/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf --traceabstraction.order.of.the.error.locations.to.be.checked PROGRAM_FIRST -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/weaver/chl-time-subst.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-27 13:05:33,201 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-27 13:05:33,267 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-VariableLbe.epf [2023-08-27 13:05:33,273 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-27 13:05:33,273 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-27 13:05:33,298 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-27 13:05:33,299 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-27 13:05:33,299 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-27 13:05:33,299 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-27 13:05:33,303 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-27 13:05:33,303 INFO L153 SettingsManager]: * Use SBE=true [2023-08-27 13:05:33,303 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-27 13:05:33,303 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-27 13:05:33,304 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-27 13:05:33,304 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-27 13:05:33,304 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-27 13:05:33,305 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-27 13:05:33,305 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-27 13:05:33,305 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-27 13:05:33,305 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-27 13:05:33,305 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-27 13:05:33,306 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-27 13:05:33,306 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-27 13:05:33,306 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-27 13:05:33,306 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-27 13:05:33,307 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-27 13:05:33,307 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-27 13:05:33,307 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-27 13:05:33,307 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-27 13:05:33,307 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-27 13:05:33,308 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-27 13:05:33,308 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-27 13:05:33,308 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-27 13:05:33,308 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-27 13:05:33,308 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-27 13:05:33,309 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> PROGRAM_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-08-27 13:05:33,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-27 13:05:33,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-27 13:05:33,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-27 13:05:33,599 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-27 13:05:33,599 INFO L274 PluginConnector]: CDTParser initialized [2023-08-27 13:05:33,600 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-time-subst.wvr.c [2023-08-27 13:05:34,673 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-27 13:05:34,838 INFO L384 CDTParser]: Found 1 translation units. [2023-08-27 13:05:34,838 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-time-subst.wvr.c [2023-08-27 13:05:34,842 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29a267fb3/d8372b6f3f54454fa3b747064cc84029/FLAG0e96dd755 [2023-08-27 13:05:34,851 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29a267fb3/d8372b6f3f54454fa3b747064cc84029 [2023-08-27 13:05:34,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-27 13:05:34,853 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-27 13:05:34,854 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-27 13:05:34,854 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-27 13:05:34,856 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-27 13:05:34,856 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 01:05:34" (1/1) ... [2023-08-27 13:05:34,857 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354db579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:05:34, skipping insertion in model container [2023-08-27 13:05:34,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 01:05:34" (1/1) ... [2023-08-27 13:05:34,873 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-27 13:05:34,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-27 13:05:34,980 INFO L201 MainTranslator]: Completed pre-run [2023-08-27 13:05:35,015 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-27 13:05:35,021 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-27 13:05:35,021 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-27 13:05:35,027 INFO L206 MainTranslator]: Completed translation [2023-08-27 13:05:35,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:05:35 WrapperNode [2023-08-27 13:05:35,027 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-27 13:05:35,028 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-27 13:05:35,028 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-27 13:05:35,028 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-27 13:05:35,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:05:35" (1/1) ... [2023-08-27 13:05:35,047 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:05:35" (1/1) ... [2023-08-27 13:05:35,080 INFO L138 Inliner]: procedures = 23, calls = 40, calls flagged for inlining = 12, calls inlined = 22, statements flattened = 309 [2023-08-27 13:05:35,080 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-27 13:05:35,081 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-27 13:05:35,081 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-27 13:05:35,081 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-27 13:05:35,090 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:05:35" (1/1) ... [2023-08-27 13:05:35,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:05:35" (1/1) ... [2023-08-27 13:05:35,098 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:05:35" (1/1) ... [2023-08-27 13:05:35,098 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:05:35" (1/1) ... [2023-08-27 13:05:35,103 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:05:35" (1/1) ... [2023-08-27 13:05:35,105 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:05:35" (1/1) ... [2023-08-27 13:05:35,106 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:05:35" (1/1) ... [2023-08-27 13:05:35,107 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:05:35" (1/1) ... [2023-08-27 13:05:35,120 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-27 13:05:35,121 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-27 13:05:35,121 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-27 13:05:35,121 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-27 13:05:35,122 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:05:35" (1/1) ... [2023-08-27 13:05:35,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-27 13:05:35,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-27 13:05:35,184 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) [2023-08-27 13:05:35,200 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 [2023-08-27 13:05:35,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-27 13:05:35,210 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-27 13:05:35,210 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-27 13:05:35,210 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-27 13:05:35,210 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-27 13:05:35,210 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-27 13:05:35,210 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-27 13:05:35,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-27 13:05:35,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-27 13:05:35,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-27 13:05:35,211 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-27 13:05:35,211 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-27 13:05:35,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-27 13:05:35,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-27 13:05:35,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-27 13:05:35,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-27 13:05:35,212 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-27 13:05:35,286 INFO L236 CfgBuilder]: Building ICFG [2023-08-27 13:05:35,288 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-27 13:05:35,664 INFO L277 CfgBuilder]: Performing block encoding [2023-08-27 13:05:36,668 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-27 13:05:36,668 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-27 13:05:36,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 01:05:36 BoogieIcfgContainer [2023-08-27 13:05:36,670 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-27 13:05:36,673 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-27 13:05:36,673 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-27 13:05:36,675 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-27 13:05:36,675 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 01:05:34" (1/3) ... [2023-08-27 13:05:36,676 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60e162e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 01:05:36, skipping insertion in model container [2023-08-27 13:05:36,676 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:05:35" (2/3) ... [2023-08-27 13:05:36,676 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60e162e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 01:05:36, skipping insertion in model container [2023-08-27 13:05:36,676 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 01:05:36" (3/3) ... [2023-08-27 13:05:36,678 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-time-subst.wvr.c [2023-08-27 13:05:36,690 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-27 13:05:36,691 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 37 error locations. [2023-08-27 13:05:36,691 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-27 13:05:37,024 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-27 13:05:37,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 160 places, 151 transitions, 326 flow [2023-08-27 13:05:37,174 INFO L124 PetriNetUnfolderBase]: 1/148 cut-off events. [2023-08-27 13:05:37,174 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-08-27 13:05:37,177 INFO L83 FinitePrefix]: Finished finitePrefix Result has 161 conditions, 148 events. 1/148 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 223 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 58. Up to 2 conditions per place. [2023-08-27 13:05:37,177 INFO L82 GeneralOperation]: Start removeDead. Operand has 160 places, 151 transitions, 326 flow [2023-08-27 13:05:37,180 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 146 places, 137 transitions, 292 flow [2023-08-27 13:05:37,182 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 13:05:37,187 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 146 places, 137 transitions, 292 flow [2023-08-27 13:05:37,189 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 146 places, 137 transitions, 292 flow [2023-08-27 13:05:37,189 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 146 places, 137 transitions, 292 flow [2023-08-27 13:05:37,230 INFO L124 PetriNetUnfolderBase]: 1/137 cut-off events. [2023-08-27 13:05:37,230 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-08-27 13:05:37,230 INFO L83 FinitePrefix]: Finished finitePrefix Result has 150 conditions, 137 events. 1/137 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 219 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2023-08-27 13:05:37,232 INFO L119 LiptonReduction]: Number of co-enabled transitions 2430 [2023-08-27 13:05:51,511 INFO L134 LiptonReduction]: Checked pairs total: 2085 [2023-08-27 13:05:51,511 INFO L136 LiptonReduction]: Total number of compositions: 90 [2023-08-27 13:05:51,525 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-27 13:05:51,529 INFO L357 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=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@2977cbbb, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 13:05:51,530 INFO L358 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2023-08-27 13:05:51,531 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 13:05:51,532 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-08-27 13:05:51,532 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 13:05:51,532 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 13:05:51,532 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-27 13:05:51,532 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-08-27 13:05:51,535 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 13:05:51,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1277945, now seen corresponding path program 1 times [2023-08-27 13:05:51,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 13:05:51,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401106704] [2023-08-27 13:05:51,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 13:05:51,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 13:05:51,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 13:05:51,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 13:05:51,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 13:05:51,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401106704] [2023-08-27 13:05:51,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401106704] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 13:05:51,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 13:05:51,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-27 13:05:51,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883833310] [2023-08-27 13:05:51,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 13:05:51,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-27 13:05:51,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 13:05:51,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-27 13:05:51,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-27 13:05:51,769 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 241 [2023-08-27 13:05:51,771 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 52 transitions, 122 flow. Second operand has 2 states, 2 states have (on average 105.5) internal successors, (211), 2 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:05:51,771 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 13:05:51,771 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 241 [2023-08-27 13:05:51,771 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 13:05:55,484 INFO L124 PetriNetUnfolderBase]: 5157/7600 cut-off events. [2023-08-27 13:05:55,484 INFO L125 PetriNetUnfolderBase]: For 111/111 co-relation queries the response was YES. [2023-08-27 13:05:55,492 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15538 conditions, 7600 events. 5157/7600 cut-off events. For 111/111 co-relation queries the response was YES. Maximal size of possible extension queue 992. Compared 45005 event pairs, 5157 based on Foata normal form. 0/2128 useless extension candidates. Maximal degree in co-relation 14216. Up to 7601 conditions per place. [2023-08-27 13:05:55,516 INFO L140 encePairwiseOnDemand]: 229/241 looper letters, 40 selfloop transitions, 0 changer transitions 0/40 dead transitions. [2023-08-27 13:05:55,516 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 40 transitions, 178 flow [2023-08-27 13:05:55,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-27 13:05:55,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-27 13:05:55,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 260 transitions. [2023-08-27 13:05:55,528 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5394190871369294 [2023-08-27 13:05:55,528 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 260 transitions. [2023-08-27 13:05:55,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 260 transitions. [2023-08-27 13:05:55,531 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 13:05:55,532 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 260 transitions. [2023-08-27 13:05:55,535 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 130.0) internal successors, (260), 2 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:05:55,538 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 241.0) internal successors, (723), 3 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:05:55,538 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 241.0) internal successors, (723), 3 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:05:55,539 INFO L175 Difference]: Start difference. First operand has 62 places, 52 transitions, 122 flow. Second operand 2 states and 260 transitions. [2023-08-27 13:05:55,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 40 transitions, 178 flow [2023-08-27 13:05:55,567 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 40 transitions, 166 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-27 13:05:55,568 INFO L231 Difference]: Finished difference. Result has 45 places, 40 transitions, 86 flow [2023-08-27 13:05:55,570 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=86, PETRI_PLACES=45, PETRI_TRANSITIONS=40} [2023-08-27 13:05:55,572 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -17 predicate places. [2023-08-27 13:05:55,572 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 40 transitions, 86 flow [2023-08-27 13:05:55,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 105.5) internal successors, (211), 2 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:05:55,572 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 13:05:55,572 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-27 13:05:55,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-27 13:05:55,573 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-08-27 13:05:55,578 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 13:05:55,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1277947, now seen corresponding path program 1 times [2023-08-27 13:05:55,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 13:05:55,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996743557] [2023-08-27 13:05:55,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 13:05:55,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 13:05:55,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 13:05:55,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 13:05:55,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 13:05:55,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996743557] [2023-08-27 13:05:55,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996743557] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 13:05:55,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 13:05:55,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-27 13:05:55,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146104778] [2023-08-27 13:05:55,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 13:05:55,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-27 13:05:55,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 13:05:55,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-27 13:05:55,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-27 13:05:55,686 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 241 [2023-08-27 13:05:55,686 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 40 transitions, 86 flow. Second operand has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:05:55,686 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 13:05:55,686 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 241 [2023-08-27 13:05:55,686 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 13:05:58,686 INFO L124 PetriNetUnfolderBase]: 4205/6224 cut-off events. [2023-08-27 13:05:58,686 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 13:05:58,688 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12551 conditions, 6224 events. 4205/6224 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 803. Compared 35875 event pairs, 4205 based on Foata normal form. 0/1812 useless extension candidates. Maximal degree in co-relation 12548. Up to 6224 conditions per place. [2023-08-27 13:05:58,704 INFO L140 encePairwiseOnDemand]: 238/241 looper letters, 37 selfloop transitions, 1 changer transitions 0/38 dead transitions. [2023-08-27 13:05:58,704 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 38 transitions, 158 flow [2023-08-27 13:05:58,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-27 13:05:58,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-27 13:05:58,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 346 transitions. [2023-08-27 13:05:58,705 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4785615491009682 [2023-08-27 13:05:58,705 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 346 transitions. [2023-08-27 13:05:58,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 346 transitions. [2023-08-27 13:05:58,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 13:05:58,706 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 346 transitions. [2023-08-27 13:05:58,706 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:05:58,708 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:05:58,708 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:05:58,708 INFO L175 Difference]: Start difference. First operand has 45 places, 40 transitions, 86 flow. Second operand 3 states and 346 transitions. [2023-08-27 13:05:58,708 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 38 transitions, 158 flow [2023-08-27 13:05:58,709 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 38 transitions, 158 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-27 13:05:58,709 INFO L231 Difference]: Finished difference. Result has 45 places, 38 transitions, 84 flow [2023-08-27 13:05:58,709 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=84, PETRI_PLACES=45, PETRI_TRANSITIONS=38} [2023-08-27 13:05:58,710 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -17 predicate places. [2023-08-27 13:05:58,710 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 38 transitions, 84 flow [2023-08-27 13:05:58,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:05:58,710 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 13:05:58,710 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-27 13:05:58,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-27 13:05:58,711 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-08-27 13:05:58,711 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 13:05:58,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1277949, now seen corresponding path program 1 times [2023-08-27 13:05:58,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 13:05:58,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883982038] [2023-08-27 13:05:58,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 13:05:58,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 13:05:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 13:05:58,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 13:05:58,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 13:05:58,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883982038] [2023-08-27 13:05:58,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883982038] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 13:05:58,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 13:05:58,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-27 13:05:58,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428754966] [2023-08-27 13:05:58,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 13:05:58,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-27 13:05:58,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 13:05:58,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-27 13:05:58,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-27 13:05:58,792 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 241 [2023-08-27 13:05:58,793 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 38 transitions, 84 flow. Second operand has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:05:58,793 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 13:05:58,793 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 241 [2023-08-27 13:05:58,793 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 13:06:01,351 INFO L124 PetriNetUnfolderBase]: 3363/5002 cut-off events. [2023-08-27 13:06:01,351 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 13:06:01,353 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10090 conditions, 5002 events. 3363/5002 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 642. Compared 27888 event pairs, 3363 based on Foata normal form. 0/1516 useless extension candidates. Maximal degree in co-relation 10086. Up to 5002 conditions per place. [2023-08-27 13:06:01,363 INFO L140 encePairwiseOnDemand]: 238/241 looper letters, 35 selfloop transitions, 1 changer transitions 0/36 dead transitions. [2023-08-27 13:06:01,363 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 36 transitions, 152 flow [2023-08-27 13:06:01,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-27 13:06:01,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-27 13:06:01,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 344 transitions. [2023-08-27 13:06:01,365 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47579529737206083 [2023-08-27 13:06:01,365 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 344 transitions. [2023-08-27 13:06:01,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 344 transitions. [2023-08-27 13:06:01,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 13:06:01,365 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 344 transitions. [2023-08-27 13:06:01,366 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:01,367 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:01,367 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:01,367 INFO L175 Difference]: Start difference. First operand has 45 places, 38 transitions, 84 flow. Second operand 3 states and 344 transitions. [2023-08-27 13:06:01,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 36 transitions, 152 flow [2023-08-27 13:06:01,368 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 36 transitions, 151 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-27 13:06:01,368 INFO L231 Difference]: Finished difference. Result has 44 places, 36 transitions, 81 flow [2023-08-27 13:06:01,368 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=79, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=81, PETRI_PLACES=44, PETRI_TRANSITIONS=36} [2023-08-27 13:06:01,369 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -18 predicate places. [2023-08-27 13:06:01,369 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 36 transitions, 81 flow [2023-08-27 13:06:01,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:01,369 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 13:06:01,369 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-27 13:06:01,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-27 13:06:01,370 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-08-27 13:06:01,370 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 13:06:01,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1277950, now seen corresponding path program 1 times [2023-08-27 13:06:01,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 13:06:01,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023367146] [2023-08-27 13:06:01,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 13:06:01,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 13:06:01,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 13:06:01,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 13:06:01,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 13:06:01,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023367146] [2023-08-27 13:06:01,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023367146] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 13:06:01,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 13:06:01,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-27 13:06:01,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106060479] [2023-08-27 13:06:01,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 13:06:01,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-27 13:06:01,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 13:06:01,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-27 13:06:01,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-27 13:06:01,442 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 241 [2023-08-27 13:06:01,442 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 36 transitions, 81 flow. Second operand has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:01,442 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 13:06:01,442 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 241 [2023-08-27 13:06:01,442 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 13:06:03,462 INFO L124 PetriNetUnfolderBase]: 2615/3914 cut-off events. [2023-08-27 13:06:03,462 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 13:06:03,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7898 conditions, 3914 events. 2615/3914 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 499. Compared 21103 event pairs, 2615 based on Foata normal form. 0/1246 useless extension candidates. Maximal degree in co-relation 7894. Up to 3914 conditions per place. [2023-08-27 13:06:03,471 INFO L140 encePairwiseOnDemand]: 238/241 looper letters, 33 selfloop transitions, 1 changer transitions 0/34 dead transitions. [2023-08-27 13:06:03,472 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 34 transitions, 145 flow [2023-08-27 13:06:03,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-27 13:06:03,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-27 13:06:03,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 342 transitions. [2023-08-27 13:06:03,473 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4730290456431535 [2023-08-27 13:06:03,473 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 342 transitions. [2023-08-27 13:06:03,473 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 342 transitions. [2023-08-27 13:06:03,473 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 13:06:03,473 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 342 transitions. [2023-08-27 13:06:03,474 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:03,475 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:03,475 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:03,475 INFO L175 Difference]: Start difference. First operand has 44 places, 36 transitions, 81 flow. Second operand 3 states and 342 transitions. [2023-08-27 13:06:03,475 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 34 transitions, 145 flow [2023-08-27 13:06:03,476 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 34 transitions, 144 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-27 13:06:03,476 INFO L231 Difference]: Finished difference. Result has 43 places, 34 transitions, 78 flow [2023-08-27 13:06:03,476 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=78, PETRI_PLACES=43, PETRI_TRANSITIONS=34} [2023-08-27 13:06:03,477 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -19 predicate places. [2023-08-27 13:06:03,477 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 34 transitions, 78 flow [2023-08-27 13:06:03,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:03,477 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 13:06:03,477 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-27 13:06:03,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-27 13:06:03,478 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-08-27 13:06:03,478 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 13:06:03,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1277952, now seen corresponding path program 1 times [2023-08-27 13:06:03,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 13:06:03,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244407669] [2023-08-27 13:06:03,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 13:06:03,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 13:06:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 13:06:03,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 13:06:03,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 13:06:03,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244407669] [2023-08-27 13:06:03,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244407669] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 13:06:03,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 13:06:03,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-27 13:06:03,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425267939] [2023-08-27 13:06:03,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 13:06:03,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-27 13:06:03,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 13:06:03,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-27 13:06:03,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-27 13:06:03,518 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 241 [2023-08-27 13:06:03,518 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 34 transitions, 78 flow. Second operand has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:03,518 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 13:06:03,518 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 241 [2023-08-27 13:06:03,518 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 13:06:05,051 INFO L124 PetriNetUnfolderBase]: 2013/3036 cut-off events. [2023-08-27 13:06:05,052 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 13:06:05,053 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6134 conditions, 3036 events. 2013/3036 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 380. Compared 15762 event pairs, 2013 based on Foata normal form. 0/1024 useless extension candidates. Maximal degree in co-relation 6130. Up to 3036 conditions per place. [2023-08-27 13:06:05,057 INFO L140 encePairwiseOnDemand]: 238/241 looper letters, 31 selfloop transitions, 1 changer transitions 0/32 dead transitions. [2023-08-27 13:06:05,057 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 32 transitions, 138 flow [2023-08-27 13:06:05,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-27 13:06:05,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-27 13:06:05,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 340 transitions. [2023-08-27 13:06:05,058 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4702627939142462 [2023-08-27 13:06:05,058 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 340 transitions. [2023-08-27 13:06:05,059 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 340 transitions. [2023-08-27 13:06:05,059 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 13:06:05,059 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 340 transitions. [2023-08-27 13:06:05,059 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:05,061 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:05,061 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:05,061 INFO L175 Difference]: Start difference. First operand has 43 places, 34 transitions, 78 flow. Second operand 3 states and 340 transitions. [2023-08-27 13:06:05,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 32 transitions, 138 flow [2023-08-27 13:06:05,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 32 transitions, 137 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-27 13:06:05,062 INFO L231 Difference]: Finished difference. Result has 42 places, 32 transitions, 75 flow [2023-08-27 13:06:05,062 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=73, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=75, PETRI_PLACES=42, PETRI_TRANSITIONS=32} [2023-08-27 13:06:05,062 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -20 predicate places. [2023-08-27 13:06:05,063 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 32 transitions, 75 flow [2023-08-27 13:06:05,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:05,063 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 13:06:05,063 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-27 13:06:05,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-27 13:06:05,063 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-08-27 13:06:05,063 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 13:06:05,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1277953, now seen corresponding path program 1 times [2023-08-27 13:06:05,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 13:06:05,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785041415] [2023-08-27 13:06:05,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 13:06:05,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 13:06:05,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 13:06:05,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 13:06:05,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 13:06:05,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785041415] [2023-08-27 13:06:05,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785041415] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 13:06:05,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 13:06:05,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-27 13:06:05,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230253057] [2023-08-27 13:06:05,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 13:06:05,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-27 13:06:05,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 13:06:05,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-27 13:06:05,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-27 13:06:05,151 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 241 [2023-08-27 13:06:05,152 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 32 transitions, 75 flow. Second operand has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:05,152 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 13:06:05,152 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 241 [2023-08-27 13:06:05,152 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 13:06:06,282 INFO L124 PetriNetUnfolderBase]: 1487/2266 cut-off events. [2023-08-27 13:06:06,282 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 13:06:06,284 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4586 conditions, 2266 events. 1487/2266 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 277. Compared 11240 event pairs, 1487 based on Foata normal form. 0/822 useless extension candidates. Maximal degree in co-relation 4582. Up to 2266 conditions per place. [2023-08-27 13:06:06,288 INFO L140 encePairwiseOnDemand]: 238/241 looper letters, 29 selfloop transitions, 1 changer transitions 0/30 dead transitions. [2023-08-27 13:06:06,288 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 30 transitions, 131 flow [2023-08-27 13:06:06,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-27 13:06:06,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-27 13:06:06,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 338 transitions. [2023-08-27 13:06:06,289 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46749654218533887 [2023-08-27 13:06:06,289 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 338 transitions. [2023-08-27 13:06:06,289 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 338 transitions. [2023-08-27 13:06:06,290 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 13:06:06,290 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 338 transitions. [2023-08-27 13:06:06,290 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:06,291 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:06,292 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:06,292 INFO L175 Difference]: Start difference. First operand has 42 places, 32 transitions, 75 flow. Second operand 3 states and 338 transitions. [2023-08-27 13:06:06,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 30 transitions, 131 flow [2023-08-27 13:06:06,292 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 30 transitions, 130 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-27 13:06:06,293 INFO L231 Difference]: Finished difference. Result has 41 places, 30 transitions, 72 flow [2023-08-27 13:06:06,293 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=72, PETRI_PLACES=41, PETRI_TRANSITIONS=30} [2023-08-27 13:06:06,293 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -21 predicate places. [2023-08-27 13:06:06,294 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 30 transitions, 72 flow [2023-08-27 13:06:06,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:06,294 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 13:06:06,294 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-27 13:06:06,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-27 13:06:06,294 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-08-27 13:06:06,294 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 13:06:06,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1277955, now seen corresponding path program 1 times [2023-08-27 13:06:06,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 13:06:06,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528093020] [2023-08-27 13:06:06,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 13:06:06,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 13:06:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 13:06:06,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 13:06:06,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 13:06:06,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528093020] [2023-08-27 13:06:06,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528093020] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 13:06:06,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 13:06:06,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-27 13:06:06,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320658485] [2023-08-27 13:06:06,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 13:06:06,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-27 13:06:06,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 13:06:06,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-27 13:06:06,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-27 13:06:06,561 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 241 [2023-08-27 13:06:06,561 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 30 transitions, 72 flow. Second operand has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:06,561 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 13:06:06,562 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 241 [2023-08-27 13:06:06,562 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 13:06:07,257 INFO L124 PetriNetUnfolderBase]: 1047/1618 cut-off events. [2023-08-27 13:06:07,257 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 13:06:07,258 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3278 conditions, 1618 events. 1047/1618 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 194. Compared 7660 event pairs, 1047 based on Foata normal form. 0/640 useless extension candidates. Maximal degree in co-relation 3274. Up to 1618 conditions per place. [2023-08-27 13:06:07,261 INFO L140 encePairwiseOnDemand]: 238/241 looper letters, 27 selfloop transitions, 1 changer transitions 0/28 dead transitions. [2023-08-27 13:06:07,261 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 28 transitions, 124 flow [2023-08-27 13:06:07,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-27 13:06:07,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-27 13:06:07,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 336 transitions. [2023-08-27 13:06:07,262 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46473029045643155 [2023-08-27 13:06:07,262 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 336 transitions. [2023-08-27 13:06:07,262 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 336 transitions. [2023-08-27 13:06:07,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 13:06:07,263 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 336 transitions. [2023-08-27 13:06:07,263 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:07,264 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:07,265 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:07,265 INFO L175 Difference]: Start difference. First operand has 41 places, 30 transitions, 72 flow. Second operand 3 states and 336 transitions. [2023-08-27 13:06:07,265 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 28 transitions, 124 flow [2023-08-27 13:06:07,265 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 28 transitions, 123 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-27 13:06:07,266 INFO L231 Difference]: Finished difference. Result has 40 places, 28 transitions, 69 flow [2023-08-27 13:06:07,266 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=67, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=69, PETRI_PLACES=40, PETRI_TRANSITIONS=28} [2023-08-27 13:06:07,266 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -22 predicate places. [2023-08-27 13:06:07,266 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 28 transitions, 69 flow [2023-08-27 13:06:07,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:07,267 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 13:06:07,267 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-27 13:06:07,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-27 13:06:07,267 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-08-27 13:06:07,267 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 13:06:07,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1277956, now seen corresponding path program 1 times [2023-08-27 13:06:07,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 13:06:07,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397093311] [2023-08-27 13:06:07,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 13:06:07,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 13:06:07,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 13:06:07,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 13:06:07,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 13:06:07,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397093311] [2023-08-27 13:06:07,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397093311] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 13:06:07,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 13:06:07,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-27 13:06:07,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275907442] [2023-08-27 13:06:07,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 13:06:07,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-27 13:06:07,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 13:06:07,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-27 13:06:07,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-27 13:06:07,504 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 241 [2023-08-27 13:06:07,505 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 28 transitions, 69 flow. Second operand has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:07,505 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 13:06:07,505 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 241 [2023-08-27 13:06:07,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 13:06:07,882 INFO L124 PetriNetUnfolderBase]: 681/1076 cut-off events. [2023-08-27 13:06:07,882 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 13:06:07,883 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2184 conditions, 1076 events. 681/1076 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 4782 event pairs, 681 based on Foata normal form. 0/480 useless extension candidates. Maximal degree in co-relation 2180. Up to 1076 conditions per place. [2023-08-27 13:06:07,885 INFO L140 encePairwiseOnDemand]: 238/241 looper letters, 25 selfloop transitions, 1 changer transitions 0/26 dead transitions. [2023-08-27 13:06:07,885 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 26 transitions, 117 flow [2023-08-27 13:06:07,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-27 13:06:07,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-27 13:06:07,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 334 transitions. [2023-08-27 13:06:07,887 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46196403872752423 [2023-08-27 13:06:07,887 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 334 transitions. [2023-08-27 13:06:07,887 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 334 transitions. [2023-08-27 13:06:07,887 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 13:06:07,887 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 334 transitions. [2023-08-27 13:06:07,888 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:07,888 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:07,889 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:07,889 INFO L175 Difference]: Start difference. First operand has 40 places, 28 transitions, 69 flow. Second operand 3 states and 334 transitions. [2023-08-27 13:06:07,889 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 26 transitions, 117 flow [2023-08-27 13:06:07,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 26 transitions, 116 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-27 13:06:07,889 INFO L231 Difference]: Finished difference. Result has 39 places, 26 transitions, 66 flow [2023-08-27 13:06:07,890 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=66, PETRI_PLACES=39, PETRI_TRANSITIONS=26} [2023-08-27 13:06:07,890 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -23 predicate places. [2023-08-27 13:06:07,890 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 26 transitions, 66 flow [2023-08-27 13:06:07,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:07,890 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 13:06:07,890 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-27 13:06:07,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-27 13:06:07,891 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-08-27 13:06:07,891 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 13:06:07,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1277946, now seen corresponding path program 1 times [2023-08-27 13:06:07,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 13:06:07,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984858479] [2023-08-27 13:06:07,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 13:06:07,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 13:06:07,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 13:06:07,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 13:06:07,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 13:06:07,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984858479] [2023-08-27 13:06:07,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984858479] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 13:06:07,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 13:06:07,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-27 13:06:07,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984155914] [2023-08-27 13:06:07,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 13:06:07,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-27 13:06:07,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 13:06:07,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-27 13:06:07,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-27 13:06:07,915 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 241 [2023-08-27 13:06:07,915 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 26 transitions, 66 flow. Second operand has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:07,915 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 13:06:07,915 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 241 [2023-08-27 13:06:07,915 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 13:06:08,184 INFO L124 PetriNetUnfolderBase]: 405/664 cut-off events. [2023-08-27 13:06:08,184 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 13:06:08,185 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1354 conditions, 664 events. 405/664 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 2701 event pairs, 405 based on Foata normal form. 0/352 useless extension candidates. Maximal degree in co-relation 1350. Up to 664 conditions per place. [2023-08-27 13:06:08,186 INFO L140 encePairwiseOnDemand]: 238/241 looper letters, 23 selfloop transitions, 1 changer transitions 0/24 dead transitions. [2023-08-27 13:06:08,186 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 24 transitions, 110 flow [2023-08-27 13:06:08,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-27 13:06:08,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-27 13:06:08,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 332 transitions. [2023-08-27 13:06:08,187 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45919778699861685 [2023-08-27 13:06:08,187 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 332 transitions. [2023-08-27 13:06:08,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 332 transitions. [2023-08-27 13:06:08,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 13:06:08,188 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 332 transitions. [2023-08-27 13:06:08,188 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:08,189 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:08,189 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:08,189 INFO L175 Difference]: Start difference. First operand has 39 places, 26 transitions, 66 flow. Second operand 3 states and 332 transitions. [2023-08-27 13:06:08,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 24 transitions, 110 flow [2023-08-27 13:06:08,190 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 24 transitions, 109 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-27 13:06:08,190 INFO L231 Difference]: Finished difference. Result has 38 places, 24 transitions, 63 flow [2023-08-27 13:06:08,190 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=61, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=63, PETRI_PLACES=38, PETRI_TRANSITIONS=24} [2023-08-27 13:06:08,191 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -24 predicate places. [2023-08-27 13:06:08,191 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 24 transitions, 63 flow [2023-08-27 13:06:08,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:08,191 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 13:06:08,191 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-27 13:06:08,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-27 13:06:08,191 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-08-27 13:06:08,191 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 13:06:08,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1228265340, now seen corresponding path program 1 times [2023-08-27 13:06:08,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 13:06:08,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713232371] [2023-08-27 13:06:08,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 13:06:08,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 13:06:08,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 13:06:08,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 13:06:08,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 13:06:08,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713232371] [2023-08-27 13:06:08,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713232371] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 13:06:08,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 13:06:08,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-27 13:06:08,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904626203] [2023-08-27 13:06:08,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 13:06:08,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-27 13:06:08,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 13:06:08,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-27 13:06:08,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-27 13:06:08,228 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 241 [2023-08-27 13:06:08,228 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 24 transitions, 63 flow. Second operand has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:08,228 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 13:06:08,228 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 241 [2023-08-27 13:06:08,229 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 13:06:08,439 INFO L124 PetriNetUnfolderBase]: 277/464 cut-off events. [2023-08-27 13:06:08,439 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 13:06:08,440 INFO L83 FinitePrefix]: Finished finitePrefix Result has 953 conditions, 464 events. 277/464 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 1734 event pairs, 277 based on Foata normal form. 0/266 useless extension candidates. Maximal degree in co-relation 949. Up to 464 conditions per place. [2023-08-27 13:06:08,441 INFO L140 encePairwiseOnDemand]: 238/241 looper letters, 21 selfloop transitions, 1 changer transitions 0/22 dead transitions. [2023-08-27 13:06:08,441 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 22 transitions, 103 flow [2023-08-27 13:06:08,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-27 13:06:08,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-27 13:06:08,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 330 transitions. [2023-08-27 13:06:08,442 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45643153526970953 [2023-08-27 13:06:08,442 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 330 transitions. [2023-08-27 13:06:08,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 330 transitions. [2023-08-27 13:06:08,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 13:06:08,443 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 330 transitions. [2023-08-27 13:06:08,443 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:08,444 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:08,444 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:08,444 INFO L175 Difference]: Start difference. First operand has 38 places, 24 transitions, 63 flow. Second operand 3 states and 330 transitions. [2023-08-27 13:06:08,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 22 transitions, 103 flow [2023-08-27 13:06:08,445 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 22 transitions, 102 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-27 13:06:08,445 INFO L231 Difference]: Finished difference. Result has 37 places, 22 transitions, 60 flow [2023-08-27 13:06:08,445 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=60, PETRI_PLACES=37, PETRI_TRANSITIONS=22} [2023-08-27 13:06:08,446 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -25 predicate places. [2023-08-27 13:06:08,446 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 22 transitions, 60 flow [2023-08-27 13:06:08,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:08,446 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 13:06:08,446 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-27 13:06:08,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-27 13:06:08,446 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-08-27 13:06:08,446 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 13:06:08,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1228265345, now seen corresponding path program 1 times [2023-08-27 13:06:08,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 13:06:08,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741110920] [2023-08-27 13:06:08,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 13:06:08,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 13:06:08,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 13:06:08,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 13:06:08,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 13:06:08,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741110920] [2023-08-27 13:06:08,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741110920] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 13:06:08,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 13:06:08,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-27 13:06:08,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102276489] [2023-08-27 13:06:08,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 13:06:08,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-27 13:06:08,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 13:06:08,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-27 13:06:08,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-27 13:06:08,495 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 241 [2023-08-27 13:06:08,495 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 22 transitions, 60 flow. Second operand has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:08,495 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 13:06:08,496 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 241 [2023-08-27 13:06:08,496 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 13:06:08,648 INFO L124 PetriNetUnfolderBase]: 173/300 cut-off events. [2023-08-27 13:06:08,648 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 13:06:08,648 INFO L83 FinitePrefix]: Finished finitePrefix Result has 624 conditions, 300 events. 173/300 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 996 event pairs, 173 based on Foata normal form. 0/192 useless extension candidates. Maximal degree in co-relation 620. Up to 300 conditions per place. [2023-08-27 13:06:08,649 INFO L140 encePairwiseOnDemand]: 238/241 looper letters, 19 selfloop transitions, 1 changer transitions 0/20 dead transitions. [2023-08-27 13:06:08,649 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 20 transitions, 96 flow [2023-08-27 13:06:08,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-27 13:06:08,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-27 13:06:08,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 328 transitions. [2023-08-27 13:06:08,650 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4536652835408022 [2023-08-27 13:06:08,650 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 328 transitions. [2023-08-27 13:06:08,650 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 328 transitions. [2023-08-27 13:06:08,650 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 13:06:08,650 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 328 transitions. [2023-08-27 13:06:08,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:08,652 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:08,652 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:08,652 INFO L175 Difference]: Start difference. First operand has 37 places, 22 transitions, 60 flow. Second operand 3 states and 328 transitions. [2023-08-27 13:06:08,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 20 transitions, 96 flow [2023-08-27 13:06:08,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 20 transitions, 95 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-27 13:06:08,653 INFO L231 Difference]: Finished difference. Result has 36 places, 20 transitions, 57 flow [2023-08-27 13:06:08,653 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=55, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=57, PETRI_PLACES=36, PETRI_TRANSITIONS=20} [2023-08-27 13:06:08,653 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -26 predicate places. [2023-08-27 13:06:08,653 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 20 transitions, 57 flow [2023-08-27 13:06:08,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:08,653 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 13:06:08,654 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-27 13:06:08,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-27 13:06:08,654 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-08-27 13:06:08,654 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 13:06:08,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1228265346, now seen corresponding path program 1 times [2023-08-27 13:06:08,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 13:06:08,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859141760] [2023-08-27 13:06:08,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 13:06:08,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 13:06:08,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 13:06:08,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 13:06:08,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 13:06:08,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859141760] [2023-08-27 13:06:08,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859141760] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 13:06:08,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 13:06:08,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-27 13:06:08,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281122284] [2023-08-27 13:06:08,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 13:06:08,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-27 13:06:08,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 13:06:08,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-27 13:06:08,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-27 13:06:08,726 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 241 [2023-08-27 13:06:08,727 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 20 transitions, 57 flow. Second operand has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:08,727 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 13:06:08,727 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 241 [2023-08-27 13:06:08,727 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 13:06:08,808 INFO L124 PetriNetUnfolderBase]: 93/172 cut-off events. [2023-08-27 13:06:08,808 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 13:06:08,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 367 conditions, 172 events. 93/172 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 470 event pairs, 93 based on Foata normal form. 0/130 useless extension candidates. Maximal degree in co-relation 363. Up to 172 conditions per place. [2023-08-27 13:06:08,809 INFO L140 encePairwiseOnDemand]: 238/241 looper letters, 17 selfloop transitions, 1 changer transitions 0/18 dead transitions. [2023-08-27 13:06:08,809 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 18 transitions, 89 flow [2023-08-27 13:06:08,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-27 13:06:08,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-27 13:06:08,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 326 transitions. [2023-08-27 13:06:08,810 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4508990318118949 [2023-08-27 13:06:08,810 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 326 transitions. [2023-08-27 13:06:08,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 326 transitions. [2023-08-27 13:06:08,810 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 13:06:08,810 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 326 transitions. [2023-08-27 13:06:08,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:08,812 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:08,812 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:08,812 INFO L175 Difference]: Start difference. First operand has 36 places, 20 transitions, 57 flow. Second operand 3 states and 326 transitions. [2023-08-27 13:06:08,812 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 18 transitions, 89 flow [2023-08-27 13:06:08,812 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 18 transitions, 88 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-27 13:06:08,812 INFO L231 Difference]: Finished difference. Result has 35 places, 18 transitions, 54 flow [2023-08-27 13:06:08,812 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=54, PETRI_PLACES=35, PETRI_TRANSITIONS=18} [2023-08-27 13:06:08,813 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -27 predicate places. [2023-08-27 13:06:08,813 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 18 transitions, 54 flow [2023-08-27 13:06:08,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:08,813 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 13:06:08,813 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-27 13:06:08,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-27 13:06:08,813 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-08-27 13:06:08,814 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 13:06:08,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1228265339, now seen corresponding path program 1 times [2023-08-27 13:06:08,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 13:06:08,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759711722] [2023-08-27 13:06:08,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 13:06:08,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 13:06:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 13:06:08,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 13:06:08,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 13:06:08,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759711722] [2023-08-27 13:06:08,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759711722] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 13:06:08,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 13:06:08,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-27 13:06:08,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106547621] [2023-08-27 13:06:08,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 13:06:08,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-27 13:06:08,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 13:06:08,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-27 13:06:08,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-27 13:06:08,834 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 241 [2023-08-27 13:06:08,834 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 18 transitions, 54 flow. Second operand has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:08,834 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 13:06:08,834 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 241 [2023-08-27 13:06:08,834 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 13:06:08,894 INFO L124 PetriNetUnfolderBase]: 37/80 cut-off events. [2023-08-27 13:06:08,894 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 13:06:08,894 INFO L83 FinitePrefix]: Finished finitePrefix Result has 182 conditions, 80 events. 37/80 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 149 event pairs, 37 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 178. Up to 80 conditions per place. [2023-08-27 13:06:08,894 INFO L140 encePairwiseOnDemand]: 238/241 looper letters, 15 selfloop transitions, 1 changer transitions 0/16 dead transitions. [2023-08-27 13:06:08,895 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 16 transitions, 82 flow [2023-08-27 13:06:08,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-27 13:06:08,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-27 13:06:08,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 324 transitions. [2023-08-27 13:06:08,896 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44813278008298757 [2023-08-27 13:06:08,896 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 324 transitions. [2023-08-27 13:06:08,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 324 transitions. [2023-08-27 13:06:08,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 13:06:08,896 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 324 transitions. [2023-08-27 13:06:08,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:08,897 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:08,898 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:08,898 INFO L175 Difference]: Start difference. First operand has 35 places, 18 transitions, 54 flow. Second operand 3 states and 324 transitions. [2023-08-27 13:06:08,898 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 16 transitions, 82 flow [2023-08-27 13:06:08,898 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 16 transitions, 81 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-27 13:06:08,898 INFO L231 Difference]: Finished difference. Result has 34 places, 16 transitions, 51 flow [2023-08-27 13:06:08,898 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=49, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=51, PETRI_PLACES=34, PETRI_TRANSITIONS=16} [2023-08-27 13:06:08,899 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -28 predicate places. [2023-08-27 13:06:08,899 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 16 transitions, 51 flow [2023-08-27 13:06:08,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:08,899 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 13:06:08,899 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 13:06:08,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-27 13:06:08,899 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-08-27 13:06:08,899 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 13:06:08,899 INFO L85 PathProgramCache]: Analyzing trace with hash 814061163, now seen corresponding path program 1 times [2023-08-27 13:06:08,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 13:06:08,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452519185] [2023-08-27 13:06:08,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 13:06:08,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 13:06:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 13:06:15,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 13:06:15,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 13:06:15,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452519185] [2023-08-27 13:06:15,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452519185] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 13:06:15,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 13:06:15,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-27 13:06:15,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356751900] [2023-08-27 13:06:15,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 13:06:15,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-27 13:06:15,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 13:06:15,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-27 13:06:15,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-08-27 13:06:15,183 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 241 [2023-08-27 13:06:15,184 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 16 transitions, 51 flow. Second operand has 5 states, 5 states have (on average 88.2) internal successors, (441), 5 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:15,184 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 13:06:15,184 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 241 [2023-08-27 13:06:15,184 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 13:06:15,559 INFO L124 PetriNetUnfolderBase]: 40/106 cut-off events. [2023-08-27 13:06:15,559 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-08-27 13:06:15,559 INFO L83 FinitePrefix]: Finished finitePrefix Result has 236 conditions, 106 events. 40/106 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 341 event pairs, 7 based on Foata normal form. 1/107 useless extension candidates. Maximal degree in co-relation 232. Up to 48 conditions per place. [2023-08-27 13:06:15,559 INFO L140 encePairwiseOnDemand]: 237/241 looper letters, 28 selfloop transitions, 2 changer transitions 9/39 dead transitions. [2023-08-27 13:06:15,559 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 39 transitions, 184 flow [2023-08-27 13:06:15,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-27 13:06:15,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-27 13:06:15,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 465 transitions. [2023-08-27 13:06:15,565 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38589211618257263 [2023-08-27 13:06:15,566 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 465 transitions. [2023-08-27 13:06:15,566 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 465 transitions. [2023-08-27 13:06:15,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 13:06:15,566 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 465 transitions. [2023-08-27 13:06:15,567 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 93.0) internal successors, (465), 5 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:15,569 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 241.0) internal successors, (1446), 6 states have internal predecessors, (1446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:15,570 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 241.0) internal successors, (1446), 6 states have internal predecessors, (1446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:15,570 INFO L175 Difference]: Start difference. First operand has 34 places, 16 transitions, 51 flow. Second operand 5 states and 465 transitions. [2023-08-27 13:06:15,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 39 transitions, 184 flow [2023-08-27 13:06:15,570 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 39 transitions, 183 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-27 13:06:15,571 INFO L231 Difference]: Finished difference. Result has 40 places, 17 transitions, 65 flow [2023-08-27 13:06:15,571 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=65, PETRI_PLACES=40, PETRI_TRANSITIONS=17} [2023-08-27 13:06:15,572 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -22 predicate places. [2023-08-27 13:06:15,572 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 17 transitions, 65 flow [2023-08-27 13:06:15,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 88.2) internal successors, (441), 5 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 13:06:15,572 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 13:06:15,572 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 13:06:15,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-27 13:06:15,573 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-08-27 13:06:15,573 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 13:06:15,573 INFO L85 PathProgramCache]: Analyzing trace with hash 576154049, now seen corresponding path program 2 times [2023-08-27 13:06:15,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 13:06:15,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92630819] [2023-08-27 13:06:15,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 13:06:15,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 13:06:15,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2023-08-27 13:19:57,941 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (75 of 76 remaining) [2023-08-27 13:19:57,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-27 13:19:57,942 WARN L619 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was analyzing trace of length 17 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-5-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-5-6-4-6-4-6-4-6-4-6-4-4-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-52-9-10-8-11-8-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 context. [2023-08-27 13:19:57,943 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (74 of 76 remaining) [2023-08-27 13:19:57,943 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (73 of 76 remaining) [2023-08-27 13:19:57,943 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (72 of 76 remaining) [2023-08-27 13:19:57,944 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (71 of 76 remaining) [2023-08-27 13:19:57,944 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (70 of 76 remaining) [2023-08-27 13:19:57,944 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (69 of 76 remaining) [2023-08-27 13:19:57,944 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (68 of 76 remaining) [2023-08-27 13:19:57,944 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 76 remaining) [2023-08-27 13:19:57,944 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 76 remaining) [2023-08-27 13:19:57,944 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 76 remaining) [2023-08-27 13:19:57,945 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 76 remaining) [2023-08-27 13:19:57,945 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 76 remaining) [2023-08-27 13:19:57,945 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 76 remaining) [2023-08-27 13:19:57,945 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 76 remaining) [2023-08-27 13:19:57,945 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 76 remaining) [2023-08-27 13:19:57,945 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 76 remaining) [2023-08-27 13:19:57,945 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 76 remaining) [2023-08-27 13:19:57,946 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 76 remaining) [2023-08-27 13:19:57,946 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 76 remaining) [2023-08-27 13:19:57,946 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 76 remaining) [2023-08-27 13:19:57,946 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 76 remaining) [2023-08-27 13:19:57,946 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 76 remaining) [2023-08-27 13:19:57,946 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 76 remaining) [2023-08-27 13:19:57,946 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 76 remaining) [2023-08-27 13:19:57,946 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 76 remaining) [2023-08-27 13:19:57,947 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 76 remaining) [2023-08-27 13:19:57,947 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 76 remaining) [2023-08-27 13:19:57,947 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 76 remaining) [2023-08-27 13:19:57,947 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 76 remaining) [2023-08-27 13:19:57,947 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 76 remaining) [2023-08-27 13:19:57,947 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 76 remaining) [2023-08-27 13:19:57,947 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 76 remaining) [2023-08-27 13:19:57,947 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 76 remaining) [2023-08-27 13:19:57,947 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 76 remaining) [2023-08-27 13:19:57,948 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 76 remaining) [2023-08-27 13:19:57,948 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 76 remaining) [2023-08-27 13:19:57,948 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (38 of 76 remaining) [2023-08-27 13:19:57,948 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 76 remaining) [2023-08-27 13:19:57,948 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 76 remaining) [2023-08-27 13:19:57,948 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 76 remaining) [2023-08-27 13:19:57,948 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 76 remaining) [2023-08-27 13:19:57,948 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 76 remaining) [2023-08-27 13:19:57,948 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 76 remaining) [2023-08-27 13:19:57,949 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 76 remaining) [2023-08-27 13:19:57,949 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 76 remaining) [2023-08-27 13:19:57,949 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 76 remaining) [2023-08-27 13:19:57,949 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 76 remaining) [2023-08-27 13:19:57,949 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 76 remaining) [2023-08-27 13:19:57,949 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 76 remaining) [2023-08-27 13:19:57,949 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 76 remaining) [2023-08-27 13:19:57,949 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 76 remaining) [2023-08-27 13:19:57,949 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 76 remaining) [2023-08-27 13:19:57,950 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 76 remaining) [2023-08-27 13:19:57,950 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 76 remaining) [2023-08-27 13:19:57,950 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 76 remaining) [2023-08-27 13:19:57,950 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 76 remaining) [2023-08-27 13:19:57,950 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 76 remaining) [2023-08-27 13:19:57,950 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 76 remaining) [2023-08-27 13:19:57,950 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 76 remaining) [2023-08-27 13:19:57,950 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 76 remaining) [2023-08-27 13:19:57,950 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 76 remaining) [2023-08-27 13:19:57,950 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 76 remaining) [2023-08-27 13:19:57,951 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 76 remaining) [2023-08-27 13:19:57,951 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 76 remaining) [2023-08-27 13:19:57,951 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 76 remaining) [2023-08-27 13:19:57,951 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 76 remaining) [2023-08-27 13:19:57,951 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 76 remaining) [2023-08-27 13:19:57,951 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 76 remaining) [2023-08-27 13:19:57,951 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 76 remaining) [2023-08-27 13:19:57,951 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 76 remaining) [2023-08-27 13:19:57,952 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 76 remaining) [2023-08-27 13:19:57,952 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 76 remaining) [2023-08-27 13:19:57,952 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 76 remaining) [2023-08-27 13:19:57,952 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 76 remaining) [2023-08-27 13:19:57,952 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 76 remaining) [2023-08-27 13:19:57,952 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 13:19:57,959 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-27 13:19:57,959 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-27 13:19:57,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 01:19:57 BasicIcfg [2023-08-27 13:19:57,962 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-27 13:19:57,962 INFO L158 Benchmark]: Toolchain (without parser) took 863109.17ms. Allocated memory was 379.6MB in the beginning and 2.0GB in the end (delta: 1.6GB). Free memory was 356.2MB in the beginning and 945.8MB in the end (delta: -589.6MB). Peak memory consumption was 1.2GB. Max. memory is 16.0GB. [2023-08-27 13:19:57,962 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 379.6MB. Free memory is still 355.6MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-27 13:19:57,963 INFO L158 Benchmark]: CACSL2BoogieTranslator took 173.92ms. Allocated memory is still 379.6MB. Free memory was 355.6MB in the beginning and 344.4MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2023-08-27 13:19:57,963 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.24ms. Allocated memory is still 379.6MB. Free memory was 344.4MB in the beginning and 341.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-27 13:19:57,963 INFO L158 Benchmark]: Boogie Preprocessor took 39.59ms. Allocated memory is still 379.6MB. Free memory was 341.8MB in the beginning and 340.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-27 13:19:57,963 INFO L158 Benchmark]: RCFGBuilder took 1549.30ms. Allocated memory was 379.6MB in the beginning and 492.8MB in the end (delta: 113.2MB). Free memory was 339.7MB in the beginning and 443.6MB in the end (delta: -103.9MB). Peak memory consumption was 121.6MB. Max. memory is 16.0GB. [2023-08-27 13:19:57,963 INFO L158 Benchmark]: TraceAbstraction took 861289.09ms. Allocated memory was 492.8MB in the beginning and 2.0GB in the end (delta: 1.5GB). Free memory was 442.5MB in the beginning and 945.8MB in the end (delta: -503.2MB). Peak memory consumption was 1.2GB. Max. memory is 16.0GB. [2023-08-27 13:19:57,964 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 379.6MB. Free memory is still 355.6MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 173.92ms. Allocated memory is still 379.6MB. Free memory was 355.6MB in the beginning and 344.4MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 52.24ms. Allocated memory is still 379.6MB. Free memory was 344.4MB in the beginning and 341.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 39.59ms. Allocated memory is still 379.6MB. Free memory was 341.8MB in the beginning and 340.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 1549.30ms. Allocated memory was 379.6MB in the beginning and 492.8MB in the end (delta: 113.2MB). Free memory was 339.7MB in the beginning and 443.6MB in the end (delta: -103.9MB). Peak memory consumption was 121.6MB. Max. memory is 16.0GB. * TraceAbstraction took 861289.09ms. Allocated memory was 492.8MB in the beginning and 2.0GB in the end (delta: 1.5GB). Free memory was 442.5MB in the beginning and 945.8MB in the end (delta: -503.2MB). Peak memory consumption was 1.2GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.3s, 146 PlacesBefore, 62 PlacesAfterwards, 137 TransitionsBefore, 52 TransitionsAfterwards, 2430 CoEnabledTransitionPairs, 7 FixpointIterations, 68 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 90 TotalNumberOfCompositions, 2085 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2085, independent: 2085, independent conditional: 0, independent unconditional: 2085, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 733, independent: 733, independent conditional: 0, independent unconditional: 733, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2085, independent: 1352, independent conditional: 0, independent unconditional: 1352, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 733, unknown conditional: 0, unknown unconditional: 733] , Statistics on independence cache: Total cache size (in pairs): 198, Positive cache size: 198, Positive conditional cache size: 0, Positive unconditional cache size: 198, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - TimeoutResultAtElement [Line: 21]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while CegarLoopForPetriNet was analyzing trace of length 17 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-5-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-5-6-4-6-4-6-4-6-4-6-4-4-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-52-9-10-8-11-8-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 17 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-5-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-5-6-4-6-4-6-4-6-4-6-4-4-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-52-9-10-8-11-8-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 17 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-5-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-5-6-4-6-4-6-4-6-4-6-4-4-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-52-9-10-8-11-8-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 100]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 17 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-5-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-5-6-4-6-4-6-4-6-4-6-4-4-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-52-9-10-8-11-8-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 100]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 17 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-5-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-5-6-4-6-4-6-4-6-4-6-4-4-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-52-9-10-8-11-8-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 101]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 17 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-5-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-5-6-4-6-4-6-4-6-4-6-4-4-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-52-9-10-8-11-8-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 101]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 17 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-5-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-5-6-4-6-4-6-4-6-4-6-4-4-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-52-9-10-8-11-8-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 17 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-5-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-5-6-4-6-4-6-4-6-4-6-4-4-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-52-9-10-8-11-8-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 17 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-5-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-5-6-4-6-4-6-4-6-4-6-4-4-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-52-9-10-8-11-8-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 100]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 17 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-5-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-5-6-4-6-4-6-4-6-4-6-4-4-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-52-9-10-8-11-8-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 100]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 17 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-5-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-5-6-4-6-4-6-4-6-4-6-4-4-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-52-9-10-8-11-8-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 101]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 17 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-5-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-5-6-4-6-4-6-4-6-4-6-4-4-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-52-9-10-8-11-8-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 101]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 17 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-5-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-5-6-4-6-4-6-4-6-4-6-4-4-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-52-9-10-8-11-8-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 17 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-5-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-5-6-4-6-4-6-4-6-4-6-4-4-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-52-9-10-8-11-8-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 17 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-5-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-5-6-4-6-4-6-4-6-4-6-4-4-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-52-9-10-8-11-8-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 100]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 17 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-5-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-5-6-4-6-4-6-4-6-4-6-4-4-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-52-9-10-8-11-8-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 100]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 17 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-5-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-5-6-4-6-4-6-4-6-4-6-4-4-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-52-9-10-8-11-8-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 101]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 17 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-5-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-5-6-4-6-4-6-4-6-4-6-4-4-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-52-9-10-8-11-8-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 101]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 17 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-5-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-5-6-4-6-4-6-4-6-4-6-4-4-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-52-9-10-8-11-8-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 17 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-5-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-5-6-4-6-4-6-4-6-4-6-4-4-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-52-9-10-8-11-8-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 17 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-5-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-5-6-4-6-4-6-4-6-4-6-4-4-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-52-9-10-8-11-8-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 100]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 17 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-5-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-5-6-4-6-4-6-4-6-4-6-4-4-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-52-9-10-8-11-8-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 100]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 17 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-5-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-5-6-4-6-4-6-4-6-4-6-4-4-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-52-9-10-8-11-8-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 101]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 17 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-5-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-5-6-4-6-4-6-4-6-4-6-4-4-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-52-9-10-8-11-8-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 101]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 17 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-5-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-5-6-4-6-4-6-4-6-4-6-4-4-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-52-9-10-8-11-8-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 17 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-5-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-5-6-4-6-4-6-4-6-4-6-4-4-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-52-9-10-8-11-8-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 17 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-5-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-5-6-4-6-4-6-4-6-4-6-4-4-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-52-9-10-8-11-8-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 100]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 17 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-5-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-5-6-4-6-4-6-4-6-4-6-4-4-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-52-9-10-8-11-8-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 100]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 17 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-5-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-5-6-4-6-4-6-4-6-4-6-4-4-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-52-9-10-8-11-8-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 101]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 17 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-5-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-5-6-4-6-4-6-4-6-4-6-4-4-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-52-9-10-8-11-8-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 101]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 17 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-5-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-5-6-4-6-4-6-4-6-4-6-4-4-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-52-9-10-8-11-8-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 17 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-5-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-5-6-4-6-4-6-4-6-4-6-4-4-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-52-9-10-8-11-8-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 17 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-5-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-5-6-4-6-4-6-4-6-4-6-4-4-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-52-9-10-8-11-8-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 100]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 17 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-5-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-5-6-4-6-4-6-4-6-4-6-4-4-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-52-9-10-8-11-8-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 100]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 17 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-5-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-5-6-4-6-4-6-4-6-4-6-4-4-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-52-9-10-8-11-8-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 101]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 17 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-5-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-5-6-4-6-4-6-4-6-4-6-4-4-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-52-9-10-8-11-8-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 101]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 17 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-5-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-5-6-4-6-4-6-4-6-4-6-4-4-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-52-9-10-8-11-8-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 85]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was analyzing trace of length 17 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-5-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-5-6-4-6-4-6-4-6-4-6-4-4-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-52-9-10-8-11-8-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 87]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was analyzing trace of length 17 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-5-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-5-6-4-6-4-6-4-6-4-6-4-4-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-52-9-10-8-11-8-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 86]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was analyzing trace of length 17 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-5-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-5-6-4-6-4-6-4-6-4-6-4-4-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-52-9-10-8-11-8-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 202 locations, 76 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: 860.9s, OverallIterations: 15, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 16.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 14.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 311 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 311 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 466 IncrementalHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 0 mSDtfsCounter, 466 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=122occurred in iteration=0, InterpolantAutomatonStates: 43, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 7.0s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 1033 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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