/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/pthread-wmm/mix044_power.oepc_pso.oepc_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 06:42:27,745 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 06:42:27,807 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2023-11-30 06:42:27,838 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 06:42:27,839 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 06:42:27,839 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 06:42:27,839 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 06:42:27,840 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 06:42:27,840 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 06:42:27,843 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 06:42:27,843 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 06:42:27,843 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 06:42:27,843 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 06:42:27,844 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 06:42:27,844 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 06:42:27,844 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 06:42:27,844 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 06:42:27,845 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 06:42:27,845 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 06:42:27,845 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 06:42:27,845 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 06:42:27,846 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 06:42:27,846 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 06:42:27,846 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 06:42:27,846 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 06:42:27,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 06:42:27,846 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 06:42:27,847 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 06:42:27,847 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 06:42:27,847 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 06:42:27,848 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 06:42:27,848 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 06:42:27,848 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 06:42:27,848 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-11-30 06:42:28,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 06:42:28,027 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 06:42:28,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 06:42:28,030 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 06:42:28,040 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 06:42:28,041 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix044_power.oepc_pso.oepc_rmo.oepc.i [2023-11-30 06:42:29,045 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 06:42:29,270 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 06:42:29,270 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix044_power.oepc_pso.oepc_rmo.oepc.i [2023-11-30 06:42:29,282 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e95ae33d0/4de85fe88b294f35a2fcb1d9cd5fd44d/FLAG4a7eae14c [2023-11-30 06:42:29,293 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e95ae33d0/4de85fe88b294f35a2fcb1d9cd5fd44d [2023-11-30 06:42:29,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 06:42:29,295 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 06:42:29,298 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 06:42:29,298 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 06:42:29,301 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 06:42:29,302 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:42:29" (1/1) ... [2023-11-30 06:42:29,303 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c0577ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:29, skipping insertion in model container [2023-11-30 06:42:29,304 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:42:29" (1/1) ... [2023-11-30 06:42:29,343 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 06:42:29,614 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 06:42:29,627 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 06:42:29,670 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 06:42:29,690 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 06:42:29,690 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 06:42:29,695 INFO L206 MainTranslator]: Completed translation [2023-11-30 06:42:29,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:29 WrapperNode [2023-11-30 06:42:29,696 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 06:42:29,696 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 06:42:29,696 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 06:42:29,696 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 06:42:29,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:29" (1/1) ... [2023-11-30 06:42:29,727 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:29" (1/1) ... [2023-11-30 06:42:29,757 INFO L138 Inliner]: procedures = 177, calls = 72, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 152 [2023-11-30 06:42:29,757 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 06:42:29,758 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 06:42:29,758 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 06:42:29,758 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 06:42:29,768 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:29" (1/1) ... [2023-11-30 06:42:29,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:29" (1/1) ... [2023-11-30 06:42:29,774 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:29" (1/1) ... [2023-11-30 06:42:29,774 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:29" (1/1) ... [2023-11-30 06:42:29,781 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:29" (1/1) ... [2023-11-30 06:42:29,782 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:29" (1/1) ... [2023-11-30 06:42:29,784 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:29" (1/1) ... [2023-11-30 06:42:29,785 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:29" (1/1) ... [2023-11-30 06:42:29,788 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 06:42:29,789 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 06:42:29,789 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 06:42:29,789 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 06:42:29,789 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:29" (1/1) ... [2023-11-30 06:42:29,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 06:42:29,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 06:42:29,814 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-30 06:42:29,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 06:42:29,834 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-30 06:42:29,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 06:42:29,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 06:42:29,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 06:42:29,834 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-30 06:42:29,834 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-30 06:42:29,834 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-30 06:42:29,835 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-30 06:42:29,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-30 06:42:29,840 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-30 06:42:29,852 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-30 06:42:29,852 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-30 06:42:29,853 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-30 06:42:29,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 06:42:29,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-30 06:42:29,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 06:42:29,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 06:42:29,854 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-30 06:42:29,943 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 06:42:29,945 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 06:42:30,277 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 06:42:30,390 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 06:42:30,390 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 06:42:30,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:42:30 BoogieIcfgContainer [2023-11-30 06:42:30,392 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 06:42:30,393 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 06:42:30,393 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 06:42:30,396 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 06:42:30,396 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 06:42:29" (1/3) ... [2023-11-30 06:42:30,396 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@411adabe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:42:30, skipping insertion in model container [2023-11-30 06:42:30,397 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:29" (2/3) ... [2023-11-30 06:42:30,397 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@411adabe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:42:30, skipping insertion in model container [2023-11-30 06:42:30,397 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:42:30" (3/3) ... [2023-11-30 06:42:30,398 INFO L112 eAbstractionObserver]: Analyzing ICFG mix044_power.oepc_pso.oepc_rmo.oepc.i [2023-11-30 06:42:30,411 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 06:42:30,412 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-30 06:42:30,412 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 06:42:30,465 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-30 06:42:30,502 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 156 places, 146 transitions, 308 flow [2023-11-30 06:42:30,550 INFO L124 PetriNetUnfolderBase]: 3/142 cut-off events. [2023-11-30 06:42:30,550 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 06:42:30,557 INFO L83 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 142 events. 3/142 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 106 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 104. Up to 2 conditions per place. [2023-11-30 06:42:30,557 INFO L82 GeneralOperation]: Start removeDead. Operand has 156 places, 146 transitions, 308 flow [2023-11-30 06:42:30,560 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 152 places, 142 transitions, 296 flow [2023-11-30 06:42:30,567 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 06:42:30,578 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;@70e6a821, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 06:42:30,578 INFO L363 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2023-11-30 06:42:30,595 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 06:42:30,595 INFO L124 PetriNetUnfolderBase]: 0/52 cut-off events. [2023-11-30 06:42:30,595 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 06:42:30,595 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:42:30,596 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] [2023-11-30 06:42:30,596 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-30 06:42:30,603 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:42:30,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1607695378, now seen corresponding path program 1 times [2023-11-30 06:42:30,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:42:30,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156788378] [2023-11-30 06:42:30,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:42:30,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:42:30,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:42:30,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 06:42:30,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:42:30,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156788378] [2023-11-30 06:42:30,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156788378] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:42:30,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:42:30,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 06:42:30,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883201241] [2023-11-30 06:42:30,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:42:30,934 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 06:42:30,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:42:30,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 06:42:30,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 06:42:30,965 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 146 [2023-11-30 06:42:30,970 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 142 transitions, 296 flow. Second operand has 3 states, 3 states have (on average 118.66666666666667) internal successors, (356), 3 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:30,970 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:42:30,970 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 146 [2023-11-30 06:42:30,971 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:42:32,199 INFO L124 PetriNetUnfolderBase]: 4102/7338 cut-off events. [2023-11-30 06:42:32,199 INFO L125 PetriNetUnfolderBase]: For 103/103 co-relation queries the response was YES. [2023-11-30 06:42:32,220 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13363 conditions, 7338 events. 4102/7338 cut-off events. For 103/103 co-relation queries the response was YES. Maximal size of possible extension queue 479. Compared 58038 event pairs, 1225 based on Foata normal form. 361/5350 useless extension candidates. Maximal degree in co-relation 13309. Up to 5438 conditions per place. [2023-11-30 06:42:32,302 INFO L140 encePairwiseOnDemand]: 130/146 looper letters, 35 selfloop transitions, 5 changer transitions 0/151 dead transitions. [2023-11-30 06:42:32,303 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 151 transitions, 403 flow [2023-11-30 06:42:32,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 06:42:32,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 06:42:32,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 405 transitions. [2023-11-30 06:42:32,315 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9246575342465754 [2023-11-30 06:42:32,316 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 405 transitions. [2023-11-30 06:42:32,316 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 405 transitions. [2023-11-30 06:42:32,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:42:32,320 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 405 transitions. [2023-11-30 06:42:32,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 135.0) internal successors, (405), 3 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:32,326 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 146.0) internal successors, (584), 4 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:32,327 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 146.0) internal successors, (584), 4 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:32,329 INFO L307 CegarLoopForPetriNet]: 152 programPoint places, -1 predicate places. [2023-11-30 06:42:32,330 INFO L500 AbstractCegarLoop]: Abstraction has has 151 places, 151 transitions, 403 flow [2023-11-30 06:42:32,330 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.66666666666667) internal successors, (356), 3 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:32,330 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:42:32,330 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] [2023-11-30 06:42:32,331 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 06:42:32,331 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-30 06:42:32,332 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:42:32,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1898011620, now seen corresponding path program 1 times [2023-11-30 06:42:32,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:42:32,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385087267] [2023-11-30 06:42:32,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:42:32,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:42:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:42:32,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 06:42:32,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:42:32,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385087267] [2023-11-30 06:42:32,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385087267] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:42:32,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:42:32,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 06:42:32,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555028509] [2023-11-30 06:42:32,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:42:32,477 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 06:42:32,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:42:32,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 06:42:32,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 06:42:32,478 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 146 [2023-11-30 06:42:32,479 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 151 transitions, 403 flow. Second operand has 4 states, 4 states have (on average 119.0) internal successors, (476), 4 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:32,479 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:42:32,479 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 146 [2023-11-30 06:42:32,479 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:42:33,203 INFO L124 PetriNetUnfolderBase]: 2267/6053 cut-off events. [2023-11-30 06:42:33,204 INFO L125 PetriNetUnfolderBase]: For 515/3031 co-relation queries the response was YES. [2023-11-30 06:42:33,214 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12646 conditions, 6053 events. 2267/6053 cut-off events. For 515/3031 co-relation queries the response was YES. Maximal size of possible extension queue 287. Compared 54643 event pairs, 1199 based on Foata normal form. 32/5068 useless extension candidates. Maximal degree in co-relation 12589. Up to 2843 conditions per place. [2023-11-30 06:42:33,246 INFO L140 encePairwiseOnDemand]: 137/146 looper letters, 31 selfloop transitions, 5 changer transitions 0/147 dead transitions. [2023-11-30 06:42:33,247 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 147 transitions, 459 flow [2023-11-30 06:42:33,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 06:42:33,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 06:42:33,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 508 transitions. [2023-11-30 06:42:33,248 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8698630136986302 [2023-11-30 06:42:33,248 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 508 transitions. [2023-11-30 06:42:33,248 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 508 transitions. [2023-11-30 06:42:33,248 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:42:33,249 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 508 transitions. [2023-11-30 06:42:33,249 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 127.0) internal successors, (508), 4 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:33,251 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 146.0) internal successors, (730), 5 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:33,251 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 146.0) internal successors, (730), 5 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:33,252 INFO L307 CegarLoopForPetriNet]: 152 programPoint places, -2 predicate places. [2023-11-30 06:42:33,252 INFO L500 AbstractCegarLoop]: Abstraction has has 150 places, 147 transitions, 459 flow [2023-11-30 06:42:33,253 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 119.0) internal successors, (476), 4 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:33,253 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:42:33,253 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] [2023-11-30 06:42:33,253 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 06:42:33,253 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-30 06:42:33,254 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:42:33,254 INFO L85 PathProgramCache]: Analyzing trace with hash 873427119, now seen corresponding path program 1 times [2023-11-30 06:42:33,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:42:33,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688181398] [2023-11-30 06:42:33,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:42:33,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:42:33,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:42:33,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 06:42:33,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:42:33,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688181398] [2023-11-30 06:42:33,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688181398] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:42:33,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:42:33,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 06:42:33,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919930840] [2023-11-30 06:42:33,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:42:33,358 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 06:42:33,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:42:33,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 06:42:33,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-30 06:42:33,360 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 146 [2023-11-30 06:42:33,360 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 147 transitions, 459 flow. Second operand has 4 states, 4 states have (on average 119.0) internal successors, (476), 4 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:33,360 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:42:33,360 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 146 [2023-11-30 06:42:33,360 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:42:33,861 INFO L124 PetriNetUnfolderBase]: 1367/3247 cut-off events. [2023-11-30 06:42:33,862 INFO L125 PetriNetUnfolderBase]: For 763/4779 co-relation queries the response was YES. [2023-11-30 06:42:33,869 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9292 conditions, 3247 events. 1367/3247 cut-off events. For 763/4779 co-relation queries the response was YES. Maximal size of possible extension queue 186. Compared 25439 event pairs, 333 based on Foata normal form. 41/2969 useless extension candidates. Maximal degree in co-relation 9232. Up to 1600 conditions per place. [2023-11-30 06:42:33,888 INFO L140 encePairwiseOnDemand]: 137/146 looper letters, 41 selfloop transitions, 9 changer transitions 0/161 dead transitions. [2023-11-30 06:42:33,888 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 161 transitions, 649 flow [2023-11-30 06:42:33,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 06:42:33,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 06:42:33,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 522 transitions. [2023-11-30 06:42:33,890 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8938356164383562 [2023-11-30 06:42:33,890 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 522 transitions. [2023-11-30 06:42:33,890 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 522 transitions. [2023-11-30 06:42:33,890 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:42:33,890 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 522 transitions. [2023-11-30 06:42:33,891 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 06:42:33,892 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 146.0) internal successors, (730), 5 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:33,893 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 146.0) internal successors, (730), 5 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:33,893 INFO L307 CegarLoopForPetriNet]: 152 programPoint places, 1 predicate places. [2023-11-30 06:42:33,893 INFO L500 AbstractCegarLoop]: Abstraction has has 153 places, 161 transitions, 649 flow [2023-11-30 06:42:33,894 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 119.0) internal successors, (476), 4 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:33,894 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:42:33,894 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] [2023-11-30 06:42:33,894 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 06:42:33,894 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-30 06:42:33,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:42:33,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1286865201, now seen corresponding path program 1 times [2023-11-30 06:42:33,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:42:33,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462644151] [2023-11-30 06:42:33,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:42:33,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:42:33,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:42:33,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 06:42:33,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:42:33,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462644151] [2023-11-30 06:42:33,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462644151] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:42:33,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:42:33,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-30 06:42:33,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549708517] [2023-11-30 06:42:33,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:42:33,999 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-30 06:42:33,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:42:33,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-30 06:42:34,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-30 06:42:34,000 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 146 [2023-11-30 06:42:34,001 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 161 transitions, 649 flow. Second operand has 5 states, 5 states have (on average 119.2) internal successors, (596), 5 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:34,001 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:42:34,001 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 146 [2023-11-30 06:42:34,001 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:42:34,471 INFO L124 PetriNetUnfolderBase]: 1184/3397 cut-off events. [2023-11-30 06:42:34,471 INFO L125 PetriNetUnfolderBase]: For 1589/3845 co-relation queries the response was YES. [2023-11-30 06:42:34,480 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10236 conditions, 3397 events. 1184/3397 cut-off events. For 1589/3845 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 27809 event pairs, 375 based on Foata normal form. 86/3289 useless extension candidates. Maximal degree in co-relation 10173. Up to 1306 conditions per place. [2023-11-30 06:42:34,503 INFO L140 encePairwiseOnDemand]: 137/146 looper letters, 46 selfloop transitions, 13 changer transitions 4/174 dead transitions. [2023-11-30 06:42:34,504 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 174 transitions, 882 flow [2023-11-30 06:42:34,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 06:42:34,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 06:42:34,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 652 transitions. [2023-11-30 06:42:34,506 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8931506849315068 [2023-11-30 06:42:34,506 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 652 transitions. [2023-11-30 06:42:34,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 652 transitions. [2023-11-30 06:42:34,507 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:42:34,507 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 652 transitions. [2023-11-30 06:42:34,508 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 130.4) internal successors, (652), 5 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:34,510 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 146.0) internal successors, (876), 6 states have internal predecessors, (876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:34,511 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 146.0) internal successors, (876), 6 states have internal predecessors, (876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:34,512 INFO L307 CegarLoopForPetriNet]: 152 programPoint places, 5 predicate places. [2023-11-30 06:42:34,512 INFO L500 AbstractCegarLoop]: Abstraction has has 157 places, 174 transitions, 882 flow [2023-11-30 06:42:34,512 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 119.2) internal successors, (596), 5 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:34,512 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:42:34,513 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 06:42:34,513 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 06:42:34,513 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-30 06:42:34,514 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:42:34,514 INFO L85 PathProgramCache]: Analyzing trace with hash 161771733, now seen corresponding path program 1 times [2023-11-30 06:42:34,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:42:34,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681148860] [2023-11-30 06:42:34,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:42:34,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:42:34,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:42:34,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 06:42:34,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:42:34,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681148860] [2023-11-30 06:42:34,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681148860] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:42:34,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:42:34,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 06:42:34,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251965227] [2023-11-30 06:42:34,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:42:34,730 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 06:42:34,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:42:34,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 06:42:34,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 06:42:34,731 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 146 [2023-11-30 06:42:34,732 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 174 transitions, 882 flow. Second operand has 6 states, 6 states have (on average 119.5) internal successors, (717), 6 states have internal predecessors, (717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:34,732 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:42:34,732 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 146 [2023-11-30 06:42:34,732 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:42:35,197 INFO L124 PetriNetUnfolderBase]: 1176/3740 cut-off events. [2023-11-30 06:42:35,197 INFO L125 PetriNetUnfolderBase]: For 2445/5191 co-relation queries the response was YES. [2023-11-30 06:42:35,203 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12161 conditions, 3740 events. 1176/3740 cut-off events. For 2445/5191 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 32518 event pairs, 331 based on Foata normal form. 136/3687 useless extension candidates. Maximal degree in co-relation 12095. Up to 1286 conditions per place. [2023-11-30 06:42:35,205 INFO L140 encePairwiseOnDemand]: 137/146 looper letters, 0 selfloop transitions, 0 changer transitions 172/172 dead transitions. [2023-11-30 06:42:35,205 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 172 transitions, 984 flow [2023-11-30 06:42:35,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 06:42:35,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 06:42:35,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 767 transitions. [2023-11-30 06:42:35,207 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8755707762557078 [2023-11-30 06:42:35,207 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 767 transitions. [2023-11-30 06:42:35,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 767 transitions. [2023-11-30 06:42:35,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:42:35,208 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 767 transitions. [2023-11-30 06:42:35,209 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 127.83333333333333) internal successors, (767), 6 states have internal predecessors, (767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:35,210 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 146.0) internal successors, (1022), 7 states have internal predecessors, (1022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:35,211 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 146.0) internal successors, (1022), 7 states have internal predecessors, (1022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:35,211 INFO L307 CegarLoopForPetriNet]: 152 programPoint places, 6 predicate places. [2023-11-30 06:42:35,211 INFO L500 AbstractCegarLoop]: Abstraction has has 158 places, 172 transitions, 984 flow [2023-11-30 06:42:35,211 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 119.5) internal successors, (717), 6 states have internal predecessors, (717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:35,216 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mix044_power.oepc_pso.oepc_rmo.oepc.i_BEv2_AllErrorsAtOnce [2023-11-30 06:42:35,231 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2023-11-30 06:42:35,232 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2023-11-30 06:42:35,232 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2023-11-30 06:42:35,232 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2023-11-30 06:42:35,232 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2023-11-30 06:42:35,232 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2023-11-30 06:42:35,232 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2023-11-30 06:42:35,232 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2023-11-30 06:42:35,233 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2023-11-30 06:42:35,233 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2023-11-30 06:42:35,233 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2023-11-30 06:42:35,233 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2023-11-30 06:42:35,233 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2023-11-30 06:42:35,233 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2023-11-30 06:42:35,233 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2023-11-30 06:42:35,234 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2023-11-30 06:42:35,234 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2023-11-30 06:42:35,234 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2023-11-30 06:42:35,234 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2023-11-30 06:42:35,234 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2023-11-30 06:42:35,234 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 06:42:35,235 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-30 06:42:35,239 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 06:42:35,239 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 06:42:35,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 06:42:35 BasicIcfg [2023-11-30 06:42:35,246 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 06:42:35,248 INFO L158 Benchmark]: Toolchain (without parser) took 5950.83ms. Allocated memory was 434.1MB in the beginning and 1.4GB in the end (delta: 987.8MB). Free memory was 389.4MB in the beginning and 1.2GB in the end (delta: -782.2MB). Peak memory consumption was 443.3MB. Max. memory is 16.0GB. [2023-11-30 06:42:35,249 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 327.2MB. Free memory is still 275.2MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 06:42:35,249 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.69ms. Allocated memory is still 434.1MB. Free memory was 389.1MB in the beginning and 364.8MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. [2023-11-30 06:42:35,249 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.03ms. Allocated memory is still 434.1MB. Free memory was 364.8MB in the beginning and 362.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 06:42:35,249 INFO L158 Benchmark]: Boogie Preprocessor took 30.23ms. Allocated memory is still 434.1MB. Free memory was 362.4MB in the beginning and 360.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 06:42:35,250 INFO L158 Benchmark]: RCFGBuilder took 603.22ms. Allocated memory is still 434.1MB. Free memory was 359.9MB in the beginning and 392.7MB in the end (delta: -32.8MB). Peak memory consumption was 46.8MB. Max. memory is 16.0GB. [2023-11-30 06:42:35,250 INFO L158 Benchmark]: TraceAbstraction took 4852.49ms. Allocated memory was 434.1MB in the beginning and 1.4GB in the end (delta: 987.8MB). Free memory was 392.7MB in the beginning and 1.2GB in the end (delta: -778.9MB). Peak memory consumption was 444.8MB. Max. memory is 16.0GB. [2023-11-30 06:42:35,251 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 327.2MB. Free memory is still 275.2MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 397.69ms. Allocated memory is still 434.1MB. Free memory was 389.1MB in the beginning and 364.8MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 61.03ms. Allocated memory is still 434.1MB. Free memory was 364.8MB in the beginning and 362.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 30.23ms. Allocated memory is still 434.1MB. Free memory was 362.4MB in the beginning and 360.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 603.22ms. Allocated memory is still 434.1MB. Free memory was 359.9MB in the beginning and 392.7MB in the end (delta: -32.8MB). Peak memory consumption was 46.8MB. Max. memory is 16.0GB. * TraceAbstraction took 4852.49ms. Allocated memory was 434.1MB in the beginning and 1.4GB in the end (delta: 987.8MB). Free memory was 392.7MB in the beginning and 1.2GB in the end (delta: -778.9MB). Peak memory consumption was 444.8MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 775]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 775]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 795]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 795]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 815]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 815]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 854]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 854]: 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, 190 locations, 20 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: 4.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 126 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 126 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 307 IncrementalHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 5 mSDtfsCounter, 307 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=984occurred in iteration=5, InterpolantAutomatonStates: 22, 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, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 331 NumberOfCodeBlocks, 331 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 326 ConstructedInterpolants, 0 QuantifiedInterpolants, 918 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 06:42:35,269 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...