/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/safe010_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 06:44:19,646 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 06:44:19,735 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 06:44:19,766 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 06:44:19,767 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 06:44:19,767 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 06:44:19,768 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 06:44:19,768 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 06:44:19,768 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 06:44:19,772 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 06:44:19,772 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 06:44:19,772 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 06:44:19,773 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 06:44:19,774 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 06:44:19,774 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 06:44:19,774 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 06:44:19,774 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 06:44:19,775 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 06:44:19,775 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 06:44:19,775 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 06:44:19,775 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 06:44:19,776 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 06:44:19,776 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 06:44:19,776 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 06:44:19,777 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 06:44:19,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 06:44:19,778 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 06:44:19,778 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 06:44:19,778 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 06:44:19,779 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 06:44:19,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 06:44:19,780 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 06:44:19,780 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 06:44:19,780 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-11-30 06:44:20,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 06:44:20,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 06:44:20,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 06:44:20,049 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 06:44:20,049 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 06:44:20,050 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe010_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2023-11-30 06:44:21,162 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 06:44:21,368 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 06:44:21,369 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe010_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2023-11-30 06:44:21,381 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df2a4f7b8/c5cddc8b500548ae960814ff585bea5c/FLAGb81b3b011 [2023-11-30 06:44:21,392 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df2a4f7b8/c5cddc8b500548ae960814ff585bea5c [2023-11-30 06:44:21,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 06:44:21,395 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 06:44:21,398 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 06:44:21,398 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 06:44:21,402 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 06:44:21,403 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:44:21" (1/1) ... [2023-11-30 06:44:21,404 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f00d2e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:44:21, skipping insertion in model container [2023-11-30 06:44:21,405 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:44:21" (1/1) ... [2023-11-30 06:44:21,450 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 06:44:21,786 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 06:44:21,806 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 06:44:21,856 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 06:44:21,887 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 06:44:21,887 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 06:44:21,894 INFO L206 MainTranslator]: Completed translation [2023-11-30 06:44:21,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:44:21 WrapperNode [2023-11-30 06:44:21,894 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 06:44:21,895 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 06:44:21,895 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 06:44:21,895 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 06:44:21,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:44:21" (1/1) ... [2023-11-30 06:44:21,913 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:44:21" (1/1) ... [2023-11-30 06:44:21,942 INFO L138 Inliner]: procedures = 175, calls = 42, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 136 [2023-11-30 06:44:21,943 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 06:44:21,943 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 06:44:21,943 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 06:44:21,943 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 06:44:21,958 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:44:21" (1/1) ... [2023-11-30 06:44:21,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:44:21" (1/1) ... [2023-11-30 06:44:21,965 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:44:21" (1/1) ... [2023-11-30 06:44:21,965 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:44:21" (1/1) ... [2023-11-30 06:44:21,976 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:44:21" (1/1) ... [2023-11-30 06:44:21,978 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:44:21" (1/1) ... [2023-11-30 06:44:21,980 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:44:21" (1/1) ... [2023-11-30 06:44:21,981 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:44:21" (1/1) ... [2023-11-30 06:44:21,984 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 06:44:21,984 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 06:44:21,985 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 06:44:21,985 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 06:44:21,985 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:44:21" (1/1) ... [2023-11-30 06:44:22,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 06:44:22,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 06:44:22,030 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-30 06:44:22,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-30 06:44:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 06:44:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-30 06:44:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 06:44:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 06:44:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 06:44:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-30 06:44:22,060 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-30 06:44:22,060 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-30 06:44:22,060 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-30 06:44:22,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 06:44:22,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-30 06:44:22,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 06:44:22,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 06:44:22,062 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-30 06:44:22,175 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 06:44:22,177 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 06:44:22,547 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 06:44:22,626 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 06:44:22,626 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 06:44:22,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:44:22 BoogieIcfgContainer [2023-11-30 06:44:22,627 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 06:44:22,629 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 06:44:22,629 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 06:44:22,632 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 06:44:22,632 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 06:44:21" (1/3) ... [2023-11-30 06:44:22,632 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f970dbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:44:22, skipping insertion in model container [2023-11-30 06:44:22,632 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:44:21" (2/3) ... [2023-11-30 06:44:22,633 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f970dbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:44:22, skipping insertion in model container [2023-11-30 06:44:22,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:44:22" (3/3) ... [2023-11-30 06:44:22,634 INFO L112 eAbstractionObserver]: Analyzing ICFG safe010_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2023-11-30 06:44:22,649 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 06:44:22,649 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-30 06:44:22,649 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 06:44:22,689 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-30 06:44:22,724 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 101 places, 97 transitions, 202 flow [2023-11-30 06:44:22,758 INFO L124 PetriNetUnfolderBase]: 3/95 cut-off events. [2023-11-30 06:44:22,758 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 06:44:22,762 INFO L83 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 95 events. 3/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 64 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2023-11-30 06:44:22,762 INFO L82 GeneralOperation]: Start removeDead. Operand has 101 places, 97 transitions, 202 flow [2023-11-30 06:44:22,766 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 99 places, 95 transitions, 196 flow [2023-11-30 06:44:22,774 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 06:44:22,779 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;@38d45733, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 06:44:22,780 INFO L363 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-11-30 06:44:22,792 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 06:44:22,792 INFO L124 PetriNetUnfolderBase]: 0/44 cut-off events. [2023-11-30 06:44:22,792 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 06:44:22,792 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:44:22,793 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] [2023-11-30 06:44:22,793 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2023-11-30 06:44:22,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:44:22,798 INFO L85 PathProgramCache]: Analyzing trace with hash -510359177, now seen corresponding path program 1 times [2023-11-30 06:44:22,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:44:22,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757796928] [2023-11-30 06:44:22,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:44:22,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:44:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:44:23,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 06:44:23,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:44:23,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757796928] [2023-11-30 06:44:23,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757796928] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:44:23,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:44:23,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 06:44:23,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367984995] [2023-11-30 06:44:23,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:44:23,143 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 06:44:23,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:44:23,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 06:44:23,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 06:44:23,169 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 97 [2023-11-30 06:44:23,171 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 95 transitions, 196 flow. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:44:23,171 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:44:23,171 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 97 [2023-11-30 06:44:23,172 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:44:23,308 INFO L124 PetriNetUnfolderBase]: 72/371 cut-off events. [2023-11-30 06:44:23,308 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-11-30 06:44:23,310 INFO L83 FinitePrefix]: Finished finitePrefix Result has 526 conditions, 371 events. 72/371 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1823 event pairs, 25 based on Foata normal form. 28/360 useless extension candidates. Maximal degree in co-relation 483. Up to 89 conditions per place. [2023-11-30 06:44:23,313 INFO L140 encePairwiseOnDemand]: 87/97 looper letters, 19 selfloop transitions, 3 changer transitions 2/98 dead transitions. [2023-11-30 06:44:23,313 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 98 transitions, 253 flow [2023-11-30 06:44:23,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 06:44:23,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 06:44:23,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 268 transitions. [2023-11-30 06:44:23,325 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9209621993127147 [2023-11-30 06:44:23,326 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 268 transitions. [2023-11-30 06:44:23,326 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 268 transitions. [2023-11-30 06:44:23,327 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:44:23,331 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 268 transitions. [2023-11-30 06:44:23,334 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:44:23,338 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:44:23,338 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:44:23,341 INFO L307 CegarLoopForPetriNet]: 99 programPoint places, -1 predicate places. [2023-11-30 06:44:23,342 INFO L500 AbstractCegarLoop]: Abstraction has has 98 places, 98 transitions, 253 flow [2023-11-30 06:44:23,342 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:44:23,342 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:44:23,342 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] [2023-11-30 06:44:23,343 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 06:44:23,343 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2023-11-30 06:44:23,344 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:44:23,344 INFO L85 PathProgramCache]: Analyzing trace with hash 290429786, now seen corresponding path program 1 times [2023-11-30 06:44:23,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:44:23,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498096901] [2023-11-30 06:44:23,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:44:23,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:44:23,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:44:23,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 06:44:23,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:44:23,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498096901] [2023-11-30 06:44:23,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498096901] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:44:23,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:44:23,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 06:44:23,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957285219] [2023-11-30 06:44:23,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:44:23,523 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 06:44:23,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:44:23,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 06:44:23,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 06:44:23,525 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 97 [2023-11-30 06:44:23,525 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 98 transitions, 253 flow. Second operand has 4 states, 4 states have (on average 80.0) internal successors, (320), 4 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:44:23,525 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:44:23,525 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 97 [2023-11-30 06:44:23,525 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:44:23,673 INFO L124 PetriNetUnfolderBase]: 66/471 cut-off events. [2023-11-30 06:44:23,674 INFO L125 PetriNetUnfolderBase]: For 41/107 co-relation queries the response was YES. [2023-11-30 06:44:23,676 INFO L83 FinitePrefix]: Finished finitePrefix Result has 740 conditions, 471 events. 66/471 cut-off events. For 41/107 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2611 event pairs, 31 based on Foata normal form. 10/444 useless extension candidates. Maximal degree in co-relation 694. Up to 75 conditions per place. [2023-11-30 06:44:23,678 INFO L140 encePairwiseOnDemand]: 92/97 looper letters, 17 selfloop transitions, 3 changer transitions 2/96 dead transitions. [2023-11-30 06:44:23,678 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 96 transitions, 289 flow [2023-11-30 06:44:23,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 06:44:23,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 06:44:23,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 336 transitions. [2023-11-30 06:44:23,681 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.865979381443299 [2023-11-30 06:44:23,681 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 336 transitions. [2023-11-30 06:44:23,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 336 transitions. [2023-11-30 06:44:23,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:44:23,682 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 336 transitions. [2023-11-30 06:44:23,683 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 84.0) internal successors, (336), 4 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:44:23,684 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 97.0) internal successors, (485), 5 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:44:23,684 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 97.0) internal successors, (485), 5 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:44:23,685 INFO L307 CegarLoopForPetriNet]: 99 programPoint places, 0 predicate places. [2023-11-30 06:44:23,685 INFO L500 AbstractCegarLoop]: Abstraction has has 99 places, 96 transitions, 289 flow [2023-11-30 06:44:23,686 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 80.0) internal successors, (320), 4 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:44:23,686 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:44:23,686 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] [2023-11-30 06:44:23,686 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 06:44:23,686 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2023-11-30 06:44:23,687 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:44:23,687 INFO L85 PathProgramCache]: Analyzing trace with hash 290429787, now seen corresponding path program 1 times [2023-11-30 06:44:23,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:44:23,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151335003] [2023-11-30 06:44:23,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:44:23,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:44:23,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:44:23,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 06:44:23,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:44:23,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151335003] [2023-11-30 06:44:23,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151335003] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:44:23,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:44:23,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 06:44:23,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201893741] [2023-11-30 06:44:23,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:44:23,838 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 06:44:23,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:44:23,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 06:44:23,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-30 06:44:23,839 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 97 [2023-11-30 06:44:23,840 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 96 transitions, 289 flow. Second operand has 4 states, 4 states have (on average 80.0) internal successors, (320), 4 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:44:23,840 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:44:23,840 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 97 [2023-11-30 06:44:23,840 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:44:23,915 INFO L124 PetriNetUnfolderBase]: 60/343 cut-off events. [2023-11-30 06:44:23,915 INFO L125 PetriNetUnfolderBase]: For 102/176 co-relation queries the response was YES. [2023-11-30 06:44:23,916 INFO L83 FinitePrefix]: Finished finitePrefix Result has 698 conditions, 343 events. 60/343 cut-off events. For 102/176 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1593 event pairs, 25 based on Foata normal form. 11/336 useless extension candidates. Maximal degree in co-relation 649. Up to 61 conditions per place. [2023-11-30 06:44:23,917 INFO L140 encePairwiseOnDemand]: 92/97 looper letters, 0 selfloop transitions, 0 changer transitions 97/97 dead transitions. [2023-11-30 06:44:23,917 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 97 transitions, 341 flow [2023-11-30 06:44:23,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 06:44:23,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 06:44:23,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 337 transitions. [2023-11-30 06:44:23,919 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8685567010309279 [2023-11-30 06:44:23,919 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 337 transitions. [2023-11-30 06:44:23,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 337 transitions. [2023-11-30 06:44:23,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:44:23,919 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 337 transitions. [2023-11-30 06:44:23,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 84.25) internal successors, (337), 4 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:44:23,923 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 97.0) internal successors, (485), 5 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:44:23,924 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 97.0) internal successors, (485), 5 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:44:23,925 INFO L307 CegarLoopForPetriNet]: 99 programPoint places, 1 predicate places. [2023-11-30 06:44:23,925 INFO L500 AbstractCegarLoop]: Abstraction has has 100 places, 97 transitions, 341 flow [2023-11-30 06:44:23,925 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 80.0) internal successors, (320), 4 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:44:23,933 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/safe010_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i_BEv2_AllErrorsAtOnce [2023-11-30 06:44:23,956 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2023-11-30 06:44:23,956 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2023-11-30 06:44:23,957 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2023-11-30 06:44:23,957 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2023-11-30 06:44:23,957 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2023-11-30 06:44:23,957 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2023-11-30 06:44:23,957 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2023-11-30 06:44:23,958 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2023-11-30 06:44:23,958 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2023-11-30 06:44:23,958 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2023-11-30 06:44:23,958 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 06:44:23,959 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-30 06:44:23,963 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 06:44:23,963 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 06:44:23,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 06:44:23 BasicIcfg [2023-11-30 06:44:23,968 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 06:44:23,969 INFO L158 Benchmark]: Toolchain (without parser) took 2573.33ms. Allocated memory is still 631.2MB. Free memory was 573.4MB in the beginning and 500.6MB in the end (delta: 72.8MB). Peak memory consumption was 75.7MB. Max. memory is 16.0GB. [2023-11-30 06:44:23,969 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 356.5MB. Free memory is still 303.3MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 06:44:23,970 INFO L158 Benchmark]: CACSL2BoogieTranslator took 496.55ms. Allocated memory is still 631.2MB. Free memory was 573.4MB in the beginning and 550.6MB in the end (delta: 22.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. [2023-11-30 06:44:23,970 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.40ms. Allocated memory is still 631.2MB. Free memory was 550.6MB in the beginning and 548.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 06:44:23,970 INFO L158 Benchmark]: Boogie Preprocessor took 40.75ms. Allocated memory is still 631.2MB. Free memory was 548.0MB in the beginning and 546.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 06:44:23,971 INFO L158 Benchmark]: RCFGBuilder took 642.85ms. Allocated memory is still 631.2MB. Free memory was 546.1MB in the beginning and 569.6MB in the end (delta: -23.5MB). Peak memory consumption was 18.6MB. Max. memory is 16.0GB. [2023-11-30 06:44:23,971 INFO L158 Benchmark]: TraceAbstraction took 1339.50ms. Allocated memory is still 631.2MB. Free memory was 569.3MB in the beginning and 500.6MB in the end (delta: 68.7MB). Peak memory consumption was 69.7MB. Max. memory is 16.0GB. [2023-11-30 06:44:23,973 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 356.5MB. Free memory is still 303.3MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 496.55ms. Allocated memory is still 631.2MB. Free memory was 573.4MB in the beginning and 550.6MB in the end (delta: 22.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 47.40ms. Allocated memory is still 631.2MB. Free memory was 550.6MB in the beginning and 548.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 40.75ms. Allocated memory is still 631.2MB. Free memory was 548.0MB in the beginning and 546.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 642.85ms. Allocated memory is still 631.2MB. Free memory was 546.1MB in the beginning and 569.6MB in the end (delta: -23.5MB). Peak memory consumption was 18.6MB. Max. memory is 16.0GB. * TraceAbstraction took 1339.50ms. Allocated memory is still 631.2MB. Free memory was 569.3MB in the beginning and 500.6MB in the end (delta: 68.7MB). Peak memory consumption was 69.7MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 757]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 757]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 777]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 777]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 117 locations, 10 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 94 IncrementalHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 3 mSDtfsCounter, 94 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=341occurred in iteration=3, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 141 ConstructedInterpolants, 0 QuantifiedInterpolants, 387 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 06:44:23,992 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...