/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/mix033_power.oepc_pso.oepc_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 06:41:53,211 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 06:41:53,287 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 06:41:53,307 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 06:41:53,307 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 06:41:53,308 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 06:41:53,308 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 06:41:53,309 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 06:41:53,309 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 06:41:53,309 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 06:41:53,310 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 06:41:53,310 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 06:41:53,310 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 06:41:53,311 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 06:41:53,311 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 06:41:53,311 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 06:41:53,312 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 06:41:53,312 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 06:41:53,312 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 06:41:53,313 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 06:41:53,313 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 06:41:53,314 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 06:41:53,314 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 06:41:53,314 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 06:41:53,315 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 06:41:53,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 06:41:53,315 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 06:41:53,316 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 06:41:53,316 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 06:41:53,316 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 06:41:53,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 06:41:53,317 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 06:41:53,317 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 06:41:53,318 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-11-30 06:41:53,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 06:41:53,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 06:41:53,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 06:41:53,520 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 06:41:53,521 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 06:41:53,522 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix033_power.oepc_pso.oepc_rmo.oepc.i [2023-11-30 06:41:54,752 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 06:41:54,997 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 06:41:54,998 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix033_power.oepc_pso.oepc_rmo.oepc.i [2023-11-30 06:41:55,017 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5408a0f9/55101a503493493191df37d04cab6064/FLAG8fccbf822 [2023-11-30 06:41:55,031 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5408a0f9/55101a503493493191df37d04cab6064 [2023-11-30 06:41:55,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 06:41:55,034 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 06:41:55,035 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 06:41:55,035 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 06:41:55,044 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 06:41:55,044 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:41:55" (1/1) ... [2023-11-30 06:41:55,045 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@493de314 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:55, skipping insertion in model container [2023-11-30 06:41:55,045 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:41:55" (1/1) ... [2023-11-30 06:41:55,112 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 06:41:55,488 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 06:41:55,499 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 06:41:55,572 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 06:41:55,602 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 06:41:55,602 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 06:41:55,608 INFO L206 MainTranslator]: Completed translation [2023-11-30 06:41:55,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:55 WrapperNode [2023-11-30 06:41:55,611 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 06:41:55,612 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 06:41:55,612 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 06:41:55,613 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 06:41:55,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:55" (1/1) ... [2023-11-30 06:41:55,639 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:55" (1/1) ... [2023-11-30 06:41:55,665 INFO L138 Inliner]: procedures = 176, calls = 63, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 139 [2023-11-30 06:41:55,666 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 06:41:55,666 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 06:41:55,667 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 06:41:55,667 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 06:41:55,674 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:55" (1/1) ... [2023-11-30 06:41:55,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:55" (1/1) ... [2023-11-30 06:41:55,677 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:55" (1/1) ... [2023-11-30 06:41:55,677 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:55" (1/1) ... [2023-11-30 06:41:55,689 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:55" (1/1) ... [2023-11-30 06:41:55,691 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:55" (1/1) ... [2023-11-30 06:41:55,693 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:55" (1/1) ... [2023-11-30 06:41:55,694 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:55" (1/1) ... [2023-11-30 06:41:55,698 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 06:41:55,699 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 06:41:55,699 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 06:41:55,699 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 06:41:55,699 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:55" (1/1) ... [2023-11-30 06:41:55,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 06:41:55,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 06:41:55,723 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 06:41:55,725 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 06:41:55,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 06:41:55,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-30 06:41:55,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 06:41:55,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 06:41:55,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 06:41:55,746 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-30 06:41:55,747 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-30 06:41:55,748 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-30 06:41:55,748 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-30 06:41:55,748 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-30 06:41:55,748 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-30 06:41:55,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 06:41:55,748 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-30 06:41:55,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 06:41:55,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 06:41:55,749 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 06:41:55,860 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 06:41:55,861 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 06:41:56,169 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 06:41:56,316 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 06:41:56,317 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 06:41:56,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:41:56 BoogieIcfgContainer [2023-11-30 06:41:56,319 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 06:41:56,322 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 06:41:56,322 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 06:41:56,324 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 06:41:56,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 06:41:55" (1/3) ... [2023-11-30 06:41:56,325 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2635743b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:41:56, skipping insertion in model container [2023-11-30 06:41:56,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:55" (2/3) ... [2023-11-30 06:41:56,326 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2635743b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:41:56, skipping insertion in model container [2023-11-30 06:41:56,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:41:56" (3/3) ... [2023-11-30 06:41:56,327 INFO L112 eAbstractionObserver]: Analyzing ICFG mix033_power.oepc_pso.oepc_rmo.oepc.i [2023-11-30 06:41:56,339 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 06:41:56,339 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-30 06:41:56,340 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 06:41:56,397 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-30 06:41:56,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 135 places, 128 transitions, 268 flow [2023-11-30 06:41:56,510 INFO L124 PetriNetUnfolderBase]: 3/125 cut-off events. [2023-11-30 06:41:56,511 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 06:41:56,516 INFO L83 FinitePrefix]: Finished finitePrefix Result has 135 conditions, 125 events. 3/125 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 94 event pairs, 0 based on Foata normal form. 0/116 useless extension candidates. Maximal degree in co-relation 86. Up to 2 conditions per place. [2023-11-30 06:41:56,517 INFO L82 GeneralOperation]: Start removeDead. Operand has 135 places, 128 transitions, 268 flow [2023-11-30 06:41:56,524 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 132 places, 125 transitions, 259 flow [2023-11-30 06:41:56,531 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 06:41:56,537 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;@ab37d09, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 06:41:56,537 INFO L363 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2023-11-30 06:41:56,547 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 06:41:56,547 INFO L124 PetriNetUnfolderBase]: 0/51 cut-off events. [2023-11-30 06:41:56,548 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 06:41:56,548 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:41:56,548 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] [2023-11-30 06:41:56,549 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-30 06:41:56,553 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:41:56,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1246052178, now seen corresponding path program 1 times [2023-11-30 06:41:56,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:41:56,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447038216] [2023-11-30 06:41:56,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:41:56,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:41:56,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:41:56,954 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 06:41:56,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:41:56,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447038216] [2023-11-30 06:41:56,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447038216] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:41:56,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:41:56,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 06:41:56,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857899658] [2023-11-30 06:41:56,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:41:56,967 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 06:41:56,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:41:56,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 06:41:56,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 06:41:56,993 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 128 [2023-11-30 06:41:56,997 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 125 transitions, 259 flow. Second operand has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 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 06:41:56,997 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:41:56,997 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 128 [2023-11-30 06:41:56,998 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:41:57,623 INFO L124 PetriNetUnfolderBase]: 521/1315 cut-off events. [2023-11-30 06:41:57,623 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2023-11-30 06:41:57,633 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2198 conditions, 1315 events. 521/1315 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 9022 event pairs, 148 based on Foata normal form. 79/1107 useless extension candidates. Maximal degree in co-relation 2146. Up to 682 conditions per place. [2023-11-30 06:41:57,643 INFO L140 encePairwiseOnDemand]: 115/128 looper letters, 28 selfloop transitions, 4 changer transitions 0/131 dead transitions. [2023-11-30 06:41:57,643 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 131 transitions, 341 flow [2023-11-30 06:41:57,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 06:41:57,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 06:41:57,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 356 transitions. [2023-11-30 06:41:57,659 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9270833333333334 [2023-11-30 06:41:57,660 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 356 transitions. [2023-11-30 06:41:57,660 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 356 transitions. [2023-11-30 06:41:57,663 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:41:57,665 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 356 transitions. [2023-11-30 06:41:57,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 118.66666666666667) internal successors, (356), 3 states have internal predecessors, (356), 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 06:41:57,673 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 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 06:41:57,673 INFO L81 ComplementDD]: Finished complementDD. Result has 4 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 06:41:57,678 INFO L307 CegarLoopForPetriNet]: 132 programPoint places, -1 predicate places. [2023-11-30 06:41:57,679 INFO L500 AbstractCegarLoop]: Abstraction has has 131 places, 131 transitions, 341 flow [2023-11-30 06:41:57,679 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 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 06:41:57,679 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:41:57,679 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 06:41:57,679 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 06:41:57,680 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-30 06:41:57,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:41:57,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1638797399, now seen corresponding path program 1 times [2023-11-30 06:41:57,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:41:57,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939800918] [2023-11-30 06:41:57,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:41:57,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:41:57,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:41:57,865 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 06:41:57,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:41:57,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939800918] [2023-11-30 06:41:57,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939800918] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:41:57,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:41:57,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 06:41:57,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000265703] [2023-11-30 06:41:57,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:41:57,868 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 06:41:57,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:41:57,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 06:41:57,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 06:41:57,871 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 128 [2023-11-30 06:41:57,872 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 131 transitions, 341 flow. Second operand has 4 states, 4 states have (on average 106.0) internal successors, (424), 4 states have internal predecessors, (424), 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 06:41:57,872 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:41:57,872 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 128 [2023-11-30 06:41:57,872 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:41:58,147 INFO L124 PetriNetUnfolderBase]: 388/1186 cut-off events. [2023-11-30 06:41:58,148 INFO L125 PetriNetUnfolderBase]: For 121/541 co-relation queries the response was YES. [2023-11-30 06:41:58,151 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2464 conditions, 1186 events. 388/1186 cut-off events. For 121/541 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 7815 event pairs, 177 based on Foata normal form. 14/1044 useless extension candidates. Maximal degree in co-relation 2409. Up to 463 conditions per place. [2023-11-30 06:41:58,159 INFO L140 encePairwiseOnDemand]: 121/128 looper letters, 25 selfloop transitions, 4 changer transitions 0/128 dead transitions. [2023-11-30 06:41:58,159 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 128 transitions, 387 flow [2023-11-30 06:41:58,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 06:41:58,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 06:41:58,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 448 transitions. [2023-11-30 06:41:58,162 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.875 [2023-11-30 06:41:58,162 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 448 transitions. [2023-11-30 06:41:58,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 448 transitions. [2023-11-30 06:41:58,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:41:58,162 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 448 transitions. [2023-11-30 06:41:58,163 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 112.0) internal successors, (448), 4 states have internal predecessors, (448), 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 06:41:58,166 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 128.0) internal successors, (640), 5 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:58,166 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 128.0) internal successors, (640), 5 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:58,167 INFO L307 CegarLoopForPetriNet]: 132 programPoint places, -1 predicate places. [2023-11-30 06:41:58,167 INFO L500 AbstractCegarLoop]: Abstraction has has 131 places, 128 transitions, 387 flow [2023-11-30 06:41:58,168 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 106.0) internal successors, (424), 4 states have internal predecessors, (424), 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 06:41:58,168 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:41:58,168 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 06:41:58,168 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 06:41:58,168 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-30 06:41:58,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:41:58,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1521531612, now seen corresponding path program 1 times [2023-11-30 06:41:58,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:41:58,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241855555] [2023-11-30 06:41:58,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:41:58,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:41:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:41:58,329 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 06:41:58,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:41:58,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241855555] [2023-11-30 06:41:58,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241855555] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:41:58,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:41:58,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 06:41:58,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100745529] [2023-11-30 06:41:58,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:41:58,333 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 06:41:58,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:41:58,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 06:41:58,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-30 06:41:58,338 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 128 [2023-11-30 06:41:58,340 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 128 transitions, 387 flow. Second operand has 4 states, 4 states have (on average 106.0) internal successors, (424), 4 states have internal predecessors, (424), 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 06:41:58,340 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:41:58,340 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 128 [2023-11-30 06:41:58,344 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:41:58,585 INFO L124 PetriNetUnfolderBase]: 291/916 cut-off events. [2023-11-30 06:41:58,586 INFO L125 PetriNetUnfolderBase]: For 251/881 co-relation queries the response was YES. [2023-11-30 06:41:58,588 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2340 conditions, 916 events. 291/916 cut-off events. For 251/881 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 5830 event pairs, 91 based on Foata normal form. 24/881 useless extension candidates. Maximal degree in co-relation 2282. Up to 307 conditions per place. [2023-11-30 06:41:58,594 INFO L140 encePairwiseOnDemand]: 121/128 looper letters, 30 selfloop transitions, 7 changer transitions 3/139 dead transitions. [2023-11-30 06:41:58,594 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 139 transitions, 536 flow [2023-11-30 06:41:58,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 06:41:58,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 06:41:58,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 459 transitions. [2023-11-30 06:41:58,596 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.896484375 [2023-11-30 06:41:58,596 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 459 transitions. [2023-11-30 06:41:58,596 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 459 transitions. [2023-11-30 06:41:58,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:41:58,596 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 459 transitions. [2023-11-30 06:41:58,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 114.75) internal successors, (459), 4 states have internal predecessors, (459), 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 06:41:58,599 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 128.0) internal successors, (640), 5 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:58,599 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 128.0) internal successors, (640), 5 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:58,600 INFO L307 CegarLoopForPetriNet]: 132 programPoint places, 2 predicate places. [2023-11-30 06:41:58,600 INFO L500 AbstractCegarLoop]: Abstraction has has 134 places, 139 transitions, 536 flow [2023-11-30 06:41:58,600 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 106.0) internal successors, (424), 4 states have internal predecessors, (424), 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 06:41:58,600 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:41:58,601 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] [2023-11-30 06:41:58,601 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 06:41:58,601 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-30 06:41:58,601 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:41:58,601 INFO L85 PathProgramCache]: Analyzing trace with hash -776801770, now seen corresponding path program 1 times [2023-11-30 06:41:58,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:41:58,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492533534] [2023-11-30 06:41:58,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:41:58,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:41:58,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:41:58,774 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 06:41:58,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:41:58,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492533534] [2023-11-30 06:41:58,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492533534] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:41:58,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:41:58,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-30 06:41:58,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257323350] [2023-11-30 06:41:58,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:41:58,776 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-30 06:41:58,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:41:58,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-30 06:41:58,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-30 06:41:58,781 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 128 [2023-11-30 06:41:58,782 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 139 transitions, 536 flow. Second operand has 5 states, 5 states have (on average 106.4) internal successors, (532), 5 states have internal predecessors, (532), 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 06:41:58,782 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:41:58,782 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 128 [2023-11-30 06:41:58,782 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:41:58,984 INFO L124 PetriNetUnfolderBase]: 285/1058 cut-off events. [2023-11-30 06:41:58,984 INFO L125 PetriNetUnfolderBase]: For 518/872 co-relation queries the response was YES. [2023-11-30 06:41:58,987 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2884 conditions, 1058 events. 285/1058 cut-off events. For 518/872 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 6935 event pairs, 120 based on Foata normal form. 17/1012 useless extension candidates. Maximal degree in co-relation 2823. Up to 292 conditions per place. [2023-11-30 06:41:58,989 INFO L140 encePairwiseOnDemand]: 121/128 looper letters, 0 selfloop transitions, 0 changer transitions 138/138 dead transitions. [2023-11-30 06:41:58,989 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 138 transitions, 606 flow [2023-11-30 06:41:58,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 06:41:58,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 06:41:58,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 562 transitions. [2023-11-30 06:41:58,991 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.878125 [2023-11-30 06:41:58,991 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 562 transitions. [2023-11-30 06:41:58,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 562 transitions. [2023-11-30 06:41:58,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:41:58,992 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 562 transitions. [2023-11-30 06:41:58,994 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 112.4) internal successors, (562), 5 states have internal predecessors, (562), 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 06:41:58,995 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 128.0) internal successors, (768), 6 states have internal predecessors, (768), 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 06:41:58,995 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 128.0) internal successors, (768), 6 states have internal predecessors, (768), 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 06:41:58,997 INFO L307 CegarLoopForPetriNet]: 132 programPoint places, 3 predicate places. [2023-11-30 06:41:58,997 INFO L500 AbstractCegarLoop]: Abstraction has has 135 places, 138 transitions, 606 flow [2023-11-30 06:41:58,997 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 106.4) internal successors, (532), 5 states have internal predecessors, (532), 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 06:41:59,005 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mix033_power.oepc_pso.oepc_rmo.oepc.i_BEv2_AllErrorsAtOnce [2023-11-30 06:41:59,032 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2023-11-30 06:41:59,032 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2023-11-30 06:41:59,033 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2023-11-30 06:41:59,033 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2023-11-30 06:41:59,033 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2023-11-30 06:41:59,033 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2023-11-30 06:41:59,033 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2023-11-30 06:41:59,033 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2023-11-30 06:41:59,033 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2023-11-30 06:41:59,034 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2023-11-30 06:41:59,034 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2023-11-30 06:41:59,034 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2023-11-30 06:41:59,034 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2023-11-30 06:41:59,034 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2023-11-30 06:41:59,034 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2023-11-30 06:41:59,034 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 06:41:59,035 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-30 06:41:59,044 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 06:41:59,044 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 06:41:59,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 06:41:59 BasicIcfg [2023-11-30 06:41:59,055 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 06:41:59,056 INFO L158 Benchmark]: Toolchain (without parser) took 4022.03ms. Allocated memory was 364.9MB in the beginning and 484.4MB in the end (delta: 119.5MB). Free memory was 313.0MB in the beginning and 299.7MB in the end (delta: 13.3MB). Peak memory consumption was 134.3MB. Max. memory is 16.0GB. [2023-11-30 06:41:59,056 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 364.9MB. Free memory is still 318.0MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 06:41:59,056 INFO L158 Benchmark]: CACSL2BoogieTranslator took 575.99ms. Allocated memory is still 364.9MB. Free memory was 313.0MB in the beginning and 289.1MB in the end (delta: 23.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. [2023-11-30 06:41:59,057 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.65ms. Allocated memory is still 364.9MB. Free memory was 289.1MB in the beginning and 286.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 06:41:59,061 INFO L158 Benchmark]: Boogie Preprocessor took 31.46ms. Allocated memory is still 364.9MB. Free memory was 286.4MB in the beginning and 284.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 06:41:59,061 INFO L158 Benchmark]: RCFGBuilder took 620.85ms. Allocated memory was 364.9MB in the beginning and 484.4MB in the end (delta: 119.5MB). Free memory was 284.7MB in the beginning and 420.4MB in the end (delta: -135.7MB). Peak memory consumption was 18.0MB. Max. memory is 16.0GB. [2023-11-30 06:41:59,061 INFO L158 Benchmark]: TraceAbstraction took 2733.90ms. Allocated memory is still 484.4MB. Free memory was 419.6MB in the beginning and 299.7MB in the end (delta: 120.0MB). Peak memory consumption was 120.4MB. Max. memory is 16.0GB. [2023-11-30 06:41:59,063 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 364.9MB. Free memory is still 318.0MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 575.99ms. Allocated memory is still 364.9MB. Free memory was 313.0MB in the beginning and 289.1MB in the end (delta: 23.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 53.65ms. Allocated memory is still 364.9MB. Free memory was 289.1MB in the beginning and 286.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 31.46ms. Allocated memory is still 364.9MB. Free memory was 286.4MB in the beginning and 284.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 620.85ms. Allocated memory was 364.9MB in the beginning and 484.4MB in the end (delta: 119.5MB). Free memory was 284.7MB in the beginning and 420.4MB in the end (delta: -135.7MB). Peak memory consumption was 18.0MB. Max. memory is 16.0GB. * TraceAbstraction took 2733.90ms. Allocated memory is still 484.4MB. Free memory was 419.6MB in the beginning and 299.7MB in the end (delta: 120.0MB). Peak memory consumption was 120.4MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 799]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 799]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 838]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 838]: 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 7 procedures, 163 locations, 15 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: 2.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 66 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 66 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 182 IncrementalHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 4 mSDtfsCounter, 182 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=606occurred in iteration=4, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 248 NumberOfCodeBlocks, 248 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 244 ConstructedInterpolants, 0 QuantifiedInterpolants, 684 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 06:41:59,082 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...