/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.line1198.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-24 12:31:36,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-24 12:31:36,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-24 12:31:36,202 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-24 12:31:36,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-24 12:31:36,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-24 12:31:36,204 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-24 12:31:36,206 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-24 12:31:36,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-24 12:31:36,207 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-24 12:31:36,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-24 12:31:36,208 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-24 12:31:36,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-24 12:31:36,209 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-24 12:31:36,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-24 12:31:36,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-24 12:31:36,211 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-24 12:31:36,212 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-24 12:31:36,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-24 12:31:36,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-24 12:31:36,215 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-24 12:31:36,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-24 12:31:36,217 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-24 12:31:36,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-24 12:31:36,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-24 12:31:36,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-24 12:31:36,220 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-24 12:31:36,221 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-24 12:31:36,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-24 12:31:36,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-24 12:31:36,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-24 12:31:36,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-24 12:31:36,223 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-24 12:31:36,224 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-24 12:31:36,224 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-24 12:31:36,225 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-24 12:31:36,225 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-24 12:31:36,225 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-24 12:31:36,225 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-24 12:31:36,226 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-24 12:31:36,227 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-24 12:31:36,228 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 12:31:36,244 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-24 12:31:36,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-24 12:31:36,245 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-24 12:31:36,245 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-24 12:31:36,246 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-24 12:31:36,246 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-24 12:31:36,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-24 12:31:36,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-24 12:31:36,247 INFO L138 SettingsManager]: * Use SBE=true [2022-10-24 12:31:36,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-24 12:31:36,247 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-24 12:31:36,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-24 12:31:36,248 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-24 12:31:36,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-24 12:31:36,248 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-24 12:31:36,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-24 12:31:36,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-24 12:31:36,248 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-24 12:31:36,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-24 12:31:36,248 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-24 12:31:36,249 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-24 12:31:36,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-24 12:31:36,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-24 12:31:36,249 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-24 12:31:36,249 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-24 12:31:36,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-24 12:31:36,249 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-24 12:31:36,249 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-24 12:31:36,250 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-24 12:31:36,250 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-24 12:31:36,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-24 12:31:36,250 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-24 12:31:36,250 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-24 12:31:36,250 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-24 12:31:36,250 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-24 12:31:36,251 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-24 12:31:36,251 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-24 12:31:36,251 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-24 12:31:36,251 INFO L138 SettingsManager]: * Number of independence relations to use for POR=2 [2022-10-24 12:31:36,251 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER [2022-10-24 12:31:36,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-24 12:31:36,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-24 12:31:36,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-24 12:31:36,575 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-24 12:31:36,577 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-24 12:31:36,578 INFO L432 ainManager$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.line1198.bpl [2022-10-24 12:31:36,580 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk25/divinefifo-bug_1w1r.line1198.bpl' [2022-10-24 12:31:36,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-24 12:31:36,649 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-24 12:31:36,650 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-24 12:31:36,650 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-24 12:31:36,650 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-24 12:31:36,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "divinefifo-bug_1w1r.line1198.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:31:36" (1/1) ... [2022-10-24 12:31:36,692 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "divinefifo-bug_1w1r.line1198.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:31:36" (1/1) ... [2022-10-24 12:31:36,703 INFO L138 Inliner]: procedures = 2, calls = 1, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-24 12:31:36,704 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-24 12:31:36,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-24 12:31:36,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-24 12:31:36,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-24 12:31:36,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1198.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:31:36" (1/1) ... [2022-10-24 12:31:36,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1198.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:31:36" (1/1) ... [2022-10-24 12:31:36,725 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1198.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:31:36" (1/1) ... [2022-10-24 12:31:36,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1198.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:31:36" (1/1) ... [2022-10-24 12:31:36,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1198.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:31:36" (1/1) ... [2022-10-24 12:31:36,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1198.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:31:36" (1/1) ... [2022-10-24 12:31:36,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1198.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:31:36" (1/1) ... [2022-10-24 12:31:36,792 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-24 12:31:36,793 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-24 12:31:36,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-24 12:31:36,793 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-24 12:31:36,808 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "divinefifo-bug_1w1r.line1198.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:31:36" (1/1) ... [2022-10-24 12:31:36,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-24 12:31:36,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 12:31:36,875 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 12:31:36,939 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 12:31:36,957 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2022-10-24 12:31:36,957 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2022-10-24 12:31:36,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-24 12:31:36,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-24 12:31:36,959 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 12:31:37,191 INFO L234 CfgBuilder]: Building ICFG [2022-10-24 12:31:37,192 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-24 12:31:38,288 INFO L275 CfgBuilder]: Performing block encoding [2022-10-24 12:31:38,311 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-24 12:31:38,311 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-24 12:31:38,314 INFO L202 PluginConnector]: Adding new model divinefifo-bug_1w1r.line1198.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:31:38 BoogieIcfgContainer [2022-10-24 12:31:38,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-24 12:31:38,319 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-24 12:31:38,319 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-24 12:31:38,321 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-24 12:31:38,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo-bug_1w1r.line1198.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:31:36" (1/2) ... [2022-10-24 12:31:38,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58835e7d and model type divinefifo-bug_1w1r.line1198.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:31:38, skipping insertion in model container [2022-10-24 12:31:38,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo-bug_1w1r.line1198.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:31:38" (2/2) ... [2022-10-24 12:31:38,323 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo-bug_1w1r.line1198.bpl [2022-10-24 12:31:38,330 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-24 12:31:38,336 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-24 12:31:38,337 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-24 12:31:38,337 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-24 12:31:38,478 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-10-24 12:31:38,538 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-24 12:31:38,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-24 12:31:38,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 12:31:38,541 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 12:31:38,542 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 12:31:38,560 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 12:31:38,571 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-24 12:31:38,572 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-24 12:31:38,572 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-24 12:31:38,576 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-24 12:31:38,583 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;@492424cc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 12:31:38,583 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-24 12:31:39,767 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 12:31:39,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 12:31:39,771 INFO L85 PathProgramCache]: Analyzing trace with hash -3798610, now seen corresponding path program 1 times [2022-10-24 12:31:39,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 12:31:39,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725139382] [2022-10-24 12:31:39,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 12:31:39,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 12:31:40,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 12:31:40,197 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 12:31:40,198 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 12:31:40,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725139382] [2022-10-24 12:31:40,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725139382] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 12:31:40,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 12:31:40,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-24 12:31:40,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185192565] [2022-10-24 12:31:40,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 12:31:40,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-24 12:31:40,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 12:31:40,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-24 12:31:40,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-24 12:31:40,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:31:40,242 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 12:31:40,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 210.0) internal successors, (420), 2 states have internal predecessors, (420), 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 12:31:40,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:31:40,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:31:40,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-24 12:31:40,994 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 12:31:40,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 12:31:40,994 INFO L85 PathProgramCache]: Analyzing trace with hash -806307475, now seen corresponding path program 1 times [2022-10-24 12:31:40,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 12:31:40,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270339008] [2022-10-24 12:31:40,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 12:31:40,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 12:31:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 12:31:44,472 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 12:31:44,472 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 12:31:44,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270339008] [2022-10-24 12:31:44,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270339008] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 12:31:44,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 12:31:44,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [70] imperfect sequences [] total 70 [2022-10-24 12:31:44,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873392980] [2022-10-24 12:31:44,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 12:31:44,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2022-10-24 12:31:44,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 12:31:44,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2022-10-24 12:31:44,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=4618, Unknown=0, NotChecked=0, Total=4830 [2022-10-24 12:31:44,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:31:44,480 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 12:31:44,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 6.957142857142857) internal successors, (487), 70 states have internal predecessors, (487), 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 12:31:44,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:31:44,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:32:11,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:32:11,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2022-10-24 12:32:11,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-24 12:32:11,719 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 12:32:11,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 12:32:11,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1503909477, now seen corresponding path program 1 times [2022-10-24 12:32:11,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 12:32:11,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641096799] [2022-10-24 12:32:11,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 12:32:11,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 12:32:11,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 12:32:13,040 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 12:32:13,040 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 12:32:13,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641096799] [2022-10-24 12:32:13,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641096799] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 12:32:13,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 12:32:13,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [44] imperfect sequences [] total 44 [2022-10-24 12:32:13,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946007647] [2022-10-24 12:32:13,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 12:32:13,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-10-24 12:32:13,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 12:32:13,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-10-24 12:32:13,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=1830, Unknown=0, NotChecked=0, Total=1980 [2022-10-24 12:32:13,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:32:13,044 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 12:32:13,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 44 states have (on average 9.772727272727273) internal successors, (430), 45 states have internal predecessors, (430), 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 12:32:13,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:32:13,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2022-10-24 12:32:13,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:32:30,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:32:30,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2022-10-24 12:32:30,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-10-24 12:32:30,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-24 12:32:30,600 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 12:32:30,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 12:32:30,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1070034665, now seen corresponding path program 1 times [2022-10-24 12:32:30,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 12:32:30,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80594583] [2022-10-24 12:32:30,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 12:32:30,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 12:32:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 12:32:39,837 INFO L134 CoverageAnalysis]: Checked inductivity of 27324 backedges. 1766 proven. 0 refuted. 0 times theorem prover too weak. 25558 trivial. 0 not checked. [2022-10-24 12:32:39,837 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 12:32:39,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80594583] [2022-10-24 12:32:39,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80594583] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 12:32:39,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 12:32:39,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [75] imperfect sequences [] total 75 [2022-10-24 12:32:39,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868649520] [2022-10-24 12:32:39,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 12:32:39,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2022-10-24 12:32:39,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 12:32:39,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2022-10-24 12:32:39,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=5315, Unknown=0, NotChecked=0, Total=5550 [2022-10-24 12:32:39,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:32:39,845 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 12:32:39,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 17.466666666666665) internal successors, (1310), 75 states have internal predecessors, (1310), 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 12:32:39,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:32:39,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2022-10-24 12:32:39,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-10-24 12:32:39,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:33:09,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:33:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-10-24 12:33:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-10-24 12:33:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2022-10-24 12:33:09,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-24 12:33:09,956 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 12:33:09,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 12:33:09,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1261190307, now seen corresponding path program 1 times [2022-10-24 12:33:09,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 12:33:09,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284219854] [2022-10-24 12:33:09,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 12:33:09,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 12:33:11,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 12:33:16,759 INFO L134 CoverageAnalysis]: Checked inductivity of 15658 backedges. 1843 proven. 0 refuted. 0 times theorem prover too weak. 13815 trivial. 0 not checked. [2022-10-24 12:33:16,759 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 12:33:16,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284219854] [2022-10-24 12:33:16,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284219854] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 12:33:16,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 12:33:16,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [79] imperfect sequences [] total 79 [2022-10-24 12:33:16,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221782920] [2022-10-24 12:33:16,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 12:33:16,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2022-10-24 12:33:16,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 12:33:16,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2022-10-24 12:33:16,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=241, Invalid=5921, Unknown=0, NotChecked=0, Total=6162 [2022-10-24 12:33:16,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:33:16,769 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 12:33:16,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 16.9873417721519) internal successors, (1342), 79 states have internal predecessors, (1342), 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 12:33:16,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:33:16,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-10-24 12:33:16,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-10-24 12:33:16,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2022-10-24 12:33:16,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:33:45,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:33:45,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-10-24 12:33:45,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-10-24 12:33:45,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2022-10-24 12:33:45,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2022-10-24 12:33:45,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-24 12:33:45,653 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 12:33:45,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 12:33:45,654 INFO L85 PathProgramCache]: Analyzing trace with hash -506181877, now seen corresponding path program 1 times [2022-10-24 12:33:45,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 12:33:45,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615419316] [2022-10-24 12:33:45,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 12:33:45,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 12:33:45,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 12:33:49,261 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 11 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-24 12:33:49,261 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 12:33:49,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615419316] [2022-10-24 12:33:49,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615419316] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 12:33:49,261 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 12:33:49,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [89] total 89 [2022-10-24 12:33:49,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096585990] [2022-10-24 12:33:49,262 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 12:33:49,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2022-10-24 12:33:49,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 12:33:49,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2022-10-24 12:33:49,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=279, Invalid=7553, Unknown=0, NotChecked=0, Total=7832 [2022-10-24 12:33:49,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:33:49,265 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 12:33:49,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 89 states have (on average 9.97752808988764) internal successors, (888), 89 states have internal predecessors, (888), 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 12:33:49,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:33:49,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-10-24 12:33:49,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-10-24 12:33:49,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2022-10-24 12:33:49,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2022-10-24 12:33:49,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:34:33,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:34:33,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-10-24 12:34:33,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-10-24 12:34:33,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2022-10-24 12:34:33,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2022-10-24 12:34:33,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-10-24 12:34:33,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-24 12:34:33,646 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 12:34:33,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 12:34:33,647 INFO L85 PathProgramCache]: Analyzing trace with hash -930649337, now seen corresponding path program 1 times [2022-10-24 12:34:33,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 12:34:33,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516611645] [2022-10-24 12:34:33,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 12:34:33,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 12:34:33,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 12:34:36,430 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-24 12:34:36,431 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 12:34:36,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516611645] [2022-10-24 12:34:36,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516611645] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 12:34:36,431 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 12:34:36,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [78] total 78 [2022-10-24 12:34:36,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265324803] [2022-10-24 12:34:36,431 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 12:34:36,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2022-10-24 12:34:36,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 12:34:36,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2022-10-24 12:34:36,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=298, Invalid=5864, Unknown=0, NotChecked=0, Total=6162 [2022-10-24 12:34:36,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:34:36,436 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 12:34:36,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 78 states have (on average 10.653846153846153) internal successors, (831), 79 states have internal predecessors, (831), 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 12:34:36,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:34:36,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-10-24 12:34:36,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-10-24 12:34:36,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2022-10-24 12:34:36,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2022-10-24 12:34:36,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-10-24 12:34:36,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:35:17,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:35:17,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-10-24 12:35:17,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-10-24 12:35:17,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2022-10-24 12:35:17,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2022-10-24 12:35:17,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-10-24 12:35:17,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2022-10-24 12:35:17,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-24 12:35:17,424 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 12:35:17,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 12:35:17,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1220785973, now seen corresponding path program 1 times [2022-10-24 12:35:17,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 12:35:17,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005534689] [2022-10-24 12:35:17,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 12:35:17,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 12:35:18,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 12:35:26,014 INFO L134 CoverageAnalysis]: Checked inductivity of 30060 backedges. 8648 proven. 10339 refuted. 0 times theorem prover too weak. 11073 trivial. 0 not checked. [2022-10-24 12:35:26,015 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 12:35:26,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005534689] [2022-10-24 12:35:26,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005534689] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 12:35:26,015 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 12:35:26,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65] total 65 [2022-10-24 12:35:26,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35212837] [2022-10-24 12:35:26,016 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 12:35:26,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2022-10-24 12:35:26,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 12:35:26,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2022-10-24 12:35:26,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=3973, Unknown=0, NotChecked=0, Total=4160 [2022-10-24 12:35:26,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:35:26,021 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 12:35:26,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 37.09230769230769) internal successors, (2411), 65 states have internal predecessors, (2411), 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 12:35:26,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:35:26,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-10-24 12:35:26,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-10-24 12:35:26,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2022-10-24 12:35:26,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2022-10-24 12:35:26,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-10-24 12:35:26,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2022-10-24 12:35:26,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:36:53,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:36:53,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-10-24 12:36:53,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-10-24 12:36:53,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2022-10-24 12:36:53,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2022-10-24 12:36:53,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-10-24 12:36:53,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2022-10-24 12:36:53,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 236 states. [2022-10-24 12:36:53,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-24 12:36:53,959 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 12:36:53,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 12:36:53,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1233784940, now seen corresponding path program 2 times [2022-10-24 12:36:53,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 12:36:53,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972116566] [2022-10-24 12:36:53,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 12:36:53,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 12:36:57,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 12:37:09,043 INFO L134 CoverageAnalysis]: Checked inductivity of 88250 backedges. 59237 proven. 2718 refuted. 0 times theorem prover too weak. 26295 trivial. 0 not checked. [2022-10-24 12:37:09,044 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 12:37:09,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972116566] [2022-10-24 12:37:09,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972116566] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 12:37:09,044 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 12:37:09,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2022-10-24 12:37:09,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457120054] [2022-10-24 12:37:09,045 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 12:37:09,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-10-24 12:37:09,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 12:37:09,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-10-24 12:37:09,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=2218, Unknown=0, NotChecked=0, Total=2352 [2022-10-24 12:37:09,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:37:09,153 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 12:37:09,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 53.3469387755102) internal successors, (2614), 49 states have internal predecessors, (2614), 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 12:37:09,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:37:09,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-10-24 12:37:09,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-10-24 12:37:09,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2022-10-24 12:37:09,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2022-10-24 12:37:09,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-10-24 12:37:09,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2022-10-24 12:37:09,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 236 states. [2022-10-24 12:37:09,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:38:16,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:38:16,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-10-24 12:38:16,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-10-24 12:38:16,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2022-10-24 12:38:16,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2022-10-24 12:38:16,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-10-24 12:38:16,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2022-10-24 12:38:16,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 236 states. [2022-10-24 12:38:16,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 584 states. [2022-10-24 12:38:16,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-24 12:38:16,981 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 12:38:16,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 12:38:16,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1242641125, now seen corresponding path program 1 times [2022-10-24 12:38:16,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 12:38:16,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434083891] [2022-10-24 12:38:16,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 12:38:16,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 12:38:19,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 12:38:30,819 INFO L134 CoverageAnalysis]: Checked inductivity of 90724 backedges. 42540 proven. 0 refuted. 0 times theorem prover too weak. 48184 trivial. 0 not checked. [2022-10-24 12:38:30,819 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 12:38:30,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434083891] [2022-10-24 12:38:30,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434083891] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 12:38:30,819 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 12:38:30,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-10-24 12:38:30,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661891516] [2022-10-24 12:38:30,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 12:38:30,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-10-24 12:38:30,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 12:38:30,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-10-24 12:38:30,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=414, Unknown=0, NotChecked=0, Total=462 [2022-10-24 12:38:30,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:38:30,825 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 12:38:30,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 80.18181818181819) internal successors, (1764), 22 states have internal predecessors, (1764), 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 12:38:30,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:38:30,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-10-24 12:38:30,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-10-24 12:38:30,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2022-10-24 12:38:30,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2022-10-24 12:38:30,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-10-24 12:38:30,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2022-10-24 12:38:30,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 236 states. [2022-10-24 12:38:30,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 584 states. [2022-10-24 12:38:30,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:38:43,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:38:43,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-10-24 12:38:43,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-10-24 12:38:43,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2022-10-24 12:38:43,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2022-10-24 12:38:43,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2022-10-24 12:38:43,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2022-10-24 12:38:43,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 236 states. [2022-10-24 12:38:43,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 596 states. [2022-10-24 12:38:43,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-10-24 12:38:43,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-24 12:38:43,557 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 12:38:43,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 12:38:43,558 INFO L85 PathProgramCache]: Analyzing trace with hash -653529138, now seen corresponding path program 1 times [2022-10-24 12:38:43,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 12:38:43,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808377511] [2022-10-24 12:38:43,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 12:38:43,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 12:38:44,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat