/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 DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 50 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-05 17:32:19,769 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-05 17:32:19,850 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-05 17:32:19,855 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-05 17:32:19,855 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-05 17:32:19,876 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-05 17:32:19,877 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-05 17:32:19,877 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-05 17:32:19,878 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-05 17:32:19,878 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-05 17:32:19,879 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-05 17:32:19,879 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-05 17:32:19,879 INFO L153 SettingsManager]: * Use SBE=true [2024-04-05 17:32:19,880 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-05 17:32:19,880 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-05 17:32:19,880 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-05 17:32:19,881 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-05 17:32:19,881 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-05 17:32:19,881 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-05 17:32:19,882 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-05 17:32:19,882 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-05 17:32:19,882 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-05 17:32:19,883 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-05 17:32:19,883 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-05 17:32:19,883 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-05 17:32:19,884 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-05 17:32:19,884 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-05 17:32:19,884 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-05 17:32:19,884 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-05 17:32:19,885 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 17:32:19,885 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-05 17:32:19,885 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-05 17:32:19,885 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-05 17:32:19,886 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-05 17:32:19,886 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-05 17:32:19,886 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-05 17:32:19,886 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-05 17:32:19,886 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-05 17:32:19,887 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-05 17:32:19,887 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 50 [2024-04-05 17:32:20,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-05 17:32:20,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-05 17:32:20,169 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-05 17:32:20,170 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-05 17:32:20,170 INFO L274 PluginConnector]: CDTParser initialized [2024-04-05 17:32:20,171 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c [2024-04-05 17:32:21,256 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-05 17:32:21,461 INFO L384 CDTParser]: Found 1 translation units. [2024-04-05 17:32:21,462 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c [2024-04-05 17:32:21,469 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/86ae864c0/b64e8d06819b474f9e5aa9599d628e76/FLAGc59aff905 [2024-04-05 17:32:21,484 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/86ae864c0/b64e8d06819b474f9e5aa9599d628e76 [2024-04-05 17:32:21,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-05 17:32:21,487 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-05 17:32:21,488 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-05 17:32:21,488 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-05 17:32:21,492 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-05 17:32:21,493 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 05:32:21" (1/1) ... [2024-04-05 17:32:21,493 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a496008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:32:21, skipping insertion in model container [2024-04-05 17:32:21,493 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 05:32:21" (1/1) ... [2024-04-05 17:32:21,514 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-05 17:32:21,667 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c[3027,3040] [2024-04-05 17:32:21,672 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 17:32:21,680 INFO L202 MainTranslator]: Completed pre-run [2024-04-05 17:32:21,700 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c[3027,3040] [2024-04-05 17:32:21,701 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 17:32:21,710 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 17:32:21,710 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 17:32:21,716 INFO L206 MainTranslator]: Completed translation [2024-04-05 17:32:21,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:32:21 WrapperNode [2024-04-05 17:32:21,716 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-05 17:32:21,717 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-05 17:32:21,717 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-05 17:32:21,718 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-05 17:32:21,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:32:21" (1/1) ... [2024-04-05 17:32:21,732 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:32:21" (1/1) ... [2024-04-05 17:32:21,752 INFO L138 Inliner]: procedures = 22, calls = 45, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 148 [2024-04-05 17:32:21,753 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-05 17:32:21,753 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-05 17:32:21,754 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-05 17:32:21,754 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-05 17:32:21,767 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:32:21" (1/1) ... [2024-04-05 17:32:21,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:32:21" (1/1) ... [2024-04-05 17:32:21,769 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:32:21" (1/1) ... [2024-04-05 17:32:21,770 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:32:21" (1/1) ... [2024-04-05 17:32:21,774 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:32:21" (1/1) ... [2024-04-05 17:32:21,789 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:32:21" (1/1) ... [2024-04-05 17:32:21,791 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:32:21" (1/1) ... [2024-04-05 17:32:21,792 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:32:21" (1/1) ... [2024-04-05 17:32:21,794 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-05 17:32:21,795 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-05 17:32:21,795 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-05 17:32:21,795 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-05 17:32:21,796 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:32:21" (1/1) ... [2024-04-05 17:32:21,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 17:32:21,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 17:32:21,835 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) [2024-04-05 17:32:21,837 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 [2024-04-05 17:32:21,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-05 17:32:21,878 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-05 17:32:21,878 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-05 17:32:21,879 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-05 17:32:21,879 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-05 17:32:21,879 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-05 17:32:21,880 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-05 17:32:21,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-05 17:32:21,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-05 17:32:21,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-05 17:32:21,881 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-05 17:32:21,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-05 17:32:21,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-05 17:32:21,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-05 17:32:21,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-05 17:32:21,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-05 17:32:21,885 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-05 17:32:22,015 INFO L241 CfgBuilder]: Building ICFG [2024-04-05 17:32:22,019 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-05 17:32:22,313 INFO L282 CfgBuilder]: Performing block encoding [2024-04-05 17:32:22,400 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-05 17:32:22,400 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-04-05 17:32:22,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 05:32:22 BoogieIcfgContainer [2024-04-05 17:32:22,402 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-05 17:32:22,405 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-05 17:32:22,405 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-05 17:32:22,414 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-05 17:32:22,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 05:32:21" (1/3) ... [2024-04-05 17:32:22,415 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6163bff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 05:32:22, skipping insertion in model container [2024-04-05 17:32:22,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:32:21" (2/3) ... [2024-04-05 17:32:22,415 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6163bff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 05:32:22, skipping insertion in model container [2024-04-05 17:32:22,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 05:32:22" (3/3) ... [2024-04-05 17:32:22,416 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-5.wvr.c [2024-04-05 17:32:22,423 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-05 17:32:22,431 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-05 17:32:22,432 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-05 17:32:22,432 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-05 17:32:22,490 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-05 17:32:22,538 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 17:32:22,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 17:32:22,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 17:32:22,540 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) [2024-04-05 17:32:22,541 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 [2024-04-05 17:32:22,571 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 17:32:22,582 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 17:32:22,583 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 17:32:22,590 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;@20501010, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=50, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-05 17:32:22,591 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-05 17:32:22,941 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 17:32:22,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 17:32:22,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1999319866, now seen corresponding path program 1 times [2024-04-05 17:32:22,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 17:32:22,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129318919] [2024-04-05 17:32:22,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:32:22,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:32:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:32:23,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 17:32:23,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 17:32:23,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129318919] [2024-04-05 17:32:23,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129318919] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 17:32:23,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 17:32:23,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-05 17:32:23,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394421822] [2024-04-05 17:32:23,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 17:32:23,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-05 17:32:23,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 17:32:23,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-05 17:32:23,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-05 17:32:23,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:32:23,262 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 17:32:23,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 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) [2024-04-05 17:32:23,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:32:23,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:32:23,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-05 17:32:23,350 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 17:32:23,350 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 17:32:23,350 INFO L85 PathProgramCache]: Analyzing trace with hash -1015584037, now seen corresponding path program 1 times [2024-04-05 17:32:23,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 17:32:23,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685079853] [2024-04-05 17:32:23,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:32:23,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:32:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:32:23,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 17:32:23,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 17:32:23,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685079853] [2024-04-05 17:32:23,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685079853] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 17:32:23,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 17:32:23,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-04-05 17:32:23,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734263255] [2024-04-05 17:32:23,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 17:32:23,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-05 17:32:23,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 17:32:23,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-05 17:32:23,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-04-05 17:32:23,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:32:23,866 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 17:32:23,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 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) [2024-04-05 17:32:23,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:32:23,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:32:24,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:32:24,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-05 17:32:24,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-05 17:32:24,102 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 17:32:24,103 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 17:32:24,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1560678755, now seen corresponding path program 1 times [2024-04-05 17:32:24,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 17:32:24,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477899635] [2024-04-05 17:32:24,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:32:24,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:32:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:32:24,559 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 17:32:24,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 17:32:24,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477899635] [2024-04-05 17:32:24,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477899635] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 17:32:24,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1067781304] [2024-04-05 17:32:24,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:32:24,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 17:32:24,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 17:32:24,598 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) [2024-04-05 17:32:24,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-05 17:32:24,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:32:24,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-05 17:32:24,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 17:32:24,901 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 17:32:24,901 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 17:32:25,039 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 17:32:25,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1067781304] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 17:32:25,040 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 17:32:25,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 14 [2024-04-05 17:32:25,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410954631] [2024-04-05 17:32:25,040 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 17:32:25,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-05 17:32:25,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 17:32:25,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-05 17:32:25,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-04-05 17:32:25,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:32:25,049 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 17:32:25,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.642857142857142) internal successors, (149), 14 states have internal predecessors, (149), 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) [2024-04-05 17:32:25,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:32:25,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-05 17:32:25,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:32:25,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:32:25,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:32:25,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-05 17:32:25,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-05 17:32:25,579 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,SelfDestructingSolverStorable2 [2024-04-05 17:32:25,580 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 17:32:25,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 17:32:25,580 INFO L85 PathProgramCache]: Analyzing trace with hash 949234814, now seen corresponding path program 1 times [2024-04-05 17:32:25,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 17:32:25,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79417339] [2024-04-05 17:32:25,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:32:25,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:32:25,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:32:25,909 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 17:32:25,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 17:32:25,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79417339] [2024-04-05 17:32:25,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79417339] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 17:32:25,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127978681] [2024-04-05 17:32:25,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:32:25,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 17:32:25,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 17:32:25,917 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) [2024-04-05 17:32:25,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-05 17:32:26,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:32:26,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 6 conjunts are in the unsatisfiable core [2024-04-05 17:32:26,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 17:32:26,088 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-05 17:32:26,089 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-05 17:32:26,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1127978681] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 17:32:26,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-05 17:32:26,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2024-04-05 17:32:26,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528147126] [2024-04-05 17:32:26,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 17:32:26,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-05 17:32:26,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 17:32:26,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-05 17:32:26,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-04-05 17:32:26,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:32:26,091 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 17:32:26,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 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) [2024-04-05 17:32:26,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:32:26,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:32:26,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-05 17:32:26,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:32:26,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:32:26,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:32:26,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-05 17:32:26,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:32:26,268 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-05 17:32:26,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 17:32:26,469 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 17:32:26,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 17:32:26,469 INFO L85 PathProgramCache]: Analyzing trace with hash 2021783021, now seen corresponding path program 1 times [2024-04-05 17:32:26,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 17:32:26,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102355964] [2024-04-05 17:32:26,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:32:26,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:32:26,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:32:26,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 17:32:26,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 17:32:26,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102355964] [2024-04-05 17:32:26,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102355964] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 17:32:26,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 17:32:26,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-05 17:32:26,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617767514] [2024-04-05 17:32:26,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 17:32:26,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-05 17:32:26,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 17:32:26,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-05 17:32:26,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-04-05 17:32:26,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:32:26,626 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 17:32:26,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 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) [2024-04-05 17:32:26,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:32:26,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:32:26,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-05 17:32:26,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:32:26,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:32:27,777 INFO L85 PathProgramCache]: Analyzing trace with hash -507862098, now seen corresponding path program 1 times [2024-04-05 17:32:27,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:32:27,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:32:27,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 17:32:27,796 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 17:32:27,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 17:32:28,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1354522079, now seen corresponding path program 1 times [2024-04-05 17:32:28,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:32:28,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:32:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 17:32:28,121 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 17:32:28,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 17:32:28,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:32:28,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:32:28,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-05 17:32:28,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:32:28,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 17:32:28,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5 [2024-04-05 17:32:28,210 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 17:32:28,210 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 17:32:28,210 INFO L85 PathProgramCache]: Analyzing trace with hash 739883248, now seen corresponding path program 1 times [2024-04-05 17:32:28,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 17:32:28,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966805496] [2024-04-05 17:32:28,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:32:28,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:32:28,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:32:28,527 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 17:32:28,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 17:32:28,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966805496] [2024-04-05 17:32:28,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966805496] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 17:32:28,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525792957] [2024-04-05 17:32:28,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:32:28,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 17:32:28,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 17:32:28,529 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) [2024-04-05 17:32:28,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-05 17:32:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:32:28,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 13 conjunts are in the unsatisfiable core [2024-04-05 17:32:28,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 17:32:28,763 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 17:32:28,763 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 17:32:28,910 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 17:32:28,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [525792957] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 17:32:28,911 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 17:32:28,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 19 [2024-04-05 17:32:28,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401812114] [2024-04-05 17:32:28,911 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 17:32:28,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-04-05 17:32:28,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 17:32:28,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-04-05 17:32:28,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2024-04-05 17:32:28,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:32:28,913 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 17:32:28,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 10.052631578947368) internal successors, (191), 19 states have internal predecessors, (191), 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) [2024-04-05 17:32:28,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:32:28,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:32:28,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-05 17:32:28,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:32:28,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 17:32:28,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:32:31,435 INFO L85 PathProgramCache]: Analyzing trace with hash -507862098, now seen corresponding path program 2 times [2024-04-05 17:32:31,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:32:31,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:32:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 17:32:31,475 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 17:32:31,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 17:32:31,821 INFO L85 PathProgramCache]: Analyzing trace with hash -15515715, now seen corresponding path program 1 times [2024-04-05 17:32:31,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:32:31,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:32:31,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:32:32,043 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 14 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 17:32:32,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:32:32,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:32:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:32:32,266 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 14 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 17:32:32,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:32:32,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:32:32,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-05 17:32:32,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:32:32,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 17:32:32,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-05 17:32:32,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-05 17:32:32,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable10,SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 17:32:32,549 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 17:32:32,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 17:32:32,549 INFO L85 PathProgramCache]: Analyzing trace with hash -796462674, now seen corresponding path program 1 times [2024-04-05 17:32:32,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 17:32:32,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181374690] [2024-04-05 17:32:32,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:32:32,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:32:32,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:32:32,954 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 127 proven. 25 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-04-05 17:32:32,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 17:32:32,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181374690] [2024-04-05 17:32:32,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181374690] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 17:32:32,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1438475461] [2024-04-05 17:32:32,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:32:32,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 17:32:32,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 17:32:32,956 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) [2024-04-05 17:32:32,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-05 17:32:33,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:32:33,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 6 conjunts are in the unsatisfiable core [2024-04-05 17:32:33,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 17:32:33,156 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 128 proven. 22 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-04-05 17:32:33,156 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 17:32:33,251 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 133 proven. 17 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-04-05 17:32:33,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1438475461] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 17:32:33,251 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 17:32:33,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2024-04-05 17:32:33,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569126724] [2024-04-05 17:32:33,251 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 17:32:33,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-04-05 17:32:33,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 17:32:33,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-04-05 17:32:33,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-04-05 17:32:33,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:32:33,253 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 17:32:33,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 14.181818181818182) internal successors, (156), 11 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) [2024-04-05 17:32:33,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:32:33,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:32:33,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-05 17:32:33,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:32:33,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 17:32:33,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-05 17:32:33,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:32:35,622 INFO L85 PathProgramCache]: Analyzing trace with hash -507862098, now seen corresponding path program 3 times [2024-04-05 17:32:35,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:32:35,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:32:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 17:32:35,641 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 17:32:35,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 17:32:35,832 INFO L85 PathProgramCache]: Analyzing trace with hash 275465182, now seen corresponding path program 1 times [2024-04-05 17:32:35,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:32:35,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:32:35,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 17:32:35,858 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 17:32:35,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 17:32:36,132 INFO L85 PathProgramCache]: Analyzing trace with hash 736780969, now seen corresponding path program 2 times [2024-04-05 17:32:36,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:32:36,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:32:36,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:32:36,319 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 17:32:36,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:32:36,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:32:36,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:32:36,474 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 17:32:36,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1805487903, now seen corresponding path program 3 times [2024-04-05 17:32:36,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:32:36,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:32:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:32:36,815 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 17:32:36,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:32:36,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:32:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:32:36,970 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 17:32:37,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1805486910, now seen corresponding path program 4 times [2024-04-05 17:32:37,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:32:37,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:32:37,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:32:37,369 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 17:32:37,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:32:37,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:32:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:32:37,521 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 17:32:38,111 INFO L85 PathProgramCache]: Analyzing trace with hash 236964642, now seen corresponding path program 2 times [2024-04-05 17:32:38,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:32:38,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:32:38,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:32:38,245 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 14 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 17:32:38,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:32:38,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:32:38,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:32:38,416 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 14 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 17:32:38,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:32:38,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:32:38,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-05 17:32:38,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:32:38,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 17:32:38,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-05 17:32:38,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-05 17:32:38,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-05 17:32:38,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-04-05 17:32:38,781 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 17:32:38,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 17:32:38,782 INFO L85 PathProgramCache]: Analyzing trace with hash 336700328, now seen corresponding path program 1 times [2024-04-05 17:32:38,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 17:32:38,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091639628] [2024-04-05 17:32:38,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:32:38,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:32:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:32:39,058 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-04-05 17:32:39,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 17:32:39,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091639628] [2024-04-05 17:32:39,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091639628] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 17:32:39,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 17:32:39,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-05 17:32:39,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206252260] [2024-04-05 17:32:39,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 17:32:39,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-05 17:32:39,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 17:32:39,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-05 17:32:39,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-04-05 17:32:39,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:32:39,061 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 17:32:39,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 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) [2024-04-05 17:32:39,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:32:39,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:32:39,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-05 17:32:39,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:32:39,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 17:32:39,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-05 17:32:39,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-05 17:32:39,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:32:41,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:32:41,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:32:41,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-05 17:32:41,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:32:41,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 17:32:41,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-05 17:32:41,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-05 17:32:41,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 17:32:41,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-04-05 17:32:41,436 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 17:32:41,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 17:32:41,436 INFO L85 PathProgramCache]: Analyzing trace with hash 980430480, now seen corresponding path program 2 times [2024-04-05 17:32:41,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 17:32:41,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297414000] [2024-04-05 17:32:41,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:32:41,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:32:41,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:32:41,602 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 34 proven. 20 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-04-05 17:32:41,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 17:32:41,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297414000] [2024-04-05 17:32:41,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297414000] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 17:32:41,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675880290] [2024-04-05 17:32:41,602 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 17:32:41,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 17:32:41,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 17:32:41,605 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) [2024-04-05 17:32:41,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-05 17:32:41,719 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 17:32:41,720 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 17:32:41,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-05 17:32:41,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 17:32:41,833 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 34 proven. 23 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-05 17:32:41,833 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 17:32:41,924 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 34 proven. 20 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-04-05 17:32:41,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1675880290] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 17:32:41,925 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 17:32:41,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 10 [2024-04-05 17:32:41,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229894637] [2024-04-05 17:32:41,925 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 17:32:41,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-05 17:32:41,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 17:32:41,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-05 17:32:41,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-04-05 17:32:41,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:32:41,926 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 17:32:41,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.4) internal successors, (144), 10 states have internal predecessors, (144), 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) [2024-04-05 17:32:41,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:32:41,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:32:41,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-05 17:32:41,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:32:41,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 17:32:41,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-05 17:32:41,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-05 17:32:41,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-05 17:32:41,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:32:44,999 INFO L85 PathProgramCache]: Analyzing trace with hash -507862098, now seen corresponding path program 4 times [2024-04-05 17:32:45,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:32:45,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:32:45,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 17:32:45,020 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 17:32:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 17:32:45,331 INFO L85 PathProgramCache]: Analyzing trace with hash 275465182, now seen corresponding path program 2 times [2024-04-05 17:32:45,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:32:45,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:32:45,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 17:32:45,349 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 17:32:45,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 17:32:45,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1504670733, now seen corresponding path program 5 times [2024-04-05 17:32:45,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:32:45,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:32:45,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 17:32:45,852 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 17:32:45,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 17:32:45,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:32:45,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:32:45,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-05 17:32:45,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:32:45,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 17:32:45,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-05 17:32:45,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-05 17:32:45,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 17:32:45,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:32:45,963 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-05 17:32:46,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26 [2024-04-05 17:32:46,163 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 17:32:46,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 17:32:46,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1696302686, now seen corresponding path program 2 times [2024-04-05 17:32:46,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 17:32:46,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982307563] [2024-04-05 17:32:46,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:32:46,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:32:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:32:46,548 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 79 proven. 35 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-05 17:32:46,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 17:32:46,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982307563] [2024-04-05 17:32:46,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982307563] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 17:32:46,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798759871] [2024-04-05 17:32:46,549 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 17:32:46,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 17:32:46,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 17:32:46,550 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) [2024-04-05 17:32:46,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-05 17:32:46,664 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 17:32:46,664 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 17:32:46,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 19 conjunts are in the unsatisfiable core [2024-04-05 17:32:46,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 17:32:46,824 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 64 proven. 50 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-05 17:32:46,825 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 17:32:47,054 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 78 proven. 36 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-05 17:32:47,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [798759871] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 17:32:47,055 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 17:32:47,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 25 [2024-04-05 17:32:47,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305376084] [2024-04-05 17:32:47,057 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 17:32:47,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-04-05 17:32:47,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 17:32:47,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-04-05 17:32:47,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=446, Unknown=0, NotChecked=0, Total=600 [2024-04-05 17:32:47,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:32:47,059 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 17:32:47,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 10.16) internal successors, (254), 25 states have internal predecessors, (254), 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) [2024-04-05 17:32:47,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:32:47,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:32:47,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-05 17:32:47,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:32:47,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 17:32:47,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-05 17:32:47,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-05 17:32:47,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-05 17:32:47,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:32:47,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:33:04,093 INFO L85 PathProgramCache]: Analyzing trace with hash 275465182, now seen corresponding path program 3 times [2024-04-05 17:33:04,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:33:04,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:33:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 17:33:04,109 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 17:33:04,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 17:33:04,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1404902414, now seen corresponding path program 4 times [2024-04-05 17:33:04,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:33:04,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:33:04,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 17:33:04,569 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 17:33:04,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 17:33:05,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:33:05,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:33:05,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-05 17:33:05,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:33:05,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 17:33:05,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-05 17:33:05,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-05 17:33:05,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 17:33:05,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:33:05,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-04-05 17:33:05,305 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-05 17:33:05,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-04-05 17:33:05,503 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 17:33:05,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 17:33:05,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1784991100, now seen corresponding path program 3 times [2024-04-05 17:33:05,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 17:33:05,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542757383] [2024-04-05 17:33:05,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:33:05,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:33:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:33:05,830 INFO L134 CoverageAnalysis]: Checked inductivity of 733 backedges. 349 proven. 0 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2024-04-05 17:33:05,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 17:33:05,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542757383] [2024-04-05 17:33:05,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542757383] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 17:33:05,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 17:33:05,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-05 17:33:05,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621560936] [2024-04-05 17:33:05,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 17:33:05,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-05 17:33:05,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 17:33:05,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-05 17:33:05,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-04-05 17:33:05,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:33:05,834 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 17:33:05,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 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) [2024-04-05 17:33:05,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:33:05,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:33:05,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-05 17:33:05,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:33:05,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 17:33:05,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-05 17:33:05,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-05 17:33:05,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-05 17:33:05,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:33:05,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-04-05 17:33:05,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:33:24,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:33:24,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:33:24,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-05 17:33:24,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:33:24,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 17:33:24,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-05 17:33:24,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-05 17:33:24,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 17:33:24,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:33:24,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-04-05 17:33:24,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 17:33:24,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-04-05 17:33:24,156 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 17:33:24,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 17:33:24,156 INFO L85 PathProgramCache]: Analyzing trace with hash -150933420, now seen corresponding path program 4 times [2024-04-05 17:33:24,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 17:33:24,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084884007] [2024-04-05 17:33:24,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:33:24,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:33:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:33:24,711 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 211 proven. 99 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-04-05 17:33:24,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 17:33:24,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084884007] [2024-04-05 17:33:24,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084884007] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 17:33:24,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1705872708] [2024-04-05 17:33:24,711 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-05 17:33:24,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 17:33:24,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 17:33:24,715 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) [2024-04-05 17:33:24,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-05 17:33:24,855 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-05 17:33:24,855 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 17:33:24,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 16 conjunts are in the unsatisfiable core [2024-04-05 17:33:24,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 17:33:25,028 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 205 proven. 108 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-04-05 17:33:25,028 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 17:33:25,244 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 211 proven. 99 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-04-05 17:33:25,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1705872708] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 17:33:25,244 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 17:33:25,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 11] total 18 [2024-04-05 17:33:25,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66451631] [2024-04-05 17:33:25,245 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 17:33:25,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-05 17:33:25,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 17:33:25,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-05 17:33:25,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=204, Unknown=0, NotChecked=0, Total=306 [2024-04-05 17:33:25,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:33:25,247 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 17:33:25,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 13.555555555555555) internal successors, (244), 18 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) [2024-04-05 17:33:25,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:33:25,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:33:25,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-05 17:33:25,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:33:25,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 17:33:25,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-05 17:33:25,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-05 17:33:25,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-05 17:33:25,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:33:25,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-04-05 17:33:25,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 17:33:25,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:34:06,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1404902414, now seen corresponding path program 5 times [2024-04-05 17:34:06,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:34:06,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:34:06,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 17:34:06,758 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 17:34:06,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 17:34:07,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1805397054, now seen corresponding path program 6 times [2024-04-05 17:34:07,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:34:07,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:34:07,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 17:34:07,791 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 17:34:07,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 17:34:08,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1779141522, now seen corresponding path program 7 times [2024-04-05 17:34:08,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:34:08,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:34:08,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 17:34:08,518 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 17:34:08,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 17:34:09,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1900940130, now seen corresponding path program 8 times [2024-04-05 17:34:09,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:34:09,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:34:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 17:34:09,344 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 17:34:09,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 17:34:10,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:34:10,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:34:10,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-05 17:34:10,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:34:10,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 17:34:10,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-05 17:34:10,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-05 17:34:10,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 17:34:10,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:34:10,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-04-05 17:34:10,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-05 17:34:10,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 17:34:10,379 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-05 17:34:10,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34,SelfDestructingSolverStorable35,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 17:34:10,573 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 17:34:10,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 17:34:10,573 INFO L85 PathProgramCache]: Analyzing trace with hash 224039482, now seen corresponding path program 3 times [2024-04-05 17:34:10,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 17:34:10,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358970941] [2024-04-05 17:34:10,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:34:10,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:34:10,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:34:11,394 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 433 proven. 193 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-04-05 17:34:11,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 17:34:11,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358970941] [2024-04-05 17:34:11,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358970941] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 17:34:11,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1330727019] [2024-04-05 17:34:11,394 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 17:34:11,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 17:34:11,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 17:34:11,420 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) [2024-04-05 17:34:11,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-05 17:34:11,607 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-04-05 17:34:11,607 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 17:34:11,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 31 conjunts are in the unsatisfiable core [2024-04-05 17:34:11,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 17:34:11,871 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 398 proven. 228 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-04-05 17:34:11,872 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 17:34:12,261 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 432 proven. 194 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-04-05 17:34:12,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1330727019] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 17:34:12,262 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 17:34:12,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21, 21] total 37 [2024-04-05 17:34:12,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618888191] [2024-04-05 17:34:12,262 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 17:34:12,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-04-05 17:34:12,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 17:34:12,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-04-05 17:34:12,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=412, Invalid=920, Unknown=0, NotChecked=0, Total=1332 [2024-04-05 17:34:12,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:34:12,265 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 17:34:12,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 10.27027027027027) internal successors, (380), 37 states have internal predecessors, (380), 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) [2024-04-05 17:34:12,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:34:12,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:34:12,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-05 17:34:12,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:34:12,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 17:34:12,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-05 17:34:12,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-05 17:34:12,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-05 17:34:12,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 17:34:12,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-04-05 17:34:12,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-05 17:34:12,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 17:34:12,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2024-04-05 17:40:41,940 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-04-05 17:40:41,975 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-05 17:40:41,976 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-05 17:40:41,976 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-05 17:40:42,133 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,SelfDestructingSolverStorable36 [2024-04-05 17:40:42,133 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2024-04-05 17:40:42,136 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-04-05 17:40:42,136 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-04-05 17:40:42,136 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-04-05 17:40:42,136 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-04-05 17:40:42,141 INFO L445 BasicCegarLoop]: Path program histogram: [8, 5, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1] [2024-04-05 17:40:42,144 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-05 17:40:42,144 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-05 17:40:42,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 05:40:42 BasicIcfg [2024-04-05 17:40:42,147 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-05 17:40:42,147 INFO L158 Benchmark]: Toolchain (without parser) took 500660.46ms. Allocated memory was 253.8MB in the beginning and 8.0GB in the end (delta: 7.7GB). Free memory was 183.5MB in the beginning and 5.4GB in the end (delta: -5.2GB). Peak memory consumption was 2.6GB. Max. memory is 8.0GB. [2024-04-05 17:40:42,147 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 253.8MB. Free memory is still 220.7MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-05 17:40:42,148 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.58ms. Allocated memory is still 253.8MB. Free memory was 183.2MB in the beginning and 171.6MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-05 17:40:42,148 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.61ms. Allocated memory is still 253.8MB. Free memory was 171.6MB in the beginning and 169.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-05 17:40:42,148 INFO L158 Benchmark]: Boogie Preprocessor took 40.58ms. Allocated memory is still 253.8MB. Free memory was 169.8MB in the beginning and 168.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-05 17:40:42,148 INFO L158 Benchmark]: RCFGBuilder took 607.47ms. Allocated memory is still 253.8MB. Free memory was 168.3MB in the beginning and 219.0MB in the end (delta: -50.7MB). Peak memory consumption was 25.6MB. Max. memory is 8.0GB. [2024-04-05 17:40:42,149 INFO L158 Benchmark]: TraceAbstraction took 499742.04ms. Allocated memory was 253.8MB in the beginning and 8.0GB in the end (delta: 7.7GB). Free memory was 218.0MB in the beginning and 5.4GB in the end (delta: -5.2GB). Peak memory consumption was 2.6GB. Max. memory is 8.0GB. [2024-04-05 17:40:42,150 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 253.8MB. Free memory is still 220.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 228.58ms. Allocated memory is still 253.8MB. Free memory was 183.2MB in the beginning and 171.6MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.61ms. Allocated memory is still 253.8MB. Free memory was 171.6MB in the beginning and 169.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 40.58ms. Allocated memory is still 253.8MB. Free memory was 169.8MB in the beginning and 168.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 607.47ms. Allocated memory is still 253.8MB. Free memory was 168.3MB in the beginning and 219.0MB in the end (delta: -50.7MB). Peak memory consumption was 25.6MB. Max. memory is 8.0GB. * TraceAbstraction took 499742.04ms. Allocated memory was 253.8MB in the beginning and 8.0GB in the end (delta: 7.7GB). Free memory was 218.0MB in the beginning and 5.4GB in the end (delta: -5.2GB). Peak memory consumption was 2.6GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 38222889, independent: 36066717, independent conditional: 36066254, independent unconditional: 463, dependent: 2156172, dependent conditional: 2155921, dependent unconditional: 251, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 36067080, independent: 36066717, independent conditional: 36066254, independent unconditional: 463, dependent: 363, dependent conditional: 363, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36067080, independent: 36066717, independent conditional: 36066254, independent unconditional: 463, dependent: 363, dependent conditional: 363, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 36067080, independent: 36066717, independent conditional: 36066254, independent unconditional: 463, dependent: 363, dependent conditional: 363, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36070117, independent: 36066717, independent conditional: 363486, independent unconditional: 35703231, dependent: 3400, dependent conditional: 2320, dependent unconditional: 1080, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 36070117, independent: 36066717, independent conditional: 363435, independent unconditional: 35703282, dependent: 3400, dependent conditional: 1720, dependent unconditional: 1680, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 36070117, independent: 36066717, independent conditional: 363435, independent unconditional: 35703282, dependent: 3400, dependent conditional: 1720, dependent unconditional: 1680, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 802, independent: 710, independent conditional: 75, independent unconditional: 635, dependent: 92, dependent conditional: 83, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 802, independent: 627, independent conditional: 0, independent unconditional: 627, dependent: 175, dependent conditional: 0, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 175, independent: 83, independent conditional: 75, independent unconditional: 8, dependent: 92, dependent conditional: 83, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 175, independent: 83, independent conditional: 75, independent unconditional: 8, dependent: 92, dependent conditional: 83, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 371, independent: 208, independent conditional: 129, independent unconditional: 79, dependent: 163, dependent conditional: 150, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 36070117, independent: 36066007, independent conditional: 363360, independent unconditional: 35702647, dependent: 3308, dependent conditional: 1637, dependent unconditional: 1671, unknown: 802, unknown conditional: 158, unknown unconditional: 644] , Statistics on independence cache: Total cache size (in pairs): 802, Positive cache size: 710, Positive conditional cache size: 75, Positive unconditional cache size: 635, Negative cache size: 92, Negative conditional cache size: 83, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 651, Maximal queried relation: 10, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36070117, independent: 36066717, independent conditional: 363486, independent unconditional: 35703231, dependent: 3400, dependent conditional: 2320, dependent unconditional: 1080, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 36070117, independent: 36066717, independent conditional: 363435, independent unconditional: 35703282, dependent: 3400, dependent conditional: 1720, dependent unconditional: 1680, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 36070117, independent: 36066717, independent conditional: 363435, independent unconditional: 35703282, dependent: 3400, dependent conditional: 1720, dependent unconditional: 1680, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 802, independent: 710, independent conditional: 75, independent unconditional: 635, dependent: 92, dependent conditional: 83, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 802, independent: 627, independent conditional: 0, independent unconditional: 627, dependent: 175, dependent conditional: 0, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 175, independent: 83, independent conditional: 75, independent unconditional: 8, dependent: 92, dependent conditional: 83, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 175, independent: 83, independent conditional: 75, independent unconditional: 8, dependent: 92, dependent conditional: 83, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 371, independent: 208, independent conditional: 129, independent unconditional: 79, dependent: 163, dependent conditional: 150, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 36070117, independent: 36066007, independent conditional: 363360, independent unconditional: 35702647, dependent: 3308, dependent conditional: 1637, dependent unconditional: 1671, unknown: 802, unknown conditional: 158, unknown unconditional: 644] , Statistics on independence cache: Total cache size (in pairs): 802, Positive cache size: 710, Positive conditional cache size: 75, Positive unconditional cache size: 635, Negative cache size: 92, Negative conditional cache size: 83, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 651 ], Independence queries for same thread: 2155809 - TimeoutResultAtElement [Line: 120]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 114]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 115]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 113]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 136 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 499.6s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 8, EmptinessCheckTime: 489.2s, 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: 296, 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: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 2686 NumberOfCodeBlocks, 2686 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 3627 ConstructedInterpolants, 0 QuantifiedInterpolants, 9504 SizeOfPredicates, 44 NumberOfNonLiveVariables, 2370 ConjunctsInSsa, 111 ConjunctsInUnsatCore, 28 InterpolantComputations, 6 PerfectInterpolantSequences, 3858/5053 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown