/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/safe019_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 06:44:59,613 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 06:44:59,655 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 06:44:59,671 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 06:44:59,671 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 06:44:59,672 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 06:44:59,672 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 06:44:59,672 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 06:44:59,672 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 06:44:59,673 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 06:44:59,673 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 06:44:59,673 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 06:44:59,673 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 06:44:59,674 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 06:44:59,674 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 06:44:59,674 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 06:44:59,674 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 06:44:59,675 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 06:44:59,675 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 06:44:59,675 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 06:44:59,675 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 06:44:59,676 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 06:44:59,676 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 06:44:59,676 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 06:44:59,677 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 06:44:59,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 06:44:59,677 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 06:44:59,677 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 06:44:59,677 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 06:44:59,678 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 06:44:59,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 06:44:59,678 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 06:44:59,678 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 06:44:59,679 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-11-30 06:44:59,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 06:44:59,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 06:44:59,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 06:44:59,891 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 06:44:59,891 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 06:44:59,892 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe019_power.oepc.i [2023-11-30 06:45:01,032 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 06:45:01,216 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 06:45:01,216 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_power.oepc.i [2023-11-30 06:45:01,228 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7574cc3e5/61f3fb82ae654f6e9fc54b14843df543/FLAGe0acfc783 [2023-11-30 06:45:01,239 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7574cc3e5/61f3fb82ae654f6e9fc54b14843df543 [2023-11-30 06:45:01,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 06:45:01,242 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 06:45:01,243 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 06:45:01,243 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 06:45:01,246 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 06:45:01,246 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:45:01" (1/1) ... [2023-11-30 06:45:01,247 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@309d62c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:45:01, skipping insertion in model container [2023-11-30 06:45:01,247 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:45:01" (1/1) ... [2023-11-30 06:45:01,303 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 06:45:01,608 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 06:45:01,617 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 06:45:01,685 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 06:45:01,722 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 06:45:01,722 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 06:45:01,727 INFO L206 MainTranslator]: Completed translation [2023-11-30 06:45:01,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:45:01 WrapperNode [2023-11-30 06:45:01,729 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 06:45:01,730 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 06:45:01,730 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 06:45:01,730 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 06:45:01,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:45:01" (1/1) ... [2023-11-30 06:45:01,763 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:45:01" (1/1) ... [2023-11-30 06:45:01,795 INFO L138 Inliner]: procedures = 177, calls = 88, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 187 [2023-11-30 06:45:01,795 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 06:45:01,796 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 06:45:01,796 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 06:45:01,796 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 06:45:01,802 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:45:01" (1/1) ... [2023-11-30 06:45:01,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:45:01" (1/1) ... [2023-11-30 06:45:01,816 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:45:01" (1/1) ... [2023-11-30 06:45:01,816 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:45:01" (1/1) ... [2023-11-30 06:45:01,826 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:45:01" (1/1) ... [2023-11-30 06:45:01,827 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:45:01" (1/1) ... [2023-11-30 06:45:01,829 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:45:01" (1/1) ... [2023-11-30 06:45:01,831 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:45:01" (1/1) ... [2023-11-30 06:45:01,834 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 06:45:01,834 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 06:45:01,835 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 06:45:01,835 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 06:45:01,835 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:45:01" (1/1) ... [2023-11-30 06:45:01,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 06:45:01,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 06:45:01,861 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 06:45:01,882 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 06:45:01,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 06:45:01,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 06:45:01,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-30 06:45:01,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 06:45:01,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 06:45:01,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 06:45:01,890 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-30 06:45:01,890 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-30 06:45:01,890 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-30 06:45:01,890 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-30 06:45:01,890 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-30 06:45:01,890 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-30 06:45:01,891 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-30 06:45:01,891 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-30 06:45:01,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 06:45:01,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-30 06:45:01,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 06:45:01,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 06:45:01,892 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 06:45:02,019 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 06:45:02,021 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 06:45:02,403 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 06:45:02,597 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 06:45:02,597 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 06:45:02,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:45:02 BoogieIcfgContainer [2023-11-30 06:45:02,598 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 06:45:02,600 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 06:45:02,600 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 06:45:02,602 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 06:45:02,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 06:45:01" (1/3) ... [2023-11-30 06:45:02,603 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15f75dc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:45:02, skipping insertion in model container [2023-11-30 06:45:02,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:45:01" (2/3) ... [2023-11-30 06:45:02,604 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15f75dc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:45:02, skipping insertion in model container [2023-11-30 06:45:02,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:45:02" (3/3) ... [2023-11-30 06:45:02,605 INFO L112 eAbstractionObserver]: Analyzing ICFG safe019_power.oepc.i [2023-11-30 06:45:02,616 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 06:45:02,617 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-30 06:45:02,617 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 06:45:02,681 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-30 06:45:02,714 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 170 places, 160 transitions, 336 flow [2023-11-30 06:45:02,786 INFO L124 PetriNetUnfolderBase]: 3/156 cut-off events. [2023-11-30 06:45:02,786 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 06:45:02,791 INFO L83 FinitePrefix]: Finished finitePrefix Result has 169 conditions, 156 events. 3/156 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 100 event pairs, 0 based on Foata normal form. 0/145 useless extension candidates. Maximal degree in co-relation 100. Up to 2 conditions per place. [2023-11-30 06:45:02,791 INFO L82 GeneralOperation]: Start removeDead. Operand has 170 places, 160 transitions, 336 flow [2023-11-30 06:45:02,797 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 166 places, 156 transitions, 324 flow [2023-11-30 06:45:02,808 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 06:45:02,814 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;@4b43419a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 06:45:02,814 INFO L363 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2023-11-30 06:45:02,857 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 06:45:02,858 INFO L124 PetriNetUnfolderBase]: 0/71 cut-off events. [2023-11-30 06:45:02,858 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 06:45:02,858 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:45:02,858 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 06:45:02,859 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 06:45:02,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:45:02,862 INFO L85 PathProgramCache]: Analyzing trace with hash -670060978, now seen corresponding path program 1 times [2023-11-30 06:45:02,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:45:02,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580129092] [2023-11-30 06:45:02,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:45:02,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:45:03,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:45:03,246 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 06:45:03,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:45:03,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580129092] [2023-11-30 06:45:03,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580129092] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:45:03,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:45:03,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 06:45:03,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105199951] [2023-11-30 06:45:03,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:45:03,254 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 06:45:03,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:45:03,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 06:45:03,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 06:45:03,282 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 160 [2023-11-30 06:45:03,287 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 156 transitions, 324 flow. Second operand has 3 states, 3 states have (on average 132.33333333333334) internal successors, (397), 3 states have internal predecessors, (397), 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 06:45:03,287 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:45:03,287 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 160 [2023-11-30 06:45:03,288 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:45:04,762 INFO L124 PetriNetUnfolderBase]: 4452/7882 cut-off events. [2023-11-30 06:45:04,762 INFO L125 PetriNetUnfolderBase]: For 80/80 co-relation queries the response was YES. [2023-11-30 06:45:04,780 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14332 conditions, 7882 events. 4452/7882 cut-off events. For 80/80 co-relation queries the response was YES. Maximal size of possible extension queue 589. Compared 63362 event pairs, 1347 based on Foata normal form. 989/6606 useless extension candidates. Maximal degree in co-relation 14260. Up to 6078 conditions per place. [2023-11-30 06:45:04,832 INFO L140 encePairwiseOnDemand]: 144/160 looper letters, 35 selfloop transitions, 5 changer transitions 0/165 dead transitions. [2023-11-30 06:45:04,832 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 165 transitions, 431 flow [2023-11-30 06:45:04,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 06:45:04,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 06:45:04,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 447 transitions. [2023-11-30 06:45:04,846 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.93125 [2023-11-30 06:45:04,847 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 447 transitions. [2023-11-30 06:45:04,847 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 447 transitions. [2023-11-30 06:45:04,850 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:45:04,851 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 447 transitions. [2023-11-30 06:45:04,855 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 149.0) internal successors, (447), 3 states have internal predecessors, (447), 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 06:45:04,859 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 160.0) internal successors, (640), 4 states have internal predecessors, (640), 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 06:45:04,859 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 160.0) internal successors, (640), 4 states have internal predecessors, (640), 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 06:45:04,862 INFO L307 CegarLoopForPetriNet]: 166 programPoint places, -1 predicate places. [2023-11-30 06:45:04,862 INFO L500 AbstractCegarLoop]: Abstraction has has 165 places, 165 transitions, 431 flow [2023-11-30 06:45:04,863 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 132.33333333333334) internal successors, (397), 3 states have internal predecessors, (397), 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 06:45:04,863 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:45:04,863 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 06:45:04,864 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 06:45:04,864 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 06:45:04,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:45:04,864 INFO L85 PathProgramCache]: Analyzing trace with hash -677087204, now seen corresponding path program 1 times [2023-11-30 06:45:04,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:45:04,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235782923] [2023-11-30 06:45:04,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:45:04,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:45:04,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:45:05,014 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 06:45:05,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:45:05,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235782923] [2023-11-30 06:45:05,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235782923] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:45:05,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:45:05,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 06:45:05,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635421834] [2023-11-30 06:45:05,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:45:05,016 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 06:45:05,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:45:05,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 06:45:05,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 06:45:05,018 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 160 [2023-11-30 06:45:05,019 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 165 transitions, 431 flow. Second operand has 4 states, 4 states have (on average 132.5) internal successors, (530), 4 states have internal predecessors, (530), 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 06:45:05,019 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:45:05,019 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 160 [2023-11-30 06:45:05,019 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:45:05,865 INFO L124 PetriNetUnfolderBase]: 2241/5915 cut-off events. [2023-11-30 06:45:05,865 INFO L125 PetriNetUnfolderBase]: For 167/899 co-relation queries the response was YES. [2023-11-30 06:45:05,876 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12396 conditions, 5915 events. 2241/5915 cut-off events. For 167/899 co-relation queries the response was YES. Maximal size of possible extension queue 301. Compared 53414 event pairs, 953 based on Foata normal form. 8/5081 useless extension candidates. Maximal degree in co-relation 12321. Up to 2977 conditions per place. [2023-11-30 06:45:05,902 INFO L140 encePairwiseOnDemand]: 151/160 looper letters, 31 selfloop transitions, 5 changer transitions 0/161 dead transitions. [2023-11-30 06:45:05,902 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 161 transitions, 487 flow [2023-11-30 06:45:05,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 06:45:05,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 06:45:05,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 564 transitions. [2023-11-30 06:45:05,904 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.88125 [2023-11-30 06:45:05,904 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 564 transitions. [2023-11-30 06:45:05,904 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 564 transitions. [2023-11-30 06:45:05,904 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:45:05,904 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 564 transitions. [2023-11-30 06:45:05,905 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 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 06:45:05,907 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 160.0) internal successors, (800), 5 states have internal predecessors, (800), 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 06:45:05,907 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 160.0) internal successors, (800), 5 states have internal predecessors, (800), 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 06:45:05,908 INFO L307 CegarLoopForPetriNet]: 166 programPoint places, -2 predicate places. [2023-11-30 06:45:05,908 INFO L500 AbstractCegarLoop]: Abstraction has has 164 places, 161 transitions, 487 flow [2023-11-30 06:45:05,909 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 132.5) internal successors, (530), 4 states have internal predecessors, (530), 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 06:45:05,909 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:45:05,910 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 06:45:05,910 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 06:45:05,910 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 06:45:05,910 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:45:05,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1099145845, now seen corresponding path program 1 times [2023-11-30 06:45:05,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:45:05,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326168409] [2023-11-30 06:45:05,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:45:05,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:45:05,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:45:05,978 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 06:45:05,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:45:05,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326168409] [2023-11-30 06:45:05,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326168409] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:45:05,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:45:05,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 06:45:05,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985264693] [2023-11-30 06:45:05,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:45:05,979 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 06:45:05,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:45:05,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 06:45:05,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-30 06:45:05,980 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 160 [2023-11-30 06:45:05,981 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 161 transitions, 487 flow. Second operand has 4 states, 4 states have (on average 132.5) internal successors, (530), 4 states have internal predecessors, (530), 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 06:45:05,981 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:45:05,981 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 160 [2023-11-30 06:45:05,981 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:45:06,536 INFO L124 PetriNetUnfolderBase]: 1230/3509 cut-off events. [2023-11-30 06:45:06,536 INFO L125 PetriNetUnfolderBase]: For 502/1930 co-relation queries the response was YES. [2023-11-30 06:45:06,544 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8988 conditions, 3509 events. 1230/3509 cut-off events. For 502/1930 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 30075 event pairs, 258 based on Foata normal form. 8/3209 useless extension candidates. Maximal degree in co-relation 8910. Up to 1593 conditions per place. [2023-11-30 06:45:06,560 INFO L140 encePairwiseOnDemand]: 151/160 looper letters, 41 selfloop transitions, 9 changer transitions 0/175 dead transitions. [2023-11-30 06:45:06,560 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 175 transitions, 677 flow [2023-11-30 06:45:06,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 06:45:06,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 06:45:06,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 578 transitions. [2023-11-30 06:45:06,562 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.903125 [2023-11-30 06:45:06,562 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 578 transitions. [2023-11-30 06:45:06,562 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 578 transitions. [2023-11-30 06:45:06,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:45:06,563 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 578 transitions. [2023-11-30 06:45:06,564 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 144.5) internal successors, (578), 4 states have internal predecessors, (578), 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 06:45:06,565 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 160.0) internal successors, (800), 5 states have internal predecessors, (800), 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 06:45:06,566 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 160.0) internal successors, (800), 5 states have internal predecessors, (800), 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 06:45:06,567 INFO L307 CegarLoopForPetriNet]: 166 programPoint places, 1 predicate places. [2023-11-30 06:45:06,567 INFO L500 AbstractCegarLoop]: Abstraction has has 167 places, 175 transitions, 677 flow [2023-11-30 06:45:06,567 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 132.5) internal successors, (530), 4 states have internal predecessors, (530), 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 06:45:06,567 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:45:06,567 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 06:45:06,568 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 06:45:06,568 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 06:45:06,568 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:45:06,568 INFO L85 PathProgramCache]: Analyzing trace with hash -888635162, now seen corresponding path program 1 times [2023-11-30 06:45:06,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:45:06,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033466976] [2023-11-30 06:45:06,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:45:06,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:45:06,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:45:06,735 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 06:45:06,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:45:06,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033466976] [2023-11-30 06:45:06,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033466976] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:45:06,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:45:06,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-30 06:45:06,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051247506] [2023-11-30 06:45:06,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:45:06,736 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-30 06:45:06,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:45:06,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-30 06:45:06,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-30 06:45:06,738 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 160 [2023-11-30 06:45:06,738 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 175 transitions, 677 flow. Second operand has 5 states, 5 states have (on average 133.0) internal successors, (665), 5 states have internal predecessors, (665), 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 06:45:06,738 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:45:06,739 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 160 [2023-11-30 06:45:06,739 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:45:07,395 INFO L124 PetriNetUnfolderBase]: 996/3218 cut-off events. [2023-11-30 06:45:07,396 INFO L125 PetriNetUnfolderBase]: For 904/2666 co-relation queries the response was YES. [2023-11-30 06:45:07,400 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9015 conditions, 3218 events. 996/3218 cut-off events. For 904/2666 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 27731 event pairs, 214 based on Foata normal form. 36/3107 useless extension candidates. Maximal degree in co-relation 8934. Up to 1224 conditions per place. [2023-11-30 06:45:07,412 INFO L140 encePairwiseOnDemand]: 151/160 looper letters, 46 selfloop transitions, 13 changer transitions 4/188 dead transitions. [2023-11-30 06:45:07,412 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 188 transitions, 910 flow [2023-11-30 06:45:07,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 06:45:07,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 06:45:07,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 722 transitions. [2023-11-30 06:45:07,414 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9025 [2023-11-30 06:45:07,414 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 722 transitions. [2023-11-30 06:45:07,414 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 722 transitions. [2023-11-30 06:45:07,415 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:45:07,415 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 722 transitions. [2023-11-30 06:45:07,416 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 144.4) internal successors, (722), 5 states have internal predecessors, (722), 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 06:45:07,417 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 160.0) internal successors, (960), 6 states have internal predecessors, (960), 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 06:45:07,418 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 160.0) internal successors, (960), 6 states have internal predecessors, (960), 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 06:45:07,418 INFO L307 CegarLoopForPetriNet]: 166 programPoint places, 5 predicate places. [2023-11-30 06:45:07,418 INFO L500 AbstractCegarLoop]: Abstraction has has 171 places, 188 transitions, 910 flow [2023-11-30 06:45:07,419 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 133.0) internal successors, (665), 5 states have internal predecessors, (665), 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 06:45:07,419 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:45:07,419 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 06:45:07,419 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 06:45:07,419 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 06:45:07,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:45:07,420 INFO L85 PathProgramCache]: Analyzing trace with hash 267921073, now seen corresponding path program 1 times [2023-11-30 06:45:07,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:45:07,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653832880] [2023-11-30 06:45:07,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:45:07,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:45:07,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:45:07,535 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 06:45:07,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:45:07,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653832880] [2023-11-30 06:45:07,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653832880] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:45:07,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:45:07,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 06:45:07,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791844968] [2023-11-30 06:45:07,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:45:07,536 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 06:45:07,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:45:07,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 06:45:07,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 06:45:07,538 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 160 [2023-11-30 06:45:07,538 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 188 transitions, 910 flow. Second operand has 6 states, 6 states have (on average 133.33333333333334) internal successors, (800), 6 states have internal predecessors, (800), 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 06:45:07,538 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:45:07,539 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 160 [2023-11-30 06:45:07,539 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:45:07,953 INFO L124 PetriNetUnfolderBase]: 984/2560 cut-off events. [2023-11-30 06:45:07,954 INFO L125 PetriNetUnfolderBase]: For 700/1994 co-relation queries the response was YES. [2023-11-30 06:45:07,961 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9648 conditions, 2560 events. 984/2560 cut-off events. For 700/1994 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 19607 event pairs, 124 based on Foata normal form. 8/2513 useless extension candidates. Maximal degree in co-relation 9564. Up to 1196 conditions per place. [2023-11-30 06:45:07,964 INFO L140 encePairwiseOnDemand]: 151/160 looper letters, 0 selfloop transitions, 0 changer transitions 187/187 dead transitions. [2023-11-30 06:45:07,964 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 187 transitions, 1024 flow [2023-11-30 06:45:07,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 06:45:07,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 06:45:07,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 852 transitions. [2023-11-30 06:45:07,966 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8875 [2023-11-30 06:45:07,967 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 852 transitions. [2023-11-30 06:45:07,967 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 852 transitions. [2023-11-30 06:45:07,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:45:07,967 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 852 transitions. [2023-11-30 06:45:07,970 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 142.0) internal successors, (852), 6 states have internal predecessors, (852), 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 06:45:07,974 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 160.0) internal successors, (1120), 7 states have internal predecessors, (1120), 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 06:45:07,975 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 160.0) internal successors, (1120), 7 states have internal predecessors, (1120), 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 06:45:07,977 INFO L307 CegarLoopForPetriNet]: 166 programPoint places, 6 predicate places. [2023-11-30 06:45:07,977 INFO L500 AbstractCegarLoop]: Abstraction has has 172 places, 187 transitions, 1024 flow [2023-11-30 06:45:07,978 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 133.33333333333334) internal successors, (800), 6 states have internal predecessors, (800), 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 06:45:07,984 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/safe019_power.oepc.i_BEv2_AllErrorsAtOnce [2023-11-30 06:45:08,003 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2023-11-30 06:45:08,003 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2023-11-30 06:45:08,003 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2023-11-30 06:45:08,004 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2023-11-30 06:45:08,004 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2023-11-30 06:45:08,004 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2023-11-30 06:45:08,004 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2023-11-30 06:45:08,004 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2023-11-30 06:45:08,004 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2023-11-30 06:45:08,004 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2023-11-30 06:45:08,004 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2023-11-30 06:45:08,005 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2023-11-30 06:45:08,005 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2023-11-30 06:45:08,005 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2023-11-30 06:45:08,005 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2023-11-30 06:45:08,005 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2023-11-30 06:45:08,005 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2023-11-30 06:45:08,005 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2023-11-30 06:45:08,005 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2023-11-30 06:45:08,005 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2023-11-30 06:45:08,006 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 06:45:08,006 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-30 06:45:08,009 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 06:45:08,010 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 06:45:08,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 06:45:08 BasicIcfg [2023-11-30 06:45:08,014 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 06:45:08,015 INFO L158 Benchmark]: Toolchain (without parser) took 6772.71ms. Allocated memory was 543.2MB in the beginning and 1.5GB in the end (delta: 975.2MB). Free memory was 488.9MB in the beginning and 941.9MB in the end (delta: -453.1MB). Peak memory consumption was 524.2MB. Max. memory is 16.0GB. [2023-11-30 06:45:08,015 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 375.4MB. Free memory is still 324.1MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 06:45:08,015 INFO L158 Benchmark]: CACSL2BoogieTranslator took 486.74ms. Allocated memory is still 543.2MB. Free memory was 488.5MB in the beginning and 463.0MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. [2023-11-30 06:45:08,015 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.44ms. Allocated memory is still 543.2MB. Free memory was 463.0MB in the beginning and 459.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-11-30 06:45:08,016 INFO L158 Benchmark]: Boogie Preprocessor took 38.08ms. Allocated memory is still 543.2MB. Free memory was 459.9MB in the beginning and 457.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 06:45:08,016 INFO L158 Benchmark]: RCFGBuilder took 763.89ms. Allocated memory is still 543.2MB. Free memory was 457.5MB in the beginning and 430.9MB in the end (delta: 26.6MB). Peak memory consumption was 27.7MB. Max. memory is 16.0GB. [2023-11-30 06:45:08,016 INFO L158 Benchmark]: TraceAbstraction took 5414.04ms. Allocated memory was 543.2MB in the beginning and 1.5GB in the end (delta: 975.2MB). Free memory was 429.7MB in the beginning and 941.9MB in the end (delta: -512.2MB). Peak memory consumption was 462.9MB. Max. memory is 16.0GB. [2023-11-30 06:45:08,018 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 375.4MB. Free memory is still 324.1MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 486.74ms. Allocated memory is still 543.2MB. Free memory was 488.5MB in the beginning and 463.0MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 65.44ms. Allocated memory is still 543.2MB. Free memory was 463.0MB in the beginning and 459.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 38.08ms. Allocated memory is still 543.2MB. Free memory was 459.9MB in the beginning and 457.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 763.89ms. Allocated memory is still 543.2MB. Free memory was 457.5MB in the beginning and 430.9MB in the end (delta: 26.6MB). Peak memory consumption was 27.7MB. Max. memory is 16.0GB. * TraceAbstraction took 5414.04ms. Allocated memory was 543.2MB in the beginning and 1.5GB in the end (delta: 975.2MB). Free memory was 429.7MB in the beginning and 941.9MB in the end (delta: -512.2MB). Peak memory consumption was 462.9MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 790]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 790]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 802]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 802]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 822]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 822]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 839]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 839]: 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, 200 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: 5.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 136 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 136 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 47 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 315 IncrementalHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 47 mSolverCounterUnsat, 5 mSDtfsCounter, 315 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=1024occurred 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, 414 NumberOfCodeBlocks, 414 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 409 ConstructedInterpolants, 0 QuantifiedInterpolants, 1167 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 06:45:08,067 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...