/usr/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/NewStatesSleep-VarAbsGlobalSyntactic.epf -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/09-regions_17-arrayloop_nr.line355.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-09-29 19:37:03,490 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 19:37:03,492 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 19:37:03,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-29 19:37:03,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-29 19:37:03,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-29 19:37:03,517 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-29 19:37:03,519 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-29 19:37:03,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-29 19:37:03,520 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-29 19:37:03,521 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-29 19:37:03,522 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-29 19:37:03,522 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-29 19:37:03,523 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-29 19:37:03,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-29 19:37:03,525 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-29 19:37:03,525 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-29 19:37:03,526 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-29 19:37:03,527 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-29 19:37:03,529 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-29 19:37:03,530 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-29 19:37:03,531 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-29 19:37:03,531 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-29 19:37:03,532 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-29 19:37:03,535 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-29 19:37:03,535 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-29 19:37:03,535 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-29 19:37:03,536 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-29 19:37:03,536 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-29 19:37:03,537 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-29 19:37:03,537 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-29 19:37:03,538 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-29 19:37:03,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-29 19:37:03,539 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-29 19:37:03,540 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-29 19:37:03,540 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-29 19:37:03,540 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-29 19:37:03,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-29 19:37:03,541 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 19:37:03,541 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 19:37:03,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 19:37:03,543 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-09-29 19:37:03,560 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 19:37:03,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 19:37:03,561 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 19:37:03,561 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 19:37:03,561 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-29 19:37:03,562 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-29 19:37:03,562 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 19:37:03,562 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 19:37:03,562 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 19:37:03,563 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 19:37:03,563 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 19:37:03,563 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 19:37:03,563 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 19:37:03,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 19:37:03,564 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-29 19:37:03,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-29 19:37:03,564 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-29 19:37:03,564 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 19:37:03,564 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 19:37:03,564 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 19:37:03,565 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-29 19:37:03,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 19:37:03,565 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 19:37:03,565 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-29 19:37:03,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-29 19:37:03,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-29 19:37:03,566 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 19:37:03,566 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-29 19:37:03,566 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-29 19:37:03,566 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 19:37:03,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-29 19:37:03,567 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-29 19:37:03,567 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-09-29 19:37:03,567 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-09-29 19:37:03,567 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-29 19:37:03,567 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-09-29 19:37:03,567 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-09-29 19:37:03,567 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-09-29 19:37:03,568 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 19:37:03,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 19:37:03,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 19:37:03,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 19:37:03,790 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 19:37:03,790 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 19:37:03,791 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/09-regions_17-arrayloop_nr.line355.bpl [2022-09-29 19:37:03,792 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/09-regions_17-arrayloop_nr.line355.bpl' [2022-09-29 19:37:03,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 19:37:03,838 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-09-29 19:37:03,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 19:37:03,839 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 19:37:03,839 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 19:37:03,852 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "09-regions_17-arrayloop_nr.line355.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 07:37:03" (1/1) ... [2022-09-29 19:37:03,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "09-regions_17-arrayloop_nr.line355.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 07:37:03" (1/1) ... [2022-09-29 19:37:03,884 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "09-regions_17-arrayloop_nr.line355.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 07:37:03" (1/1) ... [2022-09-29 19:37:03,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "09-regions_17-arrayloop_nr.line355.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 07:37:03" (1/1) ... [2022-09-29 19:37:03,909 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "09-regions_17-arrayloop_nr.line355.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 07:37:03" (1/1) ... [2022-09-29 19:37:03,912 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "09-regions_17-arrayloop_nr.line355.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 07:37:03" (1/1) ... [2022-09-29 19:37:03,925 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "09-regions_17-arrayloop_nr.line355.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 07:37:03" (1/1) ... [2022-09-29 19:37:03,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 19:37:03,932 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 19:37:03,932 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 19:37:03,932 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 19:37:03,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "09-regions_17-arrayloop_nr.line355.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 07:37:03" (1/1) ... [2022-09-29 19:37:03,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-29 19:37:03,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 19:37:03,976 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) [2022-09-29 19:37:03,989 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 [2022-09-29 19:37:04,023 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-09-29 19:37:04,024 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-09-29 19:37:04,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 19:37:04,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 19:37:04,025 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-29 19:37:04,222 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 19:37:04,223 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 19:37:04,591 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 19:37:04,607 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 19:37:04,607 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-09-29 19:37:04,610 INFO L202 PluginConnector]: Adding new model 09-regions_17-arrayloop_nr.line355.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 07:37:04 BoogieIcfgContainer [2022-09-29 19:37:04,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 19:37:04,612 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-29 19:37:04,612 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-29 19:37:04,615 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-29 19:37:04,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "09-regions_17-arrayloop_nr.line355.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 07:37:03" (1/2) ... [2022-09-29 19:37:04,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b112e3c and model type 09-regions_17-arrayloop_nr.line355.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 07:37:04, skipping insertion in model container [2022-09-29 19:37:04,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "09-regions_17-arrayloop_nr.line355.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 07:37:04" (2/2) ... [2022-09-29 19:37:04,618 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_17-arrayloop_nr.line355.bpl [2022-09-29 19:37:04,624 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-29 19:37:04,635 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-29 19:37:04,635 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-09-29 19:37:04,635 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-29 19:37:04,728 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-29 19:37:04,768 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-29 19:37:04,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-29 19:37:04,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 19:37:04,775 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) [2022-09-29 19:37:04,790 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 [2022-09-29 19:37:04,821 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-29 19:37:04,827 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-09-29 19:37:04,833 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1f2c298f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-29 19:37:04,833 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-29 19:37:04,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-09-29 19:37:04,892 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-09-29 19:37:04,894 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (1/3) [2022-09-29 19:37:04,911 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-29 19:37:04,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-29 19:37:04,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 19:37:04,914 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) [2022-09-29 19:37:04,916 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 [2022-09-29 19:37:04,924 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-29 19:37:04,924 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funErr0ASSERT_VIOLATIONASSERT ======== [2022-09-29 19:37:04,926 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1f2c298f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-29 19:37:04,926 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-29 19:37:04,926 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-09-29 19:37:04,926 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-09-29 19:37:04,927 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-09-29 19:37:04,927 INFO L307 ceAbstractionStarter]: Result for error location t_funErr0ASSERT_VIOLATIONASSERT was SAFE (2/3) [2022-09-29 19:37:04,934 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-29 19:37:04,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-29 19:37:04,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 19:37:04,971 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-09-29 19:37:04,979 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-29 19:37:04,979 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funErr0ASSERT_VIOLATIONASSERT ======== [2022-09-29 19:37:04,980 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1f2c298f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-29 19:37:04,980 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-29 19:37:04,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-09-29 19:37:05,080 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONASSERT === [t_funErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 19:37:05,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 19:37:05,084 INFO L85 PathProgramCache]: Analyzing trace with hash 293773330, now seen corresponding path program 1 times [2022-09-29 19:37:05,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 19:37:05,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438257680] [2022-09-29 19:37:05,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 19:37:05,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 19:37:05,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 19:37:05,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 19:37:05,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 19:37:05,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438257680] [2022-09-29 19:37:05,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438257680] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 19:37:05,366 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 19:37:05,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-29 19:37:05,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986069202] [2022-09-29 19:37:05,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 19:37:05,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-09-29 19:37:05,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 19:37:05,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-09-29 19:37:05,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-09-29 19:37:05,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:37:05,405 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 19:37:05,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 59.0) internal successors, (118), 2 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 19:37:05,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:37:05,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:37:05,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-29 19:37:05,439 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONASSERT === [t_funErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 19:37:05,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 19:37:05,439 INFO L85 PathProgramCache]: Analyzing trace with hash 574123219, now seen corresponding path program 1 times [2022-09-29 19:37:05,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 19:37:05,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455037747] [2022-09-29 19:37:05,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 19:37:05,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 19:37:05,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 19:37:05,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 19:37:05,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 19:37:05,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455037747] [2022-09-29 19:37:05,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455037747] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 19:37:05,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 19:37:05,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-29 19:37:05,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745184444] [2022-09-29 19:37:05,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 19:37:05,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-29 19:37:05,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 19:37:05,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-29 19:37:05,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-29 19:37:05,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:37:05,561 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 19:37:05,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 19:37:05,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:37:05,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:37:05,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:37:05,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-29 19:37:05,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-29 19:37:05,616 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONASSERT === [t_funErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 19:37:05,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 19:37:05,616 INFO L85 PathProgramCache]: Analyzing trace with hash -2096201069, now seen corresponding path program 1 times [2022-09-29 19:37:05,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 19:37:05,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659340891] [2022-09-29 19:37:05,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 19:37:05,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 19:37:05,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 19:37:05,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 19:37:05,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 19:37:05,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659340891] [2022-09-29 19:37:05,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659340891] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 19:37:05,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525317364] [2022-09-29 19:37:05,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 19:37:05,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 19:37:05,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 19:37:05,828 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) [2022-09-29 19:37:05,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-09-29 19:37:06,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 19:37:06,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 19:37:06,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 19:37:06,156 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 19:37:06,157 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-29 19:37:06,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 19:37:06,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1525317364] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-29 19:37:06,262 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-29 19:37:06,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-09-29 19:37:06,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554616443] [2022-09-29 19:37:06,263 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-29 19:37:06,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-09-29 19:37:06,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 19:37:06,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-09-29 19:37:06,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-09-29 19:37:06,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:37:06,268 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 19:37:06,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 27.9) internal successors, (279), 10 states have internal predecessors, (279), 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) [2022-09-29 19:37:06,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:37:06,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-29 19:37:06,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:37:06,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:37:06,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-29 19:37:06,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-09-29 19:37:06,430 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-09-29 19:37:06,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 19:37:06,616 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONASSERT === [t_funErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 19:37:06,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 19:37:06,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1133811053, now seen corresponding path program 2 times [2022-09-29 19:37:06,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 19:37:06,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039015614] [2022-09-29 19:37:06,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 19:37:06,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 19:37:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 19:37:06,801 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-09-29 19:37:06,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 19:37:06,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039015614] [2022-09-29 19:37:06,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039015614] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 19:37:06,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 19:37:06,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-09-29 19:37:06,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969401548] [2022-09-29 19:37:06,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 19:37:06,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-09-29 19:37:06,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 19:37:06,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-09-29 19:37:06,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-09-29 19:37:06,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:37:06,810 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 19:37:06,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 34.2) internal successors, (171), 6 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) [2022-09-29 19:37:06,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:37:06,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-29 19:37:06,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-09-29 19:37:06,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:37:09,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:37:09,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-29 19:37:09,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-09-29 19:37:09,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-09-29 19:37:09,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-29 19:37:09,014 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONASSERT === [t_funErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 19:37:09,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 19:37:09,015 INFO L85 PathProgramCache]: Analyzing trace with hash 786912059, now seen corresponding path program 1 times [2022-09-29 19:37:09,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 19:37:09,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760926265] [2022-09-29 19:37:09,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 19:37:09,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 19:37:10,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 19:37:14,042 INFO L134 CoverageAnalysis]: Checked inductivity of 35207 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 35045 trivial. 0 not checked. [2022-09-29 19:37:14,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 19:37:14,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760926265] [2022-09-29 19:37:14,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760926265] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 19:37:14,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1591126446] [2022-09-29 19:37:14,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 19:37:14,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 19:37:14,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 19:37:14,045 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) [2022-09-29 19:37:14,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-09-29 19:37:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 19:37:15,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 10549 conjuncts, 8 conjunts are in the unsatisfiable core [2022-09-29 19:37:16,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 19:37:16,353 INFO L134 CoverageAnalysis]: Checked inductivity of 35207 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 35045 trivial. 0 not checked. [2022-09-29 19:37:16,354 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-29 19:37:16,652 INFO L134 CoverageAnalysis]: Checked inductivity of 35207 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 35045 trivial. 0 not checked. [2022-09-29 19:37:16,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1591126446] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-29 19:37:16,653 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-29 19:37:16,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-09-29 19:37:16,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100253240] [2022-09-29 19:37:16,654 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-29 19:37:16,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-29 19:37:16,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 19:37:16,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-29 19:37:16,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-09-29 19:37:16,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:37:16,662 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 19:37:16,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 37.833333333333336) internal successors, (681), 18 states have internal predecessors, (681), 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) [2022-09-29 19:37:16,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:37:16,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-29 19:37:16,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-09-29 19:37:16,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-09-29 19:37:16,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:37:18,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:37:18,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-29 19:37:18,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-09-29 19:37:18,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-09-29 19:37:18,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-09-29 19:37:18,034 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-09-29 19:37:18,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 19:37:18,207 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONASSERT === [t_funErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 19:37:18,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 19:37:18,209 INFO L85 PathProgramCache]: Analyzing trace with hash -191003845, now seen corresponding path program 2 times [2022-09-29 19:37:18,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 19:37:18,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962773429] [2022-09-29 19:37:18,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 19:37:18,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 19:37:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 19:37:22,527 INFO L134 CoverageAnalysis]: Checked inductivity of 36165 backedges. 0 proven. 1120 refuted. 0 times theorem prover too weak. 35045 trivial. 0 not checked. [2022-09-29 19:37:22,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 19:37:22,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962773429] [2022-09-29 19:37:22,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962773429] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 19:37:22,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1775989154] [2022-09-29 19:37:22,529 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-09-29 19:37:22,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 19:37:22,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 19:37:22,531 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) [2022-09-29 19:37:22,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-09-29 19:37:24,471 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-09-29 19:37:24,471 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-09-29 19:37:24,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 11149 conjuncts, 16 conjunts are in the unsatisfiable core [2022-09-29 19:37:24,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 19:37:25,011 INFO L134 CoverageAnalysis]: Checked inductivity of 36165 backedges. 0 proven. 1120 refuted. 0 times theorem prover too weak. 35045 trivial. 0 not checked. [2022-09-29 19:37:25,011 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-29 19:37:25,650 INFO L134 CoverageAnalysis]: Checked inductivity of 36165 backedges. 0 proven. 1120 refuted. 0 times theorem prover too weak. 35045 trivial. 0 not checked. [2022-09-29 19:37:25,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1775989154] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-29 19:37:25,650 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-29 19:37:25,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2022-09-29 19:37:25,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618793324] [2022-09-29 19:37:25,652 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-29 19:37:25,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-29 19:37:25,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 19:37:25,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-29 19:37:25,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-09-29 19:37:25,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:37:25,660 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 19:37:25,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 36.52173913043478) internal successors, (840), 23 states have internal predecessors, (840), 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) [2022-09-29 19:37:25,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:37:25,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-29 19:37:25,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-09-29 19:37:25,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-09-29 19:37:25,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-09-29 19:37:25,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:37:26,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:37:26,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-29 19:37:26,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-09-29 19:37:26,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-09-29 19:37:26,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-09-29 19:37:26,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-09-29 19:37:26,990 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-09-29 19:37:27,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 19:37:27,176 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONASSERT === [t_funErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 19:37:27,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 19:37:27,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1248763653, now seen corresponding path program 3 times [2022-09-29 19:37:27,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 19:37:27,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963432102] [2022-09-29 19:37:27,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 19:37:27,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 19:37:28,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 19:37:32,625 INFO L134 CoverageAnalysis]: Checked inductivity of 37440 backedges. 2903 proven. 28673 refuted. 0 times theorem prover too weak. 5864 trivial. 0 not checked. [2022-09-29 19:37:32,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 19:37:32,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963432102] [2022-09-29 19:37:32,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963432102] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 19:37:32,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [856417302] [2022-09-29 19:37:32,626 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-09-29 19:37:32,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 19:37:32,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 19:37:32,627 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) [2022-09-29 19:37:32,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process Received shutdown request... [2022-09-29 19:51:34,115 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-09-29 19:51:34,115 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 [2022-09-29 19:51:34,115 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 [2022-09-29 19:51:34,115 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-09-29 19:51:34,115 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 [2022-09-29 19:51:35,203 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2022-09-29 19:51:35,203 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-09-29 19:51:35,205 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Ended with exit code 0 [2022-09-29 19:51:35,205 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 [2022-09-29 19:51:35,316 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forcibly destroying the process [2022-09-29 19:51:35,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 137 [2022-09-29 19:51:35,376 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-09-29 19:51:35,376 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-09-29 19:51:35,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2022-09-29 19:51:35,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955695921] [2022-09-29 19:51:35,377 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-09-29 19:51:35,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-09-29 19:51:35,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 19:51:35,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-09-29 19:51:35,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2022-09-29 19:51:35,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:51:35,382 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 19:51:35,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 103.0) internal successors, (2163), 21 states have internal predecessors, (2163), 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) [2022-09-29 19:51:35,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:51:35,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-29 19:51:35,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-09-29 19:51:35,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-09-29 19:51:35,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-09-29 19:51:35,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-09-29 19:51:35,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:51:35,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-09-29 19:51:35,384 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2022-09-29 19:51:35,385 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-09-29 19:51:35,389 INFO L444 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1] [2022-09-29 19:51:35,389 INFO L307 ceAbstractionStarter]: Result for error location t_funErr0ASSERT_VIOLATIONASSERT was TIMEOUT (3/3) [2022-09-29 19:51:35,392 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-29 19:51:35,392 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-29 19:51:35,403 INFO L202 PluginConnector]: Adding new model 09-regions_17-arrayloop_nr.line355.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 07:51:35 BasicIcfg [2022-09-29 19:51:35,404 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-29 19:51:35,404 INFO L158 Benchmark]: Toolchain (without parser) took 871566.34ms. Allocated memory was 183.5MB in the beginning and 6.7GB in the end (delta: 6.5GB). Free memory was 134.7MB in the beginning and 4.1GB in the end (delta: -3.9GB). Peak memory consumption was 2.6GB. Max. memory is 8.0GB. [2022-09-29 19:51:35,404 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.35ms. Allocated memory is still 183.5MB. Free memory is still 137.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 19:51:35,405 INFO L158 Benchmark]: Boogie Preprocessor took 92.39ms. Allocated memory is still 183.5MB. Free memory was 134.7MB in the beginning and 131.3MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-29 19:51:35,405 INFO L158 Benchmark]: RCFGBuilder took 677.63ms. Allocated memory was 183.5MB in the beginning and 323.0MB in the end (delta: 139.5MB). Free memory was 131.3MB in the beginning and 275.3MB in the end (delta: -144.1MB). Peak memory consumption was 18.3MB. Max. memory is 8.0GB. [2022-09-29 19:51:35,405 INFO L158 Benchmark]: TraceAbstraction took 870791.97ms. Allocated memory was 323.0MB in the beginning and 6.7GB in the end (delta: 6.4GB). Free memory was 274.8MB in the beginning and 4.1GB in the end (delta: -3.8GB). Peak memory consumption was 2.6GB. Max. memory is 8.0GB. [2022-09-29 19:51:35,406 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.35ms. Allocated memory is still 183.5MB. Free memory is still 137.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 92.39ms. Allocated memory is still 183.5MB. Free memory was 134.7MB in the beginning and 131.3MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 677.63ms. Allocated memory was 183.5MB in the beginning and 323.0MB in the end (delta: 139.5MB). Free memory was 131.3MB in the beginning and 275.3MB in the end (delta: -144.1MB). Peak memory consumption was 18.3MB. Max. memory is 8.0GB. * TraceAbstraction took 870791.97ms. Allocated memory was 323.0MB in the beginning and 6.7GB in the end (delta: 6.4GB). Free memory was 274.8MB in the beginning and 4.1GB in the end (delta: -3.8GB). Peak memory consumption was 2.6GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 3, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 0, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 56, positive: 50, positive conditional: 50, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 98099, positive: 95404, positive conditional: 95404, positive unconditional: 0, negative: 2695, negative conditional: 2695, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 95950, positive: 95404, positive conditional: 0, positive unconditional: 95404, negative: 546, negative conditional: 0, negative unconditional: 546, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 11510, positive: 11430, positive conditional: 0, positive unconditional: 11430, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 95950, positive: 83974, positive conditional: 0, positive unconditional: 83974, negative: 466, negative conditional: 0, negative unconditional: 466, unknown: 11510, unknown conditional: 0, unknown unconditional: 11510] , Statistics on independence cache: Total cache size (in pairs): 50, Positive cache size: 50, Positive conditional cache size: 0, Positive unconditional cache size: 50, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 6, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 52, positive: 48, positive conditional: 48, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 98099, positive: 95404, positive conditional: 95404, positive unconditional: 0, negative: 2695, negative conditional: 2695, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 95950, positive: 95404, positive conditional: 0, positive unconditional: 95404, negative: 546, negative conditional: 0, negative unconditional: 546, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 11510, positive: 11430, positive conditional: 0, positive unconditional: 11430, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 95950, positive: 83974, positive conditional: 0, positive unconditional: 83974, negative: 466, negative conditional: 0, negative unconditional: 466, unknown: 11510, unknown conditional: 0, unknown unconditional: 11510] , Statistics on independence cache: Total cache size (in pairs): 50, Positive cache size: 50, Positive conditional cache size: 0, Positive unconditional cache size: 50, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 10, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 55, positive: 48, positive conditional: 48, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 98099, positive: 95404, positive conditional: 95404, positive unconditional: 0, negative: 2695, negative conditional: 2695, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 95950, positive: 95404, positive conditional: 0, positive unconditional: 95404, negative: 546, negative conditional: 0, negative unconditional: 546, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 11510, positive: 11430, positive conditional: 0, positive unconditional: 11430, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 95950, positive: 83974, positive conditional: 0, positive unconditional: 83974, negative: 466, negative conditional: 0, negative unconditional: 466, unknown: 11510, unknown conditional: 0, unknown unconditional: 11510] , Statistics on independence cache: Total cache size (in pairs): 50, Positive cache size: 50, Positive conditional cache size: 0, Positive unconditional cache size: 50, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 17, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 61, positive: 48, positive conditional: 48, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 98099, positive: 95404, positive conditional: 95404, positive unconditional: 0, negative: 2695, negative conditional: 2695, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 95950, positive: 95404, positive conditional: 0, positive unconditional: 95404, negative: 546, negative conditional: 0, negative unconditional: 546, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 11510, positive: 11430, positive conditional: 0, positive unconditional: 11430, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 95950, positive: 83974, positive conditional: 0, positive unconditional: 83974, negative: 466, negative conditional: 0, negative unconditional: 466, unknown: 11510, unknown conditional: 0, unknown unconditional: 11510] , Statistics on independence cache: Total cache size (in pairs): 50, Positive cache size: 50, Positive conditional cache size: 0, Positive unconditional cache size: 50, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 30, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 32670, positive: 31762, positive conditional: 31762, positive unconditional: 0, negative: 908, negative conditional: 908, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 98099, positive: 95404, positive conditional: 95404, positive unconditional: 0, negative: 2695, negative conditional: 2695, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 95950, positive: 95404, positive conditional: 0, positive unconditional: 95404, negative: 546, negative conditional: 0, negative unconditional: 546, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 11510, positive: 11430, positive conditional: 0, positive unconditional: 11430, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 95950, positive: 83974, positive conditional: 0, positive unconditional: 83974, negative: 466, negative conditional: 0, negative unconditional: 466, unknown: 11510, unknown conditional: 0, unknown unconditional: 11510] , Statistics on independence cache: Total cache size (in pairs): 11510, Positive cache size: 11430, Positive conditional cache size: 0, Positive unconditional cache size: 11430, Negative cache size: 80, Negative conditional cache size: 0, Negative unconditional cache size: 80, Independence queries for same thread: 756, Statistics for Abstraction: - StatisticsResult: Independence relation #6 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 32598, positive: 31724, positive conditional: 31724, positive unconditional: 0, negative: 874, negative conditional: 874, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 98099, positive: 95404, positive conditional: 95404, positive unconditional: 0, negative: 2695, negative conditional: 2695, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 95950, positive: 95404, positive conditional: 0, positive unconditional: 95404, negative: 546, negative conditional: 0, negative unconditional: 546, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 11510, positive: 11430, positive conditional: 0, positive unconditional: 11430, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 95950, positive: 83974, positive conditional: 0, positive unconditional: 83974, negative: 466, negative conditional: 0, negative unconditional: 466, unknown: 11510, unknown conditional: 0, unknown unconditional: 11510] , Statistics on independence cache: Total cache size (in pairs): 11510, Positive cache size: 11430, Positive conditional cache size: 0, Positive unconditional cache size: 11430, Negative cache size: 80, Negative conditional cache size: 0, Negative unconditional cache size: 80, Independence queries for same thread: 1448, Statistics for Abstraction: - StatisticsResult: Independence relation #7 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 32607, positive: 31724, positive conditional: 31724, positive unconditional: 0, negative: 883, negative conditional: 883, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 98099, positive: 95404, positive conditional: 95404, positive unconditional: 0, negative: 2695, negative conditional: 2695, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 95950, positive: 95404, positive conditional: 0, positive unconditional: 95404, negative: 546, negative conditional: 0, negative unconditional: 546, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 11510, positive: 11430, positive conditional: 0, positive unconditional: 11430, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 95950, positive: 83974, positive conditional: 0, positive unconditional: 83974, negative: 466, negative conditional: 0, negative unconditional: 466, unknown: 11510, unknown conditional: 0, unknown unconditional: 11510] , Statistics on independence cache: Total cache size (in pairs): 11510, Positive cache size: 11430, Positive conditional cache size: 0, Positive unconditional cache size: 11430, Negative cache size: 80, Negative conditional cache size: 0, Negative unconditional cache size: 80, Independence queries for same thread: 2149, Statistics for Abstraction: - StatisticsResult: Independence relation #8 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 98099, positive: 95404, positive conditional: 95404, positive unconditional: 0, negative: 2695, negative conditional: 2695, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 95950, positive: 95404, positive conditional: 0, positive unconditional: 95404, negative: 546, negative conditional: 0, negative unconditional: 546, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 11510, positive: 11430, positive conditional: 0, positive unconditional: 11430, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 95950, positive: 83974, positive conditional: 0, positive unconditional: 83974, negative: 466, negative conditional: 0, negative unconditional: 466, unknown: 11510, unknown conditional: 0, unknown unconditional: 11510] , Statistics on independence cache: Total cache size (in pairs): 11510, Positive cache size: 11430, Positive conditional cache size: 0, Positive unconditional cache size: 11430, Negative cache size: 80, Negative conditional cache size: 0, Negative unconditional cache size: 80, Independence queries for same thread: 2149, Statistics for Abstraction: - TimeoutResultAtElement [Line: 355]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 3 procedures, 475 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.1s, 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: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: t_funErr0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 3 procedures, 475 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, 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: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: t_funErr0ASSERT_VIOLATIONASSERT with 2 thread instances CFG has 3 procedures, 475 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 870.4s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 5.1s, 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: 74, 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: 1.1s SsaConstructionTime, 5.1s SatisfiabilityAnalysisTime, 14.1s InterpolantComputationTime, 21000 NumberOfCodeBlocks, 21000 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 29110 ConstructedInterpolants, 0 QuantifiedInterpolants, 39692 SizeOfPredicates, 22 NumberOfNonLiveVariables, 22134 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 13 InterpolantComputations, 3 PerfectInterpolantSequences, 219199/251721 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