/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg true --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/weaver/parallel-ticket-4.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 09:13:29,790 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 09:13:29,850 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2023-11-30 09:13:29,872 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 09:13:29,873 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 09:13:29,873 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 09:13:29,874 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 09:13:29,874 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 09:13:29,874 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 09:13:29,877 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 09:13:29,877 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 09:13:29,878 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 09:13:29,878 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 09:13:29,879 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 09:13:29,879 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 09:13:29,879 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 09:13:29,879 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 09:13:29,879 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 09:13:29,879 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 09:13:29,879 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 09:13:29,880 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 09:13:29,880 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 09:13:29,880 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 09:13:29,881 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 09:13:29,881 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 09:13:29,881 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 09:13:29,881 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 09:13:29,881 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 09:13:29,881 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 09:13:29,881 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 09:13:29,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 09:13:29,882 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 09:13:29,882 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 09:13:29,882 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-11-30 09:13:30,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 09:13:30,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 09:13:30,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 09:13:30,061 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 09:13:30,061 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 09:13:30,061 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-4.wvr.c [2023-11-30 09:13:31,012 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 09:13:31,157 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 09:13:31,157 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-4.wvr.c [2023-11-30 09:13:31,162 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53f847b4d/7e034115a83142529b9e8ca470b53c59/FLAG57e6fb535 [2023-11-30 09:13:31,172 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53f847b4d/7e034115a83142529b9e8ca470b53c59 [2023-11-30 09:13:31,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 09:13:31,175 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 09:13:31,176 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 09:13:31,176 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 09:13:31,179 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 09:13:31,179 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 09:13:31" (1/1) ... [2023-11-30 09:13:31,180 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72d028e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:31, skipping insertion in model container [2023-11-30 09:13:31,180 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 09:13:31" (1/1) ... [2023-11-30 09:13:31,195 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 09:13:31,352 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 09:13:31,361 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 09:13:31,381 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 09:13:31,386 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 09:13:31,386 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 09:13:31,391 INFO L206 MainTranslator]: Completed translation [2023-11-30 09:13:31,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:31 WrapperNode [2023-11-30 09:13:31,391 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 09:13:31,392 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 09:13:31,392 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 09:13:31,392 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 09:13:31,396 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:31" (1/1) ... [2023-11-30 09:13:31,408 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:31" (1/1) ... [2023-11-30 09:13:31,426 INFO L138 Inliner]: procedures = 23, calls = 71, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 227 [2023-11-30 09:13:31,427 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 09:13:31,427 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 09:13:31,427 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 09:13:31,427 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 09:13:31,435 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:31" (1/1) ... [2023-11-30 09:13:31,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:31" (1/1) ... [2023-11-30 09:13:31,437 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:31" (1/1) ... [2023-11-30 09:13:31,437 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:31" (1/1) ... [2023-11-30 09:13:31,442 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:31" (1/1) ... [2023-11-30 09:13:31,443 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:31" (1/1) ... [2023-11-30 09:13:31,444 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:31" (1/1) ... [2023-11-30 09:13:31,445 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:31" (1/1) ... [2023-11-30 09:13:31,447 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 09:13:31,447 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 09:13:31,447 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 09:13:31,447 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 09:13:31,462 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:31" (1/1) ... [2023-11-30 09:13:31,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 09:13:31,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 09:13:31,485 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-30 09:13:31,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-30 09:13:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 09:13:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-30 09:13:31,512 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-30 09:13:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-30 09:13:31,512 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-30 09:13:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-30 09:13:31,513 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-30 09:13:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-30 09:13:31,513 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-30 09:13:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 09:13:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 09:13:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 09:13:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-30 09:13:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-30 09:13:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 09:13:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 09:13:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 09:13:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 09:13:31,515 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-30 09:13:31,627 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 09:13:31,631 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 09:13:31,911 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 09:13:32,002 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 09:13:32,002 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 09:13:32,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 09:13:32 BoogieIcfgContainer [2023-11-30 09:13:32,003 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 09:13:32,005 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 09:13:32,005 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 09:13:32,007 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 09:13:32,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 09:13:31" (1/3) ... [2023-11-30 09:13:32,007 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32e372ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 09:13:32, skipping insertion in model container [2023-11-30 09:13:32,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:31" (2/3) ... [2023-11-30 09:13:32,007 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32e372ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 09:13:32, skipping insertion in model container [2023-11-30 09:13:32,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 09:13:32" (3/3) ... [2023-11-30 09:13:32,008 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-4.wvr.c [2023-11-30 09:13:32,019 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 09:13:32,020 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2023-11-30 09:13:32,020 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 09:13:32,097 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-30 09:13:32,128 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 179 places, 168 transitions, 364 flow [2023-11-30 09:13:32,186 INFO L124 PetriNetUnfolderBase]: 2/164 cut-off events. [2023-11-30 09:13:32,187 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-30 09:13:32,189 INFO L83 FinitePrefix]: Finished finitePrefix Result has 181 conditions, 164 events. 2/164 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 127 event pairs, 0 based on Foata normal form. 0/146 useless extension candidates. Maximal degree in co-relation 120. Up to 2 conditions per place. [2023-11-30 09:13:32,190 INFO L82 GeneralOperation]: Start removeDead. Operand has 179 places, 168 transitions, 364 flow [2023-11-30 09:13:32,193 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 150 places, 138 transitions, 297 flow [2023-11-30 09:13:32,201 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 09:13:32,206 INFO L362 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3cedb9dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 09:13:32,206 INFO L363 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2023-11-30 09:13:32,224 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 09:13:32,224 INFO L124 PetriNetUnfolderBase]: 1/65 cut-off events. [2023-11-30 09:13:32,224 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 09:13:32,224 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 09:13:32,225 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 09:13:32,226 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-30 09:13:32,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 09:13:32,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1157032497, now seen corresponding path program 1 times [2023-11-30 09:13:32,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 09:13:32,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928806615] [2023-11-30 09:13:32,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 09:13:32,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 09:13:32,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 09:13:32,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 09:13:32,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 09:13:32,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928806615] [2023-11-30 09:13:32,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928806615] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 09:13:32,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 09:13:32,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 09:13:32,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377142961] [2023-11-30 09:13:32,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 09:13:32,544 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 09:13:32,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 09:13:32,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 09:13:32,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 09:13:32,571 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 168 [2023-11-30 09:13:32,581 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 138 transitions, 297 flow. Second operand has 4 states, 4 states have (on average 123.25) internal successors, (493), 4 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:32,582 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 09:13:32,582 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 168 [2023-11-30 09:13:32,582 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 09:13:33,941 INFO L124 PetriNetUnfolderBase]: 7776/13132 cut-off events. [2023-11-30 09:13:33,942 INFO L125 PetriNetUnfolderBase]: For 1597/1597 co-relation queries the response was YES. [2023-11-30 09:13:33,975 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25319 conditions, 13132 events. 7776/13132 cut-off events. For 1597/1597 co-relation queries the response was YES. Maximal size of possible extension queue 905. Compared 110438 event pairs, 7776 based on Foata normal form. 1/7973 useless extension candidates. Maximal degree in co-relation 24799. Up to 10980 conditions per place. [2023-11-30 09:13:34,055 INFO L140 encePairwiseOnDemand]: 160/168 looper letters, 35 selfloop transitions, 3 changer transitions 1/133 dead transitions. [2023-11-30 09:13:34,055 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 133 transitions, 363 flow [2023-11-30 09:13:34,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 09:13:34,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 09:13:34,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 527 transitions. [2023-11-30 09:13:34,070 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7842261904761905 [2023-11-30 09:13:34,070 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 527 transitions. [2023-11-30 09:13:34,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 527 transitions. [2023-11-30 09:13:34,073 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 09:13:34,075 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 527 transitions. [2023-11-30 09:13:34,125 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 131.75) internal successors, (527), 4 states have internal predecessors, (527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:34,128 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 168.0) internal successors, (840), 5 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:34,128 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 168.0) internal successors, (840), 5 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:34,131 INFO L307 CegarLoopForPetriNet]: 150 programPoint places, -1 predicate places. [2023-11-30 09:13:34,131 INFO L500 AbstractCegarLoop]: Abstraction has has 149 places, 133 transitions, 363 flow [2023-11-30 09:13:34,131 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 123.25) internal successors, (493), 4 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:34,131 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 09:13:34,131 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 09:13:34,131 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 09:13:34,132 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-30 09:13:34,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 09:13:34,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1157032498, now seen corresponding path program 1 times [2023-11-30 09:13:34,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 09:13:34,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757583638] [2023-11-30 09:13:34,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 09:13:34,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 09:13:34,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 09:13:34,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 09:13:34,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 09:13:34,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757583638] [2023-11-30 09:13:34,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757583638] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 09:13:34,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 09:13:34,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-30 09:13:34,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645601299] [2023-11-30 09:13:34,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 09:13:34,303 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-30 09:13:34,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 09:13:34,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-30 09:13:34,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-30 09:13:34,304 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 168 [2023-11-30 09:13:34,305 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 133 transitions, 363 flow. Second operand has 5 states, 5 states have (on average 115.0) internal successors, (575), 5 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:34,305 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 09:13:34,305 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 168 [2023-11-30 09:13:34,305 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 09:13:35,546 INFO L124 PetriNetUnfolderBase]: 7703/13042 cut-off events. [2023-11-30 09:13:35,546 INFO L125 PetriNetUnfolderBase]: For 2538/4978 co-relation queries the response was YES. [2023-11-30 09:13:35,560 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35994 conditions, 13042 events. 7703/13042 cut-off events. For 2538/4978 co-relation queries the response was YES. Maximal size of possible extension queue 915. Compared 109930 event pairs, 7192 based on Foata normal form. 0/7893 useless extension candidates. Maximal degree in co-relation 31123. Up to 10881 conditions per place. [2023-11-30 09:13:35,628 INFO L140 encePairwiseOnDemand]: 155/168 looper letters, 37 selfloop transitions, 9 changer transitions 1/140 dead transitions. [2023-11-30 09:13:35,628 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 140 transitions, 494 flow [2023-11-30 09:13:35,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 09:13:35,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 09:13:35,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 616 transitions. [2023-11-30 09:13:35,630 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7333333333333333 [2023-11-30 09:13:35,630 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 616 transitions. [2023-11-30 09:13:35,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 616 transitions. [2023-11-30 09:13:35,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 09:13:35,631 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 616 transitions. [2023-11-30 09:13:35,632 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 123.2) internal successors, (616), 5 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:35,634 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 168.0) internal successors, (1008), 6 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:35,634 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 168.0) internal successors, (1008), 6 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:35,635 INFO L307 CegarLoopForPetriNet]: 150 programPoint places, 3 predicate places. [2023-11-30 09:13:35,635 INFO L500 AbstractCegarLoop]: Abstraction has has 153 places, 140 transitions, 494 flow [2023-11-30 09:13:35,635 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 115.0) internal successors, (575), 5 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:35,635 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 09:13:35,636 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 09:13:35,636 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 09:13:35,636 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-30 09:13:35,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 09:13:35,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1087331211, now seen corresponding path program 1 times [2023-11-30 09:13:35,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 09:13:35,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40538335] [2023-11-30 09:13:35,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 09:13:35,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 09:13:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 09:13:35,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 09:13:35,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 09:13:35,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40538335] [2023-11-30 09:13:35,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40538335] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 09:13:35,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 09:13:35,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 09:13:35,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251827950] [2023-11-30 09:13:35,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 09:13:35,736 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 09:13:35,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 09:13:35,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 09:13:35,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 09:13:35,740 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 168 [2023-11-30 09:13:35,744 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 140 transitions, 494 flow. Second operand has 4 states, 4 states have (on average 123.75) internal successors, (495), 4 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:35,744 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 09:13:35,744 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 168 [2023-11-30 09:13:35,744 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 09:13:36,322 INFO L124 PetriNetUnfolderBase]: 4162/7115 cut-off events. [2023-11-30 09:13:36,322 INFO L125 PetriNetUnfolderBase]: For 2398/4770 co-relation queries the response was YES. [2023-11-30 09:13:36,331 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25744 conditions, 7115 events. 4162/7115 cut-off events. For 2398/4770 co-relation queries the response was YES. Maximal size of possible extension queue 492. Compared 53440 event pairs, 3586 based on Foata normal form. 0/4906 useless extension candidates. Maximal degree in co-relation 25098. Up to 5953 conditions per place. [2023-11-30 09:13:36,377 INFO L140 encePairwiseOnDemand]: 161/168 looper letters, 38 selfloop transitions, 3 changer transitions 1/136 dead transitions. [2023-11-30 09:13:36,377 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 136 transitions, 552 flow [2023-11-30 09:13:36,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 09:13:36,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 09:13:36,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 522 transitions. [2023-11-30 09:13:36,378 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7767857142857143 [2023-11-30 09:13:36,379 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 522 transitions. [2023-11-30 09:13:36,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 522 transitions. [2023-11-30 09:13:36,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 09:13:36,379 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 522 transitions. [2023-11-30 09:13:36,380 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 130.5) internal successors, (522), 4 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:36,381 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 168.0) internal successors, (840), 5 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:36,381 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 168.0) internal successors, (840), 5 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:36,382 INFO L307 CegarLoopForPetriNet]: 150 programPoint places, 2 predicate places. [2023-11-30 09:13:36,382 INFO L500 AbstractCegarLoop]: Abstraction has has 152 places, 136 transitions, 552 flow [2023-11-30 09:13:36,383 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 123.75) internal successors, (495), 4 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:36,383 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 09:13:36,383 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 09:13:36,383 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 09:13:36,383 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-30 09:13:36,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 09:13:36,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1087331210, now seen corresponding path program 1 times [2023-11-30 09:13:36,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 09:13:36,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622621722] [2023-11-30 09:13:36,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 09:13:36,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 09:13:36,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 09:13:36,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 09:13:36,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 09:13:36,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622621722] [2023-11-30 09:13:36,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622621722] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 09:13:36,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 09:13:36,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-30 09:13:36,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131461860] [2023-11-30 09:13:36,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 09:13:36,584 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-30 09:13:36,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 09:13:36,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-30 09:13:36,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-30 09:13:36,590 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 168 [2023-11-30 09:13:36,590 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 136 transitions, 552 flow. Second operand has 5 states, 5 states have (on average 115.4) internal successors, (577), 5 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:36,590 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 09:13:36,590 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 168 [2023-11-30 09:13:36,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 09:13:37,113 INFO L124 PetriNetUnfolderBase]: 2853/5783 cut-off events. [2023-11-30 09:13:37,114 INFO L125 PetriNetUnfolderBase]: For 3746/8014 co-relation queries the response was YES. [2023-11-30 09:13:37,121 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23232 conditions, 5783 events. 2853/5783 cut-off events. For 3746/8014 co-relation queries the response was YES. Maximal size of possible extension queue 381. Compared 46542 event pairs, 890 based on Foata normal form. 2/4409 useless extension candidates. Maximal degree in co-relation 18208. Up to 4204 conditions per place. [2023-11-30 09:13:37,160 INFO L140 encePairwiseOnDemand]: 155/168 looper letters, 52 selfloop transitions, 9 changer transitions 1/155 dead transitions. [2023-11-30 09:13:37,160 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 155 transitions, 837 flow [2023-11-30 09:13:37,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 09:13:37,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 09:13:37,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 624 transitions. [2023-11-30 09:13:37,162 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7428571428571429 [2023-11-30 09:13:37,162 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 624 transitions. [2023-11-30 09:13:37,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 624 transitions. [2023-11-30 09:13:37,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 09:13:37,162 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 624 transitions. [2023-11-30 09:13:37,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 124.8) internal successors, (624), 5 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:37,165 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 168.0) internal successors, (1008), 6 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:37,166 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 168.0) internal successors, (1008), 6 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:37,166 INFO L307 CegarLoopForPetriNet]: 150 programPoint places, 6 predicate places. [2023-11-30 09:13:37,166 INFO L500 AbstractCegarLoop]: Abstraction has has 156 places, 155 transitions, 837 flow [2023-11-30 09:13:37,167 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 115.4) internal successors, (577), 5 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:37,167 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 09:13:37,167 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 09:13:37,167 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 09:13:37,167 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-30 09:13:37,167 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 09:13:37,168 INFO L85 PathProgramCache]: Analyzing trace with hash -297198843, now seen corresponding path program 1 times [2023-11-30 09:13:37,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 09:13:37,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057393608] [2023-11-30 09:13:37,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 09:13:37,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 09:13:37,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 09:13:37,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 09:13:37,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 09:13:37,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057393608] [2023-11-30 09:13:37,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057393608] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 09:13:37,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 09:13:37,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 09:13:37,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664314111] [2023-11-30 09:13:37,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 09:13:37,258 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 09:13:37,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 09:13:37,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 09:13:37,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-30 09:13:37,259 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 168 [2023-11-30 09:13:37,260 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 155 transitions, 837 flow. Second operand has 6 states, 6 states have (on average 115.0) internal successors, (690), 6 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:37,260 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 09:13:37,260 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 168 [2023-11-30 09:13:37,260 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 09:13:37,743 INFO L124 PetriNetUnfolderBase]: 2526/4778 cut-off events. [2023-11-30 09:13:37,743 INFO L125 PetriNetUnfolderBase]: For 4245/8024 co-relation queries the response was YES. [2023-11-30 09:13:37,751 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24108 conditions, 4778 events. 2526/4778 cut-off events. For 4245/8024 co-relation queries the response was YES. Maximal size of possible extension queue 367. Compared 36289 event pairs, 928 based on Foata normal form. 11/3630 useless extension candidates. Maximal degree in co-relation 18568. Up to 3753 conditions per place. [2023-11-30 09:13:37,790 INFO L140 encePairwiseOnDemand]: 155/168 looper letters, 65 selfloop transitions, 17 changer transitions 1/176 dead transitions. [2023-11-30 09:13:37,791 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 176 transitions, 1228 flow [2023-11-30 09:13:37,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 09:13:37,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 09:13:37,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 740 transitions. [2023-11-30 09:13:37,793 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7341269841269841 [2023-11-30 09:13:37,793 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 740 transitions. [2023-11-30 09:13:37,793 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 740 transitions. [2023-11-30 09:13:37,793 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 09:13:37,793 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 740 transitions. [2023-11-30 09:13:37,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 123.33333333333333) internal successors, (740), 6 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:37,797 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 168.0) internal successors, (1176), 7 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:37,797 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 168.0) internal successors, (1176), 7 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:37,799 INFO L307 CegarLoopForPetriNet]: 150 programPoint places, 11 predicate places. [2023-11-30 09:13:37,799 INFO L500 AbstractCegarLoop]: Abstraction has has 161 places, 176 transitions, 1228 flow [2023-11-30 09:13:37,800 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 115.0) internal successors, (690), 6 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:37,800 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 09:13:37,800 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 09:13:37,800 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 09:13:37,800 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-30 09:13:37,801 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 09:13:37,801 INFO L85 PathProgramCache]: Analyzing trace with hash 722637891, now seen corresponding path program 1 times [2023-11-30 09:13:37,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 09:13:37,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301380899] [2023-11-30 09:13:37,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 09:13:37,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 09:13:37,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 09:13:38,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 09:13:38,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 09:13:38,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301380899] [2023-11-30 09:13:38,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301380899] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 09:13:38,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 09:13:38,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 09:13:38,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973389818] [2023-11-30 09:13:38,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 09:13:38,062 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 09:13:38,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 09:13:38,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 09:13:38,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-30 09:13:38,063 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 168 [2023-11-30 09:13:38,063 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 176 transitions, 1228 flow. Second operand has 6 states, 6 states have (on average 115.66666666666667) internal successors, (694), 6 states have internal predecessors, (694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:38,064 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 09:13:38,064 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 168 [2023-11-30 09:13:38,064 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 09:13:38,401 INFO L124 PetriNetUnfolderBase]: 1799/3739 cut-off events. [2023-11-30 09:13:38,401 INFO L125 PetriNetUnfolderBase]: For 4813/8039 co-relation queries the response was YES. [2023-11-30 09:13:38,407 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20342 conditions, 3739 events. 1799/3739 cut-off events. For 4813/8039 co-relation queries the response was YES. Maximal size of possible extension queue 258. Compared 28258 event pairs, 327 based on Foata normal form. 14/3157 useless extension candidates. Maximal degree in co-relation 19292. Up to 2692 conditions per place. [2023-11-30 09:13:38,432 INFO L140 encePairwiseOnDemand]: 155/168 looper letters, 84 selfloop transitions, 17 changer transitions 1/195 dead transitions. [2023-11-30 09:13:38,432 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 195 transitions, 1669 flow [2023-11-30 09:13:38,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 09:13:38,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 09:13:38,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 756 transitions. [2023-11-30 09:13:38,434 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.75 [2023-11-30 09:13:38,434 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 756 transitions. [2023-11-30 09:13:38,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 756 transitions. [2023-11-30 09:13:38,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 09:13:38,434 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 756 transitions. [2023-11-30 09:13:38,436 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 126.0) internal successors, (756), 6 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:38,437 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 168.0) internal successors, (1176), 7 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:38,437 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 168.0) internal successors, (1176), 7 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:38,437 INFO L307 CegarLoopForPetriNet]: 150 programPoint places, 16 predicate places. [2023-11-30 09:13:38,438 INFO L500 AbstractCegarLoop]: Abstraction has has 166 places, 195 transitions, 1669 flow [2023-11-30 09:13:38,438 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 115.66666666666667) internal successors, (694), 6 states have internal predecessors, (694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:38,438 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 09:13:38,438 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 09:13:38,438 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-30 09:13:38,438 INFO L425 AbstractCegarLoop]: === Iteration 7 === Targeting thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-30 09:13:38,438 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 09:13:38,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1932712350, now seen corresponding path program 1 times [2023-11-30 09:13:38,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 09:13:38,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119063429] [2023-11-30 09:13:38,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 09:13:38,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 09:13:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 09:13:38,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 09:13:38,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 09:13:38,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119063429] [2023-11-30 09:13:38,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119063429] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 09:13:38,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 09:13:38,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-30 09:13:38,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822314414] [2023-11-30 09:13:38,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 09:13:38,535 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-30 09:13:38,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 09:13:38,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-30 09:13:38,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-30 09:13:38,536 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 168 [2023-11-30 09:13:38,537 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 195 transitions, 1669 flow. Second operand has 7 states, 7 states have (on average 115.0) internal successors, (805), 7 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:38,537 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 09:13:38,537 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 168 [2023-11-30 09:13:38,537 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 09:13:38,867 INFO L124 PetriNetUnfolderBase]: 1280/2595 cut-off events. [2023-11-30 09:13:38,867 INFO L125 PetriNetUnfolderBase]: For 4589/7490 co-relation queries the response was YES. [2023-11-30 09:13:38,872 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16645 conditions, 2595 events. 1280/2595 cut-off events. For 4589/7490 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 17846 event pairs, 136 based on Foata normal form. 26/2325 useless extension candidates. Maximal degree in co-relation 15958. Up to 1954 conditions per place. [2023-11-30 09:13:38,893 INFO L140 encePairwiseOnDemand]: 155/168 looper letters, 106 selfloop transitions, 29 changer transitions 1/229 dead transitions. [2023-11-30 09:13:38,893 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 229 transitions, 2435 flow [2023-11-30 09:13:38,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-30 09:13:38,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-11-30 09:13:38,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 868 transitions. [2023-11-30 09:13:38,896 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7380952380952381 [2023-11-30 09:13:38,896 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 868 transitions. [2023-11-30 09:13:38,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 868 transitions. [2023-11-30 09:13:38,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 09:13:38,896 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 868 transitions. [2023-11-30 09:13:38,898 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 124.0) internal successors, (868), 7 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:38,899 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 168.0) internal successors, (1344), 8 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:38,900 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 168.0) internal successors, (1344), 8 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:38,900 INFO L307 CegarLoopForPetriNet]: 150 programPoint places, 22 predicate places. [2023-11-30 09:13:38,901 INFO L500 AbstractCegarLoop]: Abstraction has has 172 places, 229 transitions, 2435 flow [2023-11-30 09:13:38,901 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 115.0) internal successors, (805), 7 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:38,901 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 09:13:38,901 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 09:13:38,901 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-30 09:13:38,902 INFO L425 AbstractCegarLoop]: === Iteration 8 === Targeting thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-30 09:13:38,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 09:13:38,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1816420166, now seen corresponding path program 1 times [2023-11-30 09:13:38,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 09:13:38,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42951804] [2023-11-30 09:13:38,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 09:13:38,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 09:13:38,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 09:13:39,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 09:13:39,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 09:13:39,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42951804] [2023-11-30 09:13:39,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42951804] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 09:13:39,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 09:13:39,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-30 09:13:39,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968484820] [2023-11-30 09:13:39,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 09:13:39,049 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-30 09:13:39,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 09:13:39,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-30 09:13:39,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2023-11-30 09:13:39,050 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 168 [2023-11-30 09:13:39,051 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 229 transitions, 2435 flow. Second operand has 8 states, 8 states have (on average 115.0) internal successors, (920), 8 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:39,051 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 09:13:39,051 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 168 [2023-11-30 09:13:39,051 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 09:13:39,356 INFO L124 PetriNetUnfolderBase]: 962/2051 cut-off events. [2023-11-30 09:13:39,356 INFO L125 PetriNetUnfolderBase]: For 7615/11517 co-relation queries the response was YES. [2023-11-30 09:13:39,359 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14178 conditions, 2051 events. 962/2051 cut-off events. For 7615/11517 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 13435 event pairs, 13 based on Foata normal form. 50/1964 useless extension candidates. Maximal degree in co-relation 10652. Up to 1474 conditions per place. [2023-11-30 09:13:39,375 INFO L140 encePairwiseOnDemand]: 155/168 looper letters, 114 selfloop transitions, 41 changer transitions 1/249 dead transitions. [2023-11-30 09:13:39,375 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 249 transitions, 3079 flow [2023-11-30 09:13:39,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-30 09:13:39,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-30 09:13:39,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 992 transitions. [2023-11-30 09:13:39,377 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7380952380952381 [2023-11-30 09:13:39,377 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 992 transitions. [2023-11-30 09:13:39,377 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 992 transitions. [2023-11-30 09:13:39,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 09:13:39,378 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 992 transitions. [2023-11-30 09:13:39,379 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 124.0) internal successors, (992), 8 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:39,381 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 168.0) internal successors, (1512), 9 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:39,382 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 168.0) internal successors, (1512), 9 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:39,383 INFO L307 CegarLoopForPetriNet]: 150 programPoint places, 25 predicate places. [2023-11-30 09:13:39,383 INFO L500 AbstractCegarLoop]: Abstraction has has 175 places, 249 transitions, 3079 flow [2023-11-30 09:13:39,384 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 115.0) internal successors, (920), 8 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:39,384 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 09:13:39,384 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 09:13:39,384 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-30 09:13:39,384 INFO L425 AbstractCegarLoop]: === Iteration 9 === Targeting thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-30 09:13:39,384 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 09:13:39,384 INFO L85 PathProgramCache]: Analyzing trace with hash 2034685927, now seen corresponding path program 1 times [2023-11-30 09:13:39,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 09:13:39,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184984807] [2023-11-30 09:13:39,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 09:13:39,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 09:13:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 09:13:39,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 09:13:39,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 09:13:39,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184984807] [2023-11-30 09:13:39,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184984807] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 09:13:39,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 09:13:39,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-30 09:13:39,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255349769] [2023-11-30 09:13:39,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 09:13:39,510 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-30 09:13:39,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 09:13:39,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-30 09:13:39,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-30 09:13:39,511 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 168 [2023-11-30 09:13:39,512 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 249 transitions, 3079 flow. Second operand has 7 states, 7 states have (on average 115.85714285714286) internal successors, (811), 7 states have internal predecessors, (811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:39,512 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 09:13:39,512 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 168 [2023-11-30 09:13:39,512 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 09:13:39,793 INFO L124 PetriNetUnfolderBase]: 861/1805 cut-off events. [2023-11-30 09:13:39,793 INFO L125 PetriNetUnfolderBase]: For 7212/10210 co-relation queries the response was YES. [2023-11-30 09:13:39,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13811 conditions, 1805 events. 861/1805 cut-off events. For 7212/10210 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 11347 event pairs, 0 based on Foata normal form. 12/1786 useless extension candidates. Maximal degree in co-relation 13007. Up to 1300 conditions per place. [2023-11-30 09:13:39,812 INFO L140 encePairwiseOnDemand]: 155/168 looper letters, 123 selfloop transitions, 41 changer transitions 5/262 dead transitions. [2023-11-30 09:13:39,812 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 262 transitions, 3666 flow [2023-11-30 09:13:39,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-30 09:13:39,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-11-30 09:13:39,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 872 transitions. [2023-11-30 09:13:39,817 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7414965986394558 [2023-11-30 09:13:39,817 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 872 transitions. [2023-11-30 09:13:39,817 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 872 transitions. [2023-11-30 09:13:39,817 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 09:13:39,818 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 872 transitions. [2023-11-30 09:13:39,819 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 124.57142857142857) internal successors, (872), 7 states have internal predecessors, (872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:39,821 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 168.0) internal successors, (1344), 8 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:39,821 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 168.0) internal successors, (1344), 8 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:39,822 INFO L307 CegarLoopForPetriNet]: 150 programPoint places, 31 predicate places. [2023-11-30 09:13:39,822 INFO L500 AbstractCegarLoop]: Abstraction has has 181 places, 262 transitions, 3666 flow [2023-11-30 09:13:39,822 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 115.85714285714286) internal successors, (811), 7 states have internal predecessors, (811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:39,822 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 09:13:39,822 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 09:13:39,822 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-30 09:13:39,822 INFO L425 AbstractCegarLoop]: === Iteration 10 === Targeting thread4Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-30 09:13:39,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 09:13:39,823 INFO L85 PathProgramCache]: Analyzing trace with hash -302444525, now seen corresponding path program 1 times [2023-11-30 09:13:39,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 09:13:39,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938187178] [2023-11-30 09:13:39,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 09:13:39,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 09:13:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 09:13:40,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 09:13:40,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 09:13:40,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938187178] [2023-11-30 09:13:40,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938187178] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 09:13:40,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 09:13:40,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-30 09:13:40,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696120151] [2023-11-30 09:13:40,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 09:13:40,003 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-30 09:13:40,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 09:13:40,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-30 09:13:40,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2023-11-30 09:13:40,006 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 168 [2023-11-30 09:13:40,006 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 262 transitions, 3666 flow. Second operand has 8 states, 8 states have (on average 116.0) internal successors, (928), 8 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:40,006 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 09:13:40,006 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 168 [2023-11-30 09:13:40,007 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 09:13:40,302 INFO L124 PetriNetUnfolderBase]: 855/1813 cut-off events. [2023-11-30 09:13:40,302 INFO L125 PetriNetUnfolderBase]: For 9942/13977 co-relation queries the response was YES. [2023-11-30 09:13:40,305 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14958 conditions, 1813 events. 855/1813 cut-off events. For 9942/13977 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 11429 event pairs, 5 based on Foata normal form. 20/1803 useless extension candidates. Maximal degree in co-relation 14130. Up to 1284 conditions per place. [2023-11-30 09:13:40,310 INFO L140 encePairwiseOnDemand]: 155/168 looper letters, 0 selfloop transitions, 0 changer transitions 261/261 dead transitions. [2023-11-30 09:13:40,310 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 261 transitions, 3991 flow [2023-11-30 09:13:40,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-30 09:13:40,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-30 09:13:40,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 984 transitions. [2023-11-30 09:13:40,313 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7321428571428571 [2023-11-30 09:13:40,313 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 984 transitions. [2023-11-30 09:13:40,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 984 transitions. [2023-11-30 09:13:40,313 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 09:13:40,313 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 984 transitions. [2023-11-30 09:13:40,315 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 123.0) internal successors, (984), 8 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:40,316 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 168.0) internal successors, (1512), 9 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:40,317 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 168.0) internal successors, (1512), 9 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:40,317 INFO L307 CegarLoopForPetriNet]: 150 programPoint places, 34 predicate places. [2023-11-30 09:13:40,317 INFO L500 AbstractCegarLoop]: Abstraction has has 184 places, 261 transitions, 3991 flow [2023-11-30 09:13:40,318 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 116.0) internal successors, (928), 8 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 09:13:40,323 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/parallel-ticket-4.wvr.c_BEv2_AllErrorsAtOnce [2023-11-30 09:13:40,352 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 36 remaining) [2023-11-30 09:13:40,353 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 36 remaining) [2023-11-30 09:13:40,353 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 36 remaining) [2023-11-30 09:13:40,353 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 36 remaining) [2023-11-30 09:13:40,353 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 36 remaining) [2023-11-30 09:13:40,353 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 36 remaining) [2023-11-30 09:13:40,353 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 36 remaining) [2023-11-30 09:13:40,353 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 36 remaining) [2023-11-30 09:13:40,353 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 36 remaining) [2023-11-30 09:13:40,353 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 36 remaining) [2023-11-30 09:13:40,354 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 36 remaining) [2023-11-30 09:13:40,354 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 36 remaining) [2023-11-30 09:13:40,354 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 36 remaining) [2023-11-30 09:13:40,354 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 36 remaining) [2023-11-30 09:13:40,354 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 36 remaining) [2023-11-30 09:13:40,354 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 36 remaining) [2023-11-30 09:13:40,354 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 36 remaining) [2023-11-30 09:13:40,354 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 36 remaining) [2023-11-30 09:13:40,354 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 36 remaining) [2023-11-30 09:13:40,354 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 36 remaining) [2023-11-30 09:13:40,354 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 36 remaining) [2023-11-30 09:13:40,355 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 36 remaining) [2023-11-30 09:13:40,355 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 36 remaining) [2023-11-30 09:13:40,355 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 36 remaining) [2023-11-30 09:13:40,355 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 36 remaining) [2023-11-30 09:13:40,355 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 36 remaining) [2023-11-30 09:13:40,355 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 36 remaining) [2023-11-30 09:13:40,355 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 36 remaining) [2023-11-30 09:13:40,355 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 36 remaining) [2023-11-30 09:13:40,355 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 36 remaining) [2023-11-30 09:13:40,355 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 36 remaining) [2023-11-30 09:13:40,355 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 36 remaining) [2023-11-30 09:13:40,356 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 36 remaining) [2023-11-30 09:13:40,356 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 36 remaining) [2023-11-30 09:13:40,356 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 36 remaining) [2023-11-30 09:13:40,356 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 36 remaining) [2023-11-30 09:13:40,356 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-30 09:13:40,356 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 09:13:40,360 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 09:13:40,360 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 09:13:40,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 09:13:40 BasicIcfg [2023-11-30 09:13:40,368 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 09:13:40,370 INFO L158 Benchmark]: Toolchain (without parser) took 9193.72ms. Allocated memory was 522.2MB in the beginning and 3.5GB in the end (delta: 3.0GB). Free memory was 473.6MB in the beginning and 2.1GB in the end (delta: -1.6GB). Peak memory consumption was 1.4GB. Max. memory is 16.0GB. [2023-11-30 09:13:40,370 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 346.0MB. Free memory is still 292.5MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 09:13:40,370 INFO L158 Benchmark]: CACSL2BoogieTranslator took 215.75ms. Allocated memory is still 522.2MB. Free memory was 473.6MB in the beginning and 460.8MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2023-11-30 09:13:40,370 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.68ms. Allocated memory is still 522.2MB. Free memory was 460.4MB in the beginning and 458.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 09:13:40,371 INFO L158 Benchmark]: Boogie Preprocessor took 19.47ms. Allocated memory is still 522.2MB. Free memory was 458.3MB in the beginning and 456.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 09:13:40,371 INFO L158 Benchmark]: RCFGBuilder took 556.00ms. Allocated memory is still 522.2MB. Free memory was 456.6MB in the beginning and 425.4MB in the end (delta: 31.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.0GB. [2023-11-30 09:13:40,371 INFO L158 Benchmark]: TraceAbstraction took 8363.68ms. Allocated memory was 522.2MB in the beginning and 3.5GB in the end (delta: 3.0GB). Free memory was 424.8MB in the beginning and 2.1GB in the end (delta: -1.6GB). Peak memory consumption was 1.4GB. Max. memory is 16.0GB. [2023-11-30 09:13:40,372 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 346.0MB. Free memory is still 292.5MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 215.75ms. Allocated memory is still 522.2MB. Free memory was 473.6MB in the beginning and 460.8MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 34.68ms. Allocated memory is still 522.2MB. Free memory was 460.4MB in the beginning and 458.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 19.47ms. Allocated memory is still 522.2MB. Free memory was 458.3MB in the beginning and 456.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 556.00ms. Allocated memory is still 522.2MB. Free memory was 456.6MB in the beginning and 425.4MB in the end (delta: 31.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.0GB. * TraceAbstraction took 8363.68ms. Allocated memory was 522.2MB in the beginning and 3.5GB in the end (delta: 3.0GB). Free memory was 424.8MB in the beginning and 2.1GB in the end (delta: -1.6GB). Peak memory consumption was 1.4GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 76]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 76]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 85]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 85]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 95]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 95]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 104]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 104]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 114]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 114]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 220 locations, 36 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: 8.2s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 322 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 322 mSDsluCounter, 72 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 100 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1179 IncrementalHoareTripleChecker+Invalid, 1279 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 100 mSolverCounterUnsat, 58 mSDtfsCounter, 1179 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3991occurred in iteration=10, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 764 NumberOfCodeBlocks, 764 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 754 ConstructedInterpolants, 0 QuantifiedInterpolants, 1486 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 09:13:40,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...