/usr/bin/java -Xmx7000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf --traceabstraction.cegar.restart.behaviour ONLY_ONE_CEGAR -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/unroll-4.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-e2ee32c-m [2023-09-08 02:19:47,964 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-08 02:19:48,031 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2023-09-08 02:19:48,036 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-08 02:19:48,036 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-08 02:19:48,037 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-08 02:19:48,068 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-08 02:19:48,069 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-08 02:19:48,069 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-08 02:19:48,073 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-08 02:19:48,073 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-08 02:19:48,074 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-08 02:19:48,074 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-08 02:19:48,075 INFO L153 SettingsManager]: * Use SBE=true [2023-09-08 02:19:48,075 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-08 02:19:48,076 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-08 02:19:48,076 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-08 02:19:48,076 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-08 02:19:48,076 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-08 02:19:48,077 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-08 02:19:48,077 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-08 02:19:48,077 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-08 02:19:48,078 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-08 02:19:48,078 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-08 02:19:48,079 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-08 02:19:48,079 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-08 02:19:48,079 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-08 02:19:48,080 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-08 02:19:48,080 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-08 02:19:48,080 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-08 02:19:48,081 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-08 02:19:48,081 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-08 02:19:48,081 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-08 02:19:48,081 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2023-09-08 02:19:48,081 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-08 02:19:48,081 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-08 02:19:48,082 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-08 02:19:48,082 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-08 02:19:48,082 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-08 02:19:48,082 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-08 02:19:48,082 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2023-09-08 02:19:48,082 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONLY_ONE_CEGAR [2023-09-08 02:19:48,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-08 02:19:48,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-08 02:19:48,327 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-08 02:19:48,327 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-08 02:19:48,328 INFO L274 PluginConnector]: CDTParser initialized [2023-09-08 02:19:48,329 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/unroll-4.wvr.c [2023-09-08 02:19:49,438 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-08 02:19:49,628 INFO L384 CDTParser]: Found 1 translation units. [2023-09-08 02:19:49,628 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-4.wvr.c [2023-09-08 02:19:49,636 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba5449091/f2b6e2557819435f96b6a30b122da729/FLAG65424ac4d [2023-09-08 02:19:49,650 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba5449091/f2b6e2557819435f96b6a30b122da729 [2023-09-08 02:19:49,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-08 02:19:49,656 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-08 02:19:49,658 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-08 02:19:49,658 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-08 02:19:49,662 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-08 02:19:49,662 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 02:19:49" (1/1) ... [2023-09-08 02:19:49,663 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41cbd958 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:19:49, skipping insertion in model container [2023-09-08 02:19:49,663 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 02:19:49" (1/1) ... [2023-09-08 02:19:49,687 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-09-08 02:19:49,808 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/unroll-4.wvr.c[2572,2585] [2023-09-08 02:19:49,815 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-08 02:19:49,823 INFO L202 MainTranslator]: Completed pre-run [2023-09-08 02:19:49,841 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/unroll-4.wvr.c[2572,2585] [2023-09-08 02:19:49,843 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-08 02:19:49,854 INFO L206 MainTranslator]: Completed translation [2023-09-08 02:19:49,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:19:49 WrapperNode [2023-09-08 02:19:49,855 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-08 02:19:49,856 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-08 02:19:49,856 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-08 02:19:49,856 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-08 02:19:49,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:19:49" (1/1) ... [2023-09-08 02:19:49,868 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:19:49" (1/1) ... [2023-09-08 02:19:49,888 INFO L138 Inliner]: procedures = 24, calls = 36, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 158 [2023-09-08 02:19:49,888 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-08 02:19:49,889 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-08 02:19:49,889 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-08 02:19:49,889 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-08 02:19:49,896 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:19:49" (1/1) ... [2023-09-08 02:19:49,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:19:49" (1/1) ... [2023-09-08 02:19:49,899 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:19:49" (1/1) ... [2023-09-08 02:19:49,899 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:19:49" (1/1) ... [2023-09-08 02:19:49,905 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:19:49" (1/1) ... [2023-09-08 02:19:49,908 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:19:49" (1/1) ... [2023-09-08 02:19:49,909 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:19:49" (1/1) ... [2023-09-08 02:19:49,910 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:19:49" (1/1) ... [2023-09-08 02:19:49,913 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-08 02:19:49,913 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-08 02:19:49,914 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-08 02:19:49,914 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-08 02:19:49,914 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:19:49" (1/1) ... [2023-09-08 02:19:49,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-08 02:19:49,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 02:19:49,950 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-09-08 02:19:49,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-09-08 02:19:49,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-08 02:19:49,982 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-09-08 02:19:49,982 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-09-08 02:19:49,983 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-09-08 02:19:49,983 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-09-08 02:19:49,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-08 02:19:49,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-08 02:19:49,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-08 02:19:49,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-09-08 02:19:49,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-08 02:19:49,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-08 02:19:49,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-08 02:19:49,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-08 02:19:49,987 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-08 02:19:50,099 INFO L236 CfgBuilder]: Building ICFG [2023-09-08 02:19:50,101 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-08 02:19:50,413 INFO L277 CfgBuilder]: Performing block encoding [2023-09-08 02:19:50,425 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-08 02:19:50,425 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-09-08 02:19:50,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 02:19:50 BoogieIcfgContainer [2023-09-08 02:19:50,428 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-08 02:19:50,430 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-08 02:19:50,430 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-08 02:19:50,432 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-08 02:19:50,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 02:19:49" (1/3) ... [2023-09-08 02:19:50,434 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c889ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 02:19:50, skipping insertion in model container [2023-09-08 02:19:50,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:19:49" (2/3) ... [2023-09-08 02:19:50,434 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c889ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 02:19:50, skipping insertion in model container [2023-09-08 02:19:50,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 02:19:50" (3/3) ... [2023-09-08 02:19:50,436 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-4.wvr.c [2023-09-08 02:19:50,445 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-08 02:19:50,454 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-08 02:19:50,455 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-09-08 02:19:50,455 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-08 02:19:50,539 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-09-08 02:19:50,577 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 02:19:50,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 02:19:50,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 02:19:50,581 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-08 02:19:50,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-09-08 02:19:50,635 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 02:19:50,642 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 02:19:50,648 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=LoopsAndPotentialCycles, 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;@54a0e58c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 02:19:50,648 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. Found a loop, use abstraction hammer [2023-09-08 02:19:51,071 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 02:19:51,076 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 02:19:51,076 INFO L85 PathProgramCache]: Analyzing trace with hash -478757124, now seen corresponding path program 1 times [2023-09-08 02:19:51,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 02:19:51,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668129568] [2023-09-08 02:19:51,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:19:51,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 02:19:51,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:19:51,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:19:51,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 02:19:51,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668129568] [2023-09-08 02:19:51,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668129568] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 02:19:51,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-08 02:19:51,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-08 02:19:51,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104011225] [2023-09-08 02:19:51,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 02:19:51,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-09-08 02:19:51,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 02:19:51,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-09-08 02:19:51,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-09-08 02:19:51,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:19:51,300 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 02:19:51,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 45.5) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-08 02:19:51,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-08 02:19:51,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:19:51,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-08 02:19:51,629 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 02:19:51,630 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 02:19:51,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1853536922, now seen corresponding path program 1 times [2023-09-08 02:19:51,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 02:19:51,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649879254] [2023-09-08 02:19:51,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:19:51,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 02:19:51,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:19:52,108 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-08 02:19:52,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 02:19:52,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649879254] [2023-09-08 02:19:52,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649879254] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 02:19:52,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-08 02:19:52,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-09-08 02:19:52,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380852171] [2023-09-08 02:19:52,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 02:19:52,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-08 02:19:52,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 02:19:52,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-08 02:19:52,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-09-08 02:19:52,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:19:52,114 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 02:19:52,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-08 02:19:52,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:19:52,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-08 02:19:52,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:19:52,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-08 02:19:52,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-08 02:19:52,422 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 02:19:52,422 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 02:19:52,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1661261852, now seen corresponding path program 1 times [2023-09-08 02:19:52,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 02:19:52,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102559387] [2023-09-08 02:19:52,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:19:52,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 02:19:52,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:19:52,799 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-08 02:19:52,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 02:19:52,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102559387] [2023-09-08 02:19:52,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102559387] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 02:19:52,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243916331] [2023-09-08 02:19:52,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:19:52,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:19:52,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 02:19:52,847 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-08 02:19:52,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-09-08 02:19:52,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:19:52,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 6 conjunts are in the unsatisfiable core [2023-09-08 02:19:52,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 02:19:53,055 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-08 02:19:53,055 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 02:19:53,127 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-08 02:19:53,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243916331] provided 1 perfect and 1 imperfect interpolant sequences [2023-09-08 02:19:53,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-09-08 02:19:53,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 5] total 9 [2023-09-08 02:19:53,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400507945] [2023-09-08 02:19:53,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 02:19:53,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-09-08 02:19:53,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 02:19:53,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-09-08 02:19:53,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-09-08 02:19:53,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:19:53,130 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 02:19:53,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-08 02:19:53,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:19:53,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-09-08 02:19:53,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-08 02:19:53,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:19:53,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-08 02:19:53,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-08 02:19:53,331 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-09-08 02:19:53,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-09-08 02:19:53,526 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 02:19:53,526 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 02:19:53,526 INFO L85 PathProgramCache]: Analyzing trace with hash 2012909545, now seen corresponding path program 1 times [2023-09-08 02:19:53,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 02:19:53,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176350111] [2023-09-08 02:19:53,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:19:53,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 02:19:53,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:19:53,887 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-08 02:19:53,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 02:19:53,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176350111] [2023-09-08 02:19:53,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176350111] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 02:19:53,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1811326795] [2023-09-08 02:19:53,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:19:53,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:19:53,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 02:19:53,897 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-08 02:19:53,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-09-08 02:19:54,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:19:54,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 33 conjunts are in the unsatisfiable core [2023-09-08 02:19:54,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 02:19:54,727 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-09-08 02:19:54,807 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:19:54,808 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 02:19:55,432 INFO L322 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-09-08 02:19:55,432 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2023-09-08 02:19:56,187 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:19:56,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1811326795] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 02:19:56,187 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 02:19:56,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 18, 18] total 33 [2023-09-08 02:19:56,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955497526] [2023-09-08 02:19:56,188 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 02:19:56,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-09-08 02:19:56,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 02:19:56,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-09-08 02:19:56,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=951, Unknown=0, NotChecked=0, Total=1056 [2023-09-08 02:19:56,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:19:56,190 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 02:19:56,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 12.121212121212121) internal successors, (400), 33 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-08 02:19:56,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:19:56,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-09-08 02:19:56,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-08 02:19:56,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-08 02:19:57,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:19:57,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-08 02:19:57,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-08 02:19:57,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-09-08 02:19:57,521 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-09-08 02:19:57,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:19:57,719 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 02:19:57,719 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 02:19:57,720 INFO L85 PathProgramCache]: Analyzing trace with hash -4570401, now seen corresponding path program 2 times [2023-09-08 02:19:57,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 02:19:57,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29543270] [2023-09-08 02:19:57,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:19:57,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 02:19:57,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:19:58,080 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-09-08 02:19:58,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 02:19:58,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29543270] [2023-09-08 02:19:58,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29543270] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 02:19:58,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784698833] [2023-09-08 02:19:58,081 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-08 02:19:58,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:19:58,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 02:19:58,085 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-08 02:19:58,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-09-08 02:19:58,389 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-08 02:19:58,389 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 02:19:58,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 12 conjunts are in the unsatisfiable core [2023-09-08 02:19:58,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 02:19:58,499 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-09-08 02:19:58,499 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 02:19:58,639 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-09-08 02:19:58,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1784698833] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 02:19:58,640 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 02:19:58,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2023-09-08 02:19:58,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167298760] [2023-09-08 02:19:58,643 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 02:19:58,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-09-08 02:19:58,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 02:19:58,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-09-08 02:19:58,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2023-09-08 02:19:58,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:19:58,645 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 02:19:58,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.8) internal successors, (192), 15 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-08 02:19:58,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:19:58,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-09-08 02:19:58,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-08 02:19:58,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-09-08 02:19:58,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-08 02:19:58,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:19:58,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-08 02:19:58,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-08 02:19:58,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-09-08 02:19:58,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-08 02:19:58,895 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-09-08 02:19:59,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:19:59,092 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 02:19:59,093 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 02:19:59,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1156660277, now seen corresponding path program 3 times [2023-09-08 02:19:59,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 02:19:59,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616516239] [2023-09-08 02:19:59,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:19:59,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 02:19:59,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:20:30,130 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:20:30,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 02:20:30,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616516239] [2023-09-08 02:20:30,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616516239] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 02:20:30,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1542220765] [2023-09-08 02:20:30,131 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-08 02:20:30,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:20:30,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 02:20:30,137 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-08 02:20:30,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-09-08 02:20:30,457 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-09-08 02:20:30,457 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 02:20:30,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 61 conjunts are in the unsatisfiable core [2023-09-08 02:20:30,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 02:20:32,541 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-08 02:20:32,542 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 70 [2023-09-08 02:20:32,610 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-08 02:20:32,610 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 02:20:34,104 INFO L322 Elim1Store]: treesize reduction 20, result has 92.7 percent of original size [2023-09-08 02:20:34,105 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 14 new quantified variables, introduced 28 case distinctions, treesize of input 67 treesize of output 304 [2023-09-08 02:20:34,901 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-09-08 02:20:34,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1542220765] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 02:20:34,902 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 02:20:34,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 31, 21] total 94 [2023-09-08 02:20:34,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457313747] [2023-09-08 02:20:34,902 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 02:20:34,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2023-09-08 02:20:34,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 02:20:34,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2023-09-08 02:20:34,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=406, Invalid=8336, Unknown=0, NotChecked=0, Total=8742 [2023-09-08 02:20:34,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:20:34,908 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 02:20:34,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 5.712765957446808) internal successors, (537), 94 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-08 02:20:34,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:20:34,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-09-08 02:20:34,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-08 02:20:34,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-09-08 02:20:34,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-08 02:20:34,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-08 02:20:41,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:20:41,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-08 02:20:41,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-08 02:20:41,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-09-08 02:20:41,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-08 02:20:41,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-09-08 02:20:41,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-09-08 02:20:42,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:20:42,083 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 02:20:42,083 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 02:20:42,083 INFO L85 PathProgramCache]: Analyzing trace with hash -961596479, now seen corresponding path program 4 times [2023-09-08 02:20:42,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 02:20:42,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601061250] [2023-09-08 02:20:42,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:20:42,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 02:20:42,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:20:42,923 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2023-09-08 02:20:42,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 02:20:42,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601061250] [2023-09-08 02:20:42,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601061250] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 02:20:42,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807647069] [2023-09-08 02:20:42,924 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-09-08 02:20:42,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:20:42,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 02:20:42,929 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-08 02:20:42,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-09-08 02:20:43,167 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-09-08 02:20:43,167 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 02:20:43,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 24 conjunts are in the unsatisfiable core [2023-09-08 02:20:43,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 02:20:43,432 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 125 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-09-08 02:20:43,433 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 02:20:44,088 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 125 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-09-08 02:20:44,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1807647069] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 02:20:44,088 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 02:20:44,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 14, 14] total 41 [2023-09-08 02:20:44,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559038169] [2023-09-08 02:20:44,089 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 02:20:44,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2023-09-08 02:20:44,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 02:20:44,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2023-09-08 02:20:44,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=1480, Unknown=0, NotChecked=0, Total=1640 [2023-09-08 02:20:44,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:20:44,091 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 02:20:44,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 8.292682926829269) internal successors, (340), 41 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-08 02:20:44,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:20:44,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-09-08 02:20:44,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-08 02:20:44,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-09-08 02:20:44,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-08 02:20:44,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-09-08 02:20:44,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-08 02:26:01,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:26:01,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-08 02:26:01,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-08 02:26:01,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-09-08 02:26:01,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-08 02:26:01,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-09-08 02:26:01,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2023-09-08 02:26:01,253 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-09-08 02:26:01,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:26:01,449 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 02:26:01,449 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 02:26:01,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1011673206, now seen corresponding path program 5 times [2023-09-08 02:26:01,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 02:26:01,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259755189] [2023-09-08 02:26:01,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:26:01,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 02:26:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2023-09-08 02:33:13,289 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:13,316 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:13,328 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2023-09-08 02:33:13,328 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-08 02:33:13,336 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:13,357 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:13,379 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:13,413 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:13,450 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:13,485 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:13,518 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:13,698 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:13,730 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:13,761 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:13,792 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:13,823 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:13,859 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:13,893 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:13,925 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:13,957 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:13,989 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,020 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,052 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,084 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,115 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,147 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,179 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,202 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,215 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,228 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,241 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,254 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,267 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,280 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,292 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,305 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,317 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,333 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,348 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,356 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2023-09-08 02:33:14,357 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2023-09-08 02:33:14,359 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,365 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,370 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,376 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,382 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,388 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,393 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,399 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,405 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,411 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,414 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,416 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,417 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,419 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,420 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,421 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,423 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,424 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,426 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,427 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,429 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,430 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,431 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,432 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,432 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,433 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,434 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,434 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,435 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,436 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,436 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,437 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,438 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,438 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,439 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,440 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,440 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,441 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,441 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,442 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,443 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,443 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,444 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,444 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,445 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,446 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,446 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,447 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,448 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,448 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,449 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,449 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,450 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,450 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,451 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,451 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,451 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,451 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,451 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,452 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,452 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,452 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,452 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,452 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,452 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,453 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,453 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,453 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,453 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,453 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,453 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,453 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,453 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,453 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,453 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,453 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,454 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,454 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,454 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,454 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,454 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,454 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-09-08 02:33:14,459 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-09-08 02:33:14,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-09-08 02:33:14,459 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 313 with TraceHistMax 8,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 311 interpolants. [2023-09-08 02:33:14,460 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-09-08 02:33:14,460 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-09-08 02:33:14,470 INFO L445 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1] [2023-09-08 02:33:14,472 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-08 02:33:14,472 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-08 02:33:14,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 02:33:14 BasicIcfg [2023-09-08 02:33:14,473 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-08 02:33:14,473 INFO L158 Benchmark]: Toolchain (without parser) took 804817.91ms. Allocated memory was 246.4MB in the beginning and 4.1GB in the end (delta: 3.8GB). Free memory was 200.0MB in the beginning and 1.7GB in the end (delta: -1.5GB). Peak memory consumption was 4.1GB. Max. memory is 7.0GB. [2023-09-08 02:33:14,474 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 158.3MB. Free memory is still 106.3MB. There was no memory consumed. Max. memory is 7.0GB. [2023-09-08 02:33:14,474 INFO L158 Benchmark]: CACSL2BoogieTranslator took 197.13ms. Allocated memory is still 246.4MB. Free memory was 200.0MB in the beginning and 188.4MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. [2023-09-08 02:33:14,474 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.19ms. Allocated memory is still 246.4MB. Free memory was 188.4MB in the beginning and 186.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-08 02:33:14,474 INFO L158 Benchmark]: Boogie Preprocessor took 24.38ms. Allocated memory is still 246.4MB. Free memory was 186.3MB in the beginning and 184.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-08 02:33:14,474 INFO L158 Benchmark]: RCFGBuilder took 514.15ms. Allocated memory is still 246.4MB. Free memory was 184.8MB in the beginning and 166.9MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 7.0GB. [2023-09-08 02:33:14,475 INFO L158 Benchmark]: TraceAbstraction took 804043.56ms. Allocated memory was 246.4MB in the beginning and 4.1GB in the end (delta: 3.8GB). Free memory was 165.9MB in the beginning and 1.7GB in the end (delta: -1.5GB). Peak memory consumption was 4.1GB. Max. memory is 7.0GB. [2023-09-08 02:33:14,476 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 158.3MB. Free memory is still 106.3MB. There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 197.13ms. Allocated memory is still 246.4MB. Free memory was 200.0MB in the beginning and 188.4MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 32.19ms. Allocated memory is still 246.4MB. Free memory was 188.4MB in the beginning and 186.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 24.38ms. Allocated memory is still 246.4MB. Free memory was 186.3MB in the beginning and 184.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * RCFGBuilder took 514.15ms. Allocated memory is still 246.4MB. Free memory was 184.8MB in the beginning and 166.9MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 7.0GB. * TraceAbstraction took 804043.56ms. Allocated memory was 246.4MB in the beginning and 4.1GB in the end (delta: 3.8GB). Free memory was 165.9MB in the beginning and 1.7GB in the end (delta: -1.5GB). Peak memory consumption was 4.1GB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8849, independent: 8098, independent conditional: 8098, independent unconditional: 0, dependent: 751, dependent conditional: 751, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8098, independent: 8098, independent conditional: 8098, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8098, independent: 8098, independent conditional: 8098, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8098, independent: 8098, independent conditional: 0, independent unconditional: 8098, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8098, independent: 8098, independent conditional: 0, independent unconditional: 8098, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8098, independent: 8098, independent conditional: 0, independent unconditional: 8098, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8098, independent: 8098, independent conditional: 0, independent unconditional: 8098, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8098, independent: 8098, independent conditional: 0, independent unconditional: 8098, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 8098, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 8098, unknown conditional: 0, unknown unconditional: 8098] , Statistics on independence cache: Total cache size (in pairs): 8098, Positive cache size: 8098, Positive conditional cache size: 0, Positive unconditional cache size: 8098, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 751 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 19, RedundantProofs: 5, ProvenStates: 915 - TimeoutResultAtElement [Line: 94]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 313 with TraceHistMax 8,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 311 interpolants. - TimeoutResultAtElement [Line: 88]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 313 with TraceHistMax 8,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 311 interpolants. - TimeoutResultAtElement [Line: 89]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 313 with TraceHistMax 8,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 311 interpolants. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 241 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 803.9s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 326.9s, 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: 312, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 40.9s InterpolantComputationTime, 1925 NumberOfCodeBlocks, 1925 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2778 ConstructedInterpolants, 47 QuantifiedInterpolants, 36415 SizeOfPredicates, 78 NumberOfNonLiveVariables, 1712 ConjunctsInSsa, 136 ConjunctsInUnsatCore, 17 InterpolantComputations, 3 PerfectInterpolantSequences, 377/1087 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