/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking BOTH --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/triangular-longest-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-07 20:19:25,232 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-07 20:19:25,299 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-07 20:19:25,304 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-07 20:19:25,304 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-07 20:19:25,325 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-07 20:19:25,325 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-07 20:19:25,326 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-07 20:19:25,326 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-07 20:19:25,329 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-07 20:19:25,329 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-07 20:19:25,329 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-07 20:19:25,330 INFO L153 SettingsManager]: * Use SBE=true [2024-05-07 20:19:25,331 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-07 20:19:25,331 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-07 20:19:25,331 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-07 20:19:25,331 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-07 20:19:25,331 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-07 20:19:25,332 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-07 20:19:25,332 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-07 20:19:25,332 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-07 20:19:25,332 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-07 20:19:25,333 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-07 20:19:25,333 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-07 20:19:25,333 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-07 20:19:25,333 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-07 20:19:25,334 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-07 20:19:25,334 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-07 20:19:25,334 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-07 20:19:25,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 20:19:25,335 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-07 20:19:25,335 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-07 20:19:25,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-07 20:19:25,335 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-07 20:19:25,335 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-07 20:19:25,335 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-07 20:19:25,336 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-07 20:19:25,336 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-07 20:19:25,336 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-07 20:19:25,336 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> BOTH Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-07 20:19:25,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-07 20:19:25,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-07 20:19:25,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-07 20:19:25,562 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-07 20:19:25,562 INFO L274 PluginConnector]: CDTParser initialized [2024-05-07 20:19:25,563 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/triangular-longest-1.i [2024-05-07 20:19:26,576 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-07 20:19:26,833 INFO L384 CDTParser]: Found 1 translation units. [2024-05-07 20:19:26,834 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-longest-1.i [2024-05-07 20:19:26,848 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/86bf9dfd5/5e4b6cfb9fb848878dffe2711ac90d87/FLAG8c4054caa [2024-05-07 20:19:26,858 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/86bf9dfd5/5e4b6cfb9fb848878dffe2711ac90d87 [2024-05-07 20:19:26,860 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-07 20:19:26,861 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-07 20:19:26,862 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-07 20:19:26,862 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-07 20:19:26,865 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-07 20:19:26,866 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 08:19:26" (1/1) ... [2024-05-07 20:19:26,866 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11ff5872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:19:26, skipping insertion in model container [2024-05-07 20:19:26,866 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 08:19:26" (1/1) ... [2024-05-07 20:19:26,898 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-07 20:19:27,163 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-longest-1.i[30962,30975] [2024-05-07 20:19:27,167 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 20:19:27,174 INFO L202 MainTranslator]: Completed pre-run [2024-05-07 20:19:27,207 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-longest-1.i[30962,30975] [2024-05-07 20:19:27,208 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 20:19:27,229 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 20:19:27,229 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 20:19:27,254 INFO L206 MainTranslator]: Completed translation [2024-05-07 20:19:27,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:19:27 WrapperNode [2024-05-07 20:19:27,254 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-07 20:19:27,255 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-07 20:19:27,255 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-07 20:19:27,256 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-07 20:19:27,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:19:27" (1/1) ... [2024-05-07 20:19:27,285 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:19:27" (1/1) ... [2024-05-07 20:19:27,304 INFO L138 Inliner]: procedures = 169, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2024-05-07 20:19:27,305 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-07 20:19:27,305 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-07 20:19:27,305 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-07 20:19:27,305 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-07 20:19:27,311 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:19:27" (1/1) ... [2024-05-07 20:19:27,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:19:27" (1/1) ... [2024-05-07 20:19:27,316 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:19:27" (1/1) ... [2024-05-07 20:19:27,316 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:19:27" (1/1) ... [2024-05-07 20:19:27,331 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:19:27" (1/1) ... [2024-05-07 20:19:27,333 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:19:27" (1/1) ... [2024-05-07 20:19:27,334 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:19:27" (1/1) ... [2024-05-07 20:19:27,335 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:19:27" (1/1) ... [2024-05-07 20:19:27,336 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-07 20:19:27,337 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-07 20:19:27,337 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-07 20:19:27,337 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-07 20:19:27,338 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:19:27" (1/1) ... [2024-05-07 20:19:27,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 20:19:27,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 20:19:27,368 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) [2024-05-07 20:19:27,387 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 [2024-05-07 20:19:27,409 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-05-07 20:19:27,409 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-05-07 20:19:27,409 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-05-07 20:19:27,409 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-05-07 20:19:27,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-07 20:19:27,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-07 20:19:27,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-07 20:19:27,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-07 20:19:27,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-07 20:19:27,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-07 20:19:27,411 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-07 20:19:27,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-07 20:19:27,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-07 20:19:27,413 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-07 20:19:27,562 INFO L241 CfgBuilder]: Building ICFG [2024-05-07 20:19:27,563 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-07 20:19:27,667 INFO L282 CfgBuilder]: Performing block encoding [2024-05-07 20:19:27,674 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-07 20:19:27,674 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-05-07 20:19:27,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 08:19:27 BoogieIcfgContainer [2024-05-07 20:19:27,675 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-07 20:19:27,677 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-07 20:19:27,677 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-07 20:19:27,680 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-07 20:19:27,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.05 08:19:26" (1/3) ... [2024-05-07 20:19:27,681 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66366139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 08:19:27, skipping insertion in model container [2024-05-07 20:19:27,681 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:19:27" (2/3) ... [2024-05-07 20:19:27,681 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66366139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 08:19:27, skipping insertion in model container [2024-05-07 20:19:27,681 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 08:19:27" (3/3) ... [2024-05-07 20:19:27,682 INFO L112 eAbstractionObserver]: Analyzing ICFG triangular-longest-1.i [2024-05-07 20:19:27,688 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-07 20:19:27,696 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-07 20:19:27,697 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-07 20:19:27,697 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-07 20:19:27,730 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-07 20:19:27,761 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-07 20:19:27,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-07 20:19:27,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 20:19:27,762 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) [2024-05-07 20:19:27,763 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 [2024-05-07 20:19:27,798 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-07 20:19:27,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 20:19:27,814 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-07 20:19:27,820 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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;@36a55697, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=BOTH, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-07 20:19:27,820 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-05-07 20:19:27,883 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 20:19:27,886 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 20:19:27,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1929297279, now seen corresponding path program 1 times [2024-05-07 20:19:27,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 20:19:27,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682817631] [2024-05-07 20:19:27,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 20:19:27,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 20:19:28,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 20:19:28,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:19:28,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 20:19:28,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682817631] [2024-05-07 20:19:28,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682817631] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 20:19:28,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 20:19:28,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-07 20:19:28,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926124313] [2024-05-07 20:19:28,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 20:19:28,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-07 20:19:28,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 20:19:28,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-07 20:19:28,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-05-07 20:19:28,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 20:19:28,476 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 20:19:28,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 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) [2024-05-07 20:19:28,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 20:19:29,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1881417584, now seen corresponding path program 1 times [2024-05-07 20:19:29,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 20:19:29,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 20:19:29,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 20:19:29,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:19:29,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 20:19:29,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 20:19:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 20:19:29,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:19:29,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-07 20:19:29,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-05-07 20:19:29,634 INFO L85 PathProgramCache]: Analyzing trace with hash 207759196, now seen corresponding path program 1 times [2024-05-07 20:19:29,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 20:19:29,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 20:19:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 20:19:29,755 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:19:29,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 20:19:29,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 20:19:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 20:19:29,866 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:19:29,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 20:19:29,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable1,SelfDestructingSolverStorable0 [2024-05-07 20:19:29,871 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 20:19:29,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 20:19:29,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1863394215, now seen corresponding path program 1 times [2024-05-07 20:19:29,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 20:19:29,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962680908] [2024-05-07 20:19:29,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 20:19:29,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 20:19:29,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 20:19:30,044 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:19:30,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 20:19:30,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962680908] [2024-05-07 20:19:30,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962680908] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 20:19:30,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [975407475] [2024-05-07 20:19:30,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 20:19:30,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 20:19:30,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 20:19:30,094 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) [2024-05-07 20:19:30,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-07 20:19:30,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 20:19:30,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 11 conjunts are in the unsatisfiable core [2024-05-07 20:19:30,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 20:19:30,322 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:19:30,322 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 20:19:30,508 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:19:30,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [975407475] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 20:19:30,509 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 20:19:30,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 18 [2024-05-07 20:19:30,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904559337] [2024-05-07 20:19:30,509 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 20:19:30,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-05-07 20:19:30,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 20:19:30,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1881417584, now seen corresponding path program 2 times [2024-05-07 20:19:30,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 20:19:30,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 20:19:30,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 20:19:30,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:19:30,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 20:19:30,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 20:19:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 20:19:30,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:19:30,740 INFO L85 PathProgramCache]: Analyzing trace with hash 207759196, now seen corresponding path program 2 times [2024-05-07 20:19:30,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 20:19:30,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 20:19:30,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 20:19:30,793 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 20:19:30,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 20:19:30,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 20:19:30,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 20:19:30,827 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 20:19:30,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-05-07 20:19:30,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=365, Unknown=0, NotChecked=0, Total=462 [2024-05-07 20:19:30,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 20:19:30,832 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 20:19:30,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 8.210526315789474) internal successors, (156), 20 states have internal predecessors, (156), 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) [2024-05-07 20:19:30,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 20:19:30,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 20:19:31,443 INFO L85 PathProgramCache]: Analyzing trace with hash -535077600, now seen corresponding path program 3 times [2024-05-07 20:19:31,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 20:19:31,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 20:19:31,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 20:19:31,598 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:19:31,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 20:19:31,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 20:19:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 20:19:31,684 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:19:31,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 20:19:31,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-07 20:19:31,698 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-05-07 20:19:31,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable9 [2024-05-07 20:19:31,898 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 20:19:31,898 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 20:19:31,899 INFO L85 PathProgramCache]: Analyzing trace with hash -806835869, now seen corresponding path program 2 times [2024-05-07 20:19:31,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 20:19:31,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645022261] [2024-05-07 20:19:31,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 20:19:31,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 20:19:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 20:19:32,139 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:19:32,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 20:19:32,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645022261] [2024-05-07 20:19:32,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645022261] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 20:19:32,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [832644264] [2024-05-07 20:19:32,141 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-07 20:19:32,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 20:19:32,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 20:19:32,142 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) [2024-05-07 20:19:32,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-07 20:19:32,213 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-07 20:19:32,213 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 20:19:32,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 17 conjunts are in the unsatisfiable core [2024-05-07 20:19:32,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 20:19:32,375 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:19:32,375 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 20:19:32,689 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:19:32,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [832644264] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 20:19:32,690 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 20:19:32,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 30 [2024-05-07 20:19:32,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637148219] [2024-05-07 20:19:32,690 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 20:19:32,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-05-07 20:19:32,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 20:19:32,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-05-07 20:19:32,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=684, Unknown=0, NotChecked=0, Total=870 [2024-05-07 20:19:32,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 20:19:32,717 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 20:19:32,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 6.133333333333334) internal successors, (184), 30 states have internal predecessors, (184), 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) [2024-05-07 20:19:32,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 20:19:32,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-07 20:19:32,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 20:19:33,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 20:19:33,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-07 20:19:33,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-07 20:19:33,805 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-07 20:19:33,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-05-07 20:19:33,991 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 20:19:33,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 20:19:33,992 INFO L85 PathProgramCache]: Analyzing trace with hash -526884389, now seen corresponding path program 3 times [2024-05-07 20:19:33,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 20:19:33,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499735004] [2024-05-07 20:19:33,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 20:19:33,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 20:19:34,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 20:19:34,530 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 0 proven. 550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:19:34,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 20:19:34,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499735004] [2024-05-07 20:19:34,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499735004] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 20:19:34,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1093177454] [2024-05-07 20:19:34,531 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-07 20:19:34,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 20:19:34,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 20:19:34,532 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) [2024-05-07 20:19:34,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-07 20:19:34,629 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-05-07 20:19:34,630 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 20:19:34,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 29 conjunts are in the unsatisfiable core [2024-05-07 20:19:34,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 20:19:34,957 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 0 proven. 550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:19:34,958 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 20:19:35,582 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 0 proven. 550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:19:35,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1093177454] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 20:19:35,583 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 20:19:35,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28, 28] total 49 [2024-05-07 20:19:35,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492359841] [2024-05-07 20:19:35,583 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 20:19:35,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-05-07 20:19:35,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 20:19:35,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-05-07 20:19:35,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=523, Invalid=1829, Unknown=0, NotChecked=0, Total=2352 [2024-05-07 20:19:35,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 20:19:35,654 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 20:19:35,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 5.816326530612245) internal successors, (285), 49 states have internal predecessors, (285), 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) [2024-05-07 20:19:35,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 20:19:35,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-07 20:19:35,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-07 20:19:35,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 20:19:38,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 20:19:38,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-07 20:19:38,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-07 20:19:38,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-05-07 20:19:38,415 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-07 20:19:38,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 20:19:38,615 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 20:19:38,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 20:19:38,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1716460195, now seen corresponding path program 4 times [2024-05-07 20:19:38,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 20:19:38,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557878840] [2024-05-07 20:19:38,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 20:19:38,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 20:19:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 20:19:39,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2100 backedges. 2023 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:19:39,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 20:19:39,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557878840] [2024-05-07 20:19:39,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557878840] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 20:19:39,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [766475468] [2024-05-07 20:19:39,762 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-07 20:19:39,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 20:19:39,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 20:19:39,763 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) [2024-05-07 20:19:39,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-07 20:19:39,872 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-07 20:19:39,872 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 20:19:39,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 42 conjunts are in the unsatisfiable core [2024-05-07 20:19:39,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 20:19:40,082 INFO L134 CoverageAnalysis]: Checked inductivity of 2100 backedges. 2100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:19:40,083 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-07 20:19:40,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [766475468] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 20:19:40,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-07 20:19:40,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [43] imperfect sequences [43] total 45 [2024-05-07 20:19:40,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556915636] [2024-05-07 20:19:40,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 20:19:40,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-05-07 20:19:40,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 20:19:40,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-05-07 20:19:40,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=489, Invalid=1491, Unknown=0, NotChecked=0, Total=1980 [2024-05-07 20:19:40,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 20:19:40,182 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 20:19:40,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 5.674418604651163) internal successors, (244), 43 states have internal predecessors, (244), 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) [2024-05-07 20:19:40,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 20:19:40,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-07 20:19:40,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-07 20:19:40,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-05-07 20:19:40,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 20:19:45,230 INFO L85 PathProgramCache]: Analyzing trace with hash 336353944, now seen corresponding path program 1 times [2024-05-07 20:19:45,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 20:19:45,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 20:19:45,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 20:19:45,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:19:45,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 20:19:45,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 20:19:45,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 20:19:45,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:19:45,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 20:19:45,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-07 20:19:45,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-07 20:19:45,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-05-07 20:19:45,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-05-07 20:19:45,294 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-07 20:19:45,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16 [2024-05-07 20:19:45,492 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 20:19:45,493 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 20:19:45,493 INFO L85 PathProgramCache]: Analyzing trace with hash 873861454, now seen corresponding path program 5 times [2024-05-07 20:19:45,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 20:19:45,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895563968] [2024-05-07 20:19:45,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 20:19:45,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 20:19:45,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 20:19:45,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:19:45,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 20:19:45,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895563968] [2024-05-07 20:19:45,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895563968] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 20:19:45,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1729373593] [2024-05-07 20:19:45,573 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-07 20:19:45,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 20:19:45,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 20:19:45,574 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) [2024-05-07 20:19:45,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-07 20:19:45,630 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-07 20:19:45,630 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 20:19:45,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 9 conjunts are in the unsatisfiable core [2024-05-07 20:19:45,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 20:19:45,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:19:45,675 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 20:19:45,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:19:45,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1729373593] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 20:19:45,742 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 20:19:45,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2024-05-07 20:19:45,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594963192] [2024-05-07 20:19:45,742 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 20:19:45,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-05-07 20:19:45,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 20:19:45,787 INFO L85 PathProgramCache]: Analyzing trace with hash -953331132, now seen corresponding path program 1 times [2024-05-07 20:19:45,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 20:19:45,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 20:19:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 20:19:45,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:19:45,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 20:19:45,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 20:19:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 20:19:45,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:19:45,877 INFO L85 PathProgramCache]: Analyzing trace with hash 336353944, now seen corresponding path program 2 times [2024-05-07 20:19:45,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 20:19:45,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 20:19:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 20:19:45,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 20:19:45,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 20:19:45,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 20:19:45,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 20:19:45,920 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 20:19:45,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-05-07 20:19:45,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2024-05-07 20:19:45,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 20:19:45,922 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 20:19:45,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 7.666666666666667) internal successors, (115), 16 states have internal predecessors, (115), 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) [2024-05-07 20:19:45,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 20:19:45,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-05-07 20:19:45,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-07 20:19:45,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2024-05-07 20:19:45,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-05-07 20:19:45,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 20:19:50,495 INFO L85 PathProgramCache]: Analyzing trace with hash 122314132, now seen corresponding path program 3 times [2024-05-07 20:19:50,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 20:19:50,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 20:19:50,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 20:19:50,542 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:19:50,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 20:19:50,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 20:19:50,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 20:19:50,607 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:19:50,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 20:19:50,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-07 20:19:50,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-07 20:19:50,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-05-07 20:19:50,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-05-07 20:19:50,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-07 20:19:50,616 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-07 20:19:50,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable17 [2024-05-07 20:19:50,816 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 20:19:50,817 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 20:19:50,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1353806894, now seen corresponding path program 6 times [2024-05-07 20:19:50,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 20:19:50,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436213774] [2024-05-07 20:19:50,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 20:19:50,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 20:19:50,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 20:19:50,959 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:19:50,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 20:19:50,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436213774] [2024-05-07 20:19:50,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436213774] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 20:19:50,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [711064893] [2024-05-07 20:19:50,960 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-07 20:19:50,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 20:19:50,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 20:19:50,961 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) [2024-05-07 20:19:50,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-07 20:19:51,029 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-05-07 20:19:51,030 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 20:19:51,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 15 conjunts are in the unsatisfiable core [2024-05-07 20:19:51,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 20:19:51,105 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:19:51,106 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 20:19:51,296 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:19:51,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [711064893] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 20:19:51,297 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 20:19:51,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 26 [2024-05-07 20:19:51,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638155894] [2024-05-07 20:19:51,298 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 20:19:51,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-05-07 20:19:51,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 20:19:51,344 INFO L85 PathProgramCache]: Analyzing trace with hash -953331132, now seen corresponding path program 2 times [2024-05-07 20:19:51,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 20:19:51,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 20:19:51,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 20:19:51,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:19:51,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 20:19:51,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 20:19:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 20:19:51,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:19:51,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-05-07 20:19:51,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2024-05-07 20:19:51,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 20:19:51,391 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 20:19:51,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 6.296296296296297) internal successors, (170), 28 states have internal predecessors, (170), 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) [2024-05-07 20:19:51,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 20:19:51,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-05-07 20:19:51,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-07 20:19:51,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2024-05-07 20:19:51,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-05-07 20:19:51,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-05-07 20:19:51,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 20:19:58,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 20:19:58,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-07 20:19:58,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-07 20:19:58,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-05-07 20:19:58,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-05-07 20:19:58,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-07 20:19:58,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-05-07 20:19:58,555 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-07 20:19:58,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26 [2024-05-07 20:19:58,751 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 20:19:58,751 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 20:19:58,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1168571430, now seen corresponding path program 7 times [2024-05-07 20:19:58,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 20:19:58,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762647780] [2024-05-07 20:19:58,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 20:19:58,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 20:19:58,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 20:19:59,115 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 0 proven. 470 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:19:59,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 20:19:59,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762647780] [2024-05-07 20:19:59,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762647780] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 20:19:59,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524421322] [2024-05-07 20:19:59,116 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-07 20:19:59,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 20:19:59,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 20:19:59,117 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 20:19:59,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-07 20:19:59,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 20:19:59,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 27 conjunts are in the unsatisfiable core [2024-05-07 20:19:59,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 20:19:59,338 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 0 proven. 470 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:19:59,339 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 20:19:59,836 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 0 proven. 470 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:19:59,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1524421322] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 20:19:59,836 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 20:19:59,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 50 [2024-05-07 20:19:59,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77617651] [2024-05-07 20:19:59,837 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 20:19:59,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-05-07 20:19:59,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 20:19:59,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-05-07 20:19:59,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=564, Invalid=1886, Unknown=0, NotChecked=0, Total=2450 [2024-05-07 20:19:59,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 20:19:59,859 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 20:19:59,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 5.3) internal successors, (265), 50 states have internal predecessors, (265), 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) [2024-05-07 20:19:59,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 20:19:59,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-05-07 20:19:59,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-07 20:19:59,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2024-05-07 20:19:59,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-05-07 20:19:59,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-05-07 20:19:59,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-05-07 20:19:59,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 20:20:20,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 20:20:20,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-07 20:20:20,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-07 20:20:20,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-05-07 20:20:20,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-05-07 20:20:20,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-07 20:20:20,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-05-07 20:20:20,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-05-07 20:20:20,215 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-05-07 20:20:20,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 20:20:20,415 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 20:20:20,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 20:20:20,416 INFO L85 PathProgramCache]: Analyzing trace with hash 319754595, now seen corresponding path program 8 times [2024-05-07 20:20:20,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 20:20:20,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690312520] [2024-05-07 20:20:20,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 20:20:20,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 20:20:20,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 20:20:21,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1786 backedges. 0 proven. 1786 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:20:21,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 20:20:21,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690312520] [2024-05-07 20:20:21,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690312520] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 20:20:21,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215059985] [2024-05-07 20:20:21,366 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-07 20:20:21,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 20:20:21,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 20:20:21,367 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 20:20:21,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-07 20:20:21,483 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-07 20:20:21,483 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 20:20:21,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 46 conjunts are in the unsatisfiable core [2024-05-07 20:20:21,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 20:20:21,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1786 backedges. 0 proven. 1786 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:20:21,906 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 20:20:22,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1786 backedges. 0 proven. 1786 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 20:20:22,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [215059985] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 20:20:22,924 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 20:20:22,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45, 45] total 88 [2024-05-07 20:20:22,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392621577] [2024-05-07 20:20:22,924 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 20:20:22,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2024-05-07 20:20:22,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 20:20:22,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2024-05-07 20:20:22,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1747, Invalid=5909, Unknown=0, NotChecked=0, Total=7656 [2024-05-07 20:20:22,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 20:20:22,989 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 20:20:22,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 5.113636363636363) internal successors, (450), 88 states have internal predecessors, (450), 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) [2024-05-07 20:20:22,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 20:20:22,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-05-07 20:20:22,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-07 20:20:22,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2024-05-07 20:20:22,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-05-07 20:20:22,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-05-07 20:20:22,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-05-07 20:20:22,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2024-05-07 20:20:22,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 20:21:00,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 20:21:00,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-07 20:21:00,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-07 20:21:00,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-05-07 20:21:00,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-05-07 20:21:00,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-07 20:21:00,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-05-07 20:21:00,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-05-07 20:21:00,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2024-05-07 20:21:00,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-05-07 20:21:00,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-05-07 20:21:00,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-05-07 20:21:00,306 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-05-07 20:21:00,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-05-07 20:21:00,512 INFO L448 BasicCegarLoop]: Path program histogram: [8, 3, 3, 2, 2, 1] [2024-05-07 20:21:00,514 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-07 20:21:00,514 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-07 20:21:00,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 08:21:00 BasicIcfg [2024-05-07 20:21:00,517 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-07 20:21:00,517 INFO L158 Benchmark]: Toolchain (without parser) took 93656.42ms. Allocated memory was 185.6MB in the beginning and 7.7GB in the end (delta: 7.5GB). Free memory was 111.4MB in the beginning and 6.6GB in the end (delta: -6.5GB). Peak memory consumption was 958.9MB. Max. memory is 8.0GB. [2024-05-07 20:21:00,517 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 185.6MB. Free memory was 151.3MB in the beginning and 151.2MB in the end (delta: 77.9kB). There was no memory consumed. Max. memory is 8.0GB. [2024-05-07 20:21:00,517 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.01ms. Allocated memory was 185.6MB in the beginning and 320.9MB in the end (delta: 135.3MB). Free memory was 111.2MB in the beginning and 287.3MB in the end (delta: -176.1MB). Peak memory consumption was 26.4MB. Max. memory is 8.0GB. [2024-05-07 20:21:00,518 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.57ms. Allocated memory is still 320.9MB. Free memory was 287.3MB in the beginning and 285.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-07 20:21:00,518 INFO L158 Benchmark]: Boogie Preprocessor took 30.98ms. Allocated memory is still 320.9MB. Free memory was 285.4MB in the beginning and 284.0MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-07 20:21:00,518 INFO L158 Benchmark]: RCFGBuilder took 338.66ms. Allocated memory is still 320.9MB. Free memory was 283.9MB in the beginning and 279.0MB in the end (delta: 4.8MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. [2024-05-07 20:21:00,518 INFO L158 Benchmark]: TraceAbstraction took 92839.63ms. Allocated memory was 320.9MB in the beginning and 7.7GB in the end (delta: 7.4GB). Free memory was 278.0MB in the beginning and 6.6GB in the end (delta: -6.4GB). Peak memory consumption was 990.0MB. Max. memory is 8.0GB. [2024-05-07 20:21:00,519 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 185.6MB. Free memory was 151.3MB in the beginning and 151.2MB in the end (delta: 77.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 393.01ms. Allocated memory was 185.6MB in the beginning and 320.9MB in the end (delta: 135.3MB). Free memory was 111.2MB in the beginning and 287.3MB in the end (delta: -176.1MB). Peak memory consumption was 26.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 49.57ms. Allocated memory is still 320.9MB. Free memory was 287.3MB in the beginning and 285.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.98ms. Allocated memory is still 320.9MB. Free memory was 285.4MB in the beginning and 284.0MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 338.66ms. Allocated memory is still 320.9MB. Free memory was 283.9MB in the beginning and 279.0MB in the end (delta: 4.8MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. * TraceAbstraction took 92839.63ms. Allocated memory was 320.9MB in the beginning and 7.7GB in the end (delta: 7.4GB). Free memory was 278.0MB in the beginning and 6.6GB in the end (delta: -6.4GB). Peak memory consumption was 990.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6083484, independent: 5674174, independent conditional: 5673572, independent unconditional: 602, dependent: 409310, dependent conditional: 409309, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5767946, independent: 5674174, independent conditional: 5673572, independent unconditional: 602, dependent: 93772, dependent conditional: 93771, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5767946, independent: 5674174, independent conditional: 5673572, independent unconditional: 602, dependent: 93772, dependent conditional: 93771, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5767946, independent: 5674174, independent conditional: 5673572, independent unconditional: 602, dependent: 93772, dependent conditional: 93771, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6043658, independent: 5674174, independent conditional: 2511725, independent unconditional: 3162449, dependent: 369484, dependent conditional: 275828, dependent unconditional: 93656, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6043658, independent: 5674174, independent conditional: 2090367, independent unconditional: 3583807, dependent: 369484, dependent conditional: 228762, dependent unconditional: 140722, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6043658, independent: 5674174, independent conditional: 2090367, independent unconditional: 3583807, dependent: 369484, dependent conditional: 228762, dependent unconditional: 140722, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1769, independent: 807, independent conditional: 318, independent unconditional: 489, dependent: 962, dependent conditional: 957, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1769, independent: 551, independent conditional: 0, independent unconditional: 551, dependent: 1218, dependent conditional: 0, dependent unconditional: 1218, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1218, independent: 256, independent conditional: 256, independent unconditional: 0, dependent: 962, dependent conditional: 957, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1218, independent: 256, independent conditional: 256, independent unconditional: 0, dependent: 962, dependent conditional: 957, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1614, independent: 410, independent conditional: 410, independent unconditional: 0, dependent: 1204, dependent conditional: 1168, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6043658, independent: 5673367, independent conditional: 2090049, independent unconditional: 3583318, dependent: 368522, dependent conditional: 227805, dependent unconditional: 140717, unknown: 1769, unknown conditional: 1275, unknown unconditional: 494] , Statistics on independence cache: Total cache size (in pairs): 1769, Positive cache size: 807, Positive conditional cache size: 318, Positive unconditional cache size: 489, Negative cache size: 962, Negative conditional cache size: 957, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 468424, Maximal queried relation: 10, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6043658, independent: 5674174, independent conditional: 2511725, independent unconditional: 3162449, dependent: 369484, dependent conditional: 275828, dependent unconditional: 93656, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6043658, independent: 5674174, independent conditional: 2090367, independent unconditional: 3583807, dependent: 369484, dependent conditional: 228762, dependent unconditional: 140722, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6043658, independent: 5674174, independent conditional: 2090367, independent unconditional: 3583807, dependent: 369484, dependent conditional: 228762, dependent unconditional: 140722, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1769, independent: 807, independent conditional: 318, independent unconditional: 489, dependent: 962, dependent conditional: 957, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1769, independent: 551, independent conditional: 0, independent unconditional: 551, dependent: 1218, dependent conditional: 0, dependent unconditional: 1218, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1218, independent: 256, independent conditional: 256, independent unconditional: 0, dependent: 962, dependent conditional: 957, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1218, independent: 256, independent conditional: 256, independent unconditional: 0, dependent: 962, dependent conditional: 957, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1614, independent: 410, independent conditional: 410, independent unconditional: 0, dependent: 1204, dependent conditional: 1168, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6043658, independent: 5673367, independent conditional: 2090049, independent unconditional: 3583318, dependent: 368522, dependent conditional: 227805, dependent unconditional: 140717, unknown: 1769, unknown conditional: 1275, unknown unconditional: 494] , Statistics on independence cache: Total cache size (in pairs): 1769, Positive cache size: 807, Positive conditional cache size: 318, Positive unconditional cache size: 489, Negative cache size: 962, Negative conditional cache size: 957, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 468424 ], Independence queries for same thread: 315538 - PositiveResult [Line: 722]: 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 with 1 thread instances CFG has 5 procedures, 88 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 92.7s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 8, EmptinessCheckTime: 80.7s, 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: 589, 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, 0.4s SatisfiabilityAnalysisTime, 8.3s InterpolantComputationTime, 2058 NumberOfCodeBlocks, 2058 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 2802 ConstructedInterpolants, 0 QuantifiedInterpolants, 11268 SizeOfPredicates, 159 NumberOfNonLiveVariables, 2071 ConjunctsInSsa, 196 ConjunctsInUnsatCore, 24 InterpolantComputations, 2 PerfectInterpolantSequences, 4123/13158 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, ConditionalCommutativityCheckTime: 8.2s, ConditionalCommutativityIAIntegrations: 4, ConditionalCommutativityDFSRestarts: 1, ConditionalCommutativityConditionCalculations: 40, ConditionalCommutativityTraceChecks: 10, ConditionalCommutativityImperfectProofs: 5 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-07 20:21:00,533 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-05-07 20:21:00,734 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...