/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 [2022-10-03 12:27:26,745 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-03 12:27:26,746 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-03 12:27:26,771 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-03 12:27:26,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-03 12:27:26,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-03 12:27:26,775 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-03 12:27:26,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-03 12:27:26,777 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-03 12:27:26,778 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-03 12:27:26,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-03 12:27:26,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-03 12:27:26,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-03 12:27:26,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-03 12:27:26,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-03 12:27:26,781 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-03 12:27:26,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-03 12:27:26,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-03 12:27:26,783 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-03 12:27:26,784 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-03 12:27:26,785 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-03 12:27:26,787 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-03 12:27:26,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-03 12:27:26,788 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-03 12:27:26,790 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-03 12:27:26,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-03 12:27:26,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-03 12:27:26,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-03 12:27:26,800 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-03 12:27:26,830 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-03 12:27:26,830 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-03 12:27:26,831 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-03 12:27:26,831 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-03 12:27:26,831 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-03 12:27:26,831 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-03 12:27:26,832 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-03 12:27:26,832 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-03 12:27:26,832 INFO L138 SettingsManager]: * Use SBE=true [2022-10-03 12:27:26,832 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-03 12:27:26,833 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-03 12:27:26,833 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-03 12:27:26,833 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-03 12:27:26,833 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-03 12:27:26,833 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-03 12:27:26,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-03 12:27:26,833 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-03 12:27:26,833 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-03 12:27:26,833 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-03 12:27:26,834 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-03 12:27:26,834 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-03 12:27:26,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-03 12:27:26,834 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-03 12:27:26,835 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-03 12:27:26,835 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-03 12:27:26,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-03 12:27:26,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-03 12:27:26,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-03 12:27:26,835 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-03 12:27:26,835 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-03 12:27:26,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-03 12:27:26,836 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-03 12:27:26,836 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-03 12:27:26,836 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-03 12:27:26,836 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-03 12:27:26,836 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-03 12:27:26,836 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-03 12:27:26,836 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-03 12:27:26,836 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-03 12:27:27,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-03 12:27:27,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-03 12:27:27,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-03 12:27:27,050 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-03 12:27:27,051 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-03 12:27:27,052 INFO L432 ainManager$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 [2022-10-03 12:27:27,052 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' [2022-10-03 12:27:27,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-03 12:27:27,092 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-10-03 12:27:27,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-03 12:27:27,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-03 12:27:27,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-03 12:27:27,104 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 03.10 12:27:27" (1/1) ... [2022-10-03 12:27:27,105 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 03.10 12:27:27" (1/1) ... [2022-10-03 12:27:27,137 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 03.10 12:27:27" (1/1) ... [2022-10-03 12:27:27,138 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 03.10 12:27:27" (1/1) ... [2022-10-03 12:27:27,151 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 03.10 12:27:27" (1/1) ... [2022-10-03 12:27:27,154 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 03.10 12:27:27" (1/1) ... [2022-10-03 12:27:27,156 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 03.10 12:27:27" (1/1) ... [2022-10-03 12:27:27,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-03 12:27:27,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-03 12:27:27,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-03 12:27:27,162 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-03 12:27:27,163 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 03.10 12:27:27" (1/1) ... [2022-10-03 12:27:27,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-03 12:27:27,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 12:27:27,198 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) [2022-10-03 12:27:27,200 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 [2022-10-03 12:27:27,227 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-10-03 12:27:27,228 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-10-03 12:27:27,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-03 12:27:27,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-03 12:27:27,229 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-03 12:27:27,336 INFO L234 CfgBuilder]: Building ICFG [2022-10-03 12:27:27,337 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-03 12:27:27,699 INFO L275 CfgBuilder]: Performing block encoding [2022-10-03 12:27:27,711 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-03 12:27:27,711 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-03 12:27:27,713 INFO L202 PluginConnector]: Adding new model 09-regions_17-arrayloop_nr.line355.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:27:27 BoogieIcfgContainer [2022-10-03 12:27:27,713 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-03 12:27:27,715 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-03 12:27:27,715 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-03 12:27:27,725 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-03 12:27:27,725 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 03.10 12:27:27" (1/2) ... [2022-10-03 12:27:27,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55718c76 and model type 09-regions_17-arrayloop_nr.line355.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 12:27:27, skipping insertion in model container [2022-10-03 12:27:27,726 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 03.10 12:27:27" (2/2) ... [2022-10-03 12:27:27,727 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_17-arrayloop_nr.line355.bpl [2022-10-03 12:27:27,733 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-03 12:27:27,741 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-03 12:27:27,741 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-03 12:27:27,741 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-03 12:27:27,848 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-10-03 12:27:27,894 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-03 12:27:27,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-03 12:27:27,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 12:27:27,897 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) [2022-10-03 12:27:27,898 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 [2022-10-03 12:27:27,924 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-03 12:27:27,929 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-03 12:27:27,940 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;@69b71de1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-03 12:27:27,940 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-03 12:27:28,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-03 12:27:28,005 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-03 12:27:28,006 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (1/3) [2022-10-03 12:27:28,012 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-03 12:27:28,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-03 12:27:28,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 12:27:28,015 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) [2022-10-03 12:27:28,016 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 [2022-10-03 12:27:28,020 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-03 12:27:28,020 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funErr0ASSERT_VIOLATIONASSERT ======== [2022-10-03 12:27:28,021 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;@69b71de1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-03 12:27:28,021 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-03 12:27:28,021 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-10-03 12:27:28,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-03 12:27:28,022 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-03 12:27:28,022 INFO L307 ceAbstractionStarter]: Result for error location t_funErr0ASSERT_VIOLATIONASSERT was SAFE (2/3) [2022-10-03 12:27:28,027 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-03 12:27:28,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-03 12:27:28,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 12:27:28,070 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) [2022-10-03 12:27:28,074 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 [2022-10-03 12:27:28,078 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-03 12:27:28,078 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funErr0ASSERT_VIOLATIONASSERT ======== [2022-10-03 12:27:28,079 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;@69b71de1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-03 12:27:28,079 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-03 12:27:28,187 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONASSERT === [t_funErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 12:27:28,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 12:27:28,190 INFO L85 PathProgramCache]: Analyzing trace with hash 293773330, now seen corresponding path program 1 times [2022-10-03 12:27:28,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 12:27:28,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070811887] [2022-10-03 12:27:28,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 12:27:28,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 12:27:28,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 12:27:28,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 12:27:28,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 12:27:28,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070811887] [2022-10-03 12:27:28,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070811887] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 12:27:28,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 12:27:28,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-03 12:27:28,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434895527] [2022-10-03 12:27:28,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 12:27:28,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-03 12:27:28,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 12:27:28,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-03 12:27:28,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-03 12:27:28,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:27:28,488 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 12:27:28,489 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) [2022-10-03 12:27:28,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:27:28,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:27:28,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-03 12:27:28,515 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONASSERT === [t_funErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 12:27:28,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 12:27:28,515 INFO L85 PathProgramCache]: Analyzing trace with hash 574123219, now seen corresponding path program 1 times [2022-10-03 12:27:28,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 12:27:28,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652613507] [2022-10-03 12:27:28,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 12:27:28,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 12:27:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 12:27:28,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 12:27:28,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 12:27:28,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652613507] [2022-10-03 12:27:28,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652613507] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 12:27:28,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 12:27:28,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-03 12:27:28,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234497766] [2022-10-03 12:27:28,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 12:27:28,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-03 12:27:28,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 12:27:28,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-03 12:27:28,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-03 12:27:28,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:27:28,606 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 12:27:28,607 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) [2022-10-03 12:27:28,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:27:28,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:27:28,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:27:28,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-03 12:27:28,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-03 12:27:28,648 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONASSERT === [t_funErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 12:27:28,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 12:27:28,648 INFO L85 PathProgramCache]: Analyzing trace with hash -2096201069, now seen corresponding path program 1 times [2022-10-03 12:27:28,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 12:27:28,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735536225] [2022-10-03 12:27:28,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 12:27:28,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 12:27:28,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 12:27:28,799 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 12:27:28,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 12:27:28,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735536225] [2022-10-03 12:27:28,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735536225] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 12:27:28,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464074477] [2022-10-03 12:27:28,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 12:27:28,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 12:27:28,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 12:27:28,802 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) [2022-10-03 12:27:28,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-03 12:27:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 12:27:29,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-03 12:27:29,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 12:27:29,127 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 12:27:29,127 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-03 12:27:29,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 12:27:29,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464074477] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-03 12:27:29,228 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-03 12:27:29,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-10-03 12:27:29,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549458905] [2022-10-03 12:27:29,229 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-03 12:27:29,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-03 12:27:29,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 12:27:29,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-03 12:27:29,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-10-03 12:27:29,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:27:29,233 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 12:27:29,235 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) [2022-10-03 12:27:29,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:27:29,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-03 12:27:29,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:27:29,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:27:29,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-03 12:27:29,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-03 12:27:29,364 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-10-03 12:27:29,559 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 [2022-10-03 12:27:29,560 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONASSERT === [t_funErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 12:27:29,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 12:27:29,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1133811053, now seen corresponding path program 2 times [2022-10-03 12:27:29,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 12:27:29,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562822491] [2022-10-03 12:27:29,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 12:27:29,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 12:27:29,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 12:27:29,700 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-10-03 12:27:29,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 12:27:29,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562822491] [2022-10-03 12:27:29,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562822491] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 12:27:29,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 12:27:29,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-03 12:27:29,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093810631] [2022-10-03 12:27:29,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 12:27:29,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-03 12:27:29,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 12:27:29,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-03 12:27:29,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-03 12:27:29,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:27:29,702 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 12:27:29,703 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) [2022-10-03 12:27:29,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:27:29,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-03 12:27:29,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-03 12:27:29,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:27:31,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:27:31,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-03 12:27:31,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-03 12:27:31,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-03 12:27:31,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-03 12:27:31,728 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONASSERT === [t_funErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 12:27:31,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 12:27:31,729 INFO L85 PathProgramCache]: Analyzing trace with hash 786912059, now seen corresponding path program 1 times [2022-10-03 12:27:31,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 12:27:31,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375875590] [2022-10-03 12:27:31,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 12:27:31,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 12:27:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 12:27:35,427 INFO L134 CoverageAnalysis]: Checked inductivity of 35207 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 35045 trivial. 0 not checked. [2022-10-03 12:27:35,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 12:27:35,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375875590] [2022-10-03 12:27:35,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375875590] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 12:27:35,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1197242070] [2022-10-03 12:27:35,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 12:27:35,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 12:27:35,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 12:27:35,429 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) [2022-10-03 12:27:35,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-03 12:27:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 12:27:37,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 10549 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-03 12:27:37,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 12:27:37,388 INFO L134 CoverageAnalysis]: Checked inductivity of 35207 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 35045 trivial. 0 not checked. [2022-10-03 12:27:37,388 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-03 12:27:37,690 INFO L134 CoverageAnalysis]: Checked inductivity of 35207 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 35045 trivial. 0 not checked. [2022-10-03 12:27:37,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1197242070] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-03 12:27:37,690 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-03 12:27:37,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-10-03 12:27:37,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938245486] [2022-10-03 12:27:37,691 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-03 12:27:37,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-10-03 12:27:37,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 12:27:37,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-10-03 12:27:37,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-10-03 12:27:37,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:27:37,700 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 12:27:37,700 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) [2022-10-03 12:27:37,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:27:37,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-03 12:27:37,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-03 12:27:37,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-03 12:27:37,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:27:38,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:27:38,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-03 12:27:38,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-03 12:27:38,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-03 12:27:38,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-03 12:27:38,949 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-10-03 12:27:39,131 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 [2022-10-03 12:27:39,132 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONASSERT === [t_funErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 12:27:39,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 12:27:39,133 INFO L85 PathProgramCache]: Analyzing trace with hash -191003845, now seen corresponding path program 2 times [2022-10-03 12:27:39,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 12:27:39,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724830930] [2022-10-03 12:27:39,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 12:27:39,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 12:27:39,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 12:27:44,011 INFO L134 CoverageAnalysis]: Checked inductivity of 36165 backedges. 0 proven. 1120 refuted. 0 times theorem prover too weak. 35045 trivial. 0 not checked. [2022-10-03 12:27:44,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 12:27:44,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724830930] [2022-10-03 12:27:44,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724830930] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 12:27:44,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2071482037] [2022-10-03 12:27:44,013 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-03 12:27:44,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 12:27:44,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 12:27:44,023 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) [2022-10-03 12:27:44,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-03 12:27:45,854 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-03 12:27:45,854 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-03 12:27:45,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 11149 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-03 12:27:45,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 12:27:46,262 INFO L134 CoverageAnalysis]: Checked inductivity of 36165 backedges. 0 proven. 1120 refuted. 0 times theorem prover too weak. 35045 trivial. 0 not checked. [2022-10-03 12:27:46,262 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-03 12:27:46,783 INFO L134 CoverageAnalysis]: Checked inductivity of 36165 backedges. 0 proven. 1120 refuted. 0 times theorem prover too weak. 35045 trivial. 0 not checked. [2022-10-03 12:27:46,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2071482037] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-03 12:27:46,784 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-03 12:27:46,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2022-10-03 12:27:46,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536935112] [2022-10-03 12:27:46,785 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-03 12:27:46,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-10-03 12:27:46,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 12:27:46,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-10-03 12:27:46,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-10-03 12:27:46,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:27:46,793 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 12:27:46,795 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) [2022-10-03 12:27:46,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:27:46,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-03 12:27:46,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-03 12:27:46,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-03 12:27:46,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-10-03 12:27:46,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:27:48,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:27:48,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-03 12:27:48,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-03 12:27:48,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-03 12:27:48,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-03 12:27:48,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-03 12:27:48,167 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-03 12:27:48,336 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 [2022-10-03 12:27:48,336 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONASSERT === [t_funErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 12:27:48,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 12:27:48,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1248763653, now seen corresponding path program 3 times [2022-10-03 12:27:48,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 12:27:48,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585391678] [2022-10-03 12:27:48,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 12:27:48,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 12:27:49,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 12:27:52,597 INFO L134 CoverageAnalysis]: Checked inductivity of 37440 backedges. 2903 proven. 28673 refuted. 0 times theorem prover too weak. 5864 trivial. 0 not checked. [2022-10-03 12:27:52,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 12:27:52,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585391678] [2022-10-03 12:27:52,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585391678] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 12:27:52,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1781040835] [2022-10-03 12:27:52,598 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-10-03 12:27:52,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 12:27:52,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 12:27:52,599 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) [2022-10-03 12:27:52,600 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... [2022-10-03 12:42:05,381 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 [2022-10-03 12:42:05,382 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 [2022-10-03 12:42:05,383 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 [2022-10-03 12:42:05,396 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 [2022-10-03 12:42:05,421 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 [2022-10-03 12:42:06,431 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 [2022-10-03 12:42:06,434 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-10-03 12:42:06,448 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 [2022-10-03 12:42:06,471 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 [2022-10-03 12:42:06,594 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forcibly destroying the process [2022-10-03 12:42:06,653 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 137 [2022-10-03 12:42:06,654 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-03 12:42:06,654 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-03 12:42:06,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2022-10-03 12:42:06,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069696224] [2022-10-03 12:42:06,655 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-03 12:42:06,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-10-03 12:42:06,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 12:42:06,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-10-03 12:42:06,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2022-10-03 12:42:06,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:42:06,659 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 12:42:06,660 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) [2022-10-03 12:42:06,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:42:06,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-03 12:42:06,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-03 12:42:06,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-03 12:42:06,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-10-03 12:42:06,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-10-03 12:42:06,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:42:06,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-03 12:42:06,661 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2022-10-03 12:42:06,661 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-03 12:42:06,662 INFO L444 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1] [2022-10-03 12:42:06,662 INFO L307 ceAbstractionStarter]: Result for error location t_funErr0ASSERT_VIOLATIONASSERT was TIMEOUT (3/3) [2022-10-03 12:42:06,687 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-03 12:42:06,687 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-03 12:42:06,696 INFO L202 PluginConnector]: Adding new model 09-regions_17-arrayloop_nr.line355.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 12:42:06 BasicIcfg [2022-10-03 12:42:06,696 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-03 12:42:06,697 INFO L158 Benchmark]: Toolchain (without parser) took 879604.25ms. Allocated memory was 205.5MB in the beginning and 7.1GB in the end (delta: 6.9GB). Free memory was 162.1MB in the beginning and 4.7GB in the end (delta: -4.5GB). Peak memory consumption was 2.4GB. Max. memory is 8.0GB. [2022-10-03 12:42:06,697 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.18ms. Allocated memory is still 205.5MB. Free memory was 165.4MB in the beginning and 165.3MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-03 12:42:06,697 INFO L158 Benchmark]: Boogie Preprocessor took 67.86ms. Allocated memory is still 205.5MB. Free memory was 162.1MB in the beginning and 158.7MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-10-03 12:42:06,699 INFO L158 Benchmark]: RCFGBuilder took 552.02ms. Allocated memory is still 205.5MB. Free memory was 158.7MB in the beginning and 164.1MB in the end (delta: -5.4MB). Peak memory consumption was 19.2MB. Max. memory is 8.0GB. [2022-10-03 12:42:06,699 INFO L158 Benchmark]: TraceAbstraction took 878980.82ms. Allocated memory was 205.5MB in the beginning and 7.1GB in the end (delta: 6.9GB). Free memory was 163.4MB in the beginning and 4.7GB in the end (delta: -4.5GB). Peak memory consumption was 2.4GB. Max. memory is 8.0GB. [2022-10-03 12:42:06,700 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 0.18ms. Allocated memory is still 205.5MB. Free memory was 165.4MB in the beginning and 165.3MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 67.86ms. Allocated memory is still 205.5MB. Free memory was 162.1MB in the beginning and 158.7MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 552.02ms. Allocated memory is still 205.5MB. Free memory was 158.7MB in the beginning and 164.1MB in the end (delta: -5.4MB). Peak memory consumption was 19.2MB. Max. memory is 8.0GB. * TraceAbstraction took 878980.82ms. Allocated memory was 205.5MB in the beginning and 7.1GB in the end (delta: 6.9GB). Free memory was 163.4MB in the beginning and 4.7GB in the end (delta: -4.5GB). Peak memory consumption was 2.4GB. 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: 98097, positive: 95402, positive conditional: 95402, 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: 95948, positive: 95402, positive conditional: 0, positive unconditional: 95402, 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: 95948, positive: 83972, positive conditional: 0, positive unconditional: 83972, 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: 98097, positive: 95402, positive conditional: 95402, 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: 95948, positive: 95402, positive conditional: 0, positive unconditional: 95402, 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: 95948, positive: 83972, positive conditional: 0, positive unconditional: 83972, 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: 98097, positive: 95402, positive conditional: 95402, 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: 95948, positive: 95402, positive conditional: 0, positive unconditional: 95402, 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: 95948, positive: 83972, positive conditional: 0, positive unconditional: 83972, 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: 98097, positive: 95402, positive conditional: 95402, 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: 95948, positive: 95402, positive conditional: 0, positive unconditional: 95402, 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: 95948, positive: 83972, positive conditional: 0, positive unconditional: 83972, 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: 32668, positive: 31760, positive conditional: 31760, 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: 98097, positive: 95402, positive conditional: 95402, 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: 95948, positive: 95402, positive conditional: 0, positive unconditional: 95402, 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: 95948, positive: 83972, positive conditional: 0, positive unconditional: 83972, 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: 98097, positive: 95402, positive conditional: 95402, 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: 95948, positive: 95402, positive conditional: 0, positive unconditional: 95402, 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: 95948, positive: 83972, positive conditional: 0, positive unconditional: 83972, 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: 98097, positive: 95402, positive conditional: 95402, 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: 95948, positive: 95402, positive conditional: 0, positive unconditional: 95402, 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: 95948, positive: 83972, positive conditional: 0, positive unconditional: 83972, 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: 98097, positive: 95402, positive conditional: 95402, 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: 95948, positive: 95402, positive conditional: 0, positive unconditional: 95402, 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: 95948, positive: 83972, positive conditional: 0, positive unconditional: 83972, 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: 878.6s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 4.9s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 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: 0.9s SsaConstructionTime, 4.4s SatisfiabilityAnalysisTime, 12.3s 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