/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/NewStatesSleep.epf --traceabstraction.cegar.restart.behaviour ONLY_ONE_CEGAR -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/unroll-cond-3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-e2ee32c-m [2023-09-08 06:09:17,537 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-08 06:09:17,604 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2023-09-08 06:09:17,608 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-08 06:09:17,608 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-08 06:09:17,611 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-08 06:09:17,646 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-08 06:09:17,647 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-08 06:09:17,647 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-08 06:09:17,651 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-08 06:09:17,651 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-08 06:09:17,652 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-08 06:09:17,653 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-08 06:09:17,654 INFO L153 SettingsManager]: * Use SBE=true [2023-09-08 06:09:17,654 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-08 06:09:17,654 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-08 06:09:17,655 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-08 06:09:17,655 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-08 06:09:17,655 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-08 06:09:17,655 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-08 06:09:17,655 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-08 06:09:17,656 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-08 06:09:17,656 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-08 06:09:17,656 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-08 06:09:17,657 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-08 06:09:17,657 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-08 06:09:17,657 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-08 06:09:17,658 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-08 06:09:17,658 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-08 06:09:17,658 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-08 06:09:17,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-08 06:09:17,659 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-08 06:09:17,659 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-08 06:09:17,660 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-08 06:09:17,660 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-08 06:09:17,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-08 06:09:17,660 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-08 06:09:17,660 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-08 06:09:17,661 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-08 06:09:17,661 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2023-09-08 06:09:17,661 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONLY_ONE_CEGAR [2023-09-08 06:09:17,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-08 06:09:17,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-08 06:09:17,923 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-08 06:09:17,924 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-08 06:09:17,924 INFO L274 PluginConnector]: CDTParser initialized [2023-09-08 06:09:17,925 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/unroll-cond-3.wvr.c [2023-09-08 06:09:19,063 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-08 06:09:19,284 INFO L384 CDTParser]: Found 1 translation units. [2023-09-08 06:09:19,285 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-3.wvr.c [2023-09-08 06:09:19,291 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75fd4479c/a6f2e9f8daa74f73b4f6a3ad21acc870/FLAG19c94cd5c [2023-09-08 06:09:19,303 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75fd4479c/a6f2e9f8daa74f73b4f6a3ad21acc870 [2023-09-08 06:09:19,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-08 06:09:19,307 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-08 06:09:19,308 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-08 06:09:19,308 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-08 06:09:19,312 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-08 06:09:19,312 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:09:19" (1/1) ... [2023-09-08 06:09:19,313 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20ae0d11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:19, skipping insertion in model container [2023-09-08 06:09:19,313 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:09:19" (1/1) ... [2023-09-08 06:09:19,333 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-09-08 06:09:19,488 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-cond-3.wvr.c[2641,2654] [2023-09-08 06:09:19,495 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-08 06:09:19,503 INFO L202 MainTranslator]: Completed pre-run [2023-09-08 06:09:19,521 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-cond-3.wvr.c[2641,2654] [2023-09-08 06:09:19,524 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-08 06:09:19,535 INFO L206 MainTranslator]: Completed translation [2023-09-08 06:09:19,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:19 WrapperNode [2023-09-08 06:09:19,535 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-08 06:09:19,536 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-08 06:09:19,536 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-08 06:09:19,536 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-08 06:09:19,542 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:19" (1/1) ... [2023-09-08 06:09:19,555 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:19" (1/1) ... [2023-09-08 06:09:19,578 INFO L138 Inliner]: procedures = 24, calls = 37, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 166 [2023-09-08 06:09:19,579 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-08 06:09:19,579 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-08 06:09:19,579 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-08 06:09:19,580 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-08 06:09:19,587 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:19" (1/1) ... [2023-09-08 06:09:19,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:19" (1/1) ... [2023-09-08 06:09:19,591 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:19" (1/1) ... [2023-09-08 06:09:19,591 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:19" (1/1) ... [2023-09-08 06:09:19,596 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:19" (1/1) ... [2023-09-08 06:09:19,599 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:19" (1/1) ... [2023-09-08 06:09:19,603 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:19" (1/1) ... [2023-09-08 06:09:19,604 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:19" (1/1) ... [2023-09-08 06:09:19,607 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-08 06:09:19,609 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-08 06:09:19,609 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-08 06:09:19,609 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-08 06:09:19,610 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:19" (1/1) ... [2023-09-08 06:09:19,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-08 06:09:19,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 06:09:19,636 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 06:09:19,646 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 06:09:19,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-08 06:09:19,666 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-09-08 06:09:19,666 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-09-08 06:09:19,666 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-09-08 06:09:19,666 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-09-08 06:09:19,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-08 06:09:19,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-08 06:09:19,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-08 06:09:19,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-09-08 06:09:19,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-08 06:09:19,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-08 06:09:19,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-08 06:09:19,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-08 06:09:19,668 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 06:09:19,748 INFO L236 CfgBuilder]: Building ICFG [2023-09-08 06:09:19,749 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-08 06:09:19,976 INFO L277 CfgBuilder]: Performing block encoding [2023-09-08 06:09:19,984 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-08 06:09:19,984 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-09-08 06:09:19,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:09:19 BoogieIcfgContainer [2023-09-08 06:09:19,986 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-08 06:09:19,989 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-08 06:09:19,989 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-08 06:09:19,992 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-08 06:09:19,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 06:09:19" (1/3) ... [2023-09-08 06:09:19,992 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dc7342d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:09:19, skipping insertion in model container [2023-09-08 06:09:19,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:19" (2/3) ... [2023-09-08 06:09:19,993 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dc7342d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:09:19, skipping insertion in model container [2023-09-08 06:09:19,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:09:19" (3/3) ... [2023-09-08 06:09:19,994 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-3.wvr.c [2023-09-08 06:09:20,000 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-08 06:09:20,008 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-08 06:09:20,008 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-09-08 06:09:20,009 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-08 06:09:20,108 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-09-08 06:09:20,148 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 06:09:20,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 06:09:20,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 06:09:20,151 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 06:09:20,152 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 06:09:20,197 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 06:09:20,202 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 06:09:20,209 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;@35de40be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 06:09:20,209 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-09-08 06:09:20,436 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 06:09:20,440 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 06:09:20,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1705293171, now seen corresponding path program 1 times [2023-09-08 06:09:20,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 06:09:20,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670896673] [2023-09-08 06:09:20,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:09:20,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 06:09:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:09:20,702 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 06:09:20,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 06:09:20,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670896673] [2023-09-08 06:09:20,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670896673] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 06:09:20,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-08 06:09:20,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-08 06:09:20,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195868964] [2023-09-08 06:09:20,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 06:09:20,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-09-08 06:09:20,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 06:09:20,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-09-08 06:09:20,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-09-08 06:09:20,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:09:20,735 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 06:09:20,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 56.0) internal successors, (112), 2 states have internal predecessors, (112), 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 06:09:20,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:09:20,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:09:20,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-08 06:09:20,815 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 06:09:20,817 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 06:09:20,817 INFO L85 PathProgramCache]: Analyzing trace with hash 2006863513, now seen corresponding path program 1 times [2023-09-08 06:09:20,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 06:09:20,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25011877] [2023-09-08 06:09:20,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:09:20,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 06:09:20,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:09:21,401 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 06:09:21,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 06:09:21,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25011877] [2023-09-08 06:09:21,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25011877] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 06:09:21,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-08 06:09:21,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-09-08 06:09:21,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195890509] [2023-09-08 06:09:21,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 06:09:21,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-09-08 06:09:21,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 06:09:21,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-09-08 06:09:21,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-09-08 06:09:21,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:09:21,405 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 06:09:21,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 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 06:09:21,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:09:21,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:09:21,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:09:21,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-08 06:09:21,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-08 06:09:21,516 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 06:09:21,517 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 06:09:21,517 INFO L85 PathProgramCache]: Analyzing trace with hash -713129117, now seen corresponding path program 1 times [2023-09-08 06:09:21,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 06:09:21,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387712824] [2023-09-08 06:09:21,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:09:21,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 06:09:21,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:09:21,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 06:09:21,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 06:09:21,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387712824] [2023-09-08 06:09:21,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387712824] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 06:09:21,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420643128] [2023-09-08 06:09:21,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:09:21,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 06:09:21,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 06:09:21,907 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 06:09:21,908 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 06:09:22,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:09:22,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 14 conjunts are in the unsatisfiable core [2023-09-08 06:09:22,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 06:09:22,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 06:09:22,258 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 06:09:22,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 06:09:22,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1420643128] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 06:09:22,554 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 06:09:22,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 15 [2023-09-08 06:09:22,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367537105] [2023-09-08 06:09:22,554 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 06:09:22,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-09-08 06:09:22,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 06:09:22,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-09-08 06:09:22,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2023-09-08 06:09:22,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:09:22,559 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 06:09:22,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.866666666666667) internal successors, (148), 15 states have internal predecessors, (148), 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 06:09:22,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:09:22,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-08 06:09:22,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:09:22,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:09:22,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-08 06:09:22,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-09-08 06:09:22,920 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-09-08 06:09:23,114 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 06:09:23,115 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 06:09:23,115 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 06:09:23,115 INFO L85 PathProgramCache]: Analyzing trace with hash 873716013, now seen corresponding path program 2 times [2023-09-08 06:09:23,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 06:09:23,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667006988] [2023-09-08 06:09:23,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:09:23,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 06:09:23,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:09:23,382 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-09-08 06:09:23,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 06:09:23,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667006988] [2023-09-08 06:09:23,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667006988] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 06:09:23,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-08 06:09:23,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-09-08 06:09:23,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393439646] [2023-09-08 06:09:23,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 06:09:23,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-09-08 06:09:23,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 06:09:23,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-09-08 06:09:23,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-09-08 06:09:23,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:09:23,395 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 06:09:23,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.75) internal successors, (118), 8 states have internal predecessors, (118), 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 06:09:23,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:09:23,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-08 06:09:23,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-09-08 06:09:23,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:09:23,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:09:23,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-08 06:09:23,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-09-08 06:09:23,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:09:23,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-09-08 06:09:23,518 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 06:09:23,518 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 06:09:23,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1107927531, now seen corresponding path program 1 times [2023-09-08 06:09:23,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 06:09:23,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004467839] [2023-09-08 06:09:23,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:09:23,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 06:09:23,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:09:25,066 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 06:09:25,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 06:09:25,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004467839] [2023-09-08 06:09:25,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004467839] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 06:09:25,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [51693643] [2023-09-08 06:09:25,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:09:25,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 06:09:25,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 06:09:25,068 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 06:09:25,093 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 06:09:25,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:09:25,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 47 conjunts are in the unsatisfiable core [2023-09-08 06:09:25,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 06:09:26,435 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 06:09:26,436 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 06:09:27,154 INFO L322 Elim1Store]: treesize reduction 10, result has 84.6 percent of original size [2023-09-08 06:09:27,155 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 6 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 82 [2023-09-08 06:09:27,663 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 06:09:27,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [51693643] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 06:09:27,663 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 06:09:27,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 22] total 52 [2023-09-08 06:09:27,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460352043] [2023-09-08 06:09:27,664 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 06:09:27,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2023-09-08 06:09:27,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 06:09:27,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2023-09-08 06:09:27,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=2329, Unknown=0, NotChecked=0, Total=2652 [2023-09-08 06:09:27,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:09:27,668 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 06:09:27,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 5.961538461538462) internal successors, (310), 52 states have internal predecessors, (310), 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 06:09:27,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:09:27,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-08 06:09:27,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-09-08 06:09:27,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:09:27,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:09:29,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:09:29,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-08 06:09:29,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-09-08 06:09:29,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:09:29,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-09-08 06:09:29,909 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 06:09:30,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 06:09:30,107 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 06:09:30,107 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 06:09:30,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1824167565, now seen corresponding path program 2 times [2023-09-08 06:09:30,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 06:09:30,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914452629] [2023-09-08 06:09:30,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:09:30,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 06:09:30,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:09:30,605 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 2 proven. 37 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-09-08 06:09:30,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 06:09:30,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914452629] [2023-09-08 06:09:30,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914452629] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 06:09:30,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119784180] [2023-09-08 06:09:30,606 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-08 06:09:30,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 06:09:30,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 06:09:30,608 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 06:09:30,619 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 06:09:31,077 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-08 06:09:31,078 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 06:09:31,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 20 conjunts are in the unsatisfiable core [2023-09-08 06:09:31,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 06:09:31,387 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-09-08 06:09:31,388 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 06:09:32,046 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-09-08 06:09:32,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1119784180] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 06:09:32,047 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 06:09:32,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13, 12] total 31 [2023-09-08 06:09:32,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46206794] [2023-09-08 06:09:32,047 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 06:09:32,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-09-08 06:09:32,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 06:09:32,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-09-08 06:09:32,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=723, Unknown=0, NotChecked=0, Total=930 [2023-09-08 06:09:32,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:09:32,050 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 06:09:32,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 7.709677419354839) internal successors, (239), 31 states have internal predecessors, (239), 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 06:09:32,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:09:32,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-08 06:09:32,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-09-08 06:09:32,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:09:32,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-09-08 06:09:32,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:09:33,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:09:33,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-08 06:09:33,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-09-08 06:09:33,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:09:33,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-09-08 06:09:33,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-09-08 06:09:33,437 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-09-08 06:09:33,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 06:09:33,635 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 06:09:33,635 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 06:09:33,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1847539895, now seen corresponding path program 1 times [2023-09-08 06:09:33,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 06:09:33,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499563585] [2023-09-08 06:09:33,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:09:33,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 06:09:33,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:09:34,389 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-09-08 06:09:34,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 06:09:34,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499563585] [2023-09-08 06:09:34,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499563585] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 06:09:34,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [233611104] [2023-09-08 06:09:34,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:09:34,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 06:09:34,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 06:09:34,391 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 06:09:34,405 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 06:09:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:09:34,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 38 conjunts are in the unsatisfiable core [2023-09-08 06:09:34,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 06:09:35,038 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-09-08 06:09:35,038 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 06:09:35,716 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-09-08 06:09:35,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [233611104] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 06:09:35,717 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 06:09:35,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 39 [2023-09-08 06:09:35,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348555985] [2023-09-08 06:09:35,717 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 06:09:35,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-09-08 06:09:35,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 06:09:35,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-09-08 06:09:35,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=1354, Unknown=0, NotChecked=0, Total=1482 [2023-09-08 06:09:35,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:09:35,720 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 06:09:35,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 7.589743589743589) internal successors, (296), 39 states have internal predecessors, (296), 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 06:09:35,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:09:35,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-08 06:09:35,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-09-08 06:09:35,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:09:35,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-09-08 06:09:35,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-09-08 06:09:35,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:09:37,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:09:37,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-08 06:09:37,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-09-08 06:09:37,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:09:37,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-09-08 06:09:37,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-09-08 06:09:37,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-09-08 06:09:37,545 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 06:09:37,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 06:09:37,740 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 06:09:37,741 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 06:09:37,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1666934017, now seen corresponding path program 2 times [2023-09-08 06:09:37,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 06:09:37,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279836001] [2023-09-08 06:09:37,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:09:37,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 06:09:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:09:52,100 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 06:09:52,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 06:09:52,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279836001] [2023-09-08 06:09:52,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279836001] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 06:09:52,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027775209] [2023-09-08 06:09:52,101 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-08 06:09:52,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 06:09:52,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 06:09:52,109 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 06:09:52,115 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 06:09:52,360 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-08 06:09:52,360 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 06:09:52,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 90 conjunts are in the unsatisfiable core [2023-09-08 06:09:52,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 06:09:53,221 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-09-08 06:09:53,781 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-09-08 06:09:53,899 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-09-08 06:09:56,543 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-08 06:09:56,544 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 113 treesize of output 113 [2023-09-08 06:09:56,658 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 06:09:56,658 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 06:10:01,126 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-08 06:10:01,127 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 480 treesize of output 276 [2023-09-08 06:10:01,881 INFO L322 Elim1Store]: treesize reduction 5, result has 98.8 percent of original size [2023-09-08 06:10:01,882 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 18 new quantified variables, introduced 45 case distinctions, treesize of input 600 treesize of output 939 [2023-09-08 06:10:02,892 INFO L322 Elim1Store]: treesize reduction 8, result has 98.1 percent of original size [2023-09-08 06:10:02,892 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 18 new quantified variables, introduced 45 case distinctions, treesize of input 456 treesize of output 720 [2023-09-08 06:10:03,980 INFO L322 Elim1Store]: treesize reduction 8, result has 98.1 percent of original size [2023-09-08 06:10:03,980 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 18 new quantified variables, introduced 45 case distinctions, treesize of input 173 treesize of output 545 [2023-09-08 06:12:46,419 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-09-08 06:13:10,841 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-09-08 06:13:11,397 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-09-08 06:13:13,190 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-09-08 06:13:17,167 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 06:13:17,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027775209] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 06:13:17,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 06:13:17,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 46, 42] total 136 [2023-09-08 06:13:17,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527482397] [2023-09-08 06:13:17,168 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 06:13:17,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 136 states [2023-09-08 06:13:17,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 06:13:17,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2023-09-08 06:13:17,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1071, Invalid=17234, Unknown=55, NotChecked=0, Total=18360 [2023-09-08 06:13:17,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:13:17,177 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 06:13:17,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 136 states, 136 states have (on average 4.367647058823529) internal successors, (594), 136 states have internal predecessors, (594), 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 06:13:17,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:13:17,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-08 06:13:17,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-09-08 06:13:17,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:13:17,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-09-08 06:13:17,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-09-08 06:13:17,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-09-08 06:13:17,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:13:28,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:13:28,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-08 06:13:28,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-09-08 06:13:28,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:13:28,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-09-08 06:13:28,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-09-08 06:13:28,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-09-08 06:13:28,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-09-08 06:13:28,641 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 06:13:28,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 06:13:28,836 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 06:13:28,837 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 06:13:28,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1208916873, now seen corresponding path program 3 times [2023-09-08 06:13:28,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 06:13:28,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559727023] [2023-09-08 06:13:28,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:13:28,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 06:13:28,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:13:29,758 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 2 proven. 185 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-09-08 06:13:29,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 06:13:29,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559727023] [2023-09-08 06:13:29,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559727023] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 06:13:29,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1579203571] [2023-09-08 06:13:29,759 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-08 06:13:29,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 06:13:29,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 06:13:29,761 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-08 06:13:29,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-09-08 06:13:30,335 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2023-09-08 06:13:30,335 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 06:13:30,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 46 conjunts are in the unsatisfiable core [2023-09-08 06:13:30,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 06:13:30,935 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-09-08 06:13:30,936 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 06:13:32,346 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-09-08 06:13:32,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1579203571] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 06:13:32,346 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 06:13:32,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 24, 25] total 59 [2023-09-08 06:13:32,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834656646] [2023-09-08 06:13:32,346 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 06:13:32,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2023-09-08 06:13:32,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 06:13:32,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2023-09-08 06:13:32,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=341, Invalid=3081, Unknown=0, NotChecked=0, Total=3422 [2023-09-08 06:13:32,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:13:32,349 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 06:13:32,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 6.796610169491525) internal successors, (401), 59 states have internal predecessors, (401), 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 06:13:32,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:13:32,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-08 06:13:32,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-09-08 06:13:32,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:13:32,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-09-08 06:13:32,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-09-08 06:13:32,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-09-08 06:13:32,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-09-08 06:13:32,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:13:41,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:13:41,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-08 06:13:41,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-09-08 06:13:41,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:13:41,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-09-08 06:13:41,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-09-08 06:13:41,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-09-08 06:13:41,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-09-08 06:13:41,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2023-09-08 06:13:41,574 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-09-08 06:13:41,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 06:13:41,769 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 06:13:41,769 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 06:13:41,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1422161567, now seen corresponding path program 4 times [2023-09-08 06:13:41,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 06:13:41,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103585781] [2023-09-08 06:13:41,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:13:41,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 06:13:41,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:13:43,408 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 2 proven. 475 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-09-08 06:13:43,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 06:13:43,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103585781] [2023-09-08 06:13:43,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103585781] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 06:13:43,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [937356392] [2023-09-08 06:13:43,408 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-09-08 06:13:43,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 06:13:43,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 06:13:43,409 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-08 06:13:43,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-09-08 06:13:43,689 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-09-08 06:13:43,689 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 06:13:43,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 63 conjunts are in the unsatisfiable core [2023-09-08 06:13:43,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 06:13:44,555 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 0 proven. 477 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-09-08 06:13:44,555 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 06:13:46,408 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 0 proven. 477 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-09-08 06:13:46,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [937356392] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 06:13:46,408 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 06:13:46,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 33, 33] total 80 [2023-09-08 06:13:46,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129831028] [2023-09-08 06:13:46,408 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 06:13:46,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2023-09-08 06:13:46,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 06:13:46,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2023-09-08 06:13:46,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=354, Invalid=5966, Unknown=0, NotChecked=0, Total=6320 [2023-09-08 06:13:46,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:13:46,413 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 06:13:46,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 6.95) internal successors, (556), 80 states have internal predecessors, (556), 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 06:13:46,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:13:46,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-08 06:13:46,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-09-08 06:13:46,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:13:46,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-09-08 06:13:46,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-09-08 06:13:46,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-09-08 06:13:46,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-09-08 06:13:46,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2023-09-08 06:13:46,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:14:12,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:14:12,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-08 06:14:12,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-09-08 06:14:12,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:14:12,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-09-08 06:14:12,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-09-08 06:14:12,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-09-08 06:14:12,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-09-08 06:14:12,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2023-09-08 06:14:12,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 259 states. [2023-09-08 06:14:12,609 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-09-08 06:14:12,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-09-08 06:14:12,804 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 06:14:12,804 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 06:14:12,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1644945889, now seen corresponding path program 5 times [2023-09-08 06:14:12,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 06:14:12,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354674532] [2023-09-08 06:14:12,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:14:12,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 06:14:12,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:14:16,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1588 backedges. 0 proven. 1561 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-09-08 06:14:16,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 06:14:16,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354674532] [2023-09-08 06:14:16,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354674532] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 06:14:16,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1229029629] [2023-09-08 06:14:16,149 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-09-08 06:14:16,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 06:14:16,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 06:14:16,151 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-08 06:14:16,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-09-08 06:15:06,262 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2023-09-08 06:15:06,262 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 06:15:06,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 104 conjunts are in the unsatisfiable core [2023-09-08 06:15:06,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 06:15:08,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1588 backedges. 0 proven. 1561 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-09-08 06:15:08,031 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 06:15:16,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1588 backedges. 12 proven. 1549 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-09-08 06:15:16,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1229029629] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 06:15:16,440 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 06:15:16,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 54, 55] total 128 [2023-09-08 06:15:16,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088254317] [2023-09-08 06:15:16,441 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 06:15:16,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 128 states [2023-09-08 06:15:16,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 06:15:16,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2023-09-08 06:15:16,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1008, Invalid=15248, Unknown=0, NotChecked=0, Total=16256 [2023-09-08 06:15:16,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:15:16,448 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 06:15:16,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 128 states, 128 states have (on average 6.453125) internal successors, (826), 128 states have internal predecessors, (826), 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 06:15:16,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:15:16,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-08 06:15:16,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-09-08 06:15:16,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:15:16,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-09-08 06:15:16,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-09-08 06:15:16,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-09-08 06:15:16,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-09-08 06:15:16,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2023-09-08 06:15:16,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 259 states. [2023-09-08 06:15:16,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:17:52,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-09-08 06:19:30,786 WARN L234 SmtUtils]: Spent 10.12s on a formula simplification. DAG size of input: 169 DAG size of output: 45 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-08 06:21:16,038 WARN L234 SmtUtils]: Spent 8.45s on a formula simplification. DAG size of input: 172 DAG size of output: 48 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2023-09-08 06:23:01,984 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-08 06:23:01,984 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 06:23:01,984 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 06:23:02,032 WARN L266 SmtUtils]: Removed 18 from assertion stack [2023-09-08 06:23:02,042 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-09-08 06:23:02,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 06:23:02,233 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 97 for 190ms.. [2023-09-08 06:23:02,235 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-09-08 06:23:02,235 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-09-08 06:23:02,235 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-09-08 06:23:02,238 INFO L445 BasicCegarLoop]: Path program histogram: [5, 2, 2, 1, 1] [2023-09-08 06:23:02,240 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-08 06:23:02,240 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-08 06:23:02,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 06:23:02 BasicIcfg [2023-09-08 06:23:02,242 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-08 06:23:02,242 INFO L158 Benchmark]: Toolchain (without parser) took 822935.52ms. Allocated memory was 157.3MB in the beginning and 1.1GB in the end (delta: 894.4MB). Free memory was 119.9MB in the beginning and 754.3MB in the end (delta: -634.5MB). Peak memory consumption was 260.4MB. Max. memory is 7.0GB. [2023-09-08 06:23:02,242 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 157.3MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 7.0GB. [2023-09-08 06:23:02,243 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.64ms. Allocated memory is still 157.3MB. Free memory was 119.9MB in the beginning and 108.0MB in the end (delta: 11.8MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. [2023-09-08 06:23:02,243 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.96ms. Allocated memory is still 157.3MB. Free memory was 108.0MB in the beginning and 106.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-08 06:23:02,243 INFO L158 Benchmark]: Boogie Preprocessor took 28.61ms. Allocated memory is still 157.3MB. Free memory was 106.0MB in the beginning and 104.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-08 06:23:02,243 INFO L158 Benchmark]: RCFGBuilder took 377.14ms. Allocated memory is still 157.3MB. Free memory was 104.2MB in the beginning and 86.4MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 7.0GB. [2023-09-08 06:23:02,244 INFO L158 Benchmark]: TraceAbstraction took 822252.94ms. Allocated memory was 157.3MB in the beginning and 1.1GB in the end (delta: 894.4MB). Free memory was 85.7MB in the beginning and 754.3MB in the end (delta: -668.6MB). Peak memory consumption was 226.9MB. Max. memory is 7.0GB. [2023-09-08 06:23:02,245 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 157.3MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 227.64ms. Allocated memory is still 157.3MB. Free memory was 119.9MB in the beginning and 108.0MB in the end (delta: 11.8MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 42.96ms. Allocated memory is still 157.3MB. Free memory was 108.0MB in the beginning and 106.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 28.61ms. Allocated memory is still 157.3MB. Free memory was 106.0MB in the beginning and 104.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * RCFGBuilder took 377.14ms. Allocated memory is still 157.3MB. Free memory was 104.2MB in the beginning and 86.4MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 7.0GB. * TraceAbstraction took 822252.94ms. Allocated memory was 157.3MB in the beginning and 1.1GB in the end (delta: 894.4MB). Free memory was 85.7MB in the beginning and 754.3MB in the end (delta: -668.6MB). Peak memory consumption was 226.9MB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 21734, independent: 18740, independent conditional: 18740, independent unconditional: 0, dependent: 2994, dependent conditional: 2994, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18740, independent: 18740, independent conditional: 18740, 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: 18740, independent: 18740, independent conditional: 18740, 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: 18740, independent: 18740, independent conditional: 0, independent unconditional: 18740, 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: 18740, independent: 18740, independent conditional: 0, independent unconditional: 18740, 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: 18740, independent: 18740, independent conditional: 0, independent unconditional: 18740, 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: 996, independent: 996, independent conditional: 0, independent unconditional: 996, 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: 996, independent: 996, independent conditional: 0, independent unconditional: 996, 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: 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: 18740, independent: 17744, independent conditional: 0, independent unconditional: 17744, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 996, unknown conditional: 0, unknown unconditional: 996] , Statistics on independence cache: Total cache size (in pairs): 996, Positive cache size: 996, Positive conditional cache size: 0, Positive unconditional cache size: 996, 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: 2994 - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 97 for 190ms.. - TimeoutResultAtElement [Line: 93]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 97 for 190ms.. - TimeoutResultAtElement [Line: 94]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 97 for 190ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 264 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 822.1s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 518.8s, 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: 858, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 52.1s SatisfiabilityAnalysisTime, 248.6s InterpolantComputationTime, 3948 NumberOfCodeBlocks, 3948 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 5721 ConstructedInterpolants, 19 QuantifiedInterpolants, 68157 SizeOfPredicates, 223 NumberOfNonLiveVariables, 3340 ConjunctsInSsa, 422 ConjunctsInUnsatCore, 27 InterpolantComputations, 3 PerfectInterpolantSequences, 338/7796 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 [2023-09-08 06:23:02,260 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0