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203264862] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:48:04,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:48:04,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-11-30 06:48:04,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840937915] [2023-11-30 06:48:04,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:48:04,783 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-30 06:48:04,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:48:04,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-30 06:48:04,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-11-30 06:48:04,785 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 185 [2023-11-30 06:48:04,787 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 851 places, 6658 transitions, 151709 flow. Second operand has 27 states, 27 states have (on average 103.62962962962963) internal successors, (2798), 27 states have internal predecessors, (2798), 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 06:48:04,787 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:48:04,787 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 185 [2023-11-30 06:48:04,787 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:48:28,812 INFO L124 PetriNetUnfolderBase]: 18402/47778 cut-off events. [2023-11-30 06:48:28,813 INFO L125 PetriNetUnfolderBase]: For 330575/543737 co-relation queries the response was YES. [2023-11-30 06:48:29,046 INFO L83 FinitePrefix]: Finished finitePrefix Result has 387610 conditions, 47778 events. 18402/47778 cut-off events. For 330575/543737 co-relation queries the response was YES. Maximal size of possible extension queue 1408. Compared 568598 event pairs, 1684 based on Foata normal form. 1175/45328 useless extension candidates. Maximal degree in co-relation 377592. Up to 19257 conditions per place. [2023-11-30 06:48:29,348 INFO L140 encePairwiseOnDemand]: 149/185 looper letters, 4769 selfloop transitions, 2390 changer transitions 658/7881 dead transitions. [2023-11-30 06:48:29,348 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 969 places, 7881 transitions, 195798 flow [2023-11-30 06:48:29,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-11-30 06:48:29,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2023-11-30 06:48:29,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 12948 transitions. [2023-11-30 06:48:29,354 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5881444469679764 [2023-11-30 06:48:29,354 INFO L72 ComplementDD]: Start complementDD. Operand 119 states and 12948 transitions. [2023-11-30 06:48:29,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 119 states and 12948 transitions. [2023-11-30 06:48:29,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:48:29,355 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 119 states and 12948 transitions. [2023-11-30 06:48:29,396 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 120 states, 119 states have (on average 108.80672268907563) internal successors, (12948), 119 states have internal predecessors, (12948), 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 06:48:29,406 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 120 states, 120 states have (on average 185.0) internal successors, (22200), 120 states have internal predecessors, (22200), 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 06:48:29,407 INFO L81 ComplementDD]: Finished complementDD. Result has 120 states, 120 states have (on average 185.0) internal successors, (22200), 120 states have internal predecessors, (22200), 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 06:48:29,408 INFO L307 CegarLoopForPetriNet]: 143 programPoint places, 826 predicate places. [2023-11-30 06:48:29,408 INFO L500 AbstractCegarLoop]: Abstraction has has 969 places, 7881 transitions, 195798 flow [2023-11-30 06:48:29,409 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 103.62962962962963) internal successors, (2798), 27 states have internal predecessors, (2798), 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 06:48:29,409 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:48:29,409 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] [2023-11-30 06:48:29,409 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-30 06:48:29,409 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 06:48:29,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:48:29,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1355086955, now seen corresponding path program 3 times [2023-11-30 06:48:29,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:48:29,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469192303] [2023-11-30 06:48:29,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:48:29,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:48:29,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:48:30,286 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 06:48:30,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:48:30,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469192303] [2023-11-30 06:48:30,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469192303] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:48:30,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:48:30,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-11-30 06:48:30,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041976610] [2023-11-30 06:48:30,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:48:30,287 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-30 06:48:30,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:48:30,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-30 06:48:30,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2023-11-30 06:48:30,289 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 185 [2023-11-30 06:48:30,290 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 969 places, 7881 transitions, 195798 flow. Second operand has 27 states, 27 states have (on average 103.62962962962963) internal successors, (2798), 27 states have internal predecessors, (2798), 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 06:48:30,290 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:48:30,290 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 185 [2023-11-30 06:48:30,290 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:49:04,422 INFO L124 PetriNetUnfolderBase]: 23378/60921 cut-off events. [2023-11-30 06:49:04,423 INFO L125 PetriNetUnfolderBase]: For 491286/697656 co-relation queries the response was YES. [2023-11-30 06:49:04,532 INFO L83 FinitePrefix]: Finished finitePrefix Result has 532089 conditions, 60921 events. 23378/60921 cut-off events. For 491286/697656 co-relation queries the response was YES. Maximal size of possible extension queue 1887. Compared 753218 event pairs, 2133 based on Foata normal form. 1223/57778 useless extension candidates. Maximal degree in co-relation 516126. Up to 25489 conditions per place. [2023-11-30 06:49:05,030 INFO L140 encePairwiseOnDemand]: 149/185 looper letters, 6418 selfloop transitions, 2712 changer transitions 1010/10204 dead transitions. [2023-11-30 06:49:05,030 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1061 places, 10204 transitions, 273237 flow [2023-11-30 06:49:05,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2023-11-30 06:49:05,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2023-11-30 06:49:05,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 10186 transitions. [2023-11-30 06:49:05,035 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5920371984888114 [2023-11-30 06:49:05,035 INFO L72 ComplementDD]: Start complementDD. Operand 93 states and 10186 transitions. [2023-11-30 06:49:05,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 93 states and 10186 transitions. [2023-11-30 06:49:05,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:49:05,036 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 93 states and 10186 transitions. [2023-11-30 06:49:05,049 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 94 states, 93 states have (on average 109.52688172043011) internal successors, (10186), 93 states have internal predecessors, (10186), 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 06:49:05,089 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 94 states, 94 states have (on average 185.0) internal successors, (17390), 94 states have internal predecessors, (17390), 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 06:49:05,090 INFO L81 ComplementDD]: Finished complementDD. Result has 94 states, 94 states have (on average 185.0) internal successors, (17390), 94 states have internal predecessors, (17390), 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 06:49:05,091 INFO L307 CegarLoopForPetriNet]: 143 programPoint places, 918 predicate places. [2023-11-30 06:49:05,091 INFO L500 AbstractCegarLoop]: Abstraction has has 1061 places, 10204 transitions, 273237 flow [2023-11-30 06:49:05,092 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 103.62962962962963) internal successors, (2798), 27 states have internal predecessors, (2798), 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 06:49:05,092 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:49:05,092 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] [2023-11-30 06:49:05,092 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-30 06:49:05,092 INFO L425 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-30 06:49:05,092 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:49:05,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1837991327, now seen corresponding path program 4 times [2023-11-30 06:49:05,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:49:05,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701335291] [2023-11-30 06:49:05,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:49:05,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:49:05,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:49:06,261 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 06:49:06,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:49:06,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701335291] [2023-11-30 06:49:06,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701335291] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:49:06,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:49:06,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-11-30 06:49:06,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473423008] [2023-11-30 06:49:06,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:49:06,262 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-30 06:49:06,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:49:06,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-30 06:49:06,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=638, Unknown=0, NotChecked=0, Total=702 [2023-11-30 06:49:06,264 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 185 [2023-11-30 06:49:06,265 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1061 places, 10204 transitions, 273237 flow. Second operand has 27 states, 27 states have (on average 103.62962962962963) internal successors, (2798), 27 states have internal predecessors, (2798), 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 06:49:06,265 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:49:06,265 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 185 [2023-11-30 06:49:06,265 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:49:57,849 INFO L124 PetriNetUnfolderBase]: 25657/65728 cut-off events. [2023-11-30 06:49:57,849 INFO L125 PetriNetUnfolderBase]: For 627600/988068 co-relation queries the response was YES. [2023-11-30 06:49:57,986 INFO L83 FinitePrefix]: Finished finitePrefix Result has 624708 conditions, 65728 events. 25657/65728 cut-off events. For 627600/988068 co-relation queries the response was YES. Maximal size of possible extension queue 2083. Compared 814445 event pairs, 2139 based on Foata normal form. 3592/64735 useless extension candidates. Maximal degree in co-relation 605670. Up to 28321 conditions per place. [2023-11-30 06:49:58,567 INFO L140 encePairwiseOnDemand]: 148/185 looper letters, 6937 selfloop transitions, 3633 changer transitions 1147/11781 dead transitions. [2023-11-30 06:49:58,568 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1170 places, 11781 transitions, 337786 flow [2023-11-30 06:49:58,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2023-11-30 06:49:58,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2023-11-30 06:49:58,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 12110 transitions. [2023-11-30 06:49:58,590 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5950859950859951 [2023-11-30 06:49:58,590 INFO L72 ComplementDD]: Start complementDD. Operand 110 states and 12110 transitions. [2023-11-30 06:49:58,590 INFO L73 IsDeterministic]: Start isDeterministic. Operand 110 states and 12110 transitions. [2023-11-30 06:49:58,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:49:58,592 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 110 states and 12110 transitions. [2023-11-30 06:49:58,599 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 111 states, 110 states have (on average 110.0909090909091) internal successors, (12110), 110 states have internal predecessors, (12110), 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 06:49:58,608 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 111 states, 111 states have (on average 185.0) internal successors, (20535), 111 states have internal predecessors, (20535), 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 06:49:58,609 INFO L81 ComplementDD]: Finished complementDD. Result has 111 states, 111 states have (on average 185.0) internal successors, (20535), 111 states have internal predecessors, (20535), 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 06:49:58,610 INFO L307 CegarLoopForPetriNet]: 143 programPoint places, 1027 predicate places. [2023-11-30 06:49:58,610 INFO L500 AbstractCegarLoop]: Abstraction has has 1170 places, 11781 transitions, 337786 flow [2023-11-30 06:49:58,611 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 103.62962962962963) internal successors, (2798), 27 states have internal predecessors, (2798), 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 06:49:58,611 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:49:58,611 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] [2023-11-30 06:49:58,611 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-30 06:49:58,611 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 06:49:58,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:49:58,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1129636715, now seen corresponding path program 5 times [2023-11-30 06:49:58,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:49:58,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343408971] [2023-11-30 06:49:58,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:49:58,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:49:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:49:59,644 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 06:49:59,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:49:59,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343408971] [2023-11-30 06:49:59,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343408971] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:49:59,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:49:59,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-11-30 06:49:59,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783768221] [2023-11-30 06:49:59,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:49:59,645 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-30 06:49:59,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:49:59,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-30 06:49:59,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2023-11-30 06:49:59,646 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 185 [2023-11-30 06:49:59,648 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1170 places, 11781 transitions, 337786 flow. Second operand has 27 states, 27 states have (on average 103.62962962962963) internal successors, (2798), 27 states have internal predecessors, (2798), 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 06:49:59,648 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:49:59,648 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 185 [2023-11-30 06:49:59,648 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:51:01,575 INFO L124 PetriNetUnfolderBase]: 28490/71388 cut-off events. [2023-11-30 06:51:01,575 INFO L125 PetriNetUnfolderBase]: For 742726/1081464 co-relation queries the response was YES. [2023-11-30 06:51:01,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 735056 conditions, 71388 events. 28490/71388 cut-off events. For 742726/1081464 co-relation queries the response was YES. Maximal size of possible extension queue 2287. Compared 884913 event pairs, 2404 based on Foata normal form. 2370/69001 useless extension candidates. Maximal degree in co-relation 713834. Up to 31684 conditions per place. [2023-11-30 06:51:02,452 INFO L140 encePairwiseOnDemand]: 148/185 looper letters, 8015 selfloop transitions, 4369 changer transitions 1283/13731 dead transitions. [2023-11-30 06:51:02,453 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1285 places, 13731 transitions, 421504 flow [2023-11-30 06:51:02,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2023-11-30 06:51:02,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2023-11-30 06:51:02,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 12784 transitions. [2023-11-30 06:51:02,458 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.595712954333644 [2023-11-30 06:51:02,458 INFO L72 ComplementDD]: Start complementDD. Operand 116 states and 12784 transitions. [2023-11-30 06:51:02,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 116 states and 12784 transitions. [2023-11-30 06:51:02,460 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:51:02,460 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 116 states and 12784 transitions. [2023-11-30 06:51:02,466 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 117 states, 116 states have (on average 110.20689655172414) internal successors, (12784), 116 states have internal predecessors, (12784), 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 06:51:02,475 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 117 states, 117 states have (on average 185.0) internal successors, (21645), 117 states have internal predecessors, (21645), 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 06:51:02,476 INFO L81 ComplementDD]: Finished complementDD. Result has 117 states, 117 states have (on average 185.0) internal successors, (21645), 117 states have internal predecessors, (21645), 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 06:51:02,477 INFO L307 CegarLoopForPetriNet]: 143 programPoint places, 1142 predicate places. [2023-11-30 06:51:02,477 INFO L500 AbstractCegarLoop]: Abstraction has has 1285 places, 13731 transitions, 421504 flow [2023-11-30 06:51:02,477 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 103.62962962962963) internal successors, (2798), 27 states have internal predecessors, (2798), 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 06:51:02,477 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:51:02,477 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] [2023-11-30 06:51:02,477 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-30 06:51:02,477 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 06:51:02,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:51:02,478 INFO L85 PathProgramCache]: Analyzing trace with hash -171157225, now seen corresponding path program 6 times [2023-11-30 06:51:02,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:51:02,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906860414] [2023-11-30 06:51:02,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:51:02,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:51:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:51:03,390 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 06:51:03,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:51:03,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906860414] [2023-11-30 06:51:03,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906860414] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:51:03,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:51:03,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-11-30 06:51:03,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704587360] [2023-11-30 06:51:03,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:51:03,391 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-30 06:51:03,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:51:03,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-30 06:51:03,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2023-11-30 06:51:03,393 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 185 [2023-11-30 06:51:03,394 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1285 places, 13731 transitions, 421504 flow. Second operand has 27 states, 27 states have (on average 103.62962962962963) internal successors, (2798), 27 states have internal predecessors, (2798), 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 06:51:03,394 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:51:03,394 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 185 [2023-11-30 06:51:03,394 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:52:21,988 INFO L124 PetriNetUnfolderBase]: 30482/77573 cut-off events. [2023-11-30 06:52:21,988 INFO L125 PetriNetUnfolderBase]: For 916284/1343880 co-relation queries the response was YES. [2023-11-30 06:52:22,123 INFO L83 FinitePrefix]: Finished finitePrefix Result has 840964 conditions, 77573 events. 30482/77573 cut-off events. For 916284/1343880 co-relation queries the response was YES. Maximal size of possible extension queue 2504. Compared 981608 event pairs, 2426 based on Foata normal form. 3825/76253 useless extension candidates. Maximal degree in co-relation 817035. Up to 34155 conditions per place. [2023-11-30 06:52:22,808 INFO L140 encePairwiseOnDemand]: 149/185 looper letters, 8943 selfloop transitions, 4538 changer transitions 1566/15111 dead transitions. [2023-11-30 06:52:22,809 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1410 places, 15111 transitions, 495036 flow [2023-11-30 06:52:22,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2023-11-30 06:52:22,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2023-11-30 06:52:22,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 13679 transitions. [2023-11-30 06:52:22,814 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5868296868296868 [2023-11-30 06:52:22,814 INFO L72 ComplementDD]: Start complementDD. Operand 126 states and 13679 transitions. [2023-11-30 06:52:22,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 126 states and 13679 transitions. [2023-11-30 06:52:22,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:52:22,816 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 126 states and 13679 transitions. [2023-11-30 06:52:22,823 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 127 states, 126 states have (on average 108.56349206349206) internal successors, (13679), 126 states have internal predecessors, (13679), 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 06:52:22,832 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 127 states, 127 states have (on average 185.0) internal successors, (23495), 127 states have internal predecessors, (23495), 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 06:52:22,833 INFO L81 ComplementDD]: Finished complementDD. Result has 127 states, 127 states have (on average 185.0) internal successors, (23495), 127 states have internal predecessors, (23495), 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 06:52:22,833 INFO L307 CegarLoopForPetriNet]: 143 programPoint places, 1267 predicate places. [2023-11-30 06:52:22,833 INFO L500 AbstractCegarLoop]: Abstraction has has 1410 places, 15111 transitions, 495036 flow [2023-11-30 06:52:22,834 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 103.62962962962963) internal successors, (2798), 27 states have internal predecessors, (2798), 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 06:52:22,834 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:52:22,834 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] [2023-11-30 06:52:22,834 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-30 06:52:22,834 INFO L425 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-30 06:52:22,834 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:52:22,834 INFO L85 PathProgramCache]: Analyzing trace with hash -360764801, now seen corresponding path program 7 times [2023-11-30 06:52:22,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:52:22,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274734494] [2023-11-30 06:52:22,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:52:22,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:52:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:52:23,767 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 06:52:23,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:52:23,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274734494] [2023-11-30 06:52:23,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274734494] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:52:23,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:52:23,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-11-30 06:52:23,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727904016] [2023-11-30 06:52:23,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:52:23,768 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-30 06:52:23,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:52:23,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-30 06:52:23,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-11-30 06:52:23,769 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 185 [2023-11-30 06:52:23,770 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1410 places, 15111 transitions, 495036 flow. Second operand has 27 states, 27 states have (on average 103.62962962962963) internal successors, (2798), 27 states have internal predecessors, (2798), 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 06:52:23,770 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:52:23,770 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 185 [2023-11-30 06:52:23,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:54:05,777 INFO L124 PetriNetUnfolderBase]: 31651/79398 cut-off events. [2023-11-30 06:54:05,777 INFO L125 PetriNetUnfolderBase]: For 1037985/1424433 co-relation queries the response was YES. [2023-11-30 06:54:06,038 INFO L83 FinitePrefix]: Finished finitePrefix Result has 925265 conditions, 79398 events. 31651/79398 cut-off events. For 1037985/1424433 co-relation queries the response was YES. Maximal size of possible extension queue 2633. Compared 1002363 event pairs, 2831 based on Foata normal form. 6798/81056 useless extension candidates. Maximal degree in co-relation 899014. Up to 35632 conditions per place. [2023-11-30 06:54:06,776 INFO L140 encePairwiseOnDemand]: 149/185 looper letters, 7544 selfloop transitions, 6893 changer transitions 1757/16258 dead transitions. [2023-11-30 06:54:06,776 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1588 places, 16258 transitions, 565222 flow [2023-11-30 06:54:06,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2023-11-30 06:54:06,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2023-11-30 06:54:06,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 19402 transitions. [2023-11-30 06:54:06,785 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5858976294730485 [2023-11-30 06:54:06,785 INFO L72 ComplementDD]: Start complementDD. Operand 179 states and 19402 transitions. [2023-11-30 06:54:06,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 179 states and 19402 transitions. [2023-11-30 06:54:06,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:54:06,788 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 179 states and 19402 transitions. [2023-11-30 06:54:06,799 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 180 states, 179 states have (on average 108.39106145251397) internal successors, (19402), 179 states have internal predecessors, (19402), 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 06:54:06,816 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 180 states, 180 states have (on average 185.0) internal successors, (33300), 180 states have internal predecessors, (33300), 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 06:54:06,822 INFO L81 ComplementDD]: Finished complementDD. Result has 180 states, 180 states have (on average 185.0) internal successors, (33300), 180 states have internal predecessors, (33300), 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 06:54:06,822 INFO L307 CegarLoopForPetriNet]: 143 programPoint places, 1445 predicate places. [2023-11-30 06:54:06,822 INFO L500 AbstractCegarLoop]: Abstraction has has 1588 places, 16258 transitions, 565222 flow [2023-11-30 06:54:06,823 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 103.62962962962963) internal successors, (2798), 27 states have internal predecessors, (2798), 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 06:54:06,823 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:54:06,823 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] [2023-11-30 06:54:06,823 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-30 06:54:06,823 INFO L425 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-30 06:54:06,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:54:06,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1098875359, now seen corresponding path program 8 times [2023-11-30 06:54:06,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:54:06,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843072190] [2023-11-30 06:54:06,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:54:06,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:54:06,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:54:07,716 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 06:54:07,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:54:07,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843072190] [2023-11-30 06:54:07,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843072190] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:54:07,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:54:07,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-11-30 06:54:07,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62833818] [2023-11-30 06:54:07,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:54:07,716 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-30 06:54:07,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:54:07,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-30 06:54:07,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2023-11-30 06:54:07,718 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 185 [2023-11-30 06:54:07,719 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1588 places, 16258 transitions, 565222 flow. Second operand has 27 states, 27 states have (on average 103.62962962962963) internal successors, (2798), 27 states have internal predecessors, (2798), 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 06:54:07,720 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:54:07,720 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 185 [2023-11-30 06:54:07,720 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:55:56,526 INFO L124 PetriNetUnfolderBase]: 33168/84619 cut-off events. [2023-11-30 06:55:56,526 INFO L125 PetriNetUnfolderBase]: For 1148388/1470582 co-relation queries the response was YES. [2023-11-30 06:55:56,675 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1031428 conditions, 84619 events. 33168/84619 cut-off events. For 1148388/1470582 co-relation queries the response was YES. Maximal size of possible extension queue 2801. Compared 1089187 event pairs, 2994 based on Foata normal form. 3447/82537 useless extension candidates. Maximal degree in co-relation 1002541. Up to 37553 conditions per place. [2023-11-30 06:55:57,695 INFO L140 encePairwiseOnDemand]: 149/185 looper letters, 10090 selfloop transitions, 4944 changer transitions 1976/17074 dead transitions. [2023-11-30 06:55:57,696 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1674 places, 17074 transitions, 628320 flow [2023-11-30 06:55:57,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-11-30 06:55:57,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2023-11-30 06:55:57,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 9585 transitions. [2023-11-30 06:55:57,700 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5955265610438024 [2023-11-30 06:55:57,700 INFO L72 ComplementDD]: Start complementDD. Operand 87 states and 9585 transitions. [2023-11-30 06:55:57,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 87 states and 9585 transitions. [2023-11-30 06:55:57,701 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:55:57,701 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 87 states and 9585 transitions. [2023-11-30 06:55:57,706 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 88 states, 87 states have (on average 110.17241379310344) internal successors, (9585), 87 states have internal predecessors, (9585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:55:57,712 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 88 states, 88 states have (on average 185.0) internal successors, (16280), 88 states have internal predecessors, (16280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:55:57,713 INFO L81 ComplementDD]: Finished complementDD. Result has 88 states, 88 states have (on average 185.0) internal successors, (16280), 88 states have internal predecessors, (16280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:55:57,713 INFO L307 CegarLoopForPetriNet]: 143 programPoint places, 1531 predicate places. [2023-11-30 06:55:57,713 INFO L500 AbstractCegarLoop]: Abstraction has has 1674 places, 17074 transitions, 628320 flow [2023-11-30 06:55:57,714 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 103.62962962962963) internal successors, (2798), 27 states have internal predecessors, (2798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:55:57,714 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:55:57,714 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] [2023-11-30 06:55:57,714 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-30 06:55:57,714 INFO L425 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-30 06:55:57,714 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:55:57,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1634399657, now seen corresponding path program 9 times [2023-11-30 06:55:57,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:55:57,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245267408] [2023-11-30 06:55:57,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:55:57,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:55:57,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:55:58,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 06:55:58,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:55:58,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245267408] [2023-11-30 06:55:58,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245267408] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:55:58,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:55:58,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-11-30 06:55:58,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239850072] [2023-11-30 06:55:58,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:55:58,640 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-30 06:55:58,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:55:58,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-30 06:55:58,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2023-11-30 06:55:58,642 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 185 [2023-11-30 06:55:58,643 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1674 places, 17074 transitions, 628320 flow. Second operand has 27 states, 27 states have (on average 103.62962962962963) internal successors, (2798), 27 states have internal predecessors, (2798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:55:58,643 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:55:58,643 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 185 [2023-11-30 06:55:58,643 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:58:10,621 INFO L124 PetriNetUnfolderBase]: 33985/87248 cut-off events. [2023-11-30 06:58:10,621 INFO L125 PetriNetUnfolderBase]: For 1347844/1852896 co-relation queries the response was YES. [2023-11-30 06:58:10,774 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1115887 conditions, 87248 events. 33985/87248 cut-off events. For 1347844/1852896 co-relation queries the response was YES. Maximal size of possible extension queue 2927. Compared 1132164 event pairs, 3148 based on Foata normal form. 4051/85647 useless extension candidates. Maximal degree in co-relation 1084464. Up to 38614 conditions per place. [2023-11-30 06:58:11,652 INFO L140 encePairwiseOnDemand]: 149/185 looper letters, 10278 selfloop transitions, 5151 changer transitions 2167/17660 dead transitions. [2023-11-30 06:58:11,652 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1760 places, 17660 transitions, 685558 flow [2023-11-30 06:58:11,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-11-30 06:58:11,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2023-11-30 06:58:11,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 9582 transitions. [2023-11-30 06:58:11,656 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5953401677539608 [2023-11-30 06:58:11,656 INFO L72 ComplementDD]: Start complementDD. Operand 87 states and 9582 transitions. [2023-11-30 06:58:11,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 87 states and 9582 transitions. [2023-11-30 06:58:11,657 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:58:11,657 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 87 states and 9582 transitions. [2023-11-30 06:58:11,662 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 88 states, 87 states have (on average 110.13793103448276) internal successors, (9582), 87 states have internal predecessors, (9582), 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 06:58:11,668 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 88 states, 88 states have (on average 185.0) internal successors, (16280), 88 states have internal predecessors, (16280), 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 06:58:11,669 INFO L81 ComplementDD]: Finished complementDD. Result has 88 states, 88 states have (on average 185.0) internal successors, (16280), 88 states have internal predecessors, (16280), 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 06:58:11,669 INFO L307 CegarLoopForPetriNet]: 143 programPoint places, 1617 predicate places. [2023-11-30 06:58:11,669 INFO L500 AbstractCegarLoop]: Abstraction has has 1760 places, 17660 transitions, 685558 flow [2023-11-30 06:58:11,669 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 103.62962962962963) internal successors, (2798), 27 states have internal predecessors, (2798), 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 06:58:11,669 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:58:11,670 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] [2023-11-30 06:58:11,670 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-30 06:58:11,670 INFO L425 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-30 06:58:11,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:58:11,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1048081725, now seen corresponding path program 10 times [2023-11-30 06:58:11,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:58:11,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945802032] [2023-11-30 06:58:11,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:58:11,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:58:11,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:58:12,639 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 06:58:12,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:58:12,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945802032] [2023-11-30 06:58:12,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945802032] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:58:12,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:58:12,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-11-30 06:58:12,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494651454] [2023-11-30 06:58:12,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:58:12,640 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-30 06:58:12,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:58:12,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-30 06:58:12,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2023-11-30 06:58:12,641 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 185 [2023-11-30 06:58:12,642 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1760 places, 17660 transitions, 685558 flow. Second operand has 27 states, 27 states have (on average 103.62962962962963) internal successors, (2798), 27 states have internal predecessors, (2798), 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 06:58:12,642 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:58:12,643 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 185 [2023-11-30 06:58:12,643 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2023-11-30 06:59:45,672 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 06:59:45,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-11-30 06:59:45,769 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-30 06:59:45,769 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-30 06:59:45,769 WARN L624 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (27states, 102/185 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 775477 conditions, 48794 events (23995/48793 cut-off events. For 852768/1438977 co-relation queries the response was YES. Maximal size of possible extension queue 3085. Compared 567278 event pairs, 877 based on Foata normal form. 2830/51712 useless extension candidates. Maximal degree in co-relation 771229. Up to 28238 conditions per place.). [2023-11-30 06:59:45,771 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2023-11-30 06:59:45,771 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 8 remaining) [2023-11-30 06:59:45,771 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-30 06:59:45,771 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-30 06:59:45,771 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-30 06:59:45,771 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-30 06:59:45,771 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-30 06:59:45,771 INFO L457 BasicCegarLoop]: Path program histogram: [10, 5, 3, 1, 1] [2023-11-30 06:59:45,774 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 06:59:45,774 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 06:59:45,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 06:59:45 BasicIcfg [2023-11-30 06:59:45,777 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 06:59:45,777 INFO L158 Benchmark]: Toolchain (without parser) took 807519.81ms. Allocated memory was 350.2MB in the beginning and 7.5GB in the end (delta: 7.2GB). Free memory was 299.2MB in the beginning and 3.6GB in the end (delta: -3.3GB). Peak memory consumption was 4.3GB. Max. memory is 16.0GB. [2023-11-30 06:59:45,777 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 350.2MB. Free memory is still 306.0MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 06:59:45,778 INFO L158 Benchmark]: CACSL2BoogieTranslator took 818.19ms. Allocated memory was 350.2MB in the beginning and 446.7MB in the end (delta: 96.5MB). Free memory was 298.7MB in the beginning and 402.2MB in the end (delta: -103.4MB). Peak memory consumption was 50.1MB. Max. memory is 16.0GB. [2023-11-30 06:59:45,778 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.14ms. Allocated memory is still 446.7MB. Free memory was 402.2MB in the beginning and 399.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-11-30 06:59:45,778 INFO L158 Benchmark]: Boogie Preprocessor took 43.16ms. Allocated memory is still 446.7MB. Free memory was 399.0MB in the beginning and 395.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 06:59:45,778 INFO L158 Benchmark]: RCFGBuilder took 569.24ms. Allocated memory is still 446.7MB. Free memory was 395.9MB in the beginning and 367.5MB in the end (delta: 28.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.0GB. [2023-11-30 06:59:45,778 INFO L158 Benchmark]: TraceAbstraction took 806015.86ms. Allocated memory was 446.7MB in the beginning and 7.5GB in the end (delta: 7.1GB). Free memory was 367.5MB in the beginning and 3.6GB in the end (delta: -3.2GB). Peak memory consumption was 4.3GB. Max. memory is 16.0GB. [2023-11-30 06:59:45,779 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 350.2MB. Free memory is still 306.0MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 818.19ms. Allocated memory was 350.2MB in the beginning and 446.7MB in the end (delta: 96.5MB). Free memory was 298.7MB in the beginning and 402.2MB in the end (delta: -103.4MB). Peak memory consumption was 50.1MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 67.14ms. Allocated memory is still 446.7MB. Free memory was 402.2MB in the beginning and 399.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 43.16ms. Allocated memory is still 446.7MB. Free memory was 399.0MB in the beginning and 395.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 569.24ms. Allocated memory is still 446.7MB. Free memory was 395.9MB in the beginning and 367.5MB in the end (delta: 28.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.0GB. * TraceAbstraction took 806015.86ms. Allocated memory was 446.7MB in the beginning and 7.5GB in the end (delta: 7.1GB). Free memory was 367.5MB in the beginning and 3.6GB in the end (delta: -3.2GB). Peak memory consumption was 4.3GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1699]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (27states, 102/185 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 775477 conditions, 48794 events (23995/48793 cut-off events. For 852768/1438977 co-relation queries the response was YES. Maximal size of possible extension queue 3085. Compared 567278 event pairs, 877 based on Foata normal form. 2830/51712 useless extension candidates. Maximal degree in co-relation 771229. Up to 28238 conditions per place.). - TimeoutResultAtElement [Line: 1711]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (27states, 102/185 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 775477 conditions, 48794 events (23995/48793 cut-off events. For 852768/1438977 co-relation queries the response was YES. Maximal size of possible extension queue 3085. Compared 567278 event pairs, 877 based on Foata normal form. 2830/51712 useless extension candidates. Maximal degree in co-relation 771229. Up to 28238 conditions per place.). - TimeoutResultAtElement [Line: 1712]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (27states, 102/185 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 775477 conditions, 48794 events (23995/48793 cut-off events. For 852768/1438977 co-relation queries the response was YES. Maximal size of possible extension queue 3085. Compared 567278 event pairs, 877 based on Foata normal form. 2830/51712 useless extension candidates. Maximal degree in co-relation 771229. Up to 28238 conditions per place.). - TimeoutResultAtElement [Line: 1699]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (27states, 102/185 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 775477 conditions, 48794 events (23995/48793 cut-off events. For 852768/1438977 co-relation queries the response was YES. Maximal size of possible extension queue 3085. Compared 567278 event pairs, 877 based on Foata normal form. 2830/51712 useless extension candidates. Maximal degree in co-relation 771229. Up to 28238 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 193 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: 805.9s, OverallIterations: 20, TraceHistogramMax: 1, PathProgramHistogramMax: 10, EmptinessCheckTime: 0.0s, AutomataDifference: 786.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20536 SdHoareTripleChecker+Valid, 22.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20536 mSDsluCounter, 22638 SdHoareTripleChecker+Invalid, 19.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20894 mSDsCounter, 821 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42266 IncrementalHoareTripleChecker+Invalid, 43087 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 821 mSolverCounterUnsat, 1744 mSDtfsCounter, 42266 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2106 GetRequests, 36 SyntacticMatches, 4 SemanticMatches, 2066 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74758 ImplicationChecksByTransitivity, 104.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=685558occurred in iteration=19, InterpolantAutomatonStates: 1642, 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, 0.2s SatisfiabilityAnalysisTime, 18.8s InterpolantComputationTime, 1266 NumberOfCodeBlocks, 1266 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1246 ConstructedInterpolants, 0 QuantifiedInterpolants, 17624 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 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