/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 INSUFFICIENT_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 06:32:09,290 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-27 06:32:09,351 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 06:32:09,355 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-27 06:32:09,355 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-27 06:32:09,386 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-27 06:32:09,387 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-27 06:32:09,387 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-27 06:32:09,388 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-27 06:32:09,391 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-27 06:32:09,391 INFO L153 SettingsManager]: * Use SBE=true [2023-08-27 06:32:09,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-27 06:32:09,392 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-27 06:32:09,393 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-27 06:32:09,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-27 06:32:09,393 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-27 06:32:09,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-27 06:32:09,394 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-27 06:32:09,394 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-27 06:32:09,394 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-27 06:32:09,394 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-27 06:32:09,395 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-27 06:32:09,395 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-27 06:32:09,396 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-27 06:32:09,396 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-27 06:32:09,396 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-27 06:32:09,396 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-27 06:32:09,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-27 06:32:09,397 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-27 06:32:09,397 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-27 06:32:09,398 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-27 06:32:09,398 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-27 06:32:09,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-27 06:32:09,398 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-27 06:32:09,398 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-27 06:32:09,399 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> INSUFFICIENT_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-08-27 06:32:09,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-27 06:32:09,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-27 06:32:09,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-27 06:32:09,686 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-27 06:32:09,688 INFO L274 PluginConnector]: CDTParser initialized [2023-08-27 06:32:09,689 INFO L431 ainManager$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 06:32:10,776 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-27 06:32:10,999 INFO L384 CDTParser]: Found 1 translation units. [2023-08-27 06:32:11,000 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-time-subst.wvr.c [2023-08-27 06:32:11,005 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bab650cec/f6f6198265994b788a0033f53cd7ea7d/FLAGbe4e8b70a [2023-08-27 06:32:11,015 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bab650cec/f6f6198265994b788a0033f53cd7ea7d [2023-08-27 06:32:11,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-27 06:32:11,018 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-27 06:32:11,019 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-27 06:32:11,019 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-27 06:32:11,021 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-27 06:32:11,022 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 06:32:11" (1/1) ... [2023-08-27 06:32:11,023 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a9f644a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:32:11, skipping insertion in model container [2023-08-27 06:32:11,023 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 06:32:11" (1/1) ... [2023-08-27 06:32:11,043 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-27 06:32:11,209 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-27 06:32:11,217 INFO L201 MainTranslator]: Completed pre-run [2023-08-27 06:32:11,235 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-27 06:32:11,241 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-27 06:32:11,242 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-27 06:32:11,246 INFO L206 MainTranslator]: Completed translation [2023-08-27 06:32:11,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:32:11 WrapperNode [2023-08-27 06:32:11,247 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-27 06:32:11,248 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-27 06:32:11,248 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-27 06:32:11,248 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-27 06:32:11,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:32:11" (1/1) ... [2023-08-27 06:32:11,270 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:32:11" (1/1) ... [2023-08-27 06:32:11,295 INFO L138 Inliner]: procedures = 23, calls = 40, calls flagged for inlining = 12, calls inlined = 22, statements flattened = 309 [2023-08-27 06:32:11,295 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-27 06:32:11,296 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-27 06:32:11,296 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-27 06:32:11,296 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-27 06:32:11,303 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:32:11" (1/1) ... [2023-08-27 06:32:11,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:32:11" (1/1) ... [2023-08-27 06:32:11,306 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:32:11" (1/1) ... [2023-08-27 06:32:11,306 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:32:11" (1/1) ... [2023-08-27 06:32:11,320 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:32:11" (1/1) ... [2023-08-27 06:32:11,322 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:32:11" (1/1) ... [2023-08-27 06:32:11,324 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:32:11" (1/1) ... [2023-08-27 06:32:11,325 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:32:11" (1/1) ... [2023-08-27 06:32:11,330 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-27 06:32:11,331 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-27 06:32:11,331 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-27 06:32:11,331 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-27 06:32:11,331 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:32:11" (1/1) ... [2023-08-27 06:32:11,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-27 06:32:11,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-27 06:32:11,363 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 06:32:11,383 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 06:32:11,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-27 06:32:11,396 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-27 06:32:11,396 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-27 06:32:11,396 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-27 06:32:11,397 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-27 06:32:11,397 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-27 06:32:11,397 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-27 06:32:11,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-27 06:32:11,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-27 06:32:11,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-27 06:32:11,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-27 06:32:11,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-27 06:32:11,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-27 06:32:11,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-27 06:32:11,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-27 06:32:11,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-27 06:32:11,401 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 06:32:11,524 INFO L236 CfgBuilder]: Building ICFG [2023-08-27 06:32:11,526 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-27 06:32:11,987 INFO L277 CfgBuilder]: Performing block encoding [2023-08-27 06:32:13,347 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-27 06:32:13,348 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-27 06:32:13,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 06:32:13 BoogieIcfgContainer [2023-08-27 06:32:13,350 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-27 06:32:13,352 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-27 06:32:13,352 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-27 06:32:13,355 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-27 06:32:13,355 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 06:32:11" (1/3) ... [2023-08-27 06:32:13,356 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d0c9e53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 06:32:13, skipping insertion in model container [2023-08-27 06:32:13,356 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:32:11" (2/3) ... [2023-08-27 06:32:13,356 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d0c9e53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 06:32:13, skipping insertion in model container [2023-08-27 06:32:13,356 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 06:32:13" (3/3) ... [2023-08-27 06:32:13,358 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-time-subst.wvr.c [2023-08-27 06:32:13,372 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-27 06:32:13,373 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 37 error locations. [2023-08-27 06:32:13,373 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-27 06:32:13,825 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-27 06:32:13,859 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 160 places, 151 transitions, 326 flow [2023-08-27 06:32:13,970 INFO L124 PetriNetUnfolderBase]: 1/148 cut-off events. [2023-08-27 06:32:13,970 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-08-27 06:32:13,973 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 06:32:13,973 INFO L82 GeneralOperation]: Start removeDead. Operand has 160 places, 151 transitions, 326 flow [2023-08-27 06:32:13,979 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 146 places, 137 transitions, 292 flow [2023-08-27 06:32:13,982 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 06:32:13,994 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 146 places, 137 transitions, 292 flow [2023-08-27 06:32:14,000 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 146 places, 137 transitions, 292 flow [2023-08-27 06:32:14,001 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 146 places, 137 transitions, 292 flow [2023-08-27 06:32:14,134 INFO L124 PetriNetUnfolderBase]: 1/137 cut-off events. [2023-08-27 06:32:14,134 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-08-27 06:32:14,135 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 06:32:14,138 INFO L119 LiptonReduction]: Number of co-enabled transitions 2430 [2023-08-27 06:32:30,817 INFO L134 LiptonReduction]: Checked pairs total: 2085 [2023-08-27 06:32:30,817 INFO L136 LiptonReduction]: Total number of compositions: 90 [2023-08-27 06:32:30,828 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-27 06:32:30,833 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;@5428cea0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 06:32:30,833 INFO L358 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2023-08-27 06:32:30,836 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 06:32:30,836 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-08-27 06:32:30,836 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 06:32:30,836 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 06:32:30,836 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-27 06:32:30,837 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-08-27 06:32:30,840 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 06:32:30,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1277945, now seen corresponding path program 1 times [2023-08-27 06:32:30,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 06:32:30,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257050133] [2023-08-27 06:32:30,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 06:32:30,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 06:32:30,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 06:32:31,050 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 06:32:31,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 06:32:31,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257050133] [2023-08-27 06:32:31,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257050133] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 06:32:31,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 06:32:31,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-27 06:32:31,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685774172] [2023-08-27 06:32:31,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 06:32:31,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-27 06:32:31,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 06:32:31,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-27 06:32:31,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-27 06:32:31,084 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 241 [2023-08-27 06:32:31,086 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 06:32:31,086 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 06:32:31,086 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 241 [2023-08-27 06:32:31,087 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 06:32:35,367 INFO L124 PetriNetUnfolderBase]: 5157/7600 cut-off events. [2023-08-27 06:32:35,368 INFO L125 PetriNetUnfolderBase]: For 111/111 co-relation queries the response was YES. [2023-08-27 06:32:35,377 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 06:32:35,411 INFO L140 encePairwiseOnDemand]: 229/241 looper letters, 40 selfloop transitions, 0 changer transitions 0/40 dead transitions. [2023-08-27 06:32:35,412 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 40 transitions, 178 flow [2023-08-27 06:32:35,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-27 06:32:35,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-27 06:32:35,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 260 transitions. [2023-08-27 06:32:35,422 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5394190871369294 [2023-08-27 06:32:35,423 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 260 transitions. [2023-08-27 06:32:35,423 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 260 transitions. [2023-08-27 06:32:35,424 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 06:32:35,426 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 260 transitions. [2023-08-27 06:32:35,428 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 06:32:35,431 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 06:32:35,432 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 06:32:35,433 INFO L175 Difference]: Start difference. First operand has 62 places, 52 transitions, 122 flow. Second operand 2 states and 260 transitions. [2023-08-27 06:32:35,434 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 40 transitions, 178 flow [2023-08-27 06:32:35,480 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 06:32:35,482 INFO L231 Difference]: Finished difference. Result has 45 places, 40 transitions, 86 flow [2023-08-27 06:32:35,484 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 06:32:35,486 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -17 predicate places. [2023-08-27 06:32:35,487 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 40 transitions, 86 flow [2023-08-27 06:32:35,487 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 06:32:35,487 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 06:32:35,487 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-27 06:32:35,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-27 06:32:35,488 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-08-27 06:32:35,489 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 06:32:35,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1277947, now seen corresponding path program 1 times [2023-08-27 06:32:35,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 06:32:35,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254516465] [2023-08-27 06:32:35,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 06:32:35,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 06:32:35,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 06:32:35,612 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 06:32:35,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 06:32:35,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254516465] [2023-08-27 06:32:35,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254516465] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 06:32:35,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 06:32:35,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-27 06:32:35,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191190812] [2023-08-27 06:32:35,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 06:32:35,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-27 06:32:35,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 06:32:35,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-27 06:32:35,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-27 06:32:35,616 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 241 [2023-08-27 06:32:35,616 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 06:32:35,617 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 06:32:35,617 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 241 [2023-08-27 06:32:35,617 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 06:32:38,759 INFO L124 PetriNetUnfolderBase]: 4205/6224 cut-off events. [2023-08-27 06:32:38,759 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 06:32:38,762 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 06:32:38,789 INFO L140 encePairwiseOnDemand]: 238/241 looper letters, 37 selfloop transitions, 1 changer transitions 0/38 dead transitions. [2023-08-27 06:32:38,789 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 38 transitions, 158 flow [2023-08-27 06:32:38,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-27 06:32:38,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-27 06:32:38,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 346 transitions. [2023-08-27 06:32:38,796 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4785615491009682 [2023-08-27 06:32:38,796 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 346 transitions. [2023-08-27 06:32:38,797 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 346 transitions. [2023-08-27 06:32:38,797 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 06:32:38,797 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 346 transitions. [2023-08-27 06:32:38,799 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 06:32:38,802 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 06:32:38,803 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 06:32:38,803 INFO L175 Difference]: Start difference. First operand has 45 places, 40 transitions, 86 flow. Second operand 3 states and 346 transitions. [2023-08-27 06:32:38,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 38 transitions, 158 flow [2023-08-27 06:32:38,804 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 06:32:38,805 INFO L231 Difference]: Finished difference. Result has 45 places, 38 transitions, 84 flow [2023-08-27 06:32:38,805 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 06:32:38,806 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -17 predicate places. [2023-08-27 06:32:38,807 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 38 transitions, 84 flow [2023-08-27 06:32:38,808 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 06:32:38,809 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 06:32:38,811 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-27 06:32:38,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-27 06:32:38,811 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-08-27 06:32:38,817 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 06:32:38,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1277949, now seen corresponding path program 1 times [2023-08-27 06:32:38,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 06:32:38,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228999100] [2023-08-27 06:32:38,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 06:32:38,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 06:32:38,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 06:32:39,019 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 06:32:39,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 06:32:39,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228999100] [2023-08-27 06:32:39,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228999100] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 06:32:39,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 06:32:39,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-27 06:32:39,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752857254] [2023-08-27 06:32:39,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 06:32:39,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-27 06:32:39,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 06:32:39,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-27 06:32:39,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-27 06:32:39,025 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 241 [2023-08-27 06:32:39,026 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 06:32:39,026 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 06:32:39,026 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 241 [2023-08-27 06:32:39,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 06:32:41,671 INFO L124 PetriNetUnfolderBase]: 3363/5002 cut-off events. [2023-08-27 06:32:41,671 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 06:32:41,673 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 06:32:41,689 INFO L140 encePairwiseOnDemand]: 238/241 looper letters, 35 selfloop transitions, 1 changer transitions 0/36 dead transitions. [2023-08-27 06:32:41,689 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 36 transitions, 152 flow [2023-08-27 06:32:41,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-27 06:32:41,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-27 06:32:41,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 344 transitions. [2023-08-27 06:32:41,691 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47579529737206083 [2023-08-27 06:32:41,691 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 344 transitions. [2023-08-27 06:32:41,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 344 transitions. [2023-08-27 06:32:41,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 06:32:41,691 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 344 transitions. [2023-08-27 06:32:41,692 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 06:32:41,693 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 06:32:41,694 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 06:32:41,694 INFO L175 Difference]: Start difference. First operand has 45 places, 38 transitions, 84 flow. Second operand 3 states and 344 transitions. [2023-08-27 06:32:41,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 36 transitions, 152 flow [2023-08-27 06:32:41,694 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 06:32:41,695 INFO L231 Difference]: Finished difference. Result has 44 places, 36 transitions, 81 flow [2023-08-27 06:32:41,695 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 06:32:41,696 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -18 predicate places. [2023-08-27 06:32:41,696 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 36 transitions, 81 flow [2023-08-27 06:32:41,696 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 06:32:41,697 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 06:32:41,697 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-27 06:32:41,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-27 06:32:41,697 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-08-27 06:32:41,697 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 06:32:41,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1277950, now seen corresponding path program 1 times [2023-08-27 06:32:41,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 06:32:41,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960938465] [2023-08-27 06:32:41,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 06:32:41,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 06:32:41,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 06:32:41,840 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 06:32:41,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 06:32:41,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960938465] [2023-08-27 06:32:41,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960938465] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 06:32:41,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 06:32:41,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-27 06:32:41,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986454496] [2023-08-27 06:32:41,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 06:32:41,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-27 06:32:41,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 06:32:41,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-27 06:32:41,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-27 06:32:41,843 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 241 [2023-08-27 06:32:41,844 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 06:32:41,844 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 06:32:41,844 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 241 [2023-08-27 06:32:41,844 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 06:32:43,605 INFO L124 PetriNetUnfolderBase]: 2615/3914 cut-off events. [2023-08-27 06:32:43,605 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 06:32:43,608 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 06:32:43,617 INFO L140 encePairwiseOnDemand]: 238/241 looper letters, 33 selfloop transitions, 1 changer transitions 0/34 dead transitions. [2023-08-27 06:32:43,617 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 34 transitions, 145 flow [2023-08-27 06:32:43,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-27 06:32:43,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-27 06:32:43,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 342 transitions. [2023-08-27 06:32:43,619 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4730290456431535 [2023-08-27 06:32:43,619 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 342 transitions. [2023-08-27 06:32:43,619 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 342 transitions. [2023-08-27 06:32:43,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 06:32:43,619 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 342 transitions. [2023-08-27 06:32:43,620 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 06:32:43,622 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 06:32:43,622 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 06:32:43,622 INFO L175 Difference]: Start difference. First operand has 44 places, 36 transitions, 81 flow. Second operand 3 states and 342 transitions. [2023-08-27 06:32:43,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 34 transitions, 145 flow [2023-08-27 06:32:43,623 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 06:32:43,623 INFO L231 Difference]: Finished difference. Result has 43 places, 34 transitions, 78 flow [2023-08-27 06:32:43,624 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 06:32:43,624 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -19 predicate places. [2023-08-27 06:32:43,624 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 34 transitions, 78 flow [2023-08-27 06:32:43,625 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 06:32:43,625 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 06:32:43,625 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-27 06:32:43,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-27 06:32:43,625 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-08-27 06:32:43,625 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 06:32:43,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1277952, now seen corresponding path program 1 times [2023-08-27 06:32:43,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 06:32:43,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448230163] [2023-08-27 06:32:43,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 06:32:43,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 06:32:43,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 06:32:43,676 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 06:32:43,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 06:32:43,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448230163] [2023-08-27 06:32:43,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448230163] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 06:32:43,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 06:32:43,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-27 06:32:43,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860499314] [2023-08-27 06:32:43,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 06:32:43,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-27 06:32:43,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 06:32:43,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-27 06:32:43,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-27 06:32:43,679 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 241 [2023-08-27 06:32:43,679 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 06:32:43,679 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 06:32:43,679 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 241 [2023-08-27 06:32:43,679 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 06:32:45,078 INFO L124 PetriNetUnfolderBase]: 2013/3036 cut-off events. [2023-08-27 06:32:45,078 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 06:32:45,080 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 06:32:45,086 INFO L140 encePairwiseOnDemand]: 238/241 looper letters, 31 selfloop transitions, 1 changer transitions 0/32 dead transitions. [2023-08-27 06:32:45,087 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 32 transitions, 138 flow [2023-08-27 06:32:45,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-27 06:32:45,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-27 06:32:45,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 340 transitions. [2023-08-27 06:32:45,088 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4702627939142462 [2023-08-27 06:32:45,088 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 340 transitions. [2023-08-27 06:32:45,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 340 transitions. [2023-08-27 06:32:45,089 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 06:32:45,089 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 340 transitions. [2023-08-27 06:32:45,090 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 06:32:45,091 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 06:32:45,091 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 06:32:45,091 INFO L175 Difference]: Start difference. First operand has 43 places, 34 transitions, 78 flow. Second operand 3 states and 340 transitions. [2023-08-27 06:32:45,092 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 32 transitions, 138 flow [2023-08-27 06:32:45,092 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 06:32:45,092 INFO L231 Difference]: Finished difference. Result has 42 places, 32 transitions, 75 flow [2023-08-27 06:32:45,093 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 06:32:45,093 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -20 predicate places. [2023-08-27 06:32:45,093 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 32 transitions, 75 flow [2023-08-27 06:32:45,094 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 06:32:45,094 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 06:32:45,094 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-27 06:32:45,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-27 06:32:45,094 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-08-27 06:32:45,094 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 06:32:45,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1277953, now seen corresponding path program 1 times [2023-08-27 06:32:45,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 06:32:45,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854519279] [2023-08-27 06:32:45,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 06:32:45,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 06:32:45,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 06:32:45,197 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 06:32:45,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 06:32:45,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854519279] [2023-08-27 06:32:45,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854519279] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 06:32:45,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 06:32:45,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-27 06:32:45,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133235646] [2023-08-27 06:32:45,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 06:32:45,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-27 06:32:45,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 06:32:45,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-27 06:32:45,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-27 06:32:45,199 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 241 [2023-08-27 06:32:45,200 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 06:32:45,200 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 06:32:45,200 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 241 [2023-08-27 06:32:45,200 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 06:32:46,172 INFO L124 PetriNetUnfolderBase]: 1487/2266 cut-off events. [2023-08-27 06:32:46,173 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 06:32:46,174 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 06:32:46,178 INFO L140 encePairwiseOnDemand]: 238/241 looper letters, 29 selfloop transitions, 1 changer transitions 0/30 dead transitions. [2023-08-27 06:32:46,179 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 30 transitions, 131 flow [2023-08-27 06:32:46,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-27 06:32:46,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-27 06:32:46,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 338 transitions. [2023-08-27 06:32:46,180 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46749654218533887 [2023-08-27 06:32:46,180 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 338 transitions. [2023-08-27 06:32:46,180 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 338 transitions. [2023-08-27 06:32:46,180 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 06:32:46,181 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 338 transitions. [2023-08-27 06:32:46,181 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 06:32:46,183 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 06:32:46,183 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 06:32:46,183 INFO L175 Difference]: Start difference. First operand has 42 places, 32 transitions, 75 flow. Second operand 3 states and 338 transitions. [2023-08-27 06:32:46,183 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 30 transitions, 131 flow [2023-08-27 06:32:46,184 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 06:32:46,184 INFO L231 Difference]: Finished difference. Result has 41 places, 30 transitions, 72 flow [2023-08-27 06:32:46,185 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 06:32:46,185 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -21 predicate places. [2023-08-27 06:32:46,185 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 30 transitions, 72 flow [2023-08-27 06:32:46,186 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 06:32:46,186 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 06:32:46,186 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-27 06:32:46,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-27 06:32:46,186 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-08-27 06:32:46,186 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 06:32:46,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1277955, now seen corresponding path program 1 times [2023-08-27 06:32:46,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 06:32:46,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974119383] [2023-08-27 06:32:46,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 06:32:46,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 06:32:46,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 06:32:46,530 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 06:32:46,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 06:32:46,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974119383] [2023-08-27 06:32:46,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974119383] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 06:32:46,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 06:32:46,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-27 06:32:46,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715057535] [2023-08-27 06:32:46,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 06:32:46,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-27 06:32:46,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 06:32:46,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-27 06:32:46,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-27 06:32:46,532 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 241 [2023-08-27 06:32:46,532 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 06:32:46,533 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 06:32:46,533 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 241 [2023-08-27 06:32:46,533 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 06:32:47,259 INFO L124 PetriNetUnfolderBase]: 1047/1618 cut-off events. [2023-08-27 06:32:47,259 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 06:32:47,260 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 06:32:47,263 INFO L140 encePairwiseOnDemand]: 238/241 looper letters, 27 selfloop transitions, 1 changer transitions 0/28 dead transitions. [2023-08-27 06:32:47,263 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 28 transitions, 124 flow [2023-08-27 06:32:47,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-27 06:32:47,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-27 06:32:47,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 336 transitions. [2023-08-27 06:32:47,265 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46473029045643155 [2023-08-27 06:32:47,265 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 336 transitions. [2023-08-27 06:32:47,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 336 transitions. [2023-08-27 06:32:47,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 06:32:47,265 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 336 transitions. [2023-08-27 06:32:47,266 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 06:32:47,267 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 06:32:47,268 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 06:32:47,268 INFO L175 Difference]: Start difference. First operand has 41 places, 30 transitions, 72 flow. Second operand 3 states and 336 transitions. [2023-08-27 06:32:47,268 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 28 transitions, 124 flow [2023-08-27 06:32:47,268 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 06:32:47,269 INFO L231 Difference]: Finished difference. Result has 40 places, 28 transitions, 69 flow [2023-08-27 06:32:47,269 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 06:32:47,269 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -22 predicate places. [2023-08-27 06:32:47,269 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 28 transitions, 69 flow [2023-08-27 06:32:47,270 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 06:32:47,270 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 06:32:47,270 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-27 06:32:47,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-27 06:32:47,270 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-08-27 06:32:47,270 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 06:32:47,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1277956, now seen corresponding path program 1 times [2023-08-27 06:32:47,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 06:32:47,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446440212] [2023-08-27 06:32:47,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 06:32:47,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 06:32:47,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 06:32:47,604 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 06:32:47,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 06:32:47,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446440212] [2023-08-27 06:32:47,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446440212] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 06:32:47,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 06:32:47,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-27 06:32:47,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338385421] [2023-08-27 06:32:47,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 06:32:47,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-27 06:32:47,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 06:32:47,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-27 06:32:47,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-27 06:32:47,606 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 241 [2023-08-27 06:32:47,607 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 06:32:47,607 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 06:32:47,607 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 241 [2023-08-27 06:32:47,607 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 06:32:47,948 INFO L124 PetriNetUnfolderBase]: 681/1076 cut-off events. [2023-08-27 06:32:47,949 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 06:32:47,949 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 06:32:47,954 INFO L140 encePairwiseOnDemand]: 238/241 looper letters, 25 selfloop transitions, 1 changer transitions 0/26 dead transitions. [2023-08-27 06:32:47,955 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 26 transitions, 117 flow [2023-08-27 06:32:47,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-27 06:32:47,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-27 06:32:47,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 334 transitions. [2023-08-27 06:32:47,956 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46196403872752423 [2023-08-27 06:32:47,959 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 334 transitions. [2023-08-27 06:32:47,959 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 334 transitions. [2023-08-27 06:32:47,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 06:32:47,959 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 334 transitions. [2023-08-27 06:32:47,960 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 06:32:47,961 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 06:32:47,962 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 06:32:47,962 INFO L175 Difference]: Start difference. First operand has 40 places, 28 transitions, 69 flow. Second operand 3 states and 334 transitions. [2023-08-27 06:32:47,962 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 26 transitions, 117 flow [2023-08-27 06:32:47,962 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 06:32:47,964 INFO L231 Difference]: Finished difference. Result has 39 places, 26 transitions, 66 flow [2023-08-27 06:32:47,964 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 06:32:47,967 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -23 predicate places. [2023-08-27 06:32:47,967 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 26 transitions, 66 flow [2023-08-27 06:32:47,967 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 06:32:47,967 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 06:32:47,967 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-27 06:32:47,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-27 06:32:47,967 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-08-27 06:32:47,968 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 06:32:47,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1277946, now seen corresponding path program 1 times [2023-08-27 06:32:47,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 06:32:47,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96756543] [2023-08-27 06:32:47,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 06:32:47,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 06:32:47,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 06:32:47,997 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 06:32:47,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 06:32:47,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96756543] [2023-08-27 06:32:47,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96756543] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 06:32:47,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 06:32:47,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-27 06:32:47,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633366723] [2023-08-27 06:32:47,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 06:32:47,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-27 06:32:47,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 06:32:47,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-27 06:32:48,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-27 06:32:48,002 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 241 [2023-08-27 06:32:48,002 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 06:32:48,002 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 06:32:48,002 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 241 [2023-08-27 06:32:48,002 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 06:32:48,266 INFO L124 PetriNetUnfolderBase]: 405/664 cut-off events. [2023-08-27 06:32:48,267 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 06:32:48,267 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 06:32:48,268 INFO L140 encePairwiseOnDemand]: 238/241 looper letters, 23 selfloop transitions, 1 changer transitions 0/24 dead transitions. [2023-08-27 06:32:48,269 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 24 transitions, 110 flow [2023-08-27 06:32:48,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-27 06:32:48,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-27 06:32:48,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 332 transitions. [2023-08-27 06:32:48,270 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45919778699861685 [2023-08-27 06:32:48,270 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 332 transitions. [2023-08-27 06:32:48,270 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 332 transitions. [2023-08-27 06:32:48,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 06:32:48,271 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 332 transitions. [2023-08-27 06:32:48,272 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 06:32:48,273 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 06:32:48,273 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 06:32:48,273 INFO L175 Difference]: Start difference. First operand has 39 places, 26 transitions, 66 flow. Second operand 3 states and 332 transitions. [2023-08-27 06:32:48,273 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 24 transitions, 110 flow [2023-08-27 06:32:48,274 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 06:32:48,274 INFO L231 Difference]: Finished difference. Result has 38 places, 24 transitions, 63 flow [2023-08-27 06:32:48,274 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 06:32:48,275 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -24 predicate places. [2023-08-27 06:32:48,275 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 24 transitions, 63 flow [2023-08-27 06:32:48,275 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 06:32:48,275 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 06:32:48,275 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-27 06:32:48,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-27 06:32:48,275 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-08-27 06:32:48,276 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 06:32:48,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1228265340, now seen corresponding path program 1 times [2023-08-27 06:32:48,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 06:32:48,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281218814] [2023-08-27 06:32:48,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 06:32:48,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 06:32:48,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 06:32:48,332 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 06:32:48,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 06:32:48,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281218814] [2023-08-27 06:32:48,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281218814] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 06:32:48,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 06:32:48,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-27 06:32:48,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132977311] [2023-08-27 06:32:48,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 06:32:48,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-27 06:32:48,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 06:32:48,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-27 06:32:48,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-27 06:32:48,334 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 241 [2023-08-27 06:32:48,335 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 06:32:48,335 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 06:32:48,335 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 241 [2023-08-27 06:32:48,335 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 06:32:48,592 INFO L124 PetriNetUnfolderBase]: 277/464 cut-off events. [2023-08-27 06:32:48,592 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 06:32:48,593 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 06:32:48,594 INFO L140 encePairwiseOnDemand]: 238/241 looper letters, 21 selfloop transitions, 1 changer transitions 0/22 dead transitions. [2023-08-27 06:32:48,594 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 22 transitions, 103 flow [2023-08-27 06:32:48,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-27 06:32:48,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-27 06:32:48,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 330 transitions. [2023-08-27 06:32:48,595 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45643153526970953 [2023-08-27 06:32:48,595 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 330 transitions. [2023-08-27 06:32:48,595 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 330 transitions. [2023-08-27 06:32:48,595 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 06:32:48,596 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 330 transitions. [2023-08-27 06:32:48,596 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 06:32:48,598 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 06:32:48,598 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 06:32:48,598 INFO L175 Difference]: Start difference. First operand has 38 places, 24 transitions, 63 flow. Second operand 3 states and 330 transitions. [2023-08-27 06:32:48,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 22 transitions, 103 flow [2023-08-27 06:32:48,598 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 06:32:48,599 INFO L231 Difference]: Finished difference. Result has 37 places, 22 transitions, 60 flow [2023-08-27 06:32:48,599 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 06:32:48,599 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -25 predicate places. [2023-08-27 06:32:48,599 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 22 transitions, 60 flow [2023-08-27 06:32:48,600 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 06:32:48,600 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 06:32:48,600 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-27 06:32:48,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-27 06:32:48,600 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-08-27 06:32:48,600 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 06:32:48,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1228265345, now seen corresponding path program 1 times [2023-08-27 06:32:48,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 06:32:48,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393389732] [2023-08-27 06:32:48,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 06:32:48,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 06:32:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 06:32:48,671 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 06:32:48,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 06:32:48,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393389732] [2023-08-27 06:32:48,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393389732] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 06:32:48,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 06:32:48,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-27 06:32:48,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777005352] [2023-08-27 06:32:48,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 06:32:48,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-27 06:32:48,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 06:32:48,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-27 06:32:48,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-27 06:32:48,673 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 241 [2023-08-27 06:32:48,674 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 06:32:48,674 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 06:32:48,674 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 241 [2023-08-27 06:32:48,674 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 06:32:48,854 INFO L124 PetriNetUnfolderBase]: 173/300 cut-off events. [2023-08-27 06:32:48,854 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 06:32:48,854 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 06:32:48,855 INFO L140 encePairwiseOnDemand]: 238/241 looper letters, 19 selfloop transitions, 1 changer transitions 0/20 dead transitions. [2023-08-27 06:32:48,855 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 20 transitions, 96 flow [2023-08-27 06:32:48,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-27 06:32:48,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-27 06:32:48,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 328 transitions. [2023-08-27 06:32:48,857 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4536652835408022 [2023-08-27 06:32:48,857 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 328 transitions. [2023-08-27 06:32:48,857 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 328 transitions. [2023-08-27 06:32:48,857 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 06:32:48,857 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 328 transitions. [2023-08-27 06:32:48,858 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 06:32:48,859 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 06:32:48,859 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 06:32:48,859 INFO L175 Difference]: Start difference. First operand has 37 places, 22 transitions, 60 flow. Second operand 3 states and 328 transitions. [2023-08-27 06:32:48,860 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 20 transitions, 96 flow [2023-08-27 06:32:48,860 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 06:32:48,860 INFO L231 Difference]: Finished difference. Result has 36 places, 20 transitions, 57 flow [2023-08-27 06:32:48,860 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 06:32:48,861 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -26 predicate places. [2023-08-27 06:32:48,861 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 20 transitions, 57 flow [2023-08-27 06:32:48,861 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 06:32:48,861 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 06:32:48,861 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-27 06:32:48,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-27 06:32:48,862 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-08-27 06:32:48,862 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 06:32:48,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1228265346, now seen corresponding path program 1 times [2023-08-27 06:32:48,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 06:32:48,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228174957] [2023-08-27 06:32:48,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 06:32:48,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 06:32:48,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 06:32:48,960 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 06:32:48,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 06:32:48,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228174957] [2023-08-27 06:32:48,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228174957] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 06:32:48,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 06:32:48,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-27 06:32:48,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398682870] [2023-08-27 06:32:48,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 06:32:48,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-27 06:32:48,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 06:32:48,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-27 06:32:48,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-27 06:32:48,962 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 241 [2023-08-27 06:32:48,962 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 06:32:48,962 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 06:32:48,962 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 241 [2023-08-27 06:32:48,962 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 06:32:49,060 INFO L124 PetriNetUnfolderBase]: 93/172 cut-off events. [2023-08-27 06:32:49,061 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 06:32:49,061 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 06:32:49,061 INFO L140 encePairwiseOnDemand]: 238/241 looper letters, 17 selfloop transitions, 1 changer transitions 0/18 dead transitions. [2023-08-27 06:32:49,061 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 18 transitions, 89 flow [2023-08-27 06:32:49,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-27 06:32:49,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-27 06:32:49,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 326 transitions. [2023-08-27 06:32:49,063 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4508990318118949 [2023-08-27 06:32:49,063 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 326 transitions. [2023-08-27 06:32:49,063 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 326 transitions. [2023-08-27 06:32:49,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 06:32:49,063 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 326 transitions. [2023-08-27 06:32:49,064 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 06:32:49,065 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 06:32:49,065 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 06:32:49,065 INFO L175 Difference]: Start difference. First operand has 36 places, 20 transitions, 57 flow. Second operand 3 states and 326 transitions. [2023-08-27 06:32:49,066 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 18 transitions, 89 flow [2023-08-27 06:32:49,066 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 06:32:49,066 INFO L231 Difference]: Finished difference. Result has 35 places, 18 transitions, 54 flow [2023-08-27 06:32:49,066 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 06:32:49,067 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -27 predicate places. [2023-08-27 06:32:49,067 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 18 transitions, 54 flow [2023-08-27 06:32:49,067 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 06:32:49,067 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 06:32:49,067 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-27 06:32:49,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-27 06:32:49,068 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-08-27 06:32:49,068 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 06:32:49,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1228265339, now seen corresponding path program 1 times [2023-08-27 06:32:49,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 06:32:49,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155984604] [2023-08-27 06:32:49,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 06:32:49,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 06:32:49,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 06:32:49,110 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 06:32:49,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 06:32:49,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155984604] [2023-08-27 06:32:49,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155984604] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 06:32:49,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 06:32:49,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-27 06:32:49,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447120588] [2023-08-27 06:32:49,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 06:32:49,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-27 06:32:49,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 06:32:49,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-27 06:32:49,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-27 06:32:49,112 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 241 [2023-08-27 06:32:49,112 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 06:32:49,112 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 06:32:49,112 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 241 [2023-08-27 06:32:49,112 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 06:32:49,194 INFO L124 PetriNetUnfolderBase]: 37/80 cut-off events. [2023-08-27 06:32:49,194 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 06:32:49,194 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 06:32:49,194 INFO L140 encePairwiseOnDemand]: 238/241 looper letters, 15 selfloop transitions, 1 changer transitions 0/16 dead transitions. [2023-08-27 06:32:49,194 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 16 transitions, 82 flow [2023-08-27 06:32:49,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-27 06:32:49,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-27 06:32:49,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 324 transitions. [2023-08-27 06:32:49,196 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44813278008298757 [2023-08-27 06:32:49,196 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 324 transitions. [2023-08-27 06:32:49,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 324 transitions. [2023-08-27 06:32:49,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 06:32:49,196 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 324 transitions. [2023-08-27 06:32:49,197 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 06:32:49,198 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 06:32:49,198 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 06:32:49,198 INFO L175 Difference]: Start difference. First operand has 35 places, 18 transitions, 54 flow. Second operand 3 states and 324 transitions. [2023-08-27 06:32:49,199 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 16 transitions, 82 flow [2023-08-27 06:32:49,199 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 06:32:49,199 INFO L231 Difference]: Finished difference. Result has 34 places, 16 transitions, 51 flow [2023-08-27 06:32:49,199 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 06:32:49,200 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -28 predicate places. [2023-08-27 06:32:49,200 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 16 transitions, 51 flow [2023-08-27 06:32:49,200 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 06:32:49,200 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 06:32:49,200 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 06:32:49,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-27 06:32:49,201 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-08-27 06:32:49,201 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 06:32:49,201 INFO L85 PathProgramCache]: Analyzing trace with hash 814061163, now seen corresponding path program 1 times [2023-08-27 06:32:49,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 06:32:49,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668695792] [2023-08-27 06:32:49,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 06:32:49,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 06:32:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 06:32:57,418 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 06:32:57,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 06:32:57,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668695792] [2023-08-27 06:32:57,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668695792] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 06:32:57,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 06:32:57,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-27 06:32:57,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510988421] [2023-08-27 06:32:57,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 06:32:57,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-27 06:32:57,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 06:32:57,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-27 06:32:57,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-08-27 06:32:57,420 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 241 [2023-08-27 06:32:57,421 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 06:32:57,421 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 06:32:57,421 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 241 [2023-08-27 06:32:57,421 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 06:32:57,738 INFO L124 PetriNetUnfolderBase]: 40/106 cut-off events. [2023-08-27 06:32:57,738 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-08-27 06:32:57,738 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 06:32:57,739 INFO L140 encePairwiseOnDemand]: 237/241 looper letters, 28 selfloop transitions, 2 changer transitions 9/39 dead transitions. [2023-08-27 06:32:57,739 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 39 transitions, 184 flow [2023-08-27 06:32:57,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-27 06:32:57,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-27 06:32:57,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 465 transitions. [2023-08-27 06:32:57,740 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38589211618257263 [2023-08-27 06:32:57,740 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 465 transitions. [2023-08-27 06:32:57,741 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 465 transitions. [2023-08-27 06:32:57,741 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 06:32:57,741 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 465 transitions. [2023-08-27 06:32:57,742 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 06:32:57,744 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 06:32:57,744 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 06:32:57,744 INFO L175 Difference]: Start difference. First operand has 34 places, 16 transitions, 51 flow. Second operand 5 states and 465 transitions. [2023-08-27 06:32:57,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 39 transitions, 184 flow [2023-08-27 06:32:57,745 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 06:32:57,745 INFO L231 Difference]: Finished difference. Result has 40 places, 17 transitions, 65 flow [2023-08-27 06:32:57,745 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 06:32:57,746 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -22 predicate places. [2023-08-27 06:32:57,746 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 17 transitions, 65 flow [2023-08-27 06:32:57,746 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 06:32:57,746 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 06:32:57,746 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 06:32:57,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-27 06:32:57,746 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2023-08-27 06:32:57,747 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 06:32:57,747 INFO L85 PathProgramCache]: Analyzing trace with hash 576154049, now seen corresponding path program 2 times [2023-08-27 06:32:57,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 06:32:57,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717248788] [2023-08-27 06:32:57,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 06:32:57,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 06:32:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2023-08-27 06:46:24,202 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (75 of 76 remaining) [2023-08-27 06:46:24,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-27 06:46:24,203 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 ∧-47-8-10-8-11-7-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 context. [2023-08-27 06:46:24,204 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (74 of 76 remaining) [2023-08-27 06:46:24,204 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (73 of 76 remaining) [2023-08-27 06:46:24,205 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (72 of 76 remaining) [2023-08-27 06:46:24,205 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (71 of 76 remaining) [2023-08-27 06:46:24,205 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (70 of 76 remaining) [2023-08-27 06:46:24,205 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (69 of 76 remaining) [2023-08-27 06:46:24,205 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (68 of 76 remaining) [2023-08-27 06:46:24,206 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 76 remaining) [2023-08-27 06:46:24,206 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 76 remaining) [2023-08-27 06:46:24,206 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 76 remaining) [2023-08-27 06:46:24,206 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 76 remaining) [2023-08-27 06:46:24,206 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 76 remaining) [2023-08-27 06:46:24,206 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 76 remaining) [2023-08-27 06:46:24,207 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 76 remaining) [2023-08-27 06:46:24,207 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 76 remaining) [2023-08-27 06:46:24,207 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 76 remaining) [2023-08-27 06:46:24,207 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 76 remaining) [2023-08-27 06:46:24,207 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 76 remaining) [2023-08-27 06:46:24,207 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 76 remaining) [2023-08-27 06:46:24,208 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 76 remaining) [2023-08-27 06:46:24,208 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 76 remaining) [2023-08-27 06:46:24,208 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 76 remaining) [2023-08-27 06:46:24,208 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 76 remaining) [2023-08-27 06:46:24,208 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 76 remaining) [2023-08-27 06:46:24,208 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 76 remaining) [2023-08-27 06:46:24,209 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 76 remaining) [2023-08-27 06:46:24,209 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 76 remaining) [2023-08-27 06:46:24,209 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 76 remaining) [2023-08-27 06:46:24,209 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 76 remaining) [2023-08-27 06:46:24,209 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 76 remaining) [2023-08-27 06:46:24,209 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 76 remaining) [2023-08-27 06:46:24,210 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 76 remaining) [2023-08-27 06:46:24,210 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 76 remaining) [2023-08-27 06:46:24,210 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 76 remaining) [2023-08-27 06:46:24,210 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 76 remaining) [2023-08-27 06:46:24,210 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 76 remaining) [2023-08-27 06:46:24,210 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (38 of 76 remaining) [2023-08-27 06:46:24,211 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 76 remaining) [2023-08-27 06:46:24,211 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 76 remaining) [2023-08-27 06:46:24,211 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 76 remaining) [2023-08-27 06:46:24,211 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 76 remaining) [2023-08-27 06:46:24,211 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 76 remaining) [2023-08-27 06:46:24,211 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 76 remaining) [2023-08-27 06:46:24,212 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 76 remaining) [2023-08-27 06:46:24,212 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 76 remaining) [2023-08-27 06:46:24,212 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 76 remaining) [2023-08-27 06:46:24,212 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 76 remaining) [2023-08-27 06:46:24,212 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 76 remaining) [2023-08-27 06:46:24,212 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 76 remaining) [2023-08-27 06:46:24,212 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 76 remaining) [2023-08-27 06:46:24,213 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 76 remaining) [2023-08-27 06:46:24,213 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 76 remaining) [2023-08-27 06:46:24,213 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 76 remaining) [2023-08-27 06:46:24,213 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 76 remaining) [2023-08-27 06:46:24,213 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 76 remaining) [2023-08-27 06:46:24,213 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 76 remaining) [2023-08-27 06:46:24,214 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 76 remaining) [2023-08-27 06:46:24,214 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 76 remaining) [2023-08-27 06:46:24,214 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 76 remaining) [2023-08-27 06:46:24,214 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 76 remaining) [2023-08-27 06:46:24,214 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 76 remaining) [2023-08-27 06:46:24,214 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 76 remaining) [2023-08-27 06:46:24,215 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 76 remaining) [2023-08-27 06:46:24,215 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 76 remaining) [2023-08-27 06:46:24,215 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 76 remaining) [2023-08-27 06:46:24,215 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 76 remaining) [2023-08-27 06:46:24,215 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 76 remaining) [2023-08-27 06:46:24,215 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 76 remaining) [2023-08-27 06:46:24,215 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 76 remaining) [2023-08-27 06:46:24,216 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 76 remaining) [2023-08-27 06:46:24,216 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 76 remaining) [2023-08-27 06:46:24,216 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 76 remaining) [2023-08-27 06:46:24,216 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 76 remaining) [2023-08-27 06:46:24,216 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 76 remaining) [2023-08-27 06:46:24,217 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 76 remaining) [2023-08-27 06:46:24,217 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 06:46:24,217 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-08-27 06:46:24,227 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-27 06:46:24,227 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-27 06:46:24,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 06:46:24 BasicIcfg [2023-08-27 06:46:24,229 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-27 06:46:24,230 INFO L158 Benchmark]: Toolchain (without parser) took 853211.42ms. Allocated memory was 346.0MB in the beginning and 2.0GB in the end (delta: 1.7GB). Free memory was 322.5MB in the beginning and 1.4GB in the end (delta: -1.1GB). Peak memory consumption was 1.2GB. Max. memory is 16.0GB. [2023-08-27 06:46:24,230 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 346.0MB. Free memory was 323.1MB in the beginning and 323.0MB in the end (delta: 88.3kB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-27 06:46:24,230 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.88ms. Allocated memory is still 346.0MB. Free memory was 322.2MB in the beginning and 311.0MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2023-08-27 06:46:24,230 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.71ms. Allocated memory is still 346.0MB. Free memory was 311.0MB in the beginning and 308.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-27 06:46:24,231 INFO L158 Benchmark]: Boogie Preprocessor took 34.30ms. Allocated memory is still 346.0MB. Free memory was 308.2MB in the beginning and 306.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-27 06:46:24,231 INFO L158 Benchmark]: RCFGBuilder took 2019.12ms. Allocated memory was 346.0MB in the beginning and 417.3MB in the end (delta: 71.3MB). Free memory was 306.5MB in the beginning and 364.3MB in the end (delta: -57.8MB). Peak memory consumption was 124.3MB. Max. memory is 16.0GB. [2023-08-27 06:46:24,231 INFO L158 Benchmark]: TraceAbstraction took 850876.86ms. Allocated memory was 417.3MB in the beginning and 2.0GB in the end (delta: 1.6GB). Free memory was 364.3MB in the beginning and 1.4GB in the end (delta: -1.1GB). Peak memory consumption was 1.2GB. Max. memory is 16.0GB. [2023-08-27 06:46:24,234 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 346.0MB. Free memory was 323.1MB in the beginning and 323.0MB in the end (delta: 88.3kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 227.88ms. Allocated memory is still 346.0MB. Free memory was 322.2MB in the beginning and 311.0MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 47.71ms. Allocated memory is still 346.0MB. Free memory was 311.0MB in the beginning and 308.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 34.30ms. Allocated memory is still 346.0MB. Free memory was 308.2MB in the beginning and 306.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 2019.12ms. Allocated memory was 346.0MB in the beginning and 417.3MB in the end (delta: 71.3MB). Free memory was 306.5MB in the beginning and 364.3MB in the end (delta: -57.8MB). Peak memory consumption was 124.3MB. Max. memory is 16.0GB. * TraceAbstraction took 850876.86ms. Allocated memory was 417.3MB in the beginning and 2.0GB in the end (delta: 1.6GB). Free memory was 364.3MB in the beginning and 1.4GB in the end (delta: -1.1GB). 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: 16.8s, 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 ∧-47-8-10-8-11-7-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 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 ∧-47-8-10-8-11-7-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 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 ∧-47-8-10-8-11-7-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 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 ∧-47-8-10-8-11-7-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 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 ∧-47-8-10-8-11-7-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 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 ∧-47-8-10-8-11-7-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 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 ∧-47-8-10-8-11-7-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 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 ∧-47-8-10-8-11-7-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 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 ∧-47-8-10-8-11-7-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 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 ∧-47-8-10-8-11-7-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 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 ∧-47-8-10-8-11-7-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 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 ∧-47-8-10-8-11-7-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 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 ∧-47-8-10-8-11-7-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 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 ∧-47-8-10-8-11-7-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 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 ∧-47-8-10-8-11-7-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 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 ∧-47-8-10-8-11-7-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 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 ∧-47-8-10-8-11-7-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 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 ∧-47-8-10-8-11-7-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 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 ∧-47-8-10-8-11-7-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 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 ∧-47-8-10-8-11-7-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 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 ∧-47-8-10-8-11-7-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 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 ∧-47-8-10-8-11-7-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 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 ∧-47-8-10-8-11-7-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 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 ∧-47-8-10-8-11-7-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 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 ∧-47-8-10-8-11-7-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 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 ∧-47-8-10-8-11-7-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 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 ∧-47-8-10-8-11-7-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 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 ∧-47-8-10-8-11-7-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 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 ∧-47-8-10-8-11-7-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 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 ∧-47-8-10-8-11-7-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 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 ∧-47-8-10-8-11-7-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 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 ∧-47-8-10-8-11-7-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 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 ∧-47-8-10-8-11-7-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 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 ∧-47-8-10-8-11-7-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 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 ∧-47-8-10-8-11-7-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 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 ∧-47-8-10-8-11-7-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 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 ∧-47-8-10-8-11-7-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 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 ∧-47-8-10-8-11-7-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 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 ∧-47-8-10-8-11-7-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 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 ∧-47-8-10-8-11-7-10-7-11-7-10-7-9-7-9-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-3-2-3-2-2-2-1 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: 850.4s, OverallIterations: 15, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 16.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 17.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 311 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 311 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.8s 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, 0.3s 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, 0.4s SatisfiabilityAnalysisTime, 9.3s 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