/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistent.epf --traceabstraction.dfs.order.used.in.por PSEUDO_LOCKSTEP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-lit/sssc12_variant-pthread.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 17:15:36,857 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 17:15:36,953 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistent.epf [2023-11-17 17:15:36,958 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-17 17:15:36,959 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-17 17:15:36,987 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 17:15:36,987 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-17 17:15:36,988 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-17 17:15:36,989 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 17:15:36,993 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 17:15:36,994 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 17:15:36,994 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 17:15:36,995 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 17:15:36,996 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 17:15:36,996 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 17:15:36,996 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 17:15:36,996 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 17:15:36,997 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 17:15:36,997 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 17:15:36,997 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 17:15:36,997 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 17:15:36,999 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 17:15:36,999 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 17:15:36,999 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 17:15:37,000 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 17:15:37,000 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 17:15:37,000 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 17:15:37,001 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 17:15:37,001 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 17:15:37,001 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 17:15:37,002 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 17:15:37,002 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 17:15:37,003 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 17:15:37,003 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 17:15:37,003 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 17:15:37,003 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-17 17:15:37,003 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-17 17:15:37,003 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-17 17:15:37,004 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-17 17:15:37,004 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2023-11-17 17:15:37,004 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> PSEUDO_LOCKSTEP [2023-11-17 17:15:37,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 17:15:37,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 17:15:37,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 17:15:37,297 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 17:15:37,298 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 17:15:37,299 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/sssc12_variant-pthread.i [2023-11-17 17:15:38,493 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 17:15:38,816 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 17:15:38,817 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/sssc12_variant-pthread.i [2023-11-17 17:15:38,840 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc730d31d/7e88da5ec7d74d3288d834af37a07319/FLAGad59d3176 [2023-11-17 17:15:38,854 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc730d31d/7e88da5ec7d74d3288d834af37a07319 [2023-11-17 17:15:38,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 17:15:38,858 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 17:15:38,860 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 17:15:38,860 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 17:15:38,868 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 17:15:38,869 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:15:38" (1/1) ... [2023-11-17 17:15:38,870 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a20471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:15:38, skipping insertion in model container [2023-11-17 17:15:38,871 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:15:38" (1/1) ... [2023-11-17 17:15:38,919 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 17:15:39,233 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-17 17:15:39,295 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/sssc12_variant-pthread.i[47777,47790] [2023-11-17 17:15:39,313 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 17:15:39,326 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 17:15:39,350 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-17 17:15:39,365 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/sssc12_variant-pthread.i[47777,47790] [2023-11-17 17:15:39,370 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 17:15:39,416 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 17:15:39,423 INFO L206 MainTranslator]: Completed translation [2023-11-17 17:15:39,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:15:39 WrapperNode [2023-11-17 17:15:39,424 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 17:15:39,426 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 17:15:39,426 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 17:15:39,426 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 17:15:39,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:15:39" (1/1) ... [2023-11-17 17:15:39,446 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:15:39" (1/1) ... [2023-11-17 17:15:39,468 INFO L138 Inliner]: procedures = 274, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 82 [2023-11-17 17:15:39,469 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 17:15:39,469 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 17:15:39,469 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 17:15:39,470 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 17:15:39,477 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:15:39" (1/1) ... [2023-11-17 17:15:39,477 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:15:39" (1/1) ... [2023-11-17 17:15:39,481 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:15:39" (1/1) ... [2023-11-17 17:15:39,481 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:15:39" (1/1) ... [2023-11-17 17:15:39,501 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:15:39" (1/1) ... [2023-11-17 17:15:39,504 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:15:39" (1/1) ... [2023-11-17 17:15:39,505 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:15:39" (1/1) ... [2023-11-17 17:15:39,506 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:15:39" (1/1) ... [2023-11-17 17:15:39,509 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 17:15:39,510 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 17:15:39,510 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 17:15:39,510 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 17:15:39,511 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:15:39" (1/1) ... [2023-11-17 17:15:39,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 17:15:39,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:15:39,541 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) [2023-11-17 17:15:39,560 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 [2023-11-17 17:15:39,571 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2023-11-17 17:15:39,572 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2023-11-17 17:15:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 17:15:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 17:15:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-17 17:15:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 17:15:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 17:15:39,574 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-17 17:15:39,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-17 17:15:39,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 17:15:39,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 17:15:39,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 17:15:39,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 17:15:39,576 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-17 17:15:39,699 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 17:15:39,701 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 17:15:39,895 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 17:15:39,919 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 17:15:39,919 INFO L307 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-17 17:15:39,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 05:15:39 BoogieIcfgContainer [2023-11-17 17:15:39,921 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 17:15:39,924 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 17:15:39,924 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 17:15:39,927 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 17:15:39,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 05:15:38" (1/3) ... [2023-11-17 17:15:39,928 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cb7bf19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:15:39, skipping insertion in model container [2023-11-17 17:15:39,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:15:39" (2/3) ... [2023-11-17 17:15:39,929 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cb7bf19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:15:39, skipping insertion in model container [2023-11-17 17:15:39,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 05:15:39" (3/3) ... [2023-11-17 17:15:39,931 INFO L112 eAbstractionObserver]: Analyzing ICFG sssc12_variant-pthread.i [2023-11-17 17:15:39,940 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-17 17:15:39,949 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 17:15:39,949 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-17 17:15:39,949 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 17:15:40,031 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-17 17:15:40,078 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 17:15:40,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 17:15:40,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:15:40,082 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) [2023-11-17 17:15:40,084 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 [2023-11-17 17:15:40,128 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 17:15:40,160 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-17 17:15:40,166 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@44ffb09a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 17:15:40,166 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-17 17:15:40,304 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 17:15:40,309 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:15:40,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1207391931, now seen corresponding path program 1 times [2023-11-17 17:15:40,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:15:40,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954231209] [2023-11-17 17:15:40,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:15:40,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:15:40,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:15:40,532 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-17 17:15:40,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:15:40,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954231209] [2023-11-17 17:15:40,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954231209] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:15:40,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:15:40,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 17:15:40,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835800737] [2023-11-17 17:15:40,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:15:40,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-17 17:15:40,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:15:40,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-17 17:15:40,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-17 17:15:40,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:15:40,573 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:15:40,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 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) [2023-11-17 17:15:40,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:15:40,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:15:40,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-17 17:15:40,589 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 17:15:40,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:15:40,589 INFO L85 PathProgramCache]: Analyzing trace with hash 332383698, now seen corresponding path program 1 times [2023-11-17 17:15:40,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:15:40,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018885052] [2023-11-17 17:15:40,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:15:40,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:15:40,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-17 17:15:40,627 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-17 17:15:40,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-17 17:15:40,711 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-17 17:15:40,712 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-17 17:15:40,714 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-11-17 17:15:40,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-17 17:15:40,725 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-17 17:15:40,727 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (1/2) [2023-11-17 17:15:40,728 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-17 17:15:40,728 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-11-17 17:15:40,785 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-17 17:15:40,789 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 17:15:40,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 17:15:40,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:15:40,843 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-17 17:15:40,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2023-11-17 17:15:40,850 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 17:15:40,851 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thrThread2of2ForFork0 ======== [2023-11-17 17:15:40,851 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@44ffb09a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 17:15:40,851 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-17 17:15:41,042 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:15:41,043 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:15:41,043 INFO L85 PathProgramCache]: Analyzing trace with hash -114816810, now seen corresponding path program 1 times [2023-11-17 17:15:41,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:15:41,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955874641] [2023-11-17 17:15:41,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:15:41,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:15:41,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:15:41,126 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-17 17:15:41,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:15:41,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955874641] [2023-11-17 17:15:41,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955874641] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:15:41,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:15:41,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 17:15:41,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902352480] [2023-11-17 17:15:41,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:15:41,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-17 17:15:41,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:15:41,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-17 17:15:41,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-17 17:15:41,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:15:41,137 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:15:41,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 39.5) internal successors, (79), 2 states have internal predecessors, (79), 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) [2023-11-17 17:15:41,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:15:41,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:15:41,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-17 17:15:41,180 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:15:41,180 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:15:41,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1115160015, now seen corresponding path program 1 times [2023-11-17 17:15:41,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:15:41,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007837394] [2023-11-17 17:15:41,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:15:41,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:15:41,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:15:41,451 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-17 17:15:41,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:15:41,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007837394] [2023-11-17 17:15:41,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007837394] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:15:41,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:15:41,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-17 17:15:41,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639457945] [2023-11-17 17:15:41,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:15:41,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 17:15:41,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:15:41,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 17:15:41,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 17:15:41,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:15:41,454 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:15:41,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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) [2023-11-17 17:15:41,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:15:41,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:15:41,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:15:41,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:15:41,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-17 17:15:41,511 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:15:41,512 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:15:41,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1601824858, now seen corresponding path program 1 times [2023-11-17 17:15:41,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:15:41,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717934651] [2023-11-17 17:15:41,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:15:41,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:15:41,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:15:41,751 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-17 17:15:41,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:15:41,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717934651] [2023-11-17 17:15:41,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717934651] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:15:41,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:15:41,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-17 17:15:41,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572348809] [2023-11-17 17:15:41,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:15:41,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-17 17:15:41,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:15:41,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-17 17:15:41,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-17 17:15:41,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:15:41,755 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:15:41,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 17:15:41,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:15:41,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:15:41,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:15:42,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:15:42,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:15:42,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-17 17:15:42,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-17 17:15:42,062 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:15:42,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:15:42,063 INFO L85 PathProgramCache]: Analyzing trace with hash 988410450, now seen corresponding path program 1 times [2023-11-17 17:15:42,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:15:42,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672807147] [2023-11-17 17:15:42,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:15:42,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:15:42,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:15:42,926 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 2 proven. 168 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-17 17:15:42,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:15:42,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672807147] [2023-11-17 17:15:42,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672807147] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:15:42,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2027357006] [2023-11-17 17:15:42,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:15:42,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:15:42,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:15:42,929 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) [2023-11-17 17:15:42,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-17 17:15:43,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:15:43,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-17 17:15:43,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:15:43,235 INFO L378 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 15 treesize of output 11 [2023-11-17 17:15:43,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2023-11-17 17:15:43,483 INFO L378 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 15 treesize of output 11 [2023-11-17 17:15:43,553 INFO L349 Elim1Store]: treesize reduction 29, result has 27.5 percent of original size [2023-11-17 17:15:43,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 35 treesize of output 15 [2023-11-17 17:15:43,599 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 8 proven. 162 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-17 17:15:43,599 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:15:44,181 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 8 proven. 162 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-17 17:15:44,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2027357006] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:15:44,182 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 17:15:44,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 21, 21] total 42 [2023-11-17 17:15:44,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705797458] [2023-11-17 17:15:44,183 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 17:15:44,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2023-11-17 17:15:44,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:15:44,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2023-11-17 17:15:44,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=240, Invalid=1482, Unknown=0, NotChecked=0, Total=1722 [2023-11-17 17:15:44,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:15:44,191 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:15:44,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 7.5) internal successors, (315), 42 states have internal predecessors, (315), 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) [2023-11-17 17:15:44,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:15:44,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:15:44,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-17 17:15:44,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:15:46,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:15:46,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:15:46,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-17 17:15:46,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2023-11-17 17:15:46,503 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-17 17:15:46,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:15:46,698 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:15:46,699 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:15:46,699 INFO L85 PathProgramCache]: Analyzing trace with hash -623296676, now seen corresponding path program 2 times [2023-11-17 17:15:46,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:15:46,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510048131] [2023-11-17 17:15:46,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:15:46,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:15:46,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:15:47,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1665 backedges. 1469 proven. 187 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-17 17:15:47,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:15:47,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510048131] [2023-11-17 17:15:47,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510048131] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:15:47,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784216144] [2023-11-17 17:15:47,642 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-17 17:15:47,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:15:47,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:15:47,644 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) [2023-11-17 17:15:47,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-17 17:15:47,837 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-17 17:15:47,837 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 17:15:47,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 680 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-17 17:15:47,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:15:48,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1665 backedges. 1414 proven. 0 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2023-11-17 17:15:48,079 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-17 17:15:48,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1784216144] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:15:48,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-17 17:15:48,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [21] total 23 [2023-11-17 17:15:48,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865297891] [2023-11-17 17:15:48,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:15:48,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-17 17:15:48,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:15:48,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-17 17:15:48,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=324, Unknown=0, NotChecked=0, Total=506 [2023-11-17 17:15:48,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:15:48,082 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:15:48,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 17.357142857142858) internal successors, (243), 14 states have internal predecessors, (243), 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) [2023-11-17 17:15:48,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:15:48,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:15:48,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-17 17:15:48,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2023-11-17 17:15:48,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:15:50,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:15:50,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:15:50,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-17 17:15:50,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2023-11-17 17:15:50,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-17 17:15:50,849 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-17 17:15:51,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:15:51,049 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:15:51,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:15:51,050 INFO L85 PathProgramCache]: Analyzing trace with hash 657631901, now seen corresponding path program 1 times [2023-11-17 17:15:51,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:15:51,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380614826] [2023-11-17 17:15:51,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:15:51,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:15:51,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:15:51,246 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2023-11-17 17:15:51,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:15:51,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380614826] [2023-11-17 17:15:51,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380614826] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:15:51,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:15:51,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-17 17:15:51,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335247105] [2023-11-17 17:15:51,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:15:51,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-17 17:15:51,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:15:51,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-17 17:15:51,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-17 17:15:51,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:15:51,249 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:15:51,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 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) [2023-11-17 17:15:51,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:15:51,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:15:51,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-17 17:15:51,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2023-11-17 17:15:51,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-17 17:15:51,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:15:53,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:15:53,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:15:53,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-17 17:15:53,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2023-11-17 17:15:53,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-17 17:15:53,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:15:53,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-17 17:15:53,160 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:15:53,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:15:53,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1767102819, now seen corresponding path program 1 times [2023-11-17 17:15:53,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:15:53,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517117089] [2023-11-17 17:15:53,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:15:53,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:15:53,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:15:53,901 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 2 proven. 508 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-17 17:15:53,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:15:53,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517117089] [2023-11-17 17:15:53,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517117089] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:15:53,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33687968] [2023-11-17 17:15:53,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:15:53,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:15:53,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:15:53,903 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) [2023-11-17 17:15:53,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-17 17:15:54,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:15:54,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-17 17:15:54,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:15:54,316 INFO L378 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 15 treesize of output 11 [2023-11-17 17:15:54,354 INFO L349 Elim1Store]: treesize reduction 29, result has 27.5 percent of original size [2023-11-17 17:15:54,355 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 35 treesize of output 15 [2023-11-17 17:15:54,400 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 6 proven. 504 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-17 17:15:54,400 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:15:54,768 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 6 proven. 504 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-17 17:15:54,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [33687968] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:15:54,768 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 17:15:54,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20, 20] total 29 [2023-11-17 17:15:54,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482706147] [2023-11-17 17:15:54,769 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 17:15:54,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-11-17 17:15:54,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:15:54,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-11-17 17:15:54,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=677, Unknown=0, NotChecked=0, Total=812 [2023-11-17 17:15:54,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:15:54,771 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:15:54,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 9.0) internal successors, (261), 29 states have internal predecessors, (261), 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) [2023-11-17 17:15:54,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:15:54,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:15:54,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-17 17:15:54,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. [2023-11-17 17:15:54,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-17 17:15:54,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:15:54,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:15:58,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:15:58,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:15:58,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-17 17:15:58,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2023-11-17 17:15:58,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-17 17:15:58,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:15:58,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-11-17 17:15:58,529 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-17 17:15:58,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:15:58,728 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:15:58,728 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:15:58,728 INFO L85 PathProgramCache]: Analyzing trace with hash 193661598, now seen corresponding path program 2 times [2023-11-17 17:15:58,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:15:58,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727285144] [2023-11-17 17:15:58,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:15:58,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:15:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:15:58,961 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-17 17:15:58,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:15:58,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727285144] [2023-11-17 17:15:58,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727285144] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:15:58,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [129365193] [2023-11-17 17:15:58,962 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-17 17:15:58,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:15:58,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:15:58,963 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) [2023-11-17 17:15:58,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-17 17:15:59,078 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-17 17:15:59,079 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 17:15:59,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-17 17:15:59,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:15:59,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 [2023-11-17 17:15:59,109 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-17 17:15:59,110 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-17 17:15:59,156 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-11-17 17:15:59,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2023-11-17 17:15:59,189 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-17 17:15:59,190 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:15:59,278 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-17 17:15:59,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [129365193] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:15:59,278 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 17:15:59,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 13 [2023-11-17 17:15:59,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320392997] [2023-11-17 17:15:59,279 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 17:15:59,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-17 17:15:59,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:15:59,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-17 17:15:59,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-11-17 17:15:59,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:15:59,282 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:15:59,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.153846153846154) internal successors, (93), 13 states have internal predecessors, (93), 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) [2023-11-17 17:15:59,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:15:59,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:15:59,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-17 17:15:59,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2023-11-17 17:15:59,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-17 17:15:59,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:15:59,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-11-17 17:15:59,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:16:01,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:16:01,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:16:01,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-17 17:16:01,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2023-11-17 17:16:01,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-17 17:16:01,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:16:01,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2023-11-17 17:16:01,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-17 17:16:01,407 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-17 17:16:01,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:16:01,604 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:16:01,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:16:01,605 INFO L85 PathProgramCache]: Analyzing trace with hash -477411134, now seen corresponding path program 1 times [2023-11-17 17:16:01,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:16:01,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375463358] [2023-11-17 17:16:01,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:16:01,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:16:01,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:16:01,745 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-11-17 17:16:01,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:16:01,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375463358] [2023-11-17 17:16:01,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375463358] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:16:01,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:16:01,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-17 17:16:01,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172780318] [2023-11-17 17:16:01,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:16:01,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-17 17:16:01,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:16:01,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-17 17:16:01,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-17 17:16:01,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:16:01,747 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:16:01,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 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) [2023-11-17 17:16:01,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:16:01,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:16:01,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-17 17:16:01,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2023-11-17 17:16:01,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-17 17:16:01,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:16:01,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2023-11-17 17:16:01,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-11-17 17:16:01,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:16:03,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:16:03,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:16:03,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-17 17:16:03,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. [2023-11-17 17:16:03,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-17 17:16:03,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:16:03,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-11-17 17:16:03,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-17 17:16:03,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:16:03,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-17 17:16:03,705 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:16:03,705 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:16:03,705 INFO L85 PathProgramCache]: Analyzing trace with hash -709008744, now seen corresponding path program 3 times [2023-11-17 17:16:03,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:16:03,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548128432] [2023-11-17 17:16:03,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:16:03,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:16:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:16:04,632 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 205 proven. 329 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-11-17 17:16:04,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:16:04,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548128432] [2023-11-17 17:16:04,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548128432] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:16:04,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1060246782] [2023-11-17 17:16:04,633 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-17 17:16:04,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:16:04,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:16:04,634 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) [2023-11-17 17:16:04,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-17 17:16:05,035 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2023-11-17 17:16:05,035 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 17:16:05,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-17 17:16:05,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:16:05,412 INFO L378 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 15 treesize of output 11 [2023-11-17 17:16:05,448 INFO L349 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2023-11-17 17:16:05,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 27 treesize of output 26 [2023-11-17 17:16:05,639 INFO L349 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2023-11-17 17:16:05,640 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 33 [2023-11-17 17:16:05,692 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 458 proven. 64 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-11-17 17:16:05,692 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:16:06,366 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 465 proven. 57 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-11-17 17:16:06,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1060246782] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:16:06,366 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 17:16:06,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 21] total 49 [2023-11-17 17:16:06,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90634069] [2023-11-17 17:16:06,369 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 17:16:06,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2023-11-17 17:16:06,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:16:06,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2023-11-17 17:16:06,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=459, Invalid=1893, Unknown=0, NotChecked=0, Total=2352 [2023-11-17 17:16:06,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:16:06,373 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:16:06,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 9.510204081632653) internal successors, (466), 49 states have internal predecessors, (466), 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) [2023-11-17 17:16:06,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:16:06,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:16:06,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-17 17:16:06,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 233 states. [2023-11-17 17:16:06,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-17 17:16:06,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:16:06,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2023-11-17 17:16:06,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-11-17 17:16:06,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:16:06,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:16:13,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:16:13,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:16:13,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-17 17:16:13,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. [2023-11-17 17:16:13,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-17 17:16:13,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:16:13,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-11-17 17:16:13,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-17 17:16:13,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:16:13,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2023-11-17 17:16:13,574 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-17 17:16:13,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:16:13,774 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:16:13,775 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:16:13,775 INFO L85 PathProgramCache]: Analyzing trace with hash -499279877, now seen corresponding path program 4 times [2023-11-17 17:16:13,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:16:13,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864047554] [2023-11-17 17:16:13,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:16:13,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:16:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:16:14,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1337 backedges. 780 proven. 387 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-11-17 17:16:14,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:16:14,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864047554] [2023-11-17 17:16:14,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864047554] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:16:14,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295552768] [2023-11-17 17:16:14,382 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-17 17:16:14,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:16:14,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:16:14,383 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) [2023-11-17 17:16:14,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-17 17:16:14,582 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-17 17:16:14,582 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 17:16:14,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-17 17:16:14,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:16:14,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1337 backedges. 1153 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-11-17 17:16:14,897 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-17 17:16:14,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1295552768] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:16:14,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-17 17:16:14,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [17] total 19 [2023-11-17 17:16:14,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540757614] [2023-11-17 17:16:14,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:16:14,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-17 17:16:14,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:16:14,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-17 17:16:14,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2023-11-17 17:16:14,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:16:14,900 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:16:14,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 17.571428571428573) internal successors, (246), 14 states have internal predecessors, (246), 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) [2023-11-17 17:16:14,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:16:14,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:16:14,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-17 17:16:14,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 233 states. [2023-11-17 17:16:14,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-17 17:16:14,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:16:14,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2023-11-17 17:16:14,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-11-17 17:16:14,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:16:14,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 186 states. [2023-11-17 17:16:14,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:16:17,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:16:17,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:16:17,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-17 17:16:17,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. [2023-11-17 17:16:17,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-17 17:16:17,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:16:17,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-11-17 17:16:17,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-17 17:16:17,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:16:17,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2023-11-17 17:16:17,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-17 17:16:17,027 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-17 17:16:17,220 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,SelfDestructingSolverStorable12 [2023-11-17 17:16:17,220 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:16:17,221 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:16:17,221 INFO L85 PathProgramCache]: Analyzing trace with hash 735389295, now seen corresponding path program 5 times [2023-11-17 17:16:17,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:16:17,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613673082] [2023-11-17 17:16:17,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:16:17,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:16:17,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:16:20,042 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 99 proven. 579 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-17 17:16:20,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:16:20,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613673082] [2023-11-17 17:16:20,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613673082] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:16:20,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236590857] [2023-11-17 17:16:20,043 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-17 17:16:20,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:16:20,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:16:20,045 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) [2023-11-17 17:16:20,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-17 17:16:21,463 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2023-11-17 17:16:21,463 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 17:16:21,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 61 conjunts are in the unsatisfiable core [2023-11-17 17:16:21,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:16:21,806 INFO L378 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 15 treesize of output 11 [2023-11-17 17:16:21,880 INFO L349 Elim1Store]: treesize reduction 25, result has 37.5 percent of original size [2023-11-17 17:16:21,881 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 35 treesize of output 19 [2023-11-17 17:16:21,936 INFO L349 Elim1Store]: treesize reduction 25, result has 37.5 percent of original size [2023-11-17 17:16:21,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 39 treesize of output 23 [2023-11-17 17:16:22,050 INFO L349 Elim1Store]: treesize reduction 25, result has 37.5 percent of original size [2023-11-17 17:16:22,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 39 treesize of output 23 [2023-11-17 17:16:22,106 INFO L349 Elim1Store]: treesize reduction 25, result has 37.5 percent of original size [2023-11-17 17:16:22,106 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 42 treesize of output 26 [2023-11-17 17:16:22,240 INFO L349 Elim1Store]: treesize reduction 25, result has 37.5 percent of original size [2023-11-17 17:16:22,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 39 treesize of output 23 [2023-11-17 17:16:22,266 INFO L349 Elim1Store]: treesize reduction 25, result has 37.5 percent of original size [2023-11-17 17:16:22,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 42 treesize of output 26 [2023-11-17 17:16:22,378 INFO L349 Elim1Store]: treesize reduction 25, result has 37.5 percent of original size [2023-11-17 17:16:22,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 39 treesize of output 23 [2023-11-17 17:16:22,402 INFO L349 Elim1Store]: treesize reduction 25, result has 37.5 percent of original size [2023-11-17 17:16:22,402 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 42 treesize of output 26 [2023-11-17 17:16:22,508 INFO L349 Elim1Store]: treesize reduction 25, result has 37.5 percent of original size [2023-11-17 17:16:22,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 39 treesize of output 23 [2023-11-17 17:16:22,542 INFO L349 Elim1Store]: treesize reduction 25, result has 37.5 percent of original size [2023-11-17 17:16:22,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 42 treesize of output 26 [2023-11-17 17:16:22,643 INFO L349 Elim1Store]: treesize reduction 25, result has 37.5 percent of original size [2023-11-17 17:16:22,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 39 treesize of output 23 [2023-11-17 17:16:22,668 INFO L349 Elim1Store]: treesize reduction 25, result has 37.5 percent of original size [2023-11-17 17:16:22,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 42 treesize of output 26 [2023-11-17 17:16:22,784 INFO L349 Elim1Store]: treesize reduction 25, result has 37.5 percent of original size [2023-11-17 17:16:22,784 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 39 treesize of output 23 [2023-11-17 17:16:22,809 INFO L349 Elim1Store]: treesize reduction 25, result has 37.5 percent of original size [2023-11-17 17:16:22,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 42 treesize of output 26 [2023-11-17 17:16:22,939 INFO L349 Elim1Store]: treesize reduction 29, result has 27.5 percent of original size [2023-11-17 17:16:22,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 35 treesize of output 15 [2023-11-17 17:16:22,983 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 323 proven. 169 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2023-11-17 17:16:22,984 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:17:41,013 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_1203 Int) (|thrThread1of2ForFork0_~c~0#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_60| Int)) (or (forall ((|v_thrThread1of2ForFork0_~c~0#1_59| Int) (v_ArrVal_1207 Int)) (or (forall ((|v_thrThread1of2ForFork0_~c~0#1_58| Int) (v_ArrVal_1212 Int)) (or (forall ((|v_thrThread1of2ForFork0_~c~0#1_57| Int) (v_ArrVal_1215 Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_57| (+ |v_thrThread1of2ForFork0_~c~0#1_58| 1)) (forall ((|v_thrThread1of2ForFork0_~c~0#1_56| Int) (v_ArrVal_1219 Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_56| (+ |v_thrThread1of2ForFork0_~c~0#1_57| 1)) (forall ((|v_thrThread1of2ForFork0_~c~0#1_55| Int) (v_ArrVal_1223 Int)) (or (< |c_thrThread1of2ForFork0_~end~0#1| (+ 2 |v_thrThread1of2ForFork0_~c~0#1_55|)) (< |v_thrThread1of2ForFork0_~c~0#1_55| (+ |v_thrThread1of2ForFork0_~c~0#1_56| 1)) (forall ((v_ArrVal_1227 Int)) (= (select (store (store (store (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |thrThread1of2ForFork0_~c~0#1| 4) c_~data~0.offset) v_ArrVal_1203) (+ (* |v_thrThread1of2ForFork0_~c~0#1_60| 4) c_~data~0.offset) v_ArrVal_1207) (+ (* |v_thrThread1of2ForFork0_~c~0#1_59| 4) c_~data~0.offset) v_ArrVal_1212) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_58| 4)) v_ArrVal_1215) (+ (* |v_thrThread1of2ForFork0_~c~0#1_57| 4) c_~data~0.offset) v_ArrVal_1219) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_56| 4)) v_ArrVal_1223) (+ (* |v_thrThread1of2ForFork0_~c~0#1_55| 4) c_~data~0.offset) v_ArrVal_1227) (+ (* |c_thrThread2of2ForFork0_~c~0#1| 4) c_~data~0.offset)) 1)))))))) (< |v_thrThread1of2ForFork0_~c~0#1_58| (+ |v_thrThread1of2ForFork0_~c~0#1_59| 1)))) (< |v_thrThread1of2ForFork0_~c~0#1_59| (+ |v_thrThread1of2ForFork0_~c~0#1_60| 1)))) (< |v_thrThread1of2ForFork0_~c~0#1_60| (+ |thrThread1of2ForFork0_~c~0#1| 1)))) (<= |c_thrThread1of2ForFork0_~end~0#1| |c_thrThread2of2ForFork0_~c~0#1|)) is different from false [2023-11-17 17:17:41,503 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 65 [2023-11-17 17:17:42,887 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 332 proven. 168 refuted. 112 times theorem prover too weak. 17 trivial. 66 not checked. [2023-11-17 17:17:42,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236590857] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:17:42,887 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 17:17:42,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 21, 33] total 69 [2023-11-17 17:17:42,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398777653] [2023-11-17 17:17:42,887 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 17:17:42,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2023-11-17 17:17:42,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:17:42,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2023-11-17 17:17:42,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=509, Invalid=4014, Unknown=37, NotChecked=132, Total=4692 [2023-11-17 17:17:42,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:17:42,892 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:17:42,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 9.173913043478262) internal successors, (633), 69 states have internal predecessors, (633), 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) [2023-11-17 17:17:42,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:17:42,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:17:42,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-17 17:17:42,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 233 states. [2023-11-17 17:17:42,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-17 17:17:42,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:17:42,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2023-11-17 17:17:42,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-11-17 17:17:42,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:17:42,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 202 states. [2023-11-17 17:17:42,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-17 17:17:42,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:17:58,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:17:58,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:17:58,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-17 17:17:58,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. [2023-11-17 17:17:58,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-17 17:17:58,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:17:58,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-11-17 17:17:58,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-17 17:17:58,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:17:58,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 236 states. [2023-11-17 17:17:58,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-17 17:17:58,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2023-11-17 17:17:58,899 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-17 17:17:59,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-17 17:17:59,092 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:17:59,092 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:17:59,093 INFO L85 PathProgramCache]: Analyzing trace with hash -833539103, now seen corresponding path program 6 times [2023-11-17 17:17:59,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:17:59,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507368229] [2023-11-17 17:17:59,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:17:59,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:17:59,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:17:59,939 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 66 proven. 596 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-17 17:17:59,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:17:59,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507368229] [2023-11-17 17:17:59,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507368229] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:17:59,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1957894811] [2023-11-17 17:17:59,940 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-11-17 17:17:59,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:17:59,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:17:59,941 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 17:17:59,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-17 17:18:01,241 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2023-11-17 17:18:01,241 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 17:18:01,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-17 17:18:01,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:18:01,709 INFO L378 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 15 treesize of output 11 [2023-11-17 17:18:01,750 INFO L349 Elim1Store]: treesize reduction 29, result has 27.5 percent of original size [2023-11-17 17:18:01,750 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 35 treesize of output 15 [2023-11-17 17:18:01,798 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 197 proven. 152 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2023-11-17 17:18:01,798 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:18:02,268 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 222 proven. 127 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2023-11-17 17:18:02,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1957894811] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:18:02,269 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 17:18:02,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 19, 19] total 48 [2023-11-17 17:18:02,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163789959] [2023-11-17 17:18:02,269 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 17:18:02,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-11-17 17:18:02,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:18:02,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-11-17 17:18:02,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=327, Invalid=1929, Unknown=0, NotChecked=0, Total=2256 [2023-11-17 17:18:02,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:02,272 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:18:02,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 10.416666666666666) internal successors, (500), 48 states have internal predecessors, (500), 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) [2023-11-17 17:18:02,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:02,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:18:02,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-17 17:18:02,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 233 states. [2023-11-17 17:18:02,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-17 17:18:02,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:18:02,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2023-11-17 17:18:02,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-11-17 17:18:02,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:18:02,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 236 states. [2023-11-17 17:18:02,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-17 17:18:02,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. [2023-11-17 17:18:02,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:32,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:32,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:18:32,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-17 17:18:32,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. [2023-11-17 17:18:32,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-17 17:18:32,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:18:32,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-11-17 17:18:32,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-17 17:18:32,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:18:32,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 273 states. [2023-11-17 17:18:32,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-17 17:18:32,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2023-11-17 17:18:32,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 536 states. [2023-11-17 17:18:32,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-17 17:18:33,001 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-17 17:18:33,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-17 17:18:33,197 INFO L445 BasicCegarLoop]: Path program histogram: [6, 2, 1, 1, 1, 1, 1] [2023-11-17 17:18:33,198 INFO L307 ceAbstractionStarter]: Result for error location thrThread2of2ForFork0 was SAFE (1/3) [2023-11-17 17:18:33,201 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 17:18:33,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 17:18:33,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:18:33,203 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-17 17:18:33,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (12)] Waiting until timeout for monitored process [2023-11-17 17:18:33,208 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 17:18:33,208 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thrThread1of2ForFork0 ======== [2023-11-17 17:18:33,208 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@44ffb09a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 17:18:33,208 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-17 17:18:33,294 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:18:33,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:18:33,294 INFO L85 PathProgramCache]: Analyzing trace with hash 278276995, now seen corresponding path program 1 times [2023-11-17 17:18:33,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:18:33,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107289699] [2023-11-17 17:18:33,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:18:33,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:18:33,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:18:33,309 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-17 17:18:33,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:18:33,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107289699] [2023-11-17 17:18:33,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107289699] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:18:33,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:18:33,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 17:18:33,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300724549] [2023-11-17 17:18:33,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:18:33,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-17 17:18:33,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:18:33,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-17 17:18:33,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-17 17:18:33,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:33,311 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:18:33,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 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) [2023-11-17 17:18:33,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:33,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:33,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-17 17:18:33,319 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:18:33,319 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:18:33,319 INFO L85 PathProgramCache]: Analyzing trace with hash -971735800, now seen corresponding path program 1 times [2023-11-17 17:18:33,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:18:33,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915434471] [2023-11-17 17:18:33,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:18:33,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:18:33,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:18:33,556 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-17 17:18:33,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:18:33,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915434471] [2023-11-17 17:18:33,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915434471] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:18:33,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:18:33,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-17 17:18:33,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864053413] [2023-11-17 17:18:33,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:18:33,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-17 17:18:33,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:18:33,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-17 17:18:33,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-17 17:18:33,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:33,558 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:18:33,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 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) [2023-11-17 17:18:33,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:33,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:33,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:33,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:18:33,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-17 17:18:33,658 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:18:33,658 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:18:33,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1816630984, now seen corresponding path program 1 times [2023-11-17 17:18:33,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:18:33,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386071577] [2023-11-17 17:18:33,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:18:33,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:18:33,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:18:34,009 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 1 proven. 119 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-17 17:18:34,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:18:34,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386071577] [2023-11-17 17:18:34,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386071577] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:18:34,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363651111] [2023-11-17 17:18:34,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:18:34,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:18:34,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:18:34,013 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 17:18:34,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-17 17:18:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:18:34,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-17 17:18:34,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:18:34,332 INFO L378 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 15 treesize of output 11 [2023-11-17 17:18:34,360 INFO L349 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2023-11-17 17:18:34,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 27 treesize of output 26 [2023-11-17 17:18:34,424 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 13 proven. 107 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-17 17:18:34,424 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:18:34,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2023-11-17 17:18:34,629 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 13 proven. 107 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-17 17:18:34,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1363651111] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:18:34,630 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 17:18:34,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 31 [2023-11-17 17:18:34,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531854117] [2023-11-17 17:18:34,630 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 17:18:34,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-11-17 17:18:34,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:18:34,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-11-17 17:18:34,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=803, Unknown=0, NotChecked=0, Total=930 [2023-11-17 17:18:34,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:34,632 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:18:34,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 9.161290322580646) internal successors, (284), 31 states have internal predecessors, (284), 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) [2023-11-17 17:18:34,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:34,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:18:34,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:35,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:35,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:18:35,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-11-17 17:18:35,721 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-17 17:18:35,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-17 17:18:35,917 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:18:35,917 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:18:35,918 INFO L85 PathProgramCache]: Analyzing trace with hash 550163495, now seen corresponding path program 1 times [2023-11-17 17:18:35,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:18:35,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284217488] [2023-11-17 17:18:35,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:18:35,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:18:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:18:36,465 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 1 proven. 417 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-17 17:18:36,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:18:36,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284217488] [2023-11-17 17:18:36,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284217488] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:18:36,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1533570119] [2023-11-17 17:18:36,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:18:36,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:18:36,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:18:36,467 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 17:18:36,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-17 17:18:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:18:36,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-17 17:18:36,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:18:36,866 INFO L378 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 15 treesize of output 11 [2023-11-17 17:18:36,897 INFO L349 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2023-11-17 17:18:36,901 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 27 treesize of output 26 [2023-11-17 17:18:36,961 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 13 proven. 403 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-17 17:18:36,961 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:18:36,985 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2023-11-17 17:18:37,288 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 13 proven. 405 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-17 17:18:37,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1533570119] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:18:37,288 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 17:18:37,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 19, 20] total 34 [2023-11-17 17:18:37,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977011190] [2023-11-17 17:18:37,289 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 17:18:37,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-11-17 17:18:37,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:18:37,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-11-17 17:18:37,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=967, Unknown=0, NotChecked=0, Total=1122 [2023-11-17 17:18:37,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:37,291 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:18:37,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 10.411764705882353) internal successors, (354), 34 states have internal predecessors, (354), 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) [2023-11-17 17:18:37,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:37,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:18:37,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-11-17 17:18:37,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:38,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:38,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:18:38,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-11-17 17:18:38,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-11-17 17:18:38,866 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-17 17:18:39,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:18:39,062 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:18:39,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:18:39,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1059264150, now seen corresponding path program 2 times [2023-11-17 17:18:39,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:18:39,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177582017] [2023-11-17 17:18:39,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:18:39,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:18:39,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:18:39,577 INFO L134 CoverageAnalysis]: Checked inductivity of 921 backedges. 772 proven. 148 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-17 17:18:39,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:18:39,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177582017] [2023-11-17 17:18:39,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177582017] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:18:39,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880296926] [2023-11-17 17:18:39,577 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-17 17:18:39,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:18:39,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:18:39,581 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 17:18:39,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-17 17:18:39,794 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-17 17:18:39,795 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 17:18:39,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-17 17:18:39,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:18:39,972 INFO L134 CoverageAnalysis]: Checked inductivity of 921 backedges. 893 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-17 17:18:39,972 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:18:40,206 INFO L134 CoverageAnalysis]: Checked inductivity of 921 backedges. 893 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-17 17:18:40,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1880296926] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:18:40,206 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 17:18:40,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 14, 14] total 19 [2023-11-17 17:18:40,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779371447] [2023-11-17 17:18:40,207 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 17:18:40,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-17 17:18:40,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:18:40,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-17 17:18:40,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2023-11-17 17:18:40,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:40,212 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:18:40,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 17.31578947368421) internal successors, (329), 19 states have internal predecessors, (329), 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) [2023-11-17 17:18:40,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:40,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:18:40,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-11-17 17:18:40,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2023-11-17 17:18:40,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:42,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:42,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:18:42,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-11-17 17:18:42,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2023-11-17 17:18:42,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-17 17:18:42,722 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-17 17:18:42,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:18:42,919 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:18:42,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:18:42,920 INFO L85 PathProgramCache]: Analyzing trace with hash 34581341, now seen corresponding path program 1 times [2023-11-17 17:18:42,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:18:42,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569168913] [2023-11-17 17:18:42,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:18:42,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:18:42,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:18:42,995 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-17 17:18:42,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:18:42,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569168913] [2023-11-17 17:18:42,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569168913] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:18:42,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:18:42,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-17 17:18:42,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825210454] [2023-11-17 17:18:42,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:18:42,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-17 17:18:42,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:18:42,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-17 17:18:42,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-17 17:18:42,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:42,998 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:18:42,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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) [2023-11-17 17:18:42,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:42,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:18:42,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-11-17 17:18:42,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2023-11-17 17:18:42,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-11-17 17:18:42,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:44,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:44,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-17 17:18:44,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2023-11-17 17:18:44,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2023-11-17 17:18:44,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-17 17:18:44,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:18:44,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-17 17:18:44,912 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:18:44,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:18:44,912 INFO L85 PathProgramCache]: Analyzing trace with hash 818727020, now seen corresponding path program 1 times [2023-11-17 17:18:44,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:18:44,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193752463] [2023-11-17 17:18:44,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:18:44,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:18:44,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:18:45,087 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-17 17:18:45,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:18:45,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193752463] [2023-11-17 17:18:45,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193752463] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:18:45,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687537248] [2023-11-17 17:18:45,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:18:45,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:18:45,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:18:45,089 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 17:18:45,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-17 17:18:45,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:18:45,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-17 17:18:45,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:18:45,363 INFO L378 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 15 treesize of output 11 [2023-11-17 17:18:45,384 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2023-11-17 17:18:45,439 INFO L378 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 15 treesize of output 11 [2023-11-17 17:18:45,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 17:18:45,448 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2023-11-17 17:18:45,473 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-17 17:18:45,473 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:18:45,482 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1888 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1888) c_~data~0.base) (+ (* |c_thrThread1of2ForFork0_~c~0#1| 4) c_~data~0.offset)) 1)) is different from false [2023-11-17 17:18:45,487 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 17:18:45,488 INFO L378 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 26 treesize of output 27 [2023-11-17 17:18:45,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 26 [2023-11-17 17:18:45,492 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2023-11-17 17:18:45,622 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 2 not checked. [2023-11-17 17:18:45,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [687537248] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:18:45,622 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 17:18:45,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13, 14] total 26 [2023-11-17 17:18:45,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158139996] [2023-11-17 17:18:45,623 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 17:18:45,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-11-17 17:18:45,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:18:45,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-11-17 17:18:45,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=502, Unknown=1, NotChecked=46, Total=650 [2023-11-17 17:18:45,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:45,624 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:18:45,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 6.576923076923077) internal successors, (171), 26 states have internal predecessors, (171), 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) [2023-11-17 17:18:45,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:45,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-17 17:18:45,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2023-11-17 17:18:45,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2023-11-17 17:18:45,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-11-17 17:18:45,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:18:45,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:48,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:48,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-17 17:18:48,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2023-11-17 17:18:48,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2023-11-17 17:18:48,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-17 17:18:48,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:18:48,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-17 17:18:48,501 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-17 17:18:48,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:18:48,695 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:18:48,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:18:48,696 INFO L85 PathProgramCache]: Analyzing trace with hash 2063476002, now seen corresponding path program 3 times [2023-11-17 17:18:48,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:18:48,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505413110] [2023-11-17 17:18:48,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:18:48,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:18:48,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:18:48,815 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2023-11-17 17:18:48,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:18:48,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505413110] [2023-11-17 17:18:48,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505413110] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:18:48,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:18:48,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-17 17:18:48,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833534614] [2023-11-17 17:18:48,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:18:48,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 17:18:48,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:18:48,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 17:18:48,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 17:18:48,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:48,818 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:18:48,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 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) [2023-11-17 17:18:48,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:48,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-17 17:18:48,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2023-11-17 17:18:48,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2023-11-17 17:18:48,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-11-17 17:18:48,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:18:48,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-11-17 17:18:48,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:50,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:50,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-17 17:18:50,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2023-11-17 17:18:50,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2023-11-17 17:18:50,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-17 17:18:50,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:18:50,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-17 17:18:50,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:18:50,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-17 17:18:50,087 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:18:50,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:18:50,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1305006116, now seen corresponding path program 1 times [2023-11-17 17:18:50,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:18:50,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785520011] [2023-11-17 17:18:50,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:18:50,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:18:50,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:18:50,283 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-17 17:18:50,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:18:50,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785520011] [2023-11-17 17:18:50,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785520011] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:18:50,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:18:50,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-17 17:18:50,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873046100] [2023-11-17 17:18:50,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:18:50,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-17 17:18:50,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:18:50,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-17 17:18:50,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-17 17:18:50,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:50,285 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:18:50,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 17:18:50,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:50,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-17 17:18:50,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2023-11-17 17:18:50,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2023-11-17 17:18:50,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-17 17:18:50,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:18:50,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-11-17 17:18:50,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:18:50,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:51,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:51,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-17 17:18:51,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2023-11-17 17:18:51,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2023-11-17 17:18:51,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-17 17:18:51,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:18:51,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-17 17:18:51,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:18:51,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-17 17:18:51,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-17 17:18:51,992 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:18:51,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:18:51,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1522650861, now seen corresponding path program 4 times [2023-11-17 17:18:51,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:18:51,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018778664] [2023-11-17 17:18:51,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:18:51,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:18:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:18:52,345 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 76 proven. 30 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-17 17:18:52,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:18:52,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018778664] [2023-11-17 17:18:52,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018778664] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:18:52,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1665782908] [2023-11-17 17:18:52,346 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-17 17:18:52,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:18:52,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:18:52,347 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 17:18:52,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-17 17:18:52,553 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-17 17:18:52,553 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 17:18:52,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-17 17:18:52,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:18:52,701 INFO L378 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 15 treesize of output 11 [2023-11-17 17:18:52,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2023-11-17 17:18:52,859 INFO L378 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 15 treesize of output 11 [2023-11-17 17:18:52,890 INFO L349 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2023-11-17 17:18:52,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 27 treesize of output 26 [2023-11-17 17:18:52,949 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 74 proven. 30 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-17 17:18:52,949 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:18:52,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2023-11-17 17:18:53,253 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 71 proven. 35 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-17 17:18:53,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1665782908] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:18:53,254 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 17:18:53,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 19, 20] total 45 [2023-11-17 17:18:53,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787305745] [2023-11-17 17:18:53,254 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 17:18:53,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2023-11-17 17:18:53,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:18:53,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2023-11-17 17:18:53,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=344, Invalid=1636, Unknown=0, NotChecked=0, Total=1980 [2023-11-17 17:18:53,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:53,256 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:18:53,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 7.4222222222222225) internal successors, (334), 45 states have internal predecessors, (334), 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) [2023-11-17 17:18:53,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:53,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-17 17:18:53,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2023-11-17 17:18:53,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 180 states. [2023-11-17 17:18:53,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-17 17:18:53,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:18:53,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-11-17 17:18:53,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:18:53,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-11-17 17:18:53,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:58,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:18:58,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-17 17:18:58,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2023-11-17 17:18:58,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2023-11-17 17:18:58,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-17 17:18:58,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:18:58,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-17 17:18:58,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:18:58,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-17 17:18:58,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2023-11-17 17:18:58,107 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-11-17 17:18:58,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2023-11-17 17:18:58,299 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:18:58,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:18:58,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1472579296, now seen corresponding path program 5 times [2023-11-17 17:18:58,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:18:58,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664213002] [2023-11-17 17:18:58,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:18:58,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:18:58,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:19:00,797 INFO L134 CoverageAnalysis]: Checked inductivity of 971 backedges. 234 proven. 708 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-11-17 17:19:00,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:19:00,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664213002] [2023-11-17 17:19:00,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664213002] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:19:00,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375587920] [2023-11-17 17:19:00,798 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-17 17:19:00,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:19:00,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:19:00,799 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 17:19:00,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-17 17:19:04,009 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2023-11-17 17:19:04,009 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 17:19:04,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 61 conjunts are in the unsatisfiable core [2023-11-17 17:19:04,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:19:04,464 INFO L378 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 15 treesize of output 11 [2023-11-17 17:19:04,528 INFO L349 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2023-11-17 17:19:04,528 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 27 treesize of output 30 [2023-11-17 17:19:04,586 INFO L349 Elim1Store]: treesize reduction 16, result has 60.0 percent of original size [2023-11-17 17:19:04,586 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 45 [2023-11-17 17:19:06,737 INFO L349 Elim1Store]: treesize reduction 44, result has 38.0 percent of original size [2023-11-17 17:19:06,737 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 44 [2023-11-17 17:19:06,831 INFO L349 Elim1Store]: treesize reduction 52, result has 40.2 percent of original size [2023-11-17 17:19:06,832 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 53 treesize of output 59 [2023-11-17 17:19:15,142 INFO L349 Elim1Store]: treesize reduction 80, result has 32.2 percent of original size [2023-11-17 17:19:15,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 58 [2023-11-17 17:19:15,285 INFO L349 Elim1Store]: treesize reduction 96, result has 32.4 percent of original size [2023-11-17 17:19:15,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 64 treesize of output 73 [2023-11-17 17:19:29,721 INFO L349 Elim1Store]: treesize reduction 124, result has 28.3 percent of original size [2023-11-17 17:19:29,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 60 treesize of output 72 [2023-11-17 17:19:31,870 INFO L349 Elim1Store]: treesize reduction 148, result has 27.8 percent of original size [2023-11-17 17:19:31,870 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 75 treesize of output 87 [2023-11-17 17:19:52,431 INFO L349 Elim1Store]: treesize reduction 176, result has 25.4 percent of original size [2023-11-17 17:19:52,431 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 71 treesize of output 86 [2023-11-17 17:19:56,637 INFO L349 Elim1Store]: treesize reduction 208, result has 24.6 percent of original size [2023-11-17 17:19:56,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 86 treesize of output 101 [2023-11-17 17:20:23,238 INFO L349 Elim1Store]: treesize reduction 236, result has 23.1 percent of original size [2023-11-17 17:20:23,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 82 treesize of output 100 [2023-11-17 17:20:29,507 INFO L349 Elim1Store]: treesize reduction 276, result has 22.3 percent of original size [2023-11-17 17:20:29,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 97 treesize of output 115 [2023-11-17 17:21:02,501 INFO L349 Elim1Store]: treesize reduction 308, result has 20.2 percent of original size [2023-11-17 17:21:02,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 93 treesize of output 110 [2023-11-17 17:21:11,046 INFO L134 CoverageAnalysis]: Checked inductivity of 971 backedges. 792 proven. 162 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-17 17:21:11,046 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:23:29,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 65 [2023-11-17 17:23:56,378 INFO L134 CoverageAnalysis]: Checked inductivity of 971 backedges. 616 proven. 298 refuted. 40 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-17 17:23:56,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375587920] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:23:56,378 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 17:23:56,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 40, 35] total 92 [2023-11-17 17:23:56,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549446591] [2023-11-17 17:23:56,379 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 17:23:56,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2023-11-17 17:23:56,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:23:56,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2023-11-17 17:23:56,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1352, Invalid=6899, Unknown=121, NotChecked=0, Total=8372 [2023-11-17 17:23:56,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:23:56,383 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:23:56,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 8.58695652173913) internal successors, (790), 92 states have internal predecessors, (790), 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) [2023-11-17 17:23:56,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:23:56,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-17 17:23:56,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2023-11-17 17:23:56,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 180 states. [2023-11-17 17:23:56,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-17 17:23:56,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:23:56,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-11-17 17:23:56,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:23:56,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-11-17 17:23:56,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2023-11-17 17:23:56,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2023-11-17 17:24:22,161 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-11-17 17:24:22,164 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-17 17:24:22,164 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 [2023-11-17 17:24:22,164 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (12)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-17 17:24:22,164 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 [2023-11-17 17:24:22,164 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-17 17:24:22,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2023-11-17 17:24:22,352 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2023-11-17 17:24:22,352 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-17 17:24:22,353 INFO L445 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1, 1] [2023-11-17 17:24:22,353 INFO L307 ceAbstractionStarter]: Result for error location thrThread1of2ForFork0 was TIMEOUT (2/3) [2023-11-17 17:24:22,356 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances [2023-11-17 17:24:22,356 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-17 17:24:22,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 05:24:22 BasicIcfg [2023-11-17 17:24:22,359 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-17 17:24:22,359 INFO L158 Benchmark]: Toolchain (without parser) took 523501.19ms. Allocated memory was 334.5MB in the beginning and 2.2GB in the end (delta: 1.9GB). Free memory was 279.2MB in the beginning and 1.0GB in the end (delta: -732.5MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2023-11-17 17:24:22,360 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 206.6MB. Free memory is still 153.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 17:24:22,360 INFO L158 Benchmark]: CACSL2BoogieTranslator took 563.96ms. Allocated memory is still 334.5MB. Free memory was 278.7MB in the beginning and 249.9MB in the end (delta: 28.8MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2023-11-17 17:24:22,360 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.09ms. Allocated memory is still 334.5MB. Free memory was 249.9MB in the beginning and 247.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-11-17 17:24:22,360 INFO L158 Benchmark]: Boogie Preprocessor took 39.72ms. Allocated memory is still 334.5MB. Free memory was 247.8MB in the beginning and 246.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-11-17 17:24:22,360 INFO L158 Benchmark]: RCFGBuilder took 411.11ms. Allocated memory is still 334.5MB. Free memory was 246.2MB in the beginning and 231.0MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-11-17 17:24:22,361 INFO L158 Benchmark]: TraceAbstraction took 522435.39ms. Allocated memory was 334.5MB in the beginning and 2.2GB in the end (delta: 1.9GB). Free memory was 230.0MB in the beginning and 1.0GB in the end (delta: -781.8MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2023-11-17 17:24:22,361 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 206.6MB. Free memory is still 153.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 563.96ms. Allocated memory is still 334.5MB. Free memory was 278.7MB in the beginning and 249.9MB in the end (delta: 28.8MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 43.09ms. Allocated memory is still 334.5MB. Free memory was 249.9MB in the beginning and 247.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 39.72ms. Allocated memory is still 334.5MB. Free memory was 247.8MB in the beginning and 246.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 411.11ms. Allocated memory is still 334.5MB. Free memory was 246.2MB in the beginning and 231.0MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 522435.39ms. Allocated memory was 334.5MB in the beginning and 2.2GB in the end (delta: 1.9GB). Free memory was 230.0MB in the beginning and 1.0GB in the end (delta: -781.8MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 358, independent: 354, independent conditional: 18, independent unconditional: 336, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 356, independent: 354, independent conditional: 18, independent unconditional: 336, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 356, independent: 354, independent conditional: 18, independent unconditional: 336, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 356, independent: 354, independent conditional: 0, independent unconditional: 354, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 356, independent: 354, independent conditional: 0, independent unconditional: 354, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 356, independent: 354, independent conditional: 0, independent unconditional: 354, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 318, independent: 316, independent conditional: 0, independent unconditional: 316, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 318, independent: 315, independent conditional: 0, independent unconditional: 315, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, independent: 48, independent conditional: 0, independent unconditional: 48, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 356, independent: 38, independent conditional: 0, independent unconditional: 38, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 318, unknown conditional: 0, unknown unconditional: 318] , Statistics on independence cache: Total cache size (in pairs): 318, Positive cache size: 316, Positive conditional cache size: 0, Positive unconditional cache size: 316, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, 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: 2 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 51, Number of trivial persistent sets: 46, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 338, independent: 336, independent conditional: 0, independent unconditional: 336, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 358, independent: 354, independent conditional: 18, independent unconditional: 336, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 356, independent: 354, independent conditional: 18, independent unconditional: 336, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 356, independent: 354, independent conditional: 18, independent unconditional: 336, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 356, independent: 354, independent conditional: 0, independent unconditional: 354, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 356, independent: 354, independent conditional: 0, independent unconditional: 354, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 356, independent: 354, independent conditional: 0, independent unconditional: 354, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 318, independent: 316, independent conditional: 0, independent unconditional: 316, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 318, independent: 315, independent conditional: 0, independent unconditional: 315, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, independent: 48, independent conditional: 0, independent unconditional: 48, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 356, independent: 38, independent conditional: 0, independent unconditional: 38, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 318, unknown conditional: 0, unknown unconditional: 318] , Statistics on independence cache: Total cache size (in pairs): 318, Positive cache size: 316, Positive conditional cache size: 0, Positive unconditional cache size: 316, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, 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: 2 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1351172, independent: 1214438, independent conditional: 1208976, independent unconditional: 5462, dependent: 136734, dependent conditional: 136658, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1214775, independent: 1214438, independent conditional: 1208976, independent unconditional: 5462, dependent: 337, dependent conditional: 261, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1214775, independent: 1214438, independent conditional: 1208976, independent unconditional: 5462, dependent: 337, dependent conditional: 261, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1368480, independent: 1214438, independent conditional: 126694, independent unconditional: 1087744, dependent: 154042, dependent conditional: 116433, dependent unconditional: 37609, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1368480, independent: 1214438, independent conditional: 42330, independent unconditional: 1172108, dependent: 154042, dependent conditional: 85341, dependent unconditional: 68701, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1368480, independent: 1214438, independent conditional: 42330, independent unconditional: 1172108, dependent: 154042, dependent conditional: 85341, dependent unconditional: 68701, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6310, independent: 4869, independent conditional: 743, independent unconditional: 4126, dependent: 1441, dependent conditional: 1364, dependent unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6310, independent: 4093, independent conditional: 0, independent unconditional: 4093, dependent: 2217, dependent conditional: 0, dependent unconditional: 2217, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2217, independent: 776, independent conditional: 743, independent unconditional: 33, dependent: 1441, dependent conditional: 1364, dependent unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2217, independent: 776, independent conditional: 743, independent unconditional: 33, dependent: 1441, dependent conditional: 1364, dependent unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3601, independent: 1258, independent conditional: 1156, independent unconditional: 103, dependent: 2342, dependent conditional: 2202, dependent unconditional: 140, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1368480, independent: 1209569, independent conditional: 41587, independent unconditional: 1167982, dependent: 152601, dependent conditional: 83977, dependent unconditional: 68624, unknown: 6310, unknown conditional: 2107, unknown unconditional: 4203] , Statistics on independence cache: Total cache size (in pairs): 6310, Positive cache size: 4869, Positive conditional cache size: 743, Positive unconditional cache size: 4126, Negative cache size: 1441, Negative conditional cache size: 1364, Negative unconditional cache size: 77, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 115456, Maximal queried relation: 9, Independence queries for same thread: 136397 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.5s, Number of persistent set computation: 3644, Number of trivial persistent sets: 1262, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5538, independent: 5462, independent conditional: 0, independent unconditional: 5462, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1351172, independent: 1214438, independent conditional: 1208976, independent unconditional: 5462, dependent: 136734, dependent conditional: 136658, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1214775, independent: 1214438, independent conditional: 1208976, independent unconditional: 5462, dependent: 337, dependent conditional: 261, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1214775, independent: 1214438, independent conditional: 1208976, independent unconditional: 5462, dependent: 337, dependent conditional: 261, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1368480, independent: 1214438, independent conditional: 126694, independent unconditional: 1087744, dependent: 154042, dependent conditional: 116433, dependent unconditional: 37609, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1368480, independent: 1214438, independent conditional: 42330, independent unconditional: 1172108, dependent: 154042, dependent conditional: 85341, dependent unconditional: 68701, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1368480, independent: 1214438, independent conditional: 42330, independent unconditional: 1172108, dependent: 154042, dependent conditional: 85341, dependent unconditional: 68701, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6310, independent: 4869, independent conditional: 743, independent unconditional: 4126, dependent: 1441, dependent conditional: 1364, dependent unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6310, independent: 4093, independent conditional: 0, independent unconditional: 4093, dependent: 2217, dependent conditional: 0, dependent unconditional: 2217, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2217, independent: 776, independent conditional: 743, independent unconditional: 33, dependent: 1441, dependent conditional: 1364, dependent unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2217, independent: 776, independent conditional: 743, independent unconditional: 33, dependent: 1441, dependent conditional: 1364, dependent unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3601, independent: 1258, independent conditional: 1156, independent unconditional: 103, dependent: 2342, dependent conditional: 2202, dependent unconditional: 140, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1368480, independent: 1209569, independent conditional: 41587, independent unconditional: 1167982, dependent: 152601, dependent conditional: 83977, dependent unconditional: 68624, unknown: 6310, unknown conditional: 2107, unknown unconditional: 4203] , Statistics on independence cache: Total cache size (in pairs): 6310, Positive cache size: 4869, Positive conditional cache size: 743, Positive unconditional cache size: 4126, Negative cache size: 1441, Negative conditional cache size: 1364, Negative unconditional cache size: 77, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 115456, Maximal queried relation: 9, Independence queries for same thread: 136397 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 751195, independent: 677436, independent conditional: 672348, independent unconditional: 5088, dependent: 73759, dependent conditional: 73684, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 677560, independent: 677436, independent conditional: 672348, independent unconditional: 5088, dependent: 124, dependent conditional: 49, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 677560, independent: 677436, independent conditional: 672348, independent unconditional: 5088, dependent: 124, dependent conditional: 49, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 734257, independent: 677436, independent conditional: 56779, independent unconditional: 620657, dependent: 56821, dependent conditional: 39175, dependent unconditional: 17646, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 734257, independent: 677436, independent conditional: 19508, independent unconditional: 657928, dependent: 56821, dependent conditional: 32305, dependent unconditional: 24516, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 734257, independent: 677436, independent conditional: 19508, independent unconditional: 657928, dependent: 56821, dependent conditional: 32305, dependent unconditional: 24516, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4344, independent: 3934, independent conditional: 167, independent unconditional: 3767, dependent: 410, dependent conditional: 335, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4344, independent: 3734, independent conditional: 0, independent unconditional: 3734, dependent: 610, dependent conditional: 0, dependent unconditional: 610, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 610, independent: 200, independent conditional: 167, independent unconditional: 33, dependent: 410, dependent conditional: 335, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 610, independent: 200, independent conditional: 167, independent unconditional: 33, dependent: 410, dependent conditional: 335, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 768, independent: 266, independent conditional: 195, independent unconditional: 70, dependent: 502, dependent conditional: 423, dependent unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 734257, independent: 673502, independent conditional: 19341, independent unconditional: 654161, dependent: 56411, dependent conditional: 31970, dependent unconditional: 24441, unknown: 4344, unknown conditional: 502, unknown unconditional: 3842] , Statistics on independence cache: Total cache size (in pairs): 4344, Positive cache size: 3934, Positive conditional cache size: 167, Positive unconditional cache size: 3767, Negative cache size: 410, Negative conditional cache size: 335, Negative unconditional cache size: 75, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 44141, Maximal queried relation: 6, Independence queries for same thread: 73635 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 3479, Number of trivial persistent sets: 1162, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5163, independent: 5088, independent conditional: 0, independent unconditional: 5088, dependent: 75, dependent conditional: 0, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 751195, independent: 677436, independent conditional: 672348, independent unconditional: 5088, dependent: 73759, dependent conditional: 73684, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 677560, independent: 677436, independent conditional: 672348, independent unconditional: 5088, dependent: 124, dependent conditional: 49, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 677560, independent: 677436, independent conditional: 672348, independent unconditional: 5088, dependent: 124, dependent conditional: 49, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 734257, independent: 677436, independent conditional: 56779, independent unconditional: 620657, dependent: 56821, dependent conditional: 39175, dependent unconditional: 17646, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 734257, independent: 677436, independent conditional: 19508, independent unconditional: 657928, dependent: 56821, dependent conditional: 32305, dependent unconditional: 24516, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 734257, independent: 677436, independent conditional: 19508, independent unconditional: 657928, dependent: 56821, dependent conditional: 32305, dependent unconditional: 24516, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4344, independent: 3934, independent conditional: 167, independent unconditional: 3767, dependent: 410, dependent conditional: 335, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4344, independent: 3734, independent conditional: 0, independent unconditional: 3734, dependent: 610, dependent conditional: 0, dependent unconditional: 610, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 610, independent: 200, independent conditional: 167, independent unconditional: 33, dependent: 410, dependent conditional: 335, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 610, independent: 200, independent conditional: 167, independent unconditional: 33, dependent: 410, dependent conditional: 335, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 768, independent: 266, independent conditional: 195, independent unconditional: 70, dependent: 502, dependent conditional: 423, dependent unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 734257, independent: 673502, independent conditional: 19341, independent unconditional: 654161, dependent: 56411, dependent conditional: 31970, dependent unconditional: 24441, unknown: 4344, unknown conditional: 502, unknown unconditional: 3842] , Statistics on independence cache: Total cache size (in pairs): 4344, Positive cache size: 3934, Positive conditional cache size: 167, Positive unconditional cache size: 3767, Negative cache size: 410, Negative conditional cache size: 335, Negative unconditional cache size: 75, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 44141, Maximal queried relation: 6, Independence queries for same thread: 73635 - TimeoutResultAtElement [Line: 1025]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 115 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 2, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 50 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 5/5 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thrThread2of2ForFork0 with 1 thread instances CFG has 4 procedures, 146 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 172.3s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 71.4s, 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: 1429, 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: 0.3s SsaConstructionTime, 3.2s SatisfiabilityAnalysisTime, 94.6s InterpolantComputationTime, 4452 NumberOfCodeBlocks, 4419 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 5653 ConstructedInterpolants, 83 QuantifiedInterpolants, 31180 SizeOfPredicates, 80 NumberOfNonLiveVariables, 3965 ConjunctsInSsa, 226 ConjunctsInUnsatCore, 27 InterpolantComputations, 7 PerfectInterpolantSequences, 9768/14775 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thrThread1of2ForFork0 with 1 thread instances CFG has 4 procedures, 146 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 349.1s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 43.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 589, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 299.7s InterpolantComputationTime, 2894 NumberOfCodeBlocks, 2887 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 4026 ConstructedInterpolants, 148 QuantifiedInterpolants, 26721 SizeOfPredicates, 75 NumberOfNonLiveVariables, 2516 ConjunctsInSsa, 184 ConjunctsInUnsatCore, 23 InterpolantComputations, 5 PerfectInterpolantSequences, 5341/8379 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