/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/chunk25/divinefifo-bug_1w1r.line1215.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-24 12:32:00,177 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-24 12:32:00,179 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-24 12:32:00,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-24 12:32:00,222 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-24 12:32:00,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-24 12:32:00,231 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-24 12:32:00,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-24 12:32:00,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-24 12:32:00,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-24 12:32:00,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-24 12:32:00,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-24 12:32:00,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-24 12:32:00,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-24 12:32:00,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-24 12:32:00,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-24 12:32:00,253 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-24 12:32:00,253 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-24 12:32:00,255 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-24 12:32:00,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-24 12:32:00,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-24 12:32:00,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-24 12:32:00,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-24 12:32:00,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-24 12:32:00,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-24 12:32:00,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-24 12:32:00,293 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-24 12:32:00,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-24 12:32:00,295 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-24 12:32:00,296 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-24 12:32:00,296 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-24 12:32:00,297 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-24 12:32:00,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-24 12:32:00,298 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-24 12:32:00,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-24 12:32:00,304 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-24 12:32:00,305 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-24 12:32:00,305 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-24 12:32:00,306 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-24 12:32:00,306 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-24 12:32:00,307 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-24 12:32:00,309 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 12:32:00,348 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-24 12:32:00,349 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-24 12:32:00,349 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-24 12:32:00,349 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-24 12:32:00,351 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-24 12:32:00,351 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-24 12:32:00,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-24 12:32:00,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-24 12:32:00,353 INFO L138 SettingsManager]: * Use SBE=true [2022-10-24 12:32:00,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-24 12:32:00,354 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-24 12:32:00,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-24 12:32:00,354 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-24 12:32:00,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-24 12:32:00,355 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-24 12:32:00,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-24 12:32:00,355 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-24 12:32:00,355 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-24 12:32:00,355 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-24 12:32:00,355 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-24 12:32:00,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-24 12:32:00,356 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-24 12:32:00,356 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-24 12:32:00,356 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-24 12:32:00,356 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-24 12:32:00,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-24 12:32:00,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-24 12:32:00,356 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-24 12:32:00,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-24 12:32:00,357 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-24 12:32:00,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-24 12:32:00,357 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-24 12:32:00,357 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-24 12:32:00,357 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-24 12:32:00,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-24 12:32:00,358 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-24 12:32:00,358 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-24 12:32:00,358 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-24 12:32:00,358 INFO L138 SettingsManager]: * Number of independence relations to use for POR=2 [2022-10-24 12:32:00,358 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER [2022-10-24 12:32:00,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-24 12:32:00,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-24 12:32:00,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-24 12:32:00,744 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-24 12:32:00,745 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-24 12:32:00,748 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk25/divinefifo-bug_1w1r.line1215.bpl [2022-10-24 12:32:00,750 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk25/divinefifo-bug_1w1r.line1215.bpl' [2022-10-24 12:32:00,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-24 12:32:00,860 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-24 12:32:00,861 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-24 12:32:00,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-24 12:32:00,861 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-24 12:32:00,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "divinefifo-bug_1w1r.line1215.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:32:00" (1/1) ... [2022-10-24 12:32:00,925 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "divinefifo-bug_1w1r.line1215.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:32:00" (1/1) ... [2022-10-24 12:32:00,941 INFO L138 Inliner]: procedures = 2, calls = 1, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-24 12:32:00,942 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-24 12:32:00,945 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-24 12:32:00,945 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-24 12:32:00,945 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-24 12:32:00,952 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1215.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:32:00" (1/1) ... [2022-10-24 12:32:00,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1215.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:32:00" (1/1) ... [2022-10-24 12:32:00,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1215.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:32:00" (1/1) ... [2022-10-24 12:32:00,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1215.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:32:00" (1/1) ... [2022-10-24 12:32:01,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1215.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:32:00" (1/1) ... [2022-10-24 12:32:01,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1215.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:32:00" (1/1) ... [2022-10-24 12:32:01,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1215.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:32:00" (1/1) ... [2022-10-24 12:32:01,064 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-24 12:32:01,065 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-24 12:32:01,065 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-24 12:32:01,065 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-24 12:32:01,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "divinefifo-bug_1w1r.line1215.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:32:00" (1/1) ... [2022-10-24 12:32:01,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-24 12:32:01,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 12:32:01,137 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 12:32:01,151 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 12:32:01,191 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2022-10-24 12:32:01,191 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2022-10-24 12:32:01,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-24 12:32:01,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-24 12:32:01,194 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 12:32:01,422 INFO L234 CfgBuilder]: Building ICFG [2022-10-24 12:32:01,423 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-24 12:32:02,785 INFO L275 CfgBuilder]: Performing block encoding [2022-10-24 12:32:02,829 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-24 12:32:02,830 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-24 12:32:02,835 INFO L202 PluginConnector]: Adding new model divinefifo-bug_1w1r.line1215.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:32:02 BoogieIcfgContainer [2022-10-24 12:32:02,836 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-24 12:32:02,840 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-24 12:32:02,841 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-24 12:32:02,844 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-24 12:32:02,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo-bug_1w1r.line1215.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:32:00" (1/2) ... [2022-10-24 12:32:02,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@213a19a7 and model type divinefifo-bug_1w1r.line1215.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:32:02, skipping insertion in model container [2022-10-24 12:32:02,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo-bug_1w1r.line1215.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:32:02" (2/2) ... [2022-10-24 12:32:02,847 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo-bug_1w1r.line1215.bpl [2022-10-24 12:32:02,857 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-24 12:32:02,866 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-24 12:32:02,866 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-24 12:32:02,866 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-24 12:32:03,023 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-10-24 12:32:03,096 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-24 12:32:03,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-24 12:32:03,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 12:32:03,100 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 12:32:03,103 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 12:32:03,129 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 12:32:03,150 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-24 12:32:03,150 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-24 12:32:03,150 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-24 12:32:03,163 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-24 12:32:03,179 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;@1f9f69e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 12:32:03,179 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-24 12:32:04,842 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 12:32:04,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 12:32:04,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1937951949, now seen corresponding path program 1 times [2022-10-24 12:32:04,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 12:32:04,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643252500] [2022-10-24 12:32:04,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 12:32:04,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 12:32:05,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 12:32:05,423 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 12:32:05,423 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 12:32:05,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643252500] [2022-10-24 12:32:05,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643252500] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 12:32:05,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 12:32:05,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-24 12:32:05,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079547061] [2022-10-24 12:32:05,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 12:32:05,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-24 12:32:05,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 12:32:05,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-24 12:32:05,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-24 12:32:05,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:32:05,462 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 12:32:05,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 216.5) internal successors, (433), 2 states have internal predecessors, (433), 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 12:32:05,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:32:06,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:32:06,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-24 12:32:06,303 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 12:32:06,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 12:32:06,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1190091638, now seen corresponding path program 1 times [2022-10-24 12:32:06,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 12:32:06,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977140864] [2022-10-24 12:32:06,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 12:32:06,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 12:32:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 12:32:10,661 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 12:32:10,662 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 12:32:10,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977140864] [2022-10-24 12:32:10,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977140864] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 12:32:10,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 12:32:10,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [67] imperfect sequences [] total 67 [2022-10-24 12:32:10,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311869060] [2022-10-24 12:32:10,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 12:32:10,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2022-10-24 12:32:10,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 12:32:10,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2022-10-24 12:32:10,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=4218, Unknown=0, NotChecked=0, Total=4422 [2022-10-24 12:32:10,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:32:10,670 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 12:32:10,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 7.462686567164179) internal successors, (500), 67 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-24 12:32:10,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:32:10,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:32:35,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:32:35,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2022-10-24 12:32:35,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-24 12:32:35,461 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 12:32:35,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 12:32:35,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1472975264, now seen corresponding path program 1 times [2022-10-24 12:32:35,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 12:32:35,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150541619] [2022-10-24 12:32:35,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 12:32:35,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 12:32:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 12:32:38,855 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 12:32:38,856 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 12:32:38,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150541619] [2022-10-24 12:32:38,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150541619] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 12:32:38,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 12:32:38,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [71] imperfect sequences [] total 71 [2022-10-24 12:32:38,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805938376] [2022-10-24 12:32:38,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 12:32:38,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2022-10-24 12:32:38,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 12:32:38,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2022-10-24 12:32:38,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=236, Invalid=4876, Unknown=0, NotChecked=0, Total=5112 [2022-10-24 12:32:38,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:32:38,866 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 12:32:38,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 71 states have (on average 6.23943661971831) internal successors, (443), 72 states have internal predecessors, (443), 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 12:32:38,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:32:38,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2022-10-24 12:32:38,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:33:16,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:33:16,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2022-10-24 12:33:16,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2022-10-24 12:33:16,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-24 12:33:16,225 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 12:33:16,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 12:33:16,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1403474945, now seen corresponding path program 1 times [2022-10-24 12:33:16,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 12:33:16,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381209414] [2022-10-24 12:33:16,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 12:33:16,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 12:33:18,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 12:33:26,586 INFO L134 CoverageAnalysis]: Checked inductivity of 27337 backedges. 1779 proven. 0 refuted. 0 times theorem prover too weak. 25558 trivial. 0 not checked. [2022-10-24 12:33:26,586 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 12:33:26,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381209414] [2022-10-24 12:33:26,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381209414] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 12:33:26,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 12:33:26,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [75] imperfect sequences [] total 75 [2022-10-24 12:33:26,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190801593] [2022-10-24 12:33:26,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 12:33:26,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2022-10-24 12:33:26,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 12:33:26,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2022-10-24 12:33:26,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=5315, Unknown=0, NotChecked=0, Total=5550 [2022-10-24 12:33:26,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:33:26,595 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 12:33:26,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 17.64) internal successors, (1323), 75 states have internal predecessors, (1323), 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 12:33:26,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:33:26,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2022-10-24 12:33:26,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2022-10-24 12:33:26,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:33:58,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:33:58,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2022-10-24 12:33:58,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2022-10-24 12:33:58,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2022-10-24 12:33:58,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-24 12:33:58,472 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 12:33:58,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 12:33:58,473 INFO L85 PathProgramCache]: Analyzing trace with hash -504981855, now seen corresponding path program 1 times [2022-10-24 12:33:58,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 12:33:58,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408258677] [2022-10-24 12:33:58,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 12:33:58,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 12:33:59,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 12:34:06,004 INFO L134 CoverageAnalysis]: Checked inductivity of 15671 backedges. 1856 proven. 0 refuted. 0 times theorem prover too weak. 13815 trivial. 0 not checked. [2022-10-24 12:34:06,005 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 12:34:06,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408258677] [2022-10-24 12:34:06,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408258677] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 12:34:06,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 12:34:06,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [79] imperfect sequences [] total 79 [2022-10-24 12:34:06,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577301373] [2022-10-24 12:34:06,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 12:34:06,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2022-10-24 12:34:06,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 12:34:06,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2022-10-24 12:34:06,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=241, Invalid=5921, Unknown=0, NotChecked=0, Total=6162 [2022-10-24 12:34:06,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:34:06,013 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 12:34:06,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 17.151898734177216) internal successors, (1355), 79 states have internal predecessors, (1355), 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 12:34:06,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:34:06,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2022-10-24 12:34:06,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2022-10-24 12:34:06,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2022-10-24 12:34:06,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:34:34,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:34:34,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2022-10-24 12:34:34,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2022-10-24 12:34:34,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2022-10-24 12:34:34,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2022-10-24 12:34:34,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-24 12:34:34,431 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 12:34:34,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 12:34:34,431 INFO L85 PathProgramCache]: Analyzing trace with hash -177723169, now seen corresponding path program 1 times [2022-10-24 12:34:34,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 12:34:34,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475388334] [2022-10-24 12:34:34,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 12:34:34,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 12:34:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 12:34:38,519 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 24 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-24 12:34:38,520 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 12:34:38,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475388334] [2022-10-24 12:34:38,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475388334] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 12:34:38,520 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 12:34:38,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [87] total 87 [2022-10-24 12:34:38,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441140420] [2022-10-24 12:34:38,520 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 12:34:38,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2022-10-24 12:34:38,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 12:34:38,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2022-10-24 12:34:38,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=7159, Unknown=0, NotChecked=0, Total=7482 [2022-10-24 12:34:38,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:34:38,524 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 12:34:38,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 10.35632183908046) internal successors, (901), 87 states have internal predecessors, (901), 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 12:34:38,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:34:38,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2022-10-24 12:34:38,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2022-10-24 12:34:38,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2022-10-24 12:34:38,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2022-10-24 12:34:38,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:35:25,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:35:25,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2022-10-24 12:35:25,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2022-10-24 12:35:25,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2022-10-24 12:35:25,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2022-10-24 12:35:25,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2022-10-24 12:35:25,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-24 12:35:25,993 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 12:35:25,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 12:35:25,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1475245141, now seen corresponding path program 1 times [2022-10-24 12:35:25,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 12:35:25,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699196317] [2022-10-24 12:35:25,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 12:35:25,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 12:35:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 12:35:31,698 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 209 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-24 12:35:31,698 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 12:35:31,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699196317] [2022-10-24 12:35:31,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699196317] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 12:35:31,698 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 12:35:31,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [97] total 97 [2022-10-24 12:35:31,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694824701] [2022-10-24 12:35:31,699 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 12:35:31,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2022-10-24 12:35:31,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 12:35:31,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2022-10-24 12:35:31,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=336, Invalid=9170, Unknown=0, NotChecked=0, Total=9506 [2022-10-24 12:35:31,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:35:31,704 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 12:35:31,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 97 states have (on average 8.70103092783505) internal successors, (844), 98 states have internal predecessors, (844), 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 12:35:31,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:35:31,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2022-10-24 12:35:31,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2022-10-24 12:35:31,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2022-10-24 12:35:31,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2022-10-24 12:35:31,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2022-10-24 12:35:31,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:36:46,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:36:46,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2022-10-24 12:36:46,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2022-10-24 12:36:46,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2022-10-24 12:36:46,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2022-10-24 12:36:46,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2022-10-24 12:36:46,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2022-10-24 12:36:46,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-24 12:36:46,707 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 12:36:46,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 12:36:46,708 INFO L85 PathProgramCache]: Analyzing trace with hash 456278806, now seen corresponding path program 1 times [2022-10-24 12:36:46,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 12:36:46,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520437294] [2022-10-24 12:36:46,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 12:36:46,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 12:36:48,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 12:36:58,214 INFO L134 CoverageAnalysis]: Checked inductivity of 30086 backedges. 8674 proven. 10339 refuted. 0 times theorem prover too weak. 11073 trivial. 0 not checked. [2022-10-24 12:36:58,214 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 12:36:58,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520437294] [2022-10-24 12:36:58,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520437294] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 12:36:58,215 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 12:36:58,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65] total 65 [2022-10-24 12:36:58,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870598060] [2022-10-24 12:36:58,215 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 12:36:58,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2022-10-24 12:36:58,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 12:36:58,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2022-10-24 12:36:58,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=3973, Unknown=0, NotChecked=0, Total=4160 [2022-10-24 12:36:58,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:36:58,221 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 12:36:58,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 37.292307692307695) internal successors, (2424), 65 states have internal predecessors, (2424), 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 12:36:58,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:36:58,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2022-10-24 12:36:58,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2022-10-24 12:36:58,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2022-10-24 12:36:58,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2022-10-24 12:36:58,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2022-10-24 12:36:58,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2022-10-24 12:36:58,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:38:34,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:38:34,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2022-10-24 12:38:34,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2022-10-24 12:38:34,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2022-10-24 12:38:34,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2022-10-24 12:38:34,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2022-10-24 12:38:34,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2022-10-24 12:38:34,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 236 states. [2022-10-24 12:38:34,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-24 12:38:34,493 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 12:38:34,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 12:38:34,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1175747081, now seen corresponding path program 2 times [2022-10-24 12:38:34,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 12:38:34,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901134800] [2022-10-24 12:38:34,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 12:38:34,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 12:38:37,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat