This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-16 11:15:03,029 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-16 11:15:03,080 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-16 11:15:03,084 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-16 11:15:03,084 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-16 11:15:03,104 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-16 11:15:03,105 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-16 11:15:03,105 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-16 11:15:03,106 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-16 11:15:03,106 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-16 11:15:03,106 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-16 11:15:03,107 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-16 11:15:03,107 INFO L153 SettingsManager]: * Use SBE=true [2024-10-16 11:15:03,107 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-16 11:15:03,107 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-16 11:15:03,108 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-16 11:15:03,108 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-16 11:15:03,108 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-16 11:15:03,109 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-16 11:15:03,109 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-16 11:15:03,109 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-16 11:15:03,110 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-16 11:15:03,110 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-16 11:15:03,110 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-16 11:15:03,110 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-16 11:15:03,111 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-16 11:15:03,111 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-16 11:15:03,111 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-16 11:15:03,111 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-16 11:15:03,112 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-16 11:15:03,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-16 11:15:03,112 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-16 11:15:03,113 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-16 11:15:03,113 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-16 11:15:03,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-16 11:15:03,113 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-16 11:15:03,114 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-16 11:15:03,114 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-16 11:15:03,114 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-16 11:15:03,115 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-16 11:15:03,115 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-16 11:15:03,115 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/UGemCutter-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.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c66e95d4d33d89eed9ab2f285249dafeef639a3ca9f6d879b87b944d1b8c0ce Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> COUNTEREXAMPLE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: TraceCheck mode for conditional commutativity -> GENERATOR_WITH_CONTEXT [2024-10-16 11:15:03,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-16 11:15:03,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-16 11:15:03,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-16 11:15:03,408 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-16 11:15:03,408 INFO L274 PluginConnector]: CDTParser initialized [2024-10-16 11:15:03,410 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c [2024-10-16 11:15:04,756 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-16 11:15:04,916 INFO L384 CDTParser]: Found 1 translation units. [2024-10-16 11:15:04,917 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c [2024-10-16 11:15:04,928 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a146c3d8d/c3ec4e19e66e49e6ab32db3092bd1bb3/FLAG2b1725329 [2024-10-16 11:15:04,944 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a146c3d8d/c3ec4e19e66e49e6ab32db3092bd1bb3 [2024-10-16 11:15:04,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-16 11:15:04,947 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-16 11:15:04,949 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-16 11:15:04,949 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-16 11:15:04,953 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-16 11:15:04,953 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:15:04" (1/1) ... [2024-10-16 11:15:04,954 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2226fc48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:15:04, skipping insertion in model container [2024-10-16 11:15:04,954 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:15:04" (1/1) ... [2024-10-16 11:15:04,973 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-16 11:15:05,147 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c[2113,2126] [2024-10-16 11:15:05,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-16 11:15:05,158 INFO L200 MainTranslator]: Completed pre-run [2024-10-16 11:15:05,174 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c[2113,2126] [2024-10-16 11:15:05,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-16 11:15:05,193 INFO L204 MainTranslator]: Completed translation [2024-10-16 11:15:05,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:15:05 WrapperNode [2024-10-16 11:15:05,193 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-16 11:15:05,194 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-16 11:15:05,194 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-16 11:15:05,194 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-16 11:15:05,200 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:15:05" (1/1) ... [2024-10-16 11:15:05,206 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:15:05" (1/1) ... [2024-10-16 11:15:05,221 INFO L138 Inliner]: procedures = 20, calls = 15, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 67 [2024-10-16 11:15:05,222 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-16 11:15:05,223 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-16 11:15:05,223 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-16 11:15:05,223 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-16 11:15:05,230 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:15:05" (1/1) ... [2024-10-16 11:15:05,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:15:05" (1/1) ... [2024-10-16 11:15:05,237 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:15:05" (1/1) ... [2024-10-16 11:15:05,237 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:15:05" (1/1) ... [2024-10-16 11:15:05,240 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:15:05" (1/1) ... [2024-10-16 11:15:05,245 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:15:05" (1/1) ... [2024-10-16 11:15:05,246 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:15:05" (1/1) ... [2024-10-16 11:15:05,251 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:15:05" (1/1) ... [2024-10-16 11:15:05,252 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-16 11:15:05,253 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-16 11:15:05,253 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-16 11:15:05,253 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-16 11:15:05,254 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:15:05" (1/1) ... [2024-10-16 11:15:05,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-16 11:15:05,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 11:15:05,286 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-16 11:15:05,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-16 11:15:05,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-16 11:15:05,325 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-16 11:15:05,325 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-16 11:15:05,325 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-16 11:15:05,326 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-16 11:15:05,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-16 11:15:05,326 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-16 11:15:05,326 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-16 11:15:05,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-16 11:15:05,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-16 11:15:05,327 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-16 11:15:05,406 INFO L238 CfgBuilder]: Building ICFG [2024-10-16 11:15:05,408 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-16 11:15:05,564 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-16 11:15:05,565 INFO L287 CfgBuilder]: Performing block encoding [2024-10-16 11:15:05,698 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-16 11:15:05,699 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-16 11:15:05,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:15:05 BoogieIcfgContainer [2024-10-16 11:15:05,700 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-16 11:15:05,702 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-16 11:15:05,703 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-16 11:15:05,706 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-16 11:15:05,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:15:04" (1/3) ... [2024-10-16 11:15:05,706 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40e43ffe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:15:05, skipping insertion in model container [2024-10-16 11:15:05,707 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:15:05" (2/3) ... [2024-10-16 11:15:05,707 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40e43ffe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:15:05, skipping insertion in model container [2024-10-16 11:15:05,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:15:05" (3/3) ... [2024-10-16 11:15:05,709 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-figure1-alt.wvr.c [2024-10-16 11:15:05,722 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-16 11:15:05,722 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-16 11:15:05,722 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-16 11:15:05,758 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-16 11:15:05,796 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-16 11:15:05,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-16 11:15:05,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 11:15:05,798 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-16 11:15:05,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-16 11:15:05,865 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-16 11:15:05,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 11:15:05,882 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-16 11:15:05,888 INFO L333 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, 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;@5d0c935b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR_WITH_CONTEXT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-16 11:15:05,889 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-16 11:15:06,222 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-16 11:15:06,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 11:15:06,225 INFO L85 PathProgramCache]: Analyzing trace with hash 111739381, now seen corresponding path program 1 times [2024-10-16 11:15:06,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 11:15:06,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988905186] [2024-10-16 11:15:06,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 11:15:06,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 11:15:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 11:15:06,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 11:15:06,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 11:15:06,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988905186] [2024-10-16 11:15:06,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988905186] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 11:15:06,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1348385194] [2024-10-16 11:15:06,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 11:15:06,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 11:15:06,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 11:15:06,861 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 11:15:06,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-16 11:15:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 11:15:06,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-16 11:15:06,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 11:15:07,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 11:15:07,249 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 11:15:07,457 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 11:15:07,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1348385194] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 11:15:07,458 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 11:15:07,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 24 [2024-10-16 11:15:07,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551650077] [2024-10-16 11:15:07,460 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 11:15:07,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-10-16 11:15:07,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 11:15:07,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-16 11:15:07,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=486, Unknown=0, NotChecked=0, Total=600 [2024-10-16 11:15:07,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 11:15:07,483 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 11:15:07,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.72) internal successors, (43), 24 states have internal predecessors, (43), 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) [2024-10-16 11:15:07,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 11:15:08,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-16 11:15:08,320 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-16 11:15:08,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-10-16 11:15:08,506 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-16 11:15:08,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 11:15:08,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1769255705, now seen corresponding path program 1 times [2024-10-16 11:15:08,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 11:15:08,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110270953] [2024-10-16 11:15:08,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 11:15:08,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 11:15:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 11:15:08,862 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 11:15:08,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 11:15:08,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110270953] [2024-10-16 11:15:08,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110270953] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 11:15:08,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883452912] [2024-10-16 11:15:08,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 11:15:08,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 11:15:08,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 11:15:08,865 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 11:15:08,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-16 11:15:08,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 11:15:08,911 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-16 11:15:08,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 11:15:09,243 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 11:15:09,243 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 11:15:09,558 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-16 11:15:09,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [883452912] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 11:15:09,560 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 11:15:09,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 14] total 37 [2024-10-16 11:15:09,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310831931] [2024-10-16 11:15:09,560 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 11:15:09,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-10-16 11:15:09,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 11:15:09,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-10-16 11:15:09,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=1229, Unknown=0, NotChecked=0, Total=1406 [2024-10-16 11:15:09,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 11:15:09,565 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 11:15:09,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 1.5789473684210527) internal successors, (60), 37 states have internal predecessors, (60), 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) [2024-10-16 11:15:09,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-16 11:15:09,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 11:15:10,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-16 11:15:10,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-10-16 11:15:11,008 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-16 11:15:11,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 11:15:11,200 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-16 11:15:11,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 11:15:11,201 INFO L85 PathProgramCache]: Analyzing trace with hash 674039691, now seen corresponding path program 2 times [2024-10-16 11:15:11,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 11:15:11,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917900819] [2024-10-16 11:15:11,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 11:15:11,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 11:15:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 11:15:11,256 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-16 11:15:11,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 11:15:11,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917900819] [2024-10-16 11:15:11,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917900819] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 11:15:11,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 11:15:11,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-16 11:15:11,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423817274] [2024-10-16 11:15:11,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 11:15:11,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-16 11:15:11,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 11:15:11,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-16 11:15:11,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-16 11:15:11,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 11:15:11,258 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 11:15:11,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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) [2024-10-16 11:15:11,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-16 11:15:11,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-10-16 11:15:11,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 11:15:11,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-16 11:15:11,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-10-16 11:15:11,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 11:15:11,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-16 11:15:11,474 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-16 11:15:11,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1808141387, now seen corresponding path program 1 times [2024-10-16 11:15:11,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 11:15:11,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 11:15:11,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 11:15:11,663 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-16 11:15:11,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 11:15:11,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 11:15:11,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 11:15:11,719 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-16 11:15:11,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 11:15:11,720 INFO L85 PathProgramCache]: Analyzing trace with hash 443816707, now seen corresponding path program 3 times [2024-10-16 11:15:11,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 11:15:11,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054138647] [2024-10-16 11:15:11,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 11:15:11,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 11:15:11,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 11:15:12,155 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-16 11:15:12,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 11:15:12,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054138647] [2024-10-16 11:15:12,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054138647] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 11:15:12,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1286040754] [2024-10-16 11:15:12,156 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-16 11:15:12,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 11:15:12,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 11:15:12,158 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 11:15:12,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-16 11:15:12,206 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-10-16 11:15:12,206 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 11:15:12,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-10-16 11:15:12,209 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 11:15:12,922 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 11:15:12,922 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 11:15:13,636 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 1 proven. 58 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-16 11:15:13,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1286040754] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 11:15:13,637 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 11:15:13,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 27, 19] total 60 [2024-10-16 11:15:13,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053080137] [2024-10-16 11:15:13,637 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 11:15:13,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-10-16 11:15:13,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 11:15:13,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-10-16 11:15:13,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=368, Invalid=3292, Unknown=0, NotChecked=0, Total=3660 [2024-10-16 11:15:13,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 11:15:13,643 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 11:15:13,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 1.721311475409836) internal successors, (105), 60 states have internal predecessors, (105), 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) [2024-10-16 11:15:13,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-10-16 11:15:13,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-10-16 11:15:13,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 11:15:13,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 11:15:16,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-16 11:15:16,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-10-16 11:15:16,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 11:15:16,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-10-16 11:15:16,995 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-16 11:15:17,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 11:15:17,187 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-16 11:15:17,248 INFO L85 PathProgramCache]: Analyzing trace with hash 2031808233, now seen corresponding path program 1 times [2024-10-16 11:15:17,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 11:15:17,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 11:15:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 11:15:17,281 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-10-16 11:15:17,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 11:15:17,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 11:15:17,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 11:15:17,307 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-10-16 11:15:17,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-16 11:15:17,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-16 11:15:17,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-16 11:15:17,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 11:15:17,310 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 11:15:17,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-10-16 11:15:17,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-10-16 11:15:17,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-10-16 11:15:17,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 11:15:17,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-10-16 11:15:17,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 11:15:17,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-10-16 11:15:17,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-10-16 11:15:17,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 11:15:17,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-10-16 11:15:17,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 11:15:17,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,SelfDestructingSolverStorable6 [2024-10-16 11:15:17,485 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-16 11:15:17,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 11:15:17,485 INFO L85 PathProgramCache]: Analyzing trace with hash 312367388, now seen corresponding path program 4 times [2024-10-16 11:15:17,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 11:15:17,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167180537] [2024-10-16 11:15:17,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 11:15:17,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 11:15:17,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 11:15:17,862 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-10-16 11:15:17,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 11:15:17,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167180537] [2024-10-16 11:15:17,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167180537] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 11:15:17,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251753725] [2024-10-16 11:15:17,863 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-16 11:15:17,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 11:15:17,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 11:15:17,865 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 11:15:17,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-16 11:15:17,911 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-16 11:15:17,912 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 11:15:17,913 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-10-16 11:15:17,915 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 11:15:18,664 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 127 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 11:15:18,665 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 11:15:18,961 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 4 proven. 70 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-10-16 11:15:18,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1251753725] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 11:15:18,962 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 11:15:18,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 34, 16] total 57 [2024-10-16 11:15:18,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198967889] [2024-10-16 11:15:18,962 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 11:15:18,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-10-16 11:15:18,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 11:15:18,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-10-16 11:15:18,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=238, Invalid=3068, Unknown=0, NotChecked=0, Total=3306 [2024-10-16 11:15:18,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 11:15:18,965 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 11:15:18,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 1.6379310344827587) internal successors, (95), 57 states have internal predecessors, (95), 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) [2024-10-16 11:15:18,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-10-16 11:15:18,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-10-16 11:15:18,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 11:15:18,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-10-16 11:15:18,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 11:15:18,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 11:15:22,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-10-16 11:15:22,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-10-16 11:15:22,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 11:15:22,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-10-16 11:15:22,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 11:15:22,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-10-16 11:15:22,040 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-16 11:15:22,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-10-16 11:15:22,229 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-16 11:15:22,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 11:15:22,230 INFO L85 PathProgramCache]: Analyzing trace with hash 601886615, now seen corresponding path program 5 times [2024-10-16 11:15:22,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 11:15:22,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214843359] [2024-10-16 11:15:22,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 11:15:22,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 11:15:22,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 11:15:22,622 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-16 11:15:22,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 11:15:22,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214843359] [2024-10-16 11:15:22,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214843359] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 11:15:22,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1993393782] [2024-10-16 11:15:22,623 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-16 11:15:22,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 11:15:22,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 11:15:22,625 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 11:15:22,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-16 11:15:22,678 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-10-16 11:15:22,678 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 11:15:22,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-10-16 11:15:22,681 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 11:15:23,579 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 11:15:23,580 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 11:15:24,278 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 2 proven. 75 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-10-16 11:15:24,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1993393782] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 11:15:24,278 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 11:15:24,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 34, 20] total 65 [2024-10-16 11:15:24,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095139242] [2024-10-16 11:15:24,279 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 11:15:24,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2024-10-16 11:15:24,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 11:15:24,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2024-10-16 11:15:24,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=400, Invalid=3890, Unknown=0, NotChecked=0, Total=4290 [2024-10-16 11:15:24,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 11:15:24,282 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 11:15:24,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 1.5909090909090908) internal successors, (105), 65 states have internal predecessors, (105), 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) [2024-10-16 11:15:24,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-10-16 11:15:24,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-10-16 11:15:24,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 11:15:24,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-10-16 11:15:24,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 11:15:24,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-10-16 11:15:24,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 11:15:30,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-10-16 11:15:30,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-10-16 11:15:30,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 11:15:30,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-10-16 11:15:30,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 11:15:30,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2024-10-16 11:15:30,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2024-10-16 11:15:30,197 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-16 11:15:30,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-16 11:15:30,389 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-16 11:15:30,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 11:15:30,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1230970955, now seen corresponding path program 2 times [2024-10-16 11:15:30,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 11:15:30,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503467418] [2024-10-16 11:15:30,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 11:15:30,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 11:15:30,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 11:15:30,558 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-16 11:15:30,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 11:15:30,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503467418] [2024-10-16 11:15:30,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503467418] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 11:15:30,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1588900677] [2024-10-16 11:15:30,560 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-16 11:15:30,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 11:15:30,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 11:15:30,562 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 11:15:30,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-16 11:15:30,621 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-16 11:15:30,622 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 11:15:30,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-16 11:15:30,624 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 11:15:30,896 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 11:15:30,897 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 11:15:31,158 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 11:15:31,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1588900677] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 11:15:31,159 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 11:15:31,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 13] total 35 [2024-10-16 11:15:31,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418574581] [2024-10-16 11:15:31,159 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 11:15:31,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-10-16 11:15:31,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 11:15:31,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-10-16 11:15:31,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=1094, Unknown=0, NotChecked=0, Total=1260 [2024-10-16 11:15:31,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 11:15:31,161 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 11:15:31,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 1.6944444444444444) internal successors, (61), 35 states have internal predecessors, (61), 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) [2024-10-16 11:15:31,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-10-16 11:15:31,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-10-16 11:15:31,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 11:15:31,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-10-16 11:15:31,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 11:15:31,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2024-10-16 11:15:31,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2024-10-16 11:15:31,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 11:15:32,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-16 11:15:32,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-10-16 11:15:32,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 11:15:32,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-10-16 11:15:32,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 11:15:32,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2024-10-16 11:15:32,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2024-10-16 11:15:32,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-10-16 11:15:32,463 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-16 11:15:32,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-16 11:15:32,650 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-16 11:15:32,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 11:15:32,651 INFO L85 PathProgramCache]: Analyzing trace with hash -231718563, now seen corresponding path program 1 times [2024-10-16 11:15:32,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 11:15:32,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515751235] [2024-10-16 11:15:32,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 11:15:32,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 11:15:32,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 11:15:32,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 11:15:32,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 11:15:32,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515751235] [2024-10-16 11:15:32,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515751235] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 11:15:32,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 11:15:32,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-16 11:15:32,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37915200] [2024-10-16 11:15:32,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 11:15:32,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-16 11:15:32,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 11:15:32,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-16 11:15:32,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-10-16 11:15:32,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 11:15:32,750 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 11:15:32,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 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) [2024-10-16 11:15:32,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-16 11:15:32,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-10-16 11:15:32,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 11:15:32,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-10-16 11:15:32,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 11:15:32,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2024-10-16 11:15:32,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2024-10-16 11:15:32,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-10-16 11:15:32,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 11:15:34,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-10-16 11:15:34,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-10-16 11:15:34,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 11:15:34,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2024-10-16 11:15:34,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 11:15:34,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-10-16 11:15:34,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-10-16 11:15:34,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-10-16 11:15:34,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-16 11:15:34,258 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-10-16 11:15:34,258 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-10-16 11:15:34,258 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-10-16 11:15:34,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-16 11:15:34,267 INFO L414 BasicCegarLoop]: Path program histogram: [5, 2, 1, 1, 1] [2024-10-16 11:15:34,269 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-16 11:15:34,270 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-16 11:15:34,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 11:15:34 BasicIcfg [2024-10-16 11:15:34,273 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-16 11:15:34,273 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-16 11:15:34,273 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-16 11:15:34,274 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-16 11:15:34,275 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:15:05" (3/4) ... [2024-10-16 11:15:34,276 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-16 11:15:34,279 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-16 11:15:34,279 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-16 11:15:34,282 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2024-10-16 11:15:34,284 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-10-16 11:15:34,284 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-16 11:15:34,284 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-16 11:15:34,351 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-16 11:15:34,351 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-16 11:15:34,351 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-16 11:15:34,352 INFO L158 Benchmark]: Toolchain (without parser) took 29404.46ms. Allocated memory was 75.5MB in the beginning and 371.2MB in the end (delta: 295.7MB). Free memory was 42.1MB in the beginning and 200.3MB in the end (delta: -158.2MB). Peak memory consumption was 137.8MB. Max. memory is 16.1GB. [2024-10-16 11:15:34,352 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 52.4MB. Free memory is still 35.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-16 11:15:34,352 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.81ms. Allocated memory is still 75.5MB. Free memory was 41.8MB in the beginning and 49.4MB in the end (delta: -7.6MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2024-10-16 11:15:34,352 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.50ms. Allocated memory is still 75.5MB. Free memory was 49.1MB in the beginning and 47.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-16 11:15:34,352 INFO L158 Benchmark]: Boogie Preprocessor took 29.34ms. Allocated memory is still 75.5MB. Free memory was 47.7MB in the beginning and 46.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-16 11:15:34,353 INFO L158 Benchmark]: RCFGBuilder took 446.95ms. Allocated memory is still 75.5MB. Free memory was 46.4MB in the beginning and 50.5MB in the end (delta: -4.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-16 11:15:34,353 INFO L158 Benchmark]: TraceAbstraction took 28570.60ms. Allocated memory was 75.5MB in the beginning and 371.2MB in the end (delta: 295.7MB). Free memory was 49.3MB in the beginning and 204.5MB in the end (delta: -155.2MB). Peak memory consumption was 141.1MB. Max. memory is 16.1GB. [2024-10-16 11:15:34,353 INFO L158 Benchmark]: Witness Printer took 78.39ms. Allocated memory is still 371.2MB. Free memory was 204.5MB in the beginning and 200.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-16 11:15:34,354 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 52.4MB. Free memory is still 35.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.81ms. Allocated memory is still 75.5MB. Free memory was 41.8MB in the beginning and 49.4MB in the end (delta: -7.6MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.50ms. Allocated memory is still 75.5MB. Free memory was 49.1MB in the beginning and 47.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.34ms. Allocated memory is still 75.5MB. Free memory was 47.7MB in the beginning and 46.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 446.95ms. Allocated memory is still 75.5MB. Free memory was 46.4MB in the beginning and 50.5MB in the end (delta: -4.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 28570.60ms. Allocated memory was 75.5MB in the beginning and 371.2MB in the end (delta: 295.7MB). Free memory was 49.3MB in the beginning and 204.5MB in the end (delta: -155.2MB). Peak memory consumption was 141.1MB. Max. memory is 16.1GB. * Witness Printer took 78.39ms. Allocated memory is still 371.2MB. Free memory was 204.5MB in the beginning and 200.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2586, independent: 1881, independent conditional: 1676, independent unconditional: 205, dependent: 705, dependent conditional: 702, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1889, independent: 1881, independent conditional: 1676, independent unconditional: 205, dependent: 8, dependent conditional: 5, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1889, independent: 1881, independent conditional: 1676, independent unconditional: 205, dependent: 8, dependent conditional: 5, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1889, independent: 1881, independent conditional: 1676, independent unconditional: 205, dependent: 8, dependent conditional: 5, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2013, independent: 1881, independent conditional: 1676, independent unconditional: 205, dependent: 132, dependent conditional: 126, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2013, independent: 1881, independent conditional: 47, independent unconditional: 1834, dependent: 132, dependent conditional: 73, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2013, independent: 1881, independent conditional: 47, independent unconditional: 1834, dependent: 132, dependent conditional: 73, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 195, independent: 179, independent conditional: 9, independent unconditional: 170, dependent: 16, dependent conditional: 13, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 195, independent: 168, independent conditional: 0, independent unconditional: 168, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 27, independent: 11, independent conditional: 9, independent unconditional: 2, dependent: 16, dependent conditional: 13, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, independent: 11, independent conditional: 9, independent unconditional: 2, dependent: 16, dependent conditional: 13, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 422, independent: 168, independent conditional: 55, independent unconditional: 113, dependent: 254, dependent conditional: 89, dependent unconditional: 164, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2013, independent: 1702, independent conditional: 38, independent unconditional: 1664, dependent: 116, dependent conditional: 60, dependent unconditional: 56, unknown: 195, unknown conditional: 22, unknown unconditional: 173] , Statistics on independence cache: Total cache size (in pairs): 195, Positive cache size: 179, Positive conditional cache size: 9, Positive unconditional cache size: 170, Negative cache size: 16, Negative conditional cache size: 13, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1682, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2013, independent: 1881, independent conditional: 1676, independent unconditional: 205, dependent: 132, dependent conditional: 126, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2013, independent: 1881, independent conditional: 47, independent unconditional: 1834, dependent: 132, dependent conditional: 73, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2013, independent: 1881, independent conditional: 47, independent unconditional: 1834, dependent: 132, dependent conditional: 73, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 195, independent: 179, independent conditional: 9, independent unconditional: 170, dependent: 16, dependent conditional: 13, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 195, independent: 168, independent conditional: 0, independent unconditional: 168, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 27, independent: 11, independent conditional: 9, independent unconditional: 2, dependent: 16, dependent conditional: 13, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, independent: 11, independent conditional: 9, independent unconditional: 2, dependent: 16, dependent conditional: 13, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 422, independent: 168, independent conditional: 55, independent unconditional: 113, dependent: 254, dependent conditional: 89, dependent unconditional: 164, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2013, independent: 1702, independent conditional: 38, independent unconditional: 1664, dependent: 116, dependent conditional: 60, dependent unconditional: 56, unknown: 195, unknown conditional: 22, unknown unconditional: 173] , Statistics on independence cache: Total cache size (in pairs): 195, Positive cache size: 179, Positive conditional cache size: 9, Positive unconditional cache size: 170, Negative cache size: 16, Negative conditional cache size: 13, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1682 ], Independence queries for same thread: 697, Persistent sets #1 benchmarks: Persistent set computation time: 0.3s, Number of persistent set computation: 61, Number of trivial persistent sets: 48, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 208, independent: 205, independent conditional: 0, independent unconditional: 205, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2586, independent: 1881, independent conditional: 1676, independent unconditional: 205, dependent: 705, dependent conditional: 702, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1889, independent: 1881, independent conditional: 1676, independent unconditional: 205, dependent: 8, dependent conditional: 5, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1889, independent: 1881, independent conditional: 1676, independent unconditional: 205, dependent: 8, dependent conditional: 5, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1889, independent: 1881, independent conditional: 1676, independent unconditional: 205, dependent: 8, dependent conditional: 5, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2013, independent: 1881, independent conditional: 1676, independent unconditional: 205, dependent: 132, dependent conditional: 126, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2013, independent: 1881, independent conditional: 47, independent unconditional: 1834, dependent: 132, dependent conditional: 73, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2013, independent: 1881, independent conditional: 47, independent unconditional: 1834, dependent: 132, dependent conditional: 73, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 195, independent: 179, independent conditional: 9, independent unconditional: 170, dependent: 16, dependent conditional: 13, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 195, independent: 168, independent conditional: 0, independent unconditional: 168, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 27, independent: 11, independent conditional: 9, independent unconditional: 2, dependent: 16, dependent conditional: 13, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, independent: 11, independent conditional: 9, independent unconditional: 2, dependent: 16, dependent conditional: 13, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 422, independent: 168, independent conditional: 55, independent unconditional: 113, dependent: 254, dependent conditional: 89, dependent unconditional: 164, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2013, independent: 1702, independent conditional: 38, independent unconditional: 1664, dependent: 116, dependent conditional: 60, dependent unconditional: 56, unknown: 195, unknown conditional: 22, unknown unconditional: 173] , Statistics on independence cache: Total cache size (in pairs): 195, Positive cache size: 179, Positive conditional cache size: 9, Positive unconditional cache size: 170, Negative cache size: 16, Negative conditional cache size: 13, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1682, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2013, independent: 1881, independent conditional: 1676, independent unconditional: 205, dependent: 132, dependent conditional: 126, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2013, independent: 1881, independent conditional: 47, independent unconditional: 1834, dependent: 132, dependent conditional: 73, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2013, independent: 1881, independent conditional: 47, independent unconditional: 1834, dependent: 132, dependent conditional: 73, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 195, independent: 179, independent conditional: 9, independent unconditional: 170, dependent: 16, dependent conditional: 13, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 195, independent: 168, independent conditional: 0, independent unconditional: 168, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 27, independent: 11, independent conditional: 9, independent unconditional: 2, dependent: 16, dependent conditional: 13, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, independent: 11, independent conditional: 9, independent unconditional: 2, dependent: 16, dependent conditional: 13, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 422, independent: 168, independent conditional: 55, independent unconditional: 113, dependent: 254, dependent conditional: 89, dependent unconditional: 164, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2013, independent: 1702, independent conditional: 38, independent unconditional: 1664, dependent: 116, dependent conditional: 60, dependent unconditional: 56, unknown: 195, unknown conditional: 22, unknown unconditional: 173] , Statistics on independence cache: Total cache size (in pairs): 195, Positive cache size: 179, Positive conditional cache size: 9, Positive unconditional cache size: 170, Negative cache size: 16, Negative conditional cache size: 13, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1682 ], Independence queries for same thread: 697 - PositiveResult [Line: 76]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 33 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 28.4s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 18.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 559, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 8.1s InterpolantComputationTime, 467 NumberOfCodeBlocks, 467 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 657 ConstructedInterpolants, 0 QuantifiedInterpolants, 6477 SizeOfPredicates, 8 NumberOfNonLiveVariables, 771 ConjunctsInSsa, 214 ConjunctsInUnsatCore, 20 InterpolantComputations, 2 PerfectInterpolantSequences, 249/1066 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, ConComCheckerStatistics: ConditionalCommutativityOverallTime: 0.4s, ConditionalCommutativityCheckTime: 0.4s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 1, ConditionalCommutativityConditionCalculations: 2, ConditionalCommutativityTraceChecks: 2, ConditionalCommutativityImperfectProofs: 1 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-16 11:15:34,380 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-10-16 11:15:34,595 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...