/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/mix023_power.opt_pso.opt_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 06:41:18,915 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 06:41:18,996 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2023-11-30 06:41:19,020 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 06:41:19,021 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 06:41:19,021 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 06:41:19,022 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 06:41:19,022 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 06:41:19,022 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 06:41:19,025 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 06:41:19,026 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 06:41:19,026 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 06:41:19,026 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 06:41:19,027 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 06:41:19,027 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 06:41:19,027 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 06:41:19,027 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 06:41:19,027 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 06:41:19,027 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 06:41:19,028 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 06:41:19,028 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 06:41:19,028 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 06:41:19,029 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 06:41:19,029 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 06:41:19,029 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 06:41:19,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 06:41:19,029 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 06:41:19,029 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 06:41:19,029 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 06:41:19,030 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 06:41:19,030 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 06:41:19,030 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 06:41:19,031 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 06:41:19,031 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-11-30 06:41:19,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 06:41:19,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 06:41:19,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 06:41:19,301 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 06:41:19,301 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 06:41:19,302 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix023_power.opt_pso.opt_rmo.opt.i [2023-11-30 06:41:20,244 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 06:41:20,424 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 06:41:20,424 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix023_power.opt_pso.opt_rmo.opt.i [2023-11-30 06:41:20,440 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c69531a3/fdd20cc153514bf1bf50350d28206738/FLAG153d91c99 [2023-11-30 06:41:20,455 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c69531a3/fdd20cc153514bf1bf50350d28206738 [2023-11-30 06:41:20,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 06:41:20,457 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 06:41:20,459 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 06:41:20,460 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 06:41:20,464 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 06:41:20,464 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:41:20" (1/1) ... [2023-11-30 06:41:20,465 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22f472b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:20, skipping insertion in model container [2023-11-30 06:41:20,466 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:41:20" (1/1) ... [2023-11-30 06:41:20,507 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 06:41:20,754 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 06:41:20,764 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 06:41:20,814 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 06:41:20,839 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 06:41:20,839 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 06:41:20,844 INFO L206 MainTranslator]: Completed translation [2023-11-30 06:41:20,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:20 WrapperNode [2023-11-30 06:41:20,844 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 06:41:20,845 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 06:41:20,845 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 06:41:20,845 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 06:41:20,850 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:20" (1/1) ... [2023-11-30 06:41:20,887 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:20" (1/1) ... [2023-11-30 06:41:20,910 INFO L138 Inliner]: procedures = 177, calls = 72, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 152 [2023-11-30 06:41:20,910 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 06:41:20,911 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 06:41:20,911 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 06:41:20,911 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 06:41:20,920 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:20" (1/1) ... [2023-11-30 06:41:20,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:20" (1/1) ... [2023-11-30 06:41:20,931 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:20" (1/1) ... [2023-11-30 06:41:20,932 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:20" (1/1) ... [2023-11-30 06:41:20,941 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:20" (1/1) ... [2023-11-30 06:41:20,942 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:20" (1/1) ... [2023-11-30 06:41:20,944 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:20" (1/1) ... [2023-11-30 06:41:20,945 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:20" (1/1) ... [2023-11-30 06:41:20,947 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 06:41:20,948 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 06:41:20,960 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 06:41:20,960 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 06:41:20,961 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:20" (1/1) ... [2023-11-30 06:41:20,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 06:41:20,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 06:41:20,982 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-30 06:41:21,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-30 06:41:21,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 06:41:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-30 06:41:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 06:41:21,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 06:41:21,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 06:41:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-30 06:41:21,017 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-30 06:41:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-30 06:41:21,017 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-30 06:41:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-30 06:41:21,017 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-30 06:41:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-30 06:41:21,017 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-30 06:41:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 06:41:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-30 06:41:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 06:41:21,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 06:41:21,019 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-30 06:41:21,131 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 06:41:21,133 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 06:41:21,355 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 06:41:21,448 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 06:41:21,448 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 06:41:21,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:41:21 BoogieIcfgContainer [2023-11-30 06:41:21,450 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 06:41:21,452 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 06:41:21,452 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 06:41:21,454 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 06:41:21,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 06:41:20" (1/3) ... [2023-11-30 06:41:21,454 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20318727 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:41:21, skipping insertion in model container [2023-11-30 06:41:21,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:20" (2/3) ... [2023-11-30 06:41:21,455 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20318727 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:41:21, skipping insertion in model container [2023-11-30 06:41:21,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:41:21" (3/3) ... [2023-11-30 06:41:21,456 INFO L112 eAbstractionObserver]: Analyzing ICFG mix023_power.opt_pso.opt_rmo.opt.i [2023-11-30 06:41:21,466 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 06:41:21,467 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-30 06:41:21,467 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 06:41:21,514 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-30 06:41:21,543 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 156 places, 146 transitions, 308 flow [2023-11-30 06:41:21,598 INFO L124 PetriNetUnfolderBase]: 3/142 cut-off events. [2023-11-30 06:41:21,599 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 06:41:21,604 INFO L83 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 142 events. 3/142 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 111 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 104. Up to 2 conditions per place. [2023-11-30 06:41:21,604 INFO L82 GeneralOperation]: Start removeDead. Operand has 156 places, 146 transitions, 308 flow [2023-11-30 06:41:21,609 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 152 places, 142 transitions, 296 flow [2023-11-30 06:41:21,621 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 06:41:21,626 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;@2606cd0d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 06:41:21,626 INFO L363 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2023-11-30 06:41:21,642 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 06:41:21,642 INFO L124 PetriNetUnfolderBase]: 0/53 cut-off events. [2023-11-30 06:41:21,642 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 06:41:21,642 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:41:21,643 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 06:41:21,643 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-30 06:41:21,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:41:21,647 INFO L85 PathProgramCache]: Analyzing trace with hash -599381979, now seen corresponding path program 1 times [2023-11-30 06:41:21,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:41:21,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191576092] [2023-11-30 06:41:21,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:41:21,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:41:21,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:41:21,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 06:41:21,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:41:21,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191576092] [2023-11-30 06:41:21,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191576092] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:41:21,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:41:21,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 06:41:21,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752583236] [2023-11-30 06:41:21,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:41:21,919 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 06:41:21,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:41:21,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 06:41:21,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 06:41:21,945 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 146 [2023-11-30 06:41:21,949 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 142 transitions, 296 flow. Second operand has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:21,949 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:41:21,949 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 146 [2023-11-30 06:41:21,949 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:41:22,694 INFO L124 PetriNetUnfolderBase]: 2759/4962 cut-off events. [2023-11-30 06:41:22,695 INFO L125 PetriNetUnfolderBase]: For 79/79 co-relation queries the response was YES. [2023-11-30 06:41:22,709 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9080 conditions, 4962 events. 2759/4962 cut-off events. For 79/79 co-relation queries the response was YES. Maximal size of possible extension queue 454. Compared 39290 event pairs, 922 based on Foata normal form. 793/4112 useless extension candidates. Maximal degree in co-relation 9026. Up to 3852 conditions per place. [2023-11-30 06:41:22,743 INFO L140 encePairwiseOnDemand]: 130/146 looper letters, 31 selfloop transitions, 5 changer transitions 0/149 dead transitions. [2023-11-30 06:41:22,744 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 149 transitions, 391 flow [2023-11-30 06:41:22,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 06:41:22,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 06:41:22,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 407 transitions. [2023-11-30 06:41:22,756 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9292237442922374 [2023-11-30 06:41:22,756 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 407 transitions. [2023-11-30 06:41:22,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 407 transitions. [2023-11-30 06:41:22,759 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:41:22,760 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 407 transitions. [2023-11-30 06:41:22,764 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 135.66666666666666) internal successors, (407), 3 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:22,767 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 146.0) internal successors, (584), 4 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:22,800 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 146.0) internal successors, (584), 4 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:22,803 INFO L307 CegarLoopForPetriNet]: 152 programPoint places, -1 predicate places. [2023-11-30 06:41:22,803 INFO L500 AbstractCegarLoop]: Abstraction has has 151 places, 149 transitions, 391 flow [2023-11-30 06:41:22,803 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:22,803 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:41:22,804 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] [2023-11-30 06:41:22,804 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 06:41:22,804 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-30 06:41:22,804 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:41:22,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1938136176, now seen corresponding path program 1 times [2023-11-30 06:41:22,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:41:22,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222708482] [2023-11-30 06:41:22,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:41:22,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:41:22,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:41:22,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 06:41:22,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:41:22,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222708482] [2023-11-30 06:41:22,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222708482] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:41:22,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:41:22,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 06:41:22,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002458378] [2023-11-30 06:41:22,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:41:22,986 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 06:41:22,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:41:22,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 06:41:22,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 06:41:22,988 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 146 [2023-11-30 06:41:22,988 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 149 transitions, 391 flow. Second operand has 4 states, 4 states have (on average 120.5) internal successors, (482), 4 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:22,988 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:41:22,989 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 146 [2023-11-30 06:41:22,989 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:41:23,451 INFO L124 PetriNetUnfolderBase]: 1326/3938 cut-off events. [2023-11-30 06:41:23,452 INFO L125 PetriNetUnfolderBase]: For 386/1058 co-relation queries the response was YES. [2023-11-30 06:41:23,460 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7889 conditions, 3938 events. 1326/3938 cut-off events. For 386/1058 co-relation queries the response was YES. Maximal size of possible extension queue 212. Compared 34611 event pairs, 906 based on Foata normal form. 18/3241 useless extension candidates. Maximal degree in co-relation 7832. Up to 1817 conditions per place. [2023-11-30 06:41:23,484 INFO L140 encePairwiseOnDemand]: 137/146 looper letters, 27 selfloop transitions, 5 changer transitions 0/145 dead transitions. [2023-11-30 06:41:23,485 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 145 transitions, 439 flow [2023-11-30 06:41:23,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 06:41:23,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 06:41:23,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 512 transitions. [2023-11-30 06:41:23,486 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8767123287671232 [2023-11-30 06:41:23,486 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 512 transitions. [2023-11-30 06:41:23,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 512 transitions. [2023-11-30 06:41:23,486 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:41:23,487 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 512 transitions. [2023-11-30 06:41:23,487 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:23,489 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 146.0) internal successors, (730), 5 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:23,489 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 146.0) internal successors, (730), 5 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:23,490 INFO L307 CegarLoopForPetriNet]: 152 programPoint places, -2 predicate places. [2023-11-30 06:41:23,490 INFO L500 AbstractCegarLoop]: Abstraction has has 150 places, 145 transitions, 439 flow [2023-11-30 06:41:23,490 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 120.5) internal successors, (482), 4 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:23,490 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:41:23,491 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] [2023-11-30 06:41:23,491 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 06:41:23,491 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-30 06:41:23,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:41:23,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1621912669, now seen corresponding path program 1 times [2023-11-30 06:41:23,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:41:23,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816933762] [2023-11-30 06:41:23,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:41:23,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:41:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:41:23,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 06:41:23,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:41:23,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816933762] [2023-11-30 06:41:23,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816933762] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:41:23,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:41:23,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 06:41:23,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389075237] [2023-11-30 06:41:23,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:41:23,657 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 06:41:23,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:41:23,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 06:41:23,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-30 06:41:23,662 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 146 [2023-11-30 06:41:23,663 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 145 transitions, 439 flow. Second operand has 4 states, 4 states have (on average 120.5) internal successors, (482), 4 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:23,666 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:41:23,666 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 146 [2023-11-30 06:41:23,667 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:41:23,932 INFO L124 PetriNetUnfolderBase]: 702/2346 cut-off events. [2023-11-30 06:41:23,932 INFO L125 PetriNetUnfolderBase]: For 642/2226 co-relation queries the response was YES. [2023-11-30 06:41:23,939 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5594 conditions, 2346 events. 702/2346 cut-off events. For 642/2226 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 19360 event pairs, 112 based on Foata normal form. 18/2104 useless extension candidates. Maximal degree in co-relation 5534. Up to 954 conditions per place. [2023-11-30 06:41:23,950 INFO L140 encePairwiseOnDemand]: 137/146 looper letters, 35 selfloop transitions, 9 changer transitions 0/157 dead transitions. [2023-11-30 06:41:23,950 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 157 transitions, 605 flow [2023-11-30 06:41:23,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 06:41:23,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 06:41:23,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 524 transitions. [2023-11-30 06:41:23,951 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8972602739726028 [2023-11-30 06:41:23,952 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 524 transitions. [2023-11-30 06:41:23,952 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 524 transitions. [2023-11-30 06:41:23,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:41:23,952 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 524 transitions. [2023-11-30 06:41:23,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 131.0) internal successors, (524), 4 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:23,954 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 146.0) internal successors, (730), 5 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:23,954 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 146.0) internal successors, (730), 5 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:23,955 INFO L307 CegarLoopForPetriNet]: 152 programPoint places, 1 predicate places. [2023-11-30 06:41:23,955 INFO L500 AbstractCegarLoop]: Abstraction has has 153 places, 157 transitions, 605 flow [2023-11-30 06:41:23,955 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 120.5) internal successors, (482), 4 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:23,955 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:41:23,956 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] [2023-11-30 06:41:23,956 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 06:41:23,956 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-30 06:41:23,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:41:23,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1673512040, now seen corresponding path program 1 times [2023-11-30 06:41:23,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:41:23,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315805718] [2023-11-30 06:41:23,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:41:23,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:41:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:41:24,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 06:41:24,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:41:24,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315805718] [2023-11-30 06:41:24,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315805718] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:41:24,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:41:24,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-30 06:41:24,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105719679] [2023-11-30 06:41:24,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:41:24,124 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-30 06:41:24,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:41:24,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-30 06:41:24,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-30 06:41:24,125 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 146 [2023-11-30 06:41:24,125 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 157 transitions, 605 flow. Second operand has 5 states, 5 states have (on average 121.0) internal successors, (605), 5 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:24,125 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:41:24,126 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 146 [2023-11-30 06:41:24,126 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:41:24,473 INFO L124 PetriNetUnfolderBase]: 549/2082 cut-off events. [2023-11-30 06:41:24,473 INFO L125 PetriNetUnfolderBase]: For 1056/2104 co-relation queries the response was YES. [2023-11-30 06:41:24,480 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5397 conditions, 2082 events. 549/2082 cut-off events. For 1056/2104 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 16891 event pairs, 79 based on Foata normal form. 77/2046 useless extension candidates. Maximal degree in co-relation 5334. Up to 708 conditions per place. [2023-11-30 06:41:24,489 INFO L140 encePairwiseOnDemand]: 137/146 looper letters, 38 selfloop transitions, 13 changer transitions 4/168 dead transitions. [2023-11-30 06:41:24,489 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 168 transitions, 806 flow [2023-11-30 06:41:24,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 06:41:24,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 06:41:24,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 654 transitions. [2023-11-30 06:41:24,491 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8958904109589041 [2023-11-30 06:41:24,491 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 654 transitions. [2023-11-30 06:41:24,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 654 transitions. [2023-11-30 06:41:24,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:41:24,492 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 654 transitions. [2023-11-30 06:41:24,493 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 130.8) internal successors, (654), 5 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:24,494 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 146.0) internal successors, (876), 6 states have internal predecessors, (876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:24,494 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 146.0) internal successors, (876), 6 states have internal predecessors, (876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:24,495 INFO L307 CegarLoopForPetriNet]: 152 programPoint places, 5 predicate places. [2023-11-30 06:41:24,495 INFO L500 AbstractCegarLoop]: Abstraction has has 157 places, 168 transitions, 806 flow [2023-11-30 06:41:24,495 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 121.0) internal successors, (605), 5 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:24,495 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:41:24,495 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 06:41:24,495 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 06:41:24,496 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-30 06:41:24,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:41:24,496 INFO L85 PathProgramCache]: Analyzing trace with hash 382172918, now seen corresponding path program 1 times [2023-11-30 06:41:24,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:41:24,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335347484] [2023-11-30 06:41:24,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:41:24,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:41:24,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:41:24,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 06:41:24,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:41:24,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335347484] [2023-11-30 06:41:24,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335347484] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:41:24,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:41:24,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 06:41:24,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528040801] [2023-11-30 06:41:24,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:41:24,657 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 06:41:24,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:41:24,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 06:41:24,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 06:41:24,659 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 146 [2023-11-30 06:41:24,659 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 168 transitions, 806 flow. Second operand has 6 states, 6 states have (on average 121.16666666666667) internal successors, (727), 6 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:24,659 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:41:24,659 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 146 [2023-11-30 06:41:24,659 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:41:24,953 INFO L124 PetriNetUnfolderBase]: 541/1736 cut-off events. [2023-11-30 06:41:24,953 INFO L125 PetriNetUnfolderBase]: For 1707/2995 co-relation queries the response was YES. [2023-11-30 06:41:24,958 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5762 conditions, 1736 events. 541/1736 cut-off events. For 1707/2995 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 12738 event pairs, 132 based on Foata normal form. 78/1730 useless extension candidates. Maximal degree in co-relation 5696. Up to 688 conditions per place. [2023-11-30 06:41:24,960 INFO L140 encePairwiseOnDemand]: 137/146 looper letters, 0 selfloop transitions, 0 changer transitions 166/166 dead transitions. [2023-11-30 06:41:24,960 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 166 transitions, 892 flow [2023-11-30 06:41:24,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 06:41:24,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 06:41:24,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 771 transitions. [2023-11-30 06:41:24,962 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8801369863013698 [2023-11-30 06:41:24,962 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 771 transitions. [2023-11-30 06:41:24,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 771 transitions. [2023-11-30 06:41:24,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:41:24,962 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 771 transitions. [2023-11-30 06:41:24,965 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 128.5) internal successors, (771), 6 states have internal predecessors, (771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:24,966 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 146.0) internal successors, (1022), 7 states have internal predecessors, (1022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:24,967 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 146.0) internal successors, (1022), 7 states have internal predecessors, (1022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:24,968 INFO L307 CegarLoopForPetriNet]: 152 programPoint places, 6 predicate places. [2023-11-30 06:41:24,968 INFO L500 AbstractCegarLoop]: Abstraction has has 158 places, 166 transitions, 892 flow [2023-11-30 06:41:24,969 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 121.16666666666667) internal successors, (727), 6 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:24,975 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mix023_power.opt_pso.opt_rmo.opt.i_BEv2_AllErrorsAtOnce [2023-11-30 06:41:25,003 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2023-11-30 06:41:25,003 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2023-11-30 06:41:25,003 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2023-11-30 06:41:25,003 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2023-11-30 06:41:25,003 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2023-11-30 06:41:25,004 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2023-11-30 06:41:25,006 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2023-11-30 06:41:25,006 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2023-11-30 06:41:25,007 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2023-11-30 06:41:25,007 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2023-11-30 06:41:25,008 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2023-11-30 06:41:25,010 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2023-11-30 06:41:25,010 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2023-11-30 06:41:25,010 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2023-11-30 06:41:25,010 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2023-11-30 06:41:25,010 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2023-11-30 06:41:25,011 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2023-11-30 06:41:25,011 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2023-11-30 06:41:25,011 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2023-11-30 06:41:25,011 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2023-11-30 06:41:25,011 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 06:41:25,012 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-30 06:41:25,017 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 06:41:25,017 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 06:41:25,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 06:41:25 BasicIcfg [2023-11-30 06:41:25,023 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 06:41:25,025 INFO L158 Benchmark]: Toolchain (without parser) took 4566.19ms. Allocated memory was 419.4MB in the beginning and 987.8MB in the end (delta: 568.3MB). Free memory was 377.3MB in the beginning and 770.4MB in the end (delta: -393.2MB). Peak memory consumption was 341.5MB. Max. memory is 16.0GB. [2023-11-30 06:41:25,029 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 316.7MB. Free memory was 264.4MB in the beginning and 264.3MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 06:41:25,029 INFO L158 Benchmark]: CACSL2BoogieTranslator took 385.18ms. Allocated memory is still 419.4MB. Free memory was 376.9MB in the beginning and 353.3MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. [2023-11-30 06:41:25,030 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.44ms. Allocated memory is still 419.4MB. Free memory was 353.3MB in the beginning and 350.9MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-11-30 06:41:25,030 INFO L158 Benchmark]: Boogie Preprocessor took 36.24ms. Allocated memory is still 419.4MB. Free memory was 350.9MB in the beginning and 348.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 06:41:25,030 INFO L158 Benchmark]: RCFGBuilder took 501.97ms. Allocated memory is still 419.4MB. Free memory was 348.8MB in the beginning and 386.6MB in the end (delta: -37.8MB). Peak memory consumption was 47.1MB. Max. memory is 16.0GB. [2023-11-30 06:41:25,031 INFO L158 Benchmark]: TraceAbstraction took 3571.34ms. Allocated memory was 419.4MB in the beginning and 987.8MB in the end (delta: 568.3MB). Free memory was 386.4MB in the beginning and 770.4MB in the end (delta: -384.0MB). Peak memory consumption was 348.9MB. Max. memory is 16.0GB. [2023-11-30 06:41:25,032 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 316.7MB. Free memory was 264.4MB in the beginning and 264.3MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 385.18ms. Allocated memory is still 419.4MB. Free memory was 376.9MB in the beginning and 353.3MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 65.44ms. Allocated memory is still 419.4MB. Free memory was 353.3MB in the beginning and 350.9MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 36.24ms. Allocated memory is still 419.4MB. Free memory was 350.9MB in the beginning and 348.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 501.97ms. Allocated memory is still 419.4MB. Free memory was 348.8MB in the beginning and 386.6MB in the end (delta: -37.8MB). Peak memory consumption was 47.1MB. Max. memory is 16.0GB. * TraceAbstraction took 3571.34ms. Allocated memory was 419.4MB in the beginning and 987.8MB in the end (delta: 568.3MB). Free memory was 386.4MB in the beginning and 770.4MB in the end (delta: -384.0MB). Peak memory consumption was 348.9MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 760]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 760]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 791]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 791]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 821]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 821]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 844]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 844]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 190 locations, 20 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 112 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 112 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 271 IncrementalHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 5 mSDtfsCounter, 271 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=892occurred 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, 0.7s InterpolantComputationTime, 334 NumberOfCodeBlocks, 334 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 329 ConstructedInterpolants, 0 QuantifiedInterpolants, 927 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 06:41:25,048 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...