/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/safe006_rmo.oepc_rmo.opt-thin000_rmo.oepc_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 06:44:02,864 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 06:44:02,915 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 06:44:02,940 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 06:44:02,941 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 06:44:02,941 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 06:44:02,942 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 06:44:02,942 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 06:44:02,942 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 06:44:02,943 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 06:44:02,943 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 06:44:02,943 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 06:44:02,944 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 06:44:02,944 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 06:44:02,944 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 06:44:02,944 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 06:44:02,945 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 06:44:02,945 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 06:44:02,945 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 06:44:02,946 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 06:44:02,946 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 06:44:02,949 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 06:44:02,949 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 06:44:02,950 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 06:44:02,950 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 06:44:02,950 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 06:44:02,950 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 06:44:02,951 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 06:44:02,951 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 06:44:02,951 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 06:44:02,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 06:44:02,951 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 06:44:02,952 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 06:44:02,952 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-11-30 06:44:03,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 06:44:03,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 06:44:03,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 06:44:03,179 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 06:44:03,180 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 06:44:03,181 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe006_rmo.oepc_rmo.opt-thin000_rmo.oepc_rmo.opt.i [2023-11-30 06:44:04,472 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 06:44:04,698 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 06:44:04,699 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe006_rmo.oepc_rmo.opt-thin000_rmo.oepc_rmo.opt.i [2023-11-30 06:44:04,713 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f46d71b6/ef1d90bded6946babc4d6763e64c6833/FLAG72262453d [2023-11-30 06:44:04,724 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f46d71b6/ef1d90bded6946babc4d6763e64c6833 [2023-11-30 06:44:04,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 06:44:04,727 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 06:44:04,728 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 06:44:04,728 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 06:44:04,732 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 06:44:04,732 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:44:04" (1/1) ... [2023-11-30 06:44:04,733 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bdd7e77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:44:04, skipping insertion in model container [2023-11-30 06:44:04,733 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:44:04" (1/1) ... [2023-11-30 06:44:04,782 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 06:44:05,085 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 06:44:05,095 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 06:44:05,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 06:44:05,168 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 06:44:05,168 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 06:44:05,174 INFO L206 MainTranslator]: Completed translation [2023-11-30 06:44:05,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:44:05 WrapperNode [2023-11-30 06:44:05,175 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 06:44:05,175 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 06:44:05,176 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 06:44:05,176 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 06:44:05,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:44:05" (1/1) ... [2023-11-30 06:44:05,206 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:44:05" (1/1) ... [2023-11-30 06:44:05,232 INFO L138 Inliner]: procedures = 175, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 123 [2023-11-30 06:44:05,232 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 06:44:05,233 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 06:44:05,233 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 06:44:05,233 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 06:44:05,240 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:44:05" (1/1) ... [2023-11-30 06:44:05,241 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:44:05" (1/1) ... [2023-11-30 06:44:05,244 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:44:05" (1/1) ... [2023-11-30 06:44:05,244 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:44:05" (1/1) ... [2023-11-30 06:44:05,251 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:44:05" (1/1) ... [2023-11-30 06:44:05,254 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:44:05" (1/1) ... [2023-11-30 06:44:05,258 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:44:05" (1/1) ... [2023-11-30 06:44:05,270 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:44:05" (1/1) ... [2023-11-30 06:44:05,273 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 06:44:05,274 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 06:44:05,274 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 06:44:05,274 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 06:44:05,275 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:44:05" (1/1) ... [2023-11-30 06:44:05,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 06:44:05,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 06:44:05,303 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 06:44:05,304 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 06:44:05,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 06:44:05,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 06:44:05,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-30 06:44:05,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 06:44:05,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 06:44:05,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 06:44:05,331 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-30 06:44:05,332 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-30 06:44:05,332 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-30 06:44:05,332 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-30 06:44:05,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 06:44:05,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-30 06:44:05,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 06:44:05,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 06:44:05,334 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 06:44:05,521 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 06:44:05,531 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 06:44:05,861 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 06:44:06,110 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 06:44:06,110 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 06:44:06,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:44:06 BoogieIcfgContainer [2023-11-30 06:44:06,113 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 06:44:06,117 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 06:44:06,117 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 06:44:06,120 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 06:44:06,120 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 06:44:04" (1/3) ... [2023-11-30 06:44:06,121 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@257c12cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:44:06, skipping insertion in model container [2023-11-30 06:44:06,121 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:44:05" (2/3) ... [2023-11-30 06:44:06,122 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@257c12cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:44:06, skipping insertion in model container [2023-11-30 06:44:06,122 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:44:06" (3/3) ... [2023-11-30 06:44:06,123 INFO L112 eAbstractionObserver]: Analyzing ICFG safe006_rmo.oepc_rmo.opt-thin000_rmo.oepc_rmo.opt.i [2023-11-30 06:44:06,140 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 06:44:06,140 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-30 06:44:06,140 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 06:44:06,198 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-30 06:44:06,240 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 119 places, 115 transitions, 238 flow [2023-11-30 06:44:06,288 INFO L124 PetriNetUnfolderBase]: 3/113 cut-off events. [2023-11-30 06:44:06,288 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 06:44:06,294 INFO L83 FinitePrefix]: Finished finitePrefix Result has 120 conditions, 113 events. 3/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 59 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2023-11-30 06:44:06,294 INFO L82 GeneralOperation]: Start removeDead. Operand has 119 places, 115 transitions, 238 flow [2023-11-30 06:44:06,298 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 117 places, 113 transitions, 232 flow [2023-11-30 06:44:06,306 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 06:44:06,311 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;@610afc2e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 06:44:06,312 INFO L363 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-11-30 06:44:06,329 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 06:44:06,329 INFO L124 PetriNetUnfolderBase]: 0/61 cut-off events. [2023-11-30 06:44:06,329 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 06:44:06,330 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:44:06,330 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] [2023-11-30 06:44:06,331 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2023-11-30 06:44:06,335 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:44:06,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1633157811, now seen corresponding path program 1 times [2023-11-30 06:44:06,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:44:06,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626200037] [2023-11-30 06:44:06,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:44:06,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:44:06,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:44:06,718 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 06:44:06,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:44:06,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626200037] [2023-11-30 06:44:06,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626200037] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:44:06,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:44:06,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 06:44:06,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572861529] [2023-11-30 06:44:06,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:44:06,733 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 06:44:06,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:44:06,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 06:44:06,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 06:44:06,768 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 115 [2023-11-30 06:44:06,772 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 113 transitions, 232 flow. Second operand has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 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 06:44:06,773 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:44:06,773 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 115 [2023-11-30 06:44:06,774 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:44:06,933 INFO L124 PetriNetUnfolderBase]: 71/384 cut-off events. [2023-11-30 06:44:06,933 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-30 06:44:06,938 INFO L83 FinitePrefix]: Finished finitePrefix Result has 535 conditions, 384 events. 71/384 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1813 event pairs, 24 based on Foata normal form. 31/375 useless extension candidates. Maximal degree in co-relation 474. Up to 89 conditions per place. [2023-11-30 06:44:06,942 INFO L140 encePairwiseOnDemand]: 105/115 looper letters, 19 selfloop transitions, 3 changer transitions 2/116 dead transitions. [2023-11-30 06:44:06,942 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 116 transitions, 289 flow [2023-11-30 06:44:06,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 06:44:06,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 06:44:06,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 322 transitions. [2023-11-30 06:44:06,956 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9333333333333333 [2023-11-30 06:44:06,956 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 322 transitions. [2023-11-30 06:44:06,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 322 transitions. [2023-11-30 06:44:06,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:44:06,960 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 322 transitions. [2023-11-30 06:44:06,967 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 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 06:44:06,971 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 115.0) internal successors, (460), 4 states have internal predecessors, (460), 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 06:44:06,972 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 115.0) internal successors, (460), 4 states have internal predecessors, (460), 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 06:44:06,976 INFO L307 CegarLoopForPetriNet]: 117 programPoint places, -1 predicate places. [2023-11-30 06:44:06,977 INFO L500 AbstractCegarLoop]: Abstraction has has 116 places, 116 transitions, 289 flow [2023-11-30 06:44:06,978 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 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 06:44:06,978 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:44:06,978 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] [2023-11-30 06:44:06,978 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 06:44:06,978 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2023-11-30 06:44:06,979 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:44:06,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1008456427, now seen corresponding path program 1 times [2023-11-30 06:44:06,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:44:06,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233991798] [2023-11-30 06:44:06,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:44:06,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:44:07,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:44:07,186 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 06:44:07,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:44:07,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233991798] [2023-11-30 06:44:07,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233991798] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:44:07,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:44:07,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 06:44:07,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094311759] [2023-11-30 06:44:07,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:44:07,188 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 06:44:07,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:44:07,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 06:44:07,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 06:44:07,191 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 115 [2023-11-30 06:44:07,191 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 116 transitions, 289 flow. Second operand has 4 states, 4 states have (on average 98.0) internal successors, (392), 4 states have internal predecessors, (392), 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 06:44:07,191 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:44:07,191 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 115 [2023-11-30 06:44:07,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:44:07,371 INFO L124 PetriNetUnfolderBase]: 65/370 cut-off events. [2023-11-30 06:44:07,371 INFO L125 PetriNetUnfolderBase]: For 39/121 co-relation queries the response was YES. [2023-11-30 06:44:07,373 INFO L83 FinitePrefix]: Finished finitePrefix Result has 633 conditions, 370 events. 65/370 cut-off events. For 39/121 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1677 event pairs, 24 based on Foata normal form. 8/348 useless extension candidates. Maximal degree in co-relation 569. Up to 75 conditions per place. [2023-11-30 06:44:07,374 INFO L140 encePairwiseOnDemand]: 110/115 looper letters, 17 selfloop transitions, 3 changer transitions 2/114 dead transitions. [2023-11-30 06:44:07,374 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 114 transitions, 325 flow [2023-11-30 06:44:07,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 06:44:07,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 06:44:07,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 408 transitions. [2023-11-30 06:44:07,379 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8869565217391304 [2023-11-30 06:44:07,379 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 408 transitions. [2023-11-30 06:44:07,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 408 transitions. [2023-11-30 06:44:07,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:44:07,379 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 408 transitions. [2023-11-30 06:44:07,381 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 102.0) internal successors, (408), 4 states have internal predecessors, (408), 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 06:44:07,383 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 115.0) internal successors, (575), 5 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:44:07,383 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 115.0) internal successors, (575), 5 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:44:07,384 INFO L307 CegarLoopForPetriNet]: 117 programPoint places, 0 predicate places. [2023-11-30 06:44:07,384 INFO L500 AbstractCegarLoop]: Abstraction has has 117 places, 114 transitions, 325 flow [2023-11-30 06:44:07,385 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 98.0) internal successors, (392), 4 states have internal predecessors, (392), 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 06:44:07,385 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:44:07,385 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] [2023-11-30 06:44:07,385 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 06:44:07,385 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2023-11-30 06:44:07,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:44:07,388 INFO L85 PathProgramCache]: Analyzing trace with hash 59693618, now seen corresponding path program 1 times [2023-11-30 06:44:07,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:44:07,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932345747] [2023-11-30 06:44:07,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:44:07,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:44:07,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:44:07,579 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 06:44:07,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:44:07,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932345747] [2023-11-30 06:44:07,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932345747] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:44:07,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:44:07,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 06:44:07,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060226614] [2023-11-30 06:44:07,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:44:07,580 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 06:44:07,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:44:07,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 06:44:07,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-30 06:44:07,582 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 115 [2023-11-30 06:44:07,582 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 114 transitions, 325 flow. Second operand has 4 states, 4 states have (on average 98.0) internal successors, (392), 4 states have internal predecessors, (392), 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 06:44:07,582 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:44:07,582 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 115 [2023-11-30 06:44:07,582 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:44:07,684 INFO L124 PetriNetUnfolderBase]: 59/356 cut-off events. [2023-11-30 06:44:07,684 INFO L125 PetriNetUnfolderBase]: For 99/183 co-relation queries the response was YES. [2023-11-30 06:44:07,685 INFO L83 FinitePrefix]: Finished finitePrefix Result has 703 conditions, 356 events. 59/356 cut-off events. For 99/183 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1527 event pairs, 24 based on Foata normal form. 9/346 useless extension candidates. Maximal degree in co-relation 636. Up to 61 conditions per place. [2023-11-30 06:44:07,686 INFO L140 encePairwiseOnDemand]: 110/115 looper letters, 0 selfloop transitions, 0 changer transitions 115/115 dead transitions. [2023-11-30 06:44:07,686 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 115 transitions, 377 flow [2023-11-30 06:44:07,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 06:44:07,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 06:44:07,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 409 transitions. [2023-11-30 06:44:07,688 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8891304347826087 [2023-11-30 06:44:07,688 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 409 transitions. [2023-11-30 06:44:07,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 409 transitions. [2023-11-30 06:44:07,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:44:07,689 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 409 transitions. [2023-11-30 06:44:07,690 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 102.25) internal successors, (409), 4 states have internal predecessors, (409), 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 06:44:07,691 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 115.0) internal successors, (575), 5 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:44:07,691 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 115.0) internal successors, (575), 5 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:44:07,692 INFO L307 CegarLoopForPetriNet]: 117 programPoint places, 1 predicate places. [2023-11-30 06:44:07,692 INFO L500 AbstractCegarLoop]: Abstraction has has 118 places, 115 transitions, 377 flow [2023-11-30 06:44:07,693 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 98.0) internal successors, (392), 4 states have internal predecessors, (392), 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 06:44:07,701 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/safe006_rmo.oepc_rmo.opt-thin000_rmo.oepc_rmo.opt.i_BEv2_AllErrorsAtOnce [2023-11-30 06:44:07,726 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2023-11-30 06:44:07,727 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2023-11-30 06:44:07,727 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2023-11-30 06:44:07,729 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2023-11-30 06:44:07,732 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2023-11-30 06:44:07,732 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2023-11-30 06:44:07,732 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2023-11-30 06:44:07,733 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2023-11-30 06:44:07,733 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2023-11-30 06:44:07,733 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2023-11-30 06:44:07,733 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 06:44:07,733 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-30 06:44:07,739 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 06:44:07,739 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 06:44:07,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 06:44:07 BasicIcfg [2023-11-30 06:44:07,746 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 06:44:07,748 INFO L158 Benchmark]: Toolchain (without parser) took 3019.43ms. Allocated memory was 369.1MB in the beginning and 568.3MB in the end (delta: 199.2MB). Free memory was 317.0MB in the beginning and 451.6MB in the end (delta: -134.6MB). Peak memory consumption was 65.1MB. Max. memory is 16.0GB. [2023-11-30 06:44:07,748 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 369.1MB. Free memory is still 321.1MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 06:44:07,751 INFO L158 Benchmark]: CACSL2BoogieTranslator took 446.92ms. Allocated memory is still 369.1MB. Free memory was 317.0MB in the beginning and 294.5MB in the end (delta: 22.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. [2023-11-30 06:44:07,751 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.03ms. Allocated memory is still 369.1MB. Free memory was 294.5MB in the beginning and 291.8MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-11-30 06:44:07,751 INFO L158 Benchmark]: Boogie Preprocessor took 40.49ms. Allocated memory is still 369.1MB. Free memory was 291.8MB in the beginning and 290.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 06:44:07,751 INFO L158 Benchmark]: RCFGBuilder took 838.93ms. Allocated memory was 369.1MB in the beginning and 568.3MB in the end (delta: 199.2MB). Free memory was 290.2MB in the beginning and 532.2MB in the end (delta: -242.0MB). Peak memory consumption was 53.7MB. Max. memory is 16.0GB. [2023-11-30 06:44:07,752 INFO L158 Benchmark]: TraceAbstraction took 1628.95ms. Allocated memory is still 568.3MB. Free memory was 531.1MB in the beginning and 451.6MB in the end (delta: 79.5MB). Peak memory consumption was 78.5MB. Max. memory is 16.0GB. [2023-11-30 06:44:07,757 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 369.1MB. Free memory is still 321.1MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 446.92ms. Allocated memory is still 369.1MB. Free memory was 317.0MB in the beginning and 294.5MB in the end (delta: 22.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 57.03ms. Allocated memory is still 369.1MB. Free memory was 294.5MB in the beginning and 291.8MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 40.49ms. Allocated memory is still 369.1MB. Free memory was 291.8MB in the beginning and 290.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 838.93ms. Allocated memory was 369.1MB in the beginning and 568.3MB in the end (delta: 199.2MB). Free memory was 290.2MB in the beginning and 532.2MB in the end (delta: -242.0MB). Peak memory consumption was 53.7MB. Max. memory is 16.0GB. * TraceAbstraction took 1628.95ms. Allocated memory is still 568.3MB. Free memory was 531.1MB in the beginning and 451.6MB in the end (delta: 79.5MB). Peak memory consumption was 78.5MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 777]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 777]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 797]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 797]: 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 5 procedures, 135 locations, 10 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: 1.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 94 IncrementalHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 3 mSDtfsCounter, 94 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=377occurred in iteration=3, InterpolantAutomatonStates: 11, 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, 0.5s InterpolantComputationTime, 198 NumberOfCodeBlocks, 198 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 195 ConstructedInterpolants, 0 QuantifiedInterpolants, 549 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 06:44:07,771 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...