/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION --traceabstraction.trace.refinement.strategy BADGER -s ../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk26/divinefifo_1w1r.line1325.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-24 15:23:08,974 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-24 15:23:08,976 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-24 15:23:09,007 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-24 15:23:09,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-24 15:23:09,009 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-24 15:23:09,011 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-24 15:23:09,015 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-24 15:23:09,018 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-24 15:23:09,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-24 15:23:09,022 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-24 15:23:09,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-24 15:23:09,024 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-24 15:23:09,025 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-24 15:23:09,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-24 15:23:09,027 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-24 15:23:09,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-24 15:23:09,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-24 15:23:09,030 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-24 15:23:09,035 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-24 15:23:09,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-24 15:23:09,037 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-24 15:23:09,037 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-24 15:23:09,039 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-24 15:23:09,042 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-24 15:23:09,042 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-24 15:23:09,042 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-24 15:23:09,043 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-24 15:23:09,043 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-24 15:23:09,043 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-24 15:23:09,043 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-24 15:23:09,044 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-24 15:23:09,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-24 15:23:09,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-24 15:23:09,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-24 15:23:09,045 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-24 15:23:09,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-24 15:23:09,046 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-24 15:23:09,046 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-24 15:23:09,046 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-24 15:23:09,047 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-24 15:23:09,050 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf [2022-10-24 15:23:09,077 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-24 15:23:09,078 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-24 15:23:09,078 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-24 15:23:09,078 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-24 15:23:09,079 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-24 15:23:09,079 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-24 15:23:09,081 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-24 15:23:09,081 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-24 15:23:09,081 INFO L138 SettingsManager]: * Use SBE=true [2022-10-24 15:23:09,081 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-24 15:23:09,082 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-24 15:23:09,082 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-24 15:23:09,082 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-24 15:23:09,082 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-24 15:23:09,082 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-24 15:23:09,082 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-24 15:23:09,082 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-24 15:23:09,082 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-24 15:23:09,082 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-24 15:23:09,082 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-24 15:23:09,082 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-24 15:23:09,083 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-24 15:23:09,083 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-24 15:23:09,083 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-24 15:23:09,083 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-24 15:23:09,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-24 15:23:09,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-24 15:23:09,083 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-24 15:23:09,083 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-24 15:23:09,083 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-24 15:23:09,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-24 15:23:09,083 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-24 15:23:09,084 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-24 15:23:09,084 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-24 15:23:09,084 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-24 15:23:09,084 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-24 15:23:09,084 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-24 15:23:09,084 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-24 15:23:09,084 INFO L138 SettingsManager]: * Number of independence relations to use for POR=2 [2022-10-24 15:23:09,084 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER [2022-10-24 15:23:09,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-24 15:23:09,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-24 15:23:09,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-24 15:23:09,345 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-24 15:23:09,346 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-24 15:23:09,347 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk26/divinefifo_1w1r.line1325.bpl [2022-10-24 15:23:09,348 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk26/divinefifo_1w1r.line1325.bpl' [2022-10-24 15:23:09,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-24 15:23:09,445 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-24 15:23:09,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-24 15:23:09,451 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-24 15:23:09,451 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-24 15:23:09,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "divinefifo_1w1r.line1325.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 03:23:09" (1/1) ... [2022-10-24 15:23:09,496 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "divinefifo_1w1r.line1325.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 03:23:09" (1/1) ... [2022-10-24 15:23:09,514 INFO L138 Inliner]: procedures = 2, calls = 1, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-24 15:23:09,515 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-24 15:23:09,516 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-24 15:23:09,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-24 15:23:09,516 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-24 15:23:09,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "divinefifo_1w1r.line1325.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 03:23:09" (1/1) ... [2022-10-24 15:23:09,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "divinefifo_1w1r.line1325.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 03:23:09" (1/1) ... [2022-10-24 15:23:09,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "divinefifo_1w1r.line1325.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 03:23:09" (1/1) ... [2022-10-24 15:23:09,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "divinefifo_1w1r.line1325.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 03:23:09" (1/1) ... [2022-10-24 15:23:09,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "divinefifo_1w1r.line1325.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 03:23:09" (1/1) ... [2022-10-24 15:23:09,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "divinefifo_1w1r.line1325.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 03:23:09" (1/1) ... [2022-10-24 15:23:09,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "divinefifo_1w1r.line1325.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 03:23:09" (1/1) ... [2022-10-24 15:23:09,601 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-24 15:23:09,602 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-24 15:23:09,602 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-24 15:23:09,602 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-24 15:23:09,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "divinefifo_1w1r.line1325.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 03:23:09" (1/1) ... [2022-10-24 15:23:09,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-24 15:23:09,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 15:23:09,656 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) [2022-10-24 15:23:09,668 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 [2022-10-24 15:23:09,700 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2022-10-24 15:23:09,700 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2022-10-24 15:23:09,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-24 15:23:09,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-24 15:23:09,702 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-24 15:23:09,887 INFO L234 CfgBuilder]: Building ICFG [2022-10-24 15:23:09,888 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-24 15:23:10,826 INFO L275 CfgBuilder]: Performing block encoding [2022-10-24 15:23:10,841 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-24 15:23:10,841 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-24 15:23:10,843 INFO L202 PluginConnector]: Adding new model divinefifo_1w1r.line1325.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:23:10 BoogieIcfgContainer [2022-10-24 15:23:10,843 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-24 15:23:10,848 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-24 15:23:10,849 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-24 15:23:10,850 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-24 15:23:10,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo_1w1r.line1325.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 03:23:09" (1/2) ... [2022-10-24 15:23:10,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56043f2e and model type divinefifo_1w1r.line1325.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:23:10, skipping insertion in model container [2022-10-24 15:23:10,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo_1w1r.line1325.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:23:10" (2/2) ... [2022-10-24 15:23:10,852 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo_1w1r.line1325.bpl [2022-10-24 15:23:10,857 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-24 15:23:10,862 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-24 15:23:10,862 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-24 15:23:10,863 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-24 15:23:10,944 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-10-24 15:23:10,980 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-24 15:23:10,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-24 15:23:10,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 15:23:10,982 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) [2022-10-24 15:23:11,002 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 [2022-10-24 15:23:11,006 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 15:23:11,034 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-24 15:23:11,034 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-24 15:23:11,034 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-24 15:23:11,040 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-24 15:23:11,050 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;@41459296, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 15:23:11,050 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-24 15:23:11,596 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 15:23:11,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 15:23:11,601 INFO L85 PathProgramCache]: Analyzing trace with hash 2111093461, now seen corresponding path program 1 times [2022-10-24 15:23:11,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 15:23:11,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335197119] [2022-10-24 15:23:11,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 15:23:11,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 15:23:11,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 15:23:12,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-24 15:23:12,066 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 15:23:12,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335197119] [2022-10-24 15:23:12,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335197119] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 15:23:12,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 15:23:12,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-24 15:23:12,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569692390] [2022-10-24 15:23:12,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 15:23:12,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-24 15:23:12,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 15:23:12,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-24 15:23:12,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-24 15:23:12,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:23:12,098 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 15:23:12,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 262.5) internal successors, (525), 2 states have internal predecessors, (525), 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) [2022-10-24 15:23:12,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:23:12,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:23:12,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-24 15:23:12,320 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 15:23:12,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 15:23:12,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1179936368, now seen corresponding path program 1 times [2022-10-24 15:23:12,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 15:23:12,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957277717] [2022-10-24 15:23:12,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 15:23:12,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 15:23:12,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 15:23:13,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-24 15:23:13,342 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 15:23:13,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957277717] [2022-10-24 15:23:13,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957277717] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 15:23:13,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 15:23:13,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-10-24 15:23:13,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194613002] [2022-10-24 15:23:13,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 15:23:13,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-10-24 15:23:13,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 15:23:13,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-10-24 15:23:13,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=682, Unknown=0, NotChecked=0, Total=756 [2022-10-24 15:23:13,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:23:13,347 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 15:23:13,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 21.88888888888889) internal successors, (591), 28 states have internal predecessors, (591), 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) [2022-10-24 15:23:13,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:23:13,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:23:16,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:23:16,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-10-24 15:23:16,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-24 15:23:16,412 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 15:23:16,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 15:23:16,413 INFO L85 PathProgramCache]: Analyzing trace with hash -27199778, now seen corresponding path program 1 times [2022-10-24 15:23:16,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 15:23:16,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121528709] [2022-10-24 15:23:16,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 15:23:16,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 15:23:16,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 15:23:19,339 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-10-24 15:23:19,339 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 15:23:19,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121528709] [2022-10-24 15:23:19,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121528709] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 15:23:19,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 15:23:19,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [67] imperfect sequences [] total 67 [2022-10-24 15:23:19,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572184215] [2022-10-24 15:23:19,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 15:23:19,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2022-10-24 15:23:19,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 15:23:19,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2022-10-24 15:23:19,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=214, Invalid=4208, Unknown=0, NotChecked=0, Total=4422 [2022-10-24 15:23:19,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:23:19,343 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 15:23:19,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 11.925373134328359) internal successors, (799), 67 states have internal predecessors, (799), 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) [2022-10-24 15:23:19,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:23:19,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-10-24 15:23:19,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:23:38,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:23:38,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-10-24 15:23:38,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2022-10-24 15:23:38,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-24 15:23:38,148 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 15:23:38,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 15:23:38,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1638347554, now seen corresponding path program 1 times [2022-10-24 15:23:38,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 15:23:38,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628105748] [2022-10-24 15:23:38,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 15:23:38,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 15:23:38,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 15:23:40,163 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-10-24 15:23:40,164 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 15:23:40,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628105748] [2022-10-24 15:23:40,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628105748] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 15:23:40,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 15:23:40,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [60] imperfect sequences [] total 60 [2022-10-24 15:23:40,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153510655] [2022-10-24 15:23:40,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 15:23:40,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2022-10-24 15:23:40,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 15:23:40,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2022-10-24 15:23:40,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=3360, Unknown=0, NotChecked=0, Total=3540 [2022-10-24 15:23:40,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:23:40,168 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 15:23:40,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 14.033333333333333) internal successors, (842), 60 states have internal predecessors, (842), 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) [2022-10-24 15:23:40,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:23:40,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-10-24 15:23:40,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2022-10-24 15:23:40,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:23:53,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:23:53,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-10-24 15:23:53,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2022-10-24 15:23:53,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-10-24 15:23:53,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-24 15:23:53,585 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 15:23:53,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 15:23:53,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1028657833, now seen corresponding path program 1 times [2022-10-24 15:23:53,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 15:23:53,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026863884] [2022-10-24 15:23:53,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 15:23:53,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 15:23:53,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 15:23:56,536 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-24 15:23:56,537 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 15:23:56,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026863884] [2022-10-24 15:23:56,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026863884] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 15:23:56,537 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 15:23:56,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [75] imperfect sequences [] total 75 [2022-10-24 15:23:56,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799768648] [2022-10-24 15:23:56,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 15:23:56,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2022-10-24 15:23:56,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 15:23:56,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2022-10-24 15:23:56,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=5315, Unknown=0, NotChecked=0, Total=5550 [2022-10-24 15:23:56,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:23:56,541 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 15:23:56,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 10.933333333333334) internal successors, (820), 75 states have internal predecessors, (820), 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) [2022-10-24 15:23:56,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:23:56,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-10-24 15:23:56,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2022-10-24 15:23:56,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-10-24 15:23:56,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:24:19,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:24:19,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-10-24 15:24:19,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2022-10-24 15:24:19,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-10-24 15:24:19,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2022-10-24 15:24:19,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-24 15:24:19,078 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 15:24:19,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 15:24:19,079 INFO L85 PathProgramCache]: Analyzing trace with hash -249753509, now seen corresponding path program 1 times [2022-10-24 15:24:19,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 15:24:19,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823291288] [2022-10-24 15:24:19,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 15:24:19,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 15:24:19,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 15:24:19,517 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-24 15:24:19,518 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 15:24:19,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823291288] [2022-10-24 15:24:19,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823291288] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 15:24:19,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 15:24:19,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-10-24 15:24:19,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869349818] [2022-10-24 15:24:19,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 15:24:19,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-10-24 15:24:19,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 15:24:19,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-10-24 15:24:19,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2022-10-24 15:24:19,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:24:19,520 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 15:24:19,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 39.10526315789474) internal successors, (743), 20 states have internal predecessors, (743), 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) [2022-10-24 15:24:19,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:24:19,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-10-24 15:24:19,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2022-10-24 15:24:19,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2022-10-24 15:24:19,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2022-10-24 15:24:19,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:24:33,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:24:33,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-10-24 15:24:33,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2022-10-24 15:24:33,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-10-24 15:24:33,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2022-10-24 15:24:33,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-10-24 15:24:33,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-24 15:24:33,647 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 15:24:33,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 15:24:33,648 INFO L85 PathProgramCache]: Analyzing trace with hash -2137821538, now seen corresponding path program 1 times [2022-10-24 15:24:33,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 15:24:33,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017041138] [2022-10-24 15:24:33,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 15:24:33,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 15:24:38,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 15:24:54,772 INFO L134 CoverageAnalysis]: Checked inductivity of 116513 backedges. 4413 proven. 0 refuted. 0 times theorem prover too weak. 112100 trivial. 0 not checked. [2022-10-24 15:24:54,772 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 15:24:54,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017041138] [2022-10-24 15:24:54,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017041138] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 15:24:54,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 15:24:54,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [78] imperfect sequences [] total 78 [2022-10-24 15:24:54,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179715396] [2022-10-24 15:24:54,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 15:24:54,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2022-10-24 15:24:54,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 15:24:54,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2022-10-24 15:24:54,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=5767, Unknown=0, NotChecked=0, Total=6006 [2022-10-24 15:24:54,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:24:54,800 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 15:24:54,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 17.17948717948718) internal successors, (1340), 78 states have internal predecessors, (1340), 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) [2022-10-24 15:24:54,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:24:54,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-10-24 15:24:54,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2022-10-24 15:24:54,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2022-10-24 15:24:54,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2022-10-24 15:24:54,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-10-24 15:24:54,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:25:22,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:25:22,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-10-24 15:25:22,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2022-10-24 15:25:22,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-10-24 15:25:22,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2022-10-24 15:25:22,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-10-24 15:25:22,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2022-10-24 15:25:22,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-24 15:25:22,410 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 15:25:22,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 15:25:22,412 INFO L85 PathProgramCache]: Analyzing trace with hash 764755370, now seen corresponding path program 1 times [2022-10-24 15:25:22,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 15:25:22,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820138791] [2022-10-24 15:25:22,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 15:25:22,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 15:25:25,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 15:25:40,348 INFO L134 CoverageAnalysis]: Checked inductivity of 94227 backedges. 3790 proven. 182 refuted. 0 times theorem prover too weak. 90255 trivial. 0 not checked. [2022-10-24 15:25:40,349 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 15:25:40,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820138791] [2022-10-24 15:25:40,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820138791] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 15:25:40,349 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 15:25:40,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [94] total 94 [2022-10-24 15:25:40,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881324355] [2022-10-24 15:25:40,350 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 15:25:40,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2022-10-24 15:25:40,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 15:25:40,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2022-10-24 15:25:40,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=337, Invalid=8405, Unknown=0, NotChecked=0, Total=8742 [2022-10-24 15:25:40,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:25:40,358 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 15:25:40,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 14.26595744680851) internal successors, (1341), 94 states have internal predecessors, (1341), 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) [2022-10-24 15:25:40,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:25:40,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-10-24 15:25:40,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2022-10-24 15:25:40,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2022-10-24 15:25:40,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2022-10-24 15:25:40,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-10-24 15:25:40,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2022-10-24 15:25:40,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:26:30,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:26:30,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-10-24 15:26:30,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2022-10-24 15:26:30,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-10-24 15:26:30,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2022-10-24 15:26:30,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-10-24 15:26:30,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2022-10-24 15:26:30,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2022-10-24 15:26:30,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-24 15:26:30,838 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 15:26:30,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 15:26:30,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1351496251, now seen corresponding path program 1 times [2022-10-24 15:26:30,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 15:26:30,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604248485] [2022-10-24 15:26:30,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 15:26:30,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 15:26:34,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat