/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/mix026_pso.opt_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 06:41:28,017 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 06:41:28,061 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 06:41:28,093 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 06:41:28,093 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 06:41:28,093 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 06:41:28,094 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 06:41:28,094 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 06:41:28,094 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 06:41:28,094 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 06:41:28,095 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 06:41:28,095 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 06:41:28,095 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 06:41:28,095 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 06:41:28,096 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 06:41:28,098 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 06:41:28,099 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 06:41:28,101 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 06:41:28,101 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 06:41:28,101 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 06:41:28,102 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 06:41:28,102 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 06:41:28,103 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 06:41:28,103 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 06:41:28,103 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 06:41:28,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 06:41:28,103 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 06:41:28,103 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 06:41:28,103 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 06:41:28,104 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 06:41:28,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 06:41:28,104 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 06:41:28,104 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 06:41:28,105 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-11-30 06:41:28,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 06:41:28,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 06:41:28,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 06:41:28,306 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 06:41:28,306 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 06:41:28,307 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix026_pso.opt_rmo.opt.i [2023-11-30 06:41:29,451 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 06:41:29,655 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 06:41:29,656 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix026_pso.opt_rmo.opt.i [2023-11-30 06:41:29,676 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f8e5248d/4c913a45ea8b4522ac253e3b63665c82/FLAGacf67370b [2023-11-30 06:41:29,685 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f8e5248d/4c913a45ea8b4522ac253e3b63665c82 [2023-11-30 06:41:29,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 06:41:29,687 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 06:41:29,688 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 06:41:29,688 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 06:41:29,691 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 06:41:29,691 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:41:29" (1/1) ... [2023-11-30 06:41:29,692 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27526e45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:29, skipping insertion in model container [2023-11-30 06:41:29,692 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:41:29" (1/1) ... [2023-11-30 06:41:29,728 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 06:41:29,921 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 06:41:29,929 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 06:41:29,974 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 06:41:29,994 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 06:41:29,994 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 06:41:29,999 INFO L206 MainTranslator]: Completed translation [2023-11-30 06:41:29,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:29 WrapperNode [2023-11-30 06:41:29,999 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 06:41:30,000 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 06:41:30,000 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 06:41:30,000 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 06:41:30,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:29" (1/1) ... [2023-11-30 06:41:30,034 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:29" (1/1) ... [2023-11-30 06:41:30,058 INFO L138 Inliner]: procedures = 177, calls = 70, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 152 [2023-11-30 06:41:30,060 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 06:41:30,061 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 06:41:30,061 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 06:41:30,062 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 06:41:30,068 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:29" (1/1) ... [2023-11-30 06:41:30,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:29" (1/1) ... [2023-11-30 06:41:30,079 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:29" (1/1) ... [2023-11-30 06:41:30,080 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:29" (1/1) ... [2023-11-30 06:41:30,090 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:29" (1/1) ... [2023-11-30 06:41:30,091 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:29" (1/1) ... [2023-11-30 06:41:30,093 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:29" (1/1) ... [2023-11-30 06:41:30,104 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:29" (1/1) ... [2023-11-30 06:41:30,106 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 06:41:30,107 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 06:41:30,107 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 06:41:30,107 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 06:41:30,109 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:29" (1/1) ... [2023-11-30 06:41:30,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 06:41:30,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 06:41:30,131 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 06:41:30,151 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 06:41:30,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 06:41:30,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-30 06:41:30,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 06:41:30,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 06:41:30,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 06:41:30,162 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-30 06:41:30,162 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-30 06:41:30,163 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-30 06:41:30,163 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-30 06:41:30,163 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-30 06:41:30,163 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-30 06:41:30,163 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-30 06:41:30,163 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-30 06:41:30,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 06:41:30,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-30 06:41:30,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 06:41:30,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 06:41:30,166 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 06:41:30,281 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 06:41:30,282 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 06:41:30,566 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 06:41:30,637 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 06:41:30,637 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 06:41:30,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:41:30 BoogieIcfgContainer [2023-11-30 06:41:30,638 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 06:41:30,640 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 06:41:30,640 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 06:41:30,642 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 06:41:30,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 06:41:29" (1/3) ... [2023-11-30 06:41:30,642 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d4dd173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:41:30, skipping insertion in model container [2023-11-30 06:41:30,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:29" (2/3) ... [2023-11-30 06:41:30,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d4dd173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:41:30, skipping insertion in model container [2023-11-30 06:41:30,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:41:30" (3/3) ... [2023-11-30 06:41:30,643 INFO L112 eAbstractionObserver]: Analyzing ICFG mix026_pso.opt_rmo.opt.i [2023-11-30 06:41:30,654 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 06:41:30,654 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-30 06:41:30,655 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 06:41:30,708 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-30 06:41:30,739 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 155 places, 145 transitions, 306 flow [2023-11-30 06:41:30,804 INFO L124 PetriNetUnfolderBase]: 3/141 cut-off events. [2023-11-30 06:41:30,806 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 06:41:30,809 INFO L83 FinitePrefix]: Finished finitePrefix Result has 154 conditions, 141 events. 3/141 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 109 event pairs, 0 based on Foata normal form. 0/130 useless extension candidates. Maximal degree in co-relation 103. Up to 2 conditions per place. [2023-11-30 06:41:30,809 INFO L82 GeneralOperation]: Start removeDead. Operand has 155 places, 145 transitions, 306 flow [2023-11-30 06:41:30,817 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 151 places, 141 transitions, 294 flow [2023-11-30 06:41:30,828 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 06:41:30,835 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;@73c9f8f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 06:41:30,836 INFO L363 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2023-11-30 06:41:30,849 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 06:41:30,849 INFO L124 PetriNetUnfolderBase]: 0/53 cut-off events. [2023-11-30 06:41:30,849 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 06:41:30,849 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:41:30,850 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 06:41:30,850 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 06:41:30,854 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:41:30,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1819609215, now seen corresponding path program 1 times [2023-11-30 06:41:30,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:41:30,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855885382] [2023-11-30 06:41:30,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:41:30,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:41:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:41:31,084 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 06:41:31,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:41:31,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855885382] [2023-11-30 06:41:31,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855885382] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:41:31,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:41:31,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 06:41:31,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349394580] [2023-11-30 06:41:31,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:41:31,095 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 06:41:31,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:41:31,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 06:41:31,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 06:41:31,120 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 145 [2023-11-30 06:41:31,123 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 141 transitions, 294 flow. Second operand has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 0 states have call successors, (0), 0 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 06:41:31,123 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:41:31,123 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 145 [2023-11-30 06:41:31,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:41:31,939 INFO L124 PetriNetUnfolderBase]: 2759/4961 cut-off events. [2023-11-30 06:41:31,940 INFO L125 PetriNetUnfolderBase]: For 79/79 co-relation queries the response was YES. [2023-11-30 06:41:31,954 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9079 conditions, 4961 events. 2759/4961 cut-off events. For 79/79 co-relation queries the response was YES. Maximal size of possible extension queue 459. Compared 39101 event pairs, 922 based on Foata normal form. 791/4109 useless extension candidates. Maximal degree in co-relation 9025. Up to 3852 conditions per place. [2023-11-30 06:41:31,993 INFO L140 encePairwiseOnDemand]: 129/145 looper letters, 31 selfloop transitions, 5 changer transitions 0/148 dead transitions. [2023-11-30 06:41:31,994 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 148 transitions, 389 flow [2023-11-30 06:41:31,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 06:41:31,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 06:41:32,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 404 transitions. [2023-11-30 06:41:32,007 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9287356321839081 [2023-11-30 06:41:32,008 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 404 transitions. [2023-11-30 06:41:32,008 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 404 transitions. [2023-11-30 06:41:32,011 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:41:32,012 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 404 transitions. [2023-11-30 06:41:32,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 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 06:41:32,021 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 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 06:41:32,021 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 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 06:41:32,023 INFO L307 CegarLoopForPetriNet]: 151 programPoint places, -1 predicate places. [2023-11-30 06:41:32,024 INFO L500 AbstractCegarLoop]: Abstraction has has 150 places, 148 transitions, 389 flow [2023-11-30 06:41:32,024 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 0 states have call successors, (0), 0 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 06:41:32,024 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:41:32,024 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 06:41:32,025 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 06:41:32,025 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 06:41:32,025 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:41:32,026 INFO L85 PathProgramCache]: Analyzing trace with hash -836473596, now seen corresponding path program 1 times [2023-11-30 06:41:32,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:41:32,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551638623] [2023-11-30 06:41:32,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:41:32,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:41:32,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:41:32,220 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 06:41:32,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:41:32,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551638623] [2023-11-30 06:41:32,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551638623] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:41:32,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:41:32,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 06:41:32,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645301543] [2023-11-30 06:41:32,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:41:32,222 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 06:41:32,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:41:32,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 06:41:32,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 06:41:32,224 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 145 [2023-11-30 06:41:32,224 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 148 transitions, 389 flow. Second operand has 4 states, 4 states have (on average 119.5) internal successors, (478), 4 states have internal predecessors, (478), 0 states have call successors, (0), 0 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 06:41:32,224 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:41:32,224 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 145 [2023-11-30 06:41:32,224 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:41:32,707 INFO L124 PetriNetUnfolderBase]: 1326/3988 cut-off events. [2023-11-30 06:41:32,708 INFO L125 PetriNetUnfolderBase]: For 364/996 co-relation queries the response was YES. [2023-11-30 06:41:32,716 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7939 conditions, 3988 events. 1326/3988 cut-off events. For 364/996 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 35379 event pairs, 855 based on Foata normal form. 18/3292 useless extension candidates. Maximal degree in co-relation 7882. Up to 1817 conditions per place. [2023-11-30 06:41:32,741 INFO L140 encePairwiseOnDemand]: 136/145 looper letters, 27 selfloop transitions, 5 changer transitions 0/144 dead transitions. [2023-11-30 06:41:32,741 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 144 transitions, 437 flow [2023-11-30 06:41:32,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 06:41:32,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 06:41:32,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 508 transitions. [2023-11-30 06:41:32,743 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8758620689655172 [2023-11-30 06:41:32,743 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 508 transitions. [2023-11-30 06:41:32,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 508 transitions. [2023-11-30 06:41:32,743 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:41:32,743 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 508 transitions. [2023-11-30 06:41:32,744 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 06:41:32,746 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 145.0) internal successors, (725), 5 states have internal predecessors, (725), 0 states have call successors, (0), 0 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 06:41:32,746 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 145.0) internal successors, (725), 5 states have internal predecessors, (725), 0 states have call successors, (0), 0 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 06:41:32,747 INFO L307 CegarLoopForPetriNet]: 151 programPoint places, -2 predicate places. [2023-11-30 06:41:32,747 INFO L500 AbstractCegarLoop]: Abstraction has has 149 places, 144 transitions, 437 flow [2023-11-30 06:41:32,747 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 119.5) internal successors, (478), 4 states have internal predecessors, (478), 0 states have call successors, (0), 0 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 06:41:32,747 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:41:32,747 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 06:41:32,748 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 06:41:32,748 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 06:41:32,748 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:41:32,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1143414523, now seen corresponding path program 1 times [2023-11-30 06:41:32,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:41:32,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257413122] [2023-11-30 06:41:32,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:41:32,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:41:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:41:32,861 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 06:41:32,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:41:32,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257413122] [2023-11-30 06:41:32,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257413122] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:41:32,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:41:32,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 06:41:32,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641420397] [2023-11-30 06:41:32,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:41:32,864 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 06:41:32,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:41:32,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 06:41:32,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-30 06:41:32,868 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 145 [2023-11-30 06:41:32,869 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 144 transitions, 437 flow. Second operand has 4 states, 4 states have (on average 119.5) internal successors, (478), 4 states have internal predecessors, (478), 0 states have call successors, (0), 0 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 06:41:32,871 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:41:32,871 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 145 [2023-11-30 06:41:32,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:41:33,215 INFO L124 PetriNetUnfolderBase]: 702/2049 cut-off events. [2023-11-30 06:41:33,216 INFO L125 PetriNetUnfolderBase]: For 659/2355 co-relation queries the response was YES. [2023-11-30 06:41:33,220 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5297 conditions, 2049 events. 702/2049 cut-off events. For 659/2355 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 15676 event pairs, 144 based on Foata normal form. 22/1823 useless extension candidates. Maximal degree in co-relation 5237. Up to 954 conditions per place. [2023-11-30 06:41:33,228 INFO L140 encePairwiseOnDemand]: 136/145 looper letters, 35 selfloop transitions, 9 changer transitions 0/156 dead transitions. [2023-11-30 06:41:33,229 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 156 transitions, 603 flow [2023-11-30 06:41:33,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 06:41:33,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 06:41:33,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 520 transitions. [2023-11-30 06:41:33,230 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.896551724137931 [2023-11-30 06:41:33,230 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 520 transitions. [2023-11-30 06:41:33,230 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 520 transitions. [2023-11-30 06:41:33,230 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:41:33,230 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 520 transitions. [2023-11-30 06:41:33,231 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 0 states have call successors, (0), 0 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 06:41:33,232 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 145.0) internal successors, (725), 5 states have internal predecessors, (725), 0 states have call successors, (0), 0 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 06:41:33,232 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 145.0) internal successors, (725), 5 states have internal predecessors, (725), 0 states have call successors, (0), 0 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 06:41:33,234 INFO L307 CegarLoopForPetriNet]: 151 programPoint places, 1 predicate places. [2023-11-30 06:41:33,234 INFO L500 AbstractCegarLoop]: Abstraction has has 152 places, 156 transitions, 603 flow [2023-11-30 06:41:33,234 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 119.5) internal successors, (478), 4 states have internal predecessors, (478), 0 states have call successors, (0), 0 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 06:41:33,234 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:41:33,234 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 06:41:33,234 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 06:41:33,234 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 06:41:33,235 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:41:33,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1930777024, now seen corresponding path program 1 times [2023-11-30 06:41:33,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:41:33,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564421757] [2023-11-30 06:41:33,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:41:33,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:41:33,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:41:33,366 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 06:41:33,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:41:33,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564421757] [2023-11-30 06:41:33,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564421757] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:41:33,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:41:33,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-30 06:41:33,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002321854] [2023-11-30 06:41:33,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:41:33,368 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-30 06:41:33,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:41:33,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-30 06:41:33,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-30 06:41:33,372 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 145 [2023-11-30 06:41:33,372 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 156 transitions, 603 flow. Second operand has 5 states, 5 states have (on average 120.0) internal successors, (600), 5 states have internal predecessors, (600), 0 states have call successors, (0), 0 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 06:41:33,372 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:41:33,373 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 145 [2023-11-30 06:41:33,373 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:41:33,619 INFO L124 PetriNetUnfolderBase]: 549/2081 cut-off events. [2023-11-30 06:41:33,620 INFO L125 PetriNetUnfolderBase]: For 1056/2104 co-relation queries the response was YES. [2023-11-30 06:41:33,626 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5396 conditions, 2081 events. 549/2081 cut-off events. For 1056/2104 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 16823 event pairs, 79 based on Foata normal form. 77/2045 useless extension candidates. Maximal degree in co-relation 5333. Up to 708 conditions per place. [2023-11-30 06:41:33,636 INFO L140 encePairwiseOnDemand]: 136/145 looper letters, 38 selfloop transitions, 13 changer transitions 4/167 dead transitions. [2023-11-30 06:41:33,637 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 167 transitions, 804 flow [2023-11-30 06:41:33,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 06:41:33,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 06:41:33,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 649 transitions. [2023-11-30 06:41:33,638 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8951724137931034 [2023-11-30 06:41:33,638 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 649 transitions. [2023-11-30 06:41:33,638 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 649 transitions. [2023-11-30 06:41:33,639 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:41:33,639 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 649 transitions. [2023-11-30 06:41:33,640 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 129.8) internal successors, (649), 5 states have internal predecessors, (649), 0 states have call successors, (0), 0 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 06:41:33,641 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 145.0) internal successors, (870), 6 states have internal predecessors, (870), 0 states have call successors, (0), 0 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 06:41:33,642 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 145.0) internal successors, (870), 6 states have internal predecessors, (870), 0 states have call successors, (0), 0 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 06:41:33,643 INFO L307 CegarLoopForPetriNet]: 151 programPoint places, 5 predicate places. [2023-11-30 06:41:33,643 INFO L500 AbstractCegarLoop]: Abstraction has has 156 places, 167 transitions, 804 flow [2023-11-30 06:41:33,644 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 120.0) internal successors, (600), 5 states have internal predecessors, (600), 0 states have call successors, (0), 0 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 06:41:33,644 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:41:33,644 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] [2023-11-30 06:41:33,644 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 06:41:33,644 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 06:41:33,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:41:33,645 INFO L85 PathProgramCache]: Analyzing trace with hash -2125769094, now seen corresponding path program 1 times [2023-11-30 06:41:33,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:41:33,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328601970] [2023-11-30 06:41:33,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:41:33,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:41:33,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:41:33,799 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 06:41:33,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:41:33,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328601970] [2023-11-30 06:41:33,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328601970] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:41:33,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:41:33,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 06:41:33,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551955025] [2023-11-30 06:41:33,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:41:33,800 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 06:41:33,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:41:33,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 06:41:33,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 06:41:33,802 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 145 [2023-11-30 06:41:33,803 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 167 transitions, 804 flow. Second operand has 6 states, 6 states have (on average 120.16666666666667) internal successors, (721), 6 states have internal predecessors, (721), 0 states have call successors, (0), 0 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 06:41:33,803 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:41:33,803 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 145 [2023-11-30 06:41:33,803 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:41:34,127 INFO L124 PetriNetUnfolderBase]: 541/2049 cut-off events. [2023-11-30 06:41:34,127 INFO L125 PetriNetUnfolderBase]: For 983/2019 co-relation queries the response was YES. [2023-11-30 06:41:34,134 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6075 conditions, 2049 events. 541/2049 cut-off events. For 983/2019 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 16527 event pairs, 57 based on Foata normal form. 50/2019 useless extension candidates. Maximal degree in co-relation 6009. Up to 688 conditions per place. [2023-11-30 06:41:34,136 INFO L140 encePairwiseOnDemand]: 136/145 looper letters, 0 selfloop transitions, 0 changer transitions 165/165 dead transitions. [2023-11-30 06:41:34,137 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 165 transitions, 890 flow [2023-11-30 06:41:34,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 06:41:34,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 06:41:34,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 765 transitions. [2023-11-30 06:41:34,139 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8793103448275862 [2023-11-30 06:41:34,139 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 765 transitions. [2023-11-30 06:41:34,139 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 765 transitions. [2023-11-30 06:41:34,139 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:41:34,139 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 765 transitions. [2023-11-30 06:41:34,141 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 127.5) internal successors, (765), 6 states have internal predecessors, (765), 0 states have call successors, (0), 0 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 06:41:34,142 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 145.0) internal successors, (1015), 7 states have internal predecessors, (1015), 0 states have call successors, (0), 0 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 06:41:34,143 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 145.0) internal successors, (1015), 7 states have internal predecessors, (1015), 0 states have call successors, (0), 0 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 06:41:34,144 INFO L307 CegarLoopForPetriNet]: 151 programPoint places, 6 predicate places. [2023-11-30 06:41:34,144 INFO L500 AbstractCegarLoop]: Abstraction has has 157 places, 165 transitions, 890 flow [2023-11-30 06:41:34,145 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 120.16666666666667) internal successors, (721), 6 states have internal predecessors, (721), 0 states have call successors, (0), 0 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 06:41:34,151 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mix026_pso.opt_rmo.opt.i_BEv2_AllErrorsAtOnce [2023-11-30 06:41:34,186 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2023-11-30 06:41:34,186 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2023-11-30 06:41:34,186 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2023-11-30 06:41:34,186 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2023-11-30 06:41:34,187 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2023-11-30 06:41:34,187 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2023-11-30 06:41:34,190 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2023-11-30 06:41:34,190 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2023-11-30 06:41:34,190 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2023-11-30 06:41:34,191 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2023-11-30 06:41:34,191 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2023-11-30 06:41:34,192 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2023-11-30 06:41:34,192 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2023-11-30 06:41:34,192 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2023-11-30 06:41:34,192 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2023-11-30 06:41:34,192 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2023-11-30 06:41:34,193 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2023-11-30 06:41:34,193 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2023-11-30 06:41:34,193 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2023-11-30 06:41:34,193 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2023-11-30 06:41:34,193 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 06:41:34,194 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-30 06:41:34,197 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 06:41:34,198 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 06:41:34,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 06:41:34 BasicIcfg [2023-11-30 06:41:34,202 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 06:41:34,203 INFO L158 Benchmark]: Toolchain (without parser) took 4515.74ms. Allocated memory was 610.3MB in the beginning and 1.8GB in the end (delta: 1.2GB). Free memory was 568.4MB in the beginning and 1.6GB in the end (delta: -988.0MB). Peak memory consumption was 339.5MB. Max. memory is 16.0GB. [2023-11-30 06:41:34,203 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 360.7MB. Free memory is still 315.3MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 06:41:34,203 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.33ms. Allocated memory is still 610.3MB. Free memory was 568.4MB in the beginning and 544.8MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. [2023-11-30 06:41:34,204 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.35ms. Allocated memory is still 610.3MB. Free memory was 544.8MB in the beginning and 542.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 06:41:34,204 INFO L158 Benchmark]: Boogie Preprocessor took 45.36ms. Allocated memory is still 610.3MB. Free memory was 542.3MB in the beginning and 540.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 06:41:34,204 INFO L158 Benchmark]: RCFGBuilder took 531.68ms. Allocated memory is still 610.3MB. Free memory was 540.1MB in the beginning and 553.6MB in the end (delta: -13.5MB). Peak memory consumption was 23.4MB. Max. memory is 16.0GB. [2023-11-30 06:41:34,204 INFO L158 Benchmark]: TraceAbstraction took 3562.63ms. Allocated memory was 610.3MB in the beginning and 1.8GB in the end (delta: 1.2GB). Free memory was 552.7MB in the beginning and 1.6GB in the end (delta: -1.0GB). Peak memory consumption was 322.5MB. Max. memory is 16.0GB. [2023-11-30 06:41:34,206 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 360.7MB. Free memory is still 315.3MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 311.33ms. Allocated memory is still 610.3MB. Free memory was 568.4MB in the beginning and 544.8MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 60.35ms. Allocated memory is still 610.3MB. Free memory was 544.8MB in the beginning and 542.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 45.36ms. Allocated memory is still 610.3MB. Free memory was 542.3MB in the beginning and 540.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 531.68ms. Allocated memory is still 610.3MB. Free memory was 540.1MB in the beginning and 553.6MB in the end (delta: -13.5MB). Peak memory consumption was 23.4MB. Max. memory is 16.0GB. * TraceAbstraction took 3562.63ms. Allocated memory was 610.3MB in the beginning and 1.8GB in the end (delta: 1.2GB). Free memory was 552.7MB in the beginning and 1.6GB in the end (delta: -1.0GB). Peak memory consumption was 322.5MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 760]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 760]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 788]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 788]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 818]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 818]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 841]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 841]: 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, 188 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: 3.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 110 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 110 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 274 IncrementalHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 5 mSDtfsCounter, 274 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=890occurred 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, 330 NumberOfCodeBlocks, 330 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 325 ConstructedInterpolants, 0 QuantifiedInterpolants, 915 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 06:41:34,224 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...