/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/NewStatesSleep-VarAbsGlobalSyntactic.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk26/divinefifo_1w1r.line1235.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-24 14:30:04,808 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-24 14:30:04,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-24 14:30:04,840 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-24 14:30:04,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-24 14:30:04,854 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-24 14:30:04,855 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-24 14:30:04,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-24 14:30:04,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-24 14:30:04,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-24 14:30:04,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-24 14:30:04,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-24 14:30:04,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-24 14:30:04,862 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-24 14:30:04,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-24 14:30:04,864 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-24 14:30:04,870 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-24 14:30:04,878 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-24 14:30:04,906 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-24 14:30:04,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-24 14:30:04,907 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-24 14:30:04,907 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-24 14:30:04,908 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-24 14:30:04,908 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-24 14:30:04,909 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-24 14:30:04,909 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-24 14:30:04,909 INFO L138 SettingsManager]: * Use SBE=true [2022-10-24 14:30:04,910 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-24 14:30:04,910 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-24 14:30:04,910 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-24 14:30:04,910 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-24 14:30:04,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-24 14:30:04,911 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-24 14:30:04,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-24 14:30:04,911 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-24 14:30:04,911 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-24 14:30:04,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-24 14:30:04,911 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-24 14:30:04,911 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-24 14:30:04,911 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-24 14:30:04,911 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-24 14:30:04,911 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-24 14:30:04,912 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-24 14:30:04,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-24 14:30:04,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-24 14:30:04,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-24 14:30:04,912 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-24 14:30:04,912 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-24 14:30:04,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-24 14:30:04,912 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-24 14:30:04,913 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-24 14:30:04,913 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-24 14:30:04,913 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-24 14:30:04,913 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-24 14:30:04,913 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-24 14:30:04,913 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-24 14:30:04,913 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER [2022-10-24 14:30:05,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-24 14:30:05,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-24 14:30:05,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-24 14:30:05,242 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-24 14:30:05,243 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-24 14:30:05,244 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk26/divinefifo_1w1r.line1235.bpl [2022-10-24 14:30:05,245 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk26/divinefifo_1w1r.line1235.bpl' [2022-10-24 14:30:05,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-24 14:30:05,316 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-24 14:30:05,317 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-24 14:30:05,317 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-24 14:30:05,317 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-24 14:30:05,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "divinefifo_1w1r.line1235.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:30:05" (1/1) ... [2022-10-24 14:30:05,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "divinefifo_1w1r.line1235.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:30:05" (1/1) ... [2022-10-24 14:30:05,363 INFO L138 Inliner]: procedures = 2, calls = 1, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-24 14:30:05,364 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-24 14:30:05,365 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-24 14:30:05,365 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-24 14:30:05,365 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-24 14:30:05,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "divinefifo_1w1r.line1235.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:30:05" (1/1) ... [2022-10-24 14:30:05,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "divinefifo_1w1r.line1235.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:30:05" (1/1) ... [2022-10-24 14:30:05,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "divinefifo_1w1r.line1235.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:30:05" (1/1) ... [2022-10-24 14:30:05,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "divinefifo_1w1r.line1235.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:30:05" (1/1) ... [2022-10-24 14:30:05,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "divinefifo_1w1r.line1235.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:30:05" (1/1) ... [2022-10-24 14:30:05,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "divinefifo_1w1r.line1235.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:30:05" (1/1) ... [2022-10-24 14:30:05,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "divinefifo_1w1r.line1235.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:30:05" (1/1) ... [2022-10-24 14:30:05,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-24 14:30:05,431 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-24 14:30:05,431 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-24 14:30:05,431 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-24 14:30:05,432 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "divinefifo_1w1r.line1235.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:30:05" (1/1) ... [2022-10-24 14:30:05,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-24 14:30:05,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 14:30:05,452 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 14:30:05,469 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 14:30:05,479 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2022-10-24 14:30:05,480 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2022-10-24 14:30:05,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-24 14:30:05,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-24 14:30:05,481 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 14:30:05,594 INFO L234 CfgBuilder]: Building ICFG [2022-10-24 14:30:05,595 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-24 14:30:06,438 INFO L275 CfgBuilder]: Performing block encoding [2022-10-24 14:30:06,478 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-24 14:30:06,478 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-24 14:30:06,481 INFO L202 PluginConnector]: Adding new model divinefifo_1w1r.line1235.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:30:06 BoogieIcfgContainer [2022-10-24 14:30:06,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-24 14:30:06,492 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-24 14:30:06,492 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-24 14:30:06,495 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-24 14:30:06,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo_1w1r.line1235.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:30:05" (1/2) ... [2022-10-24 14:30:06,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@667fb5c4 and model type divinefifo_1w1r.line1235.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:30:06, skipping insertion in model container [2022-10-24 14:30:06,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo_1w1r.line1235.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:30:06" (2/2) ... [2022-10-24 14:30:06,498 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo_1w1r.line1235.bpl [2022-10-24 14:30:06,509 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-24 14:30:06,530 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-24 14:30:06,531 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-24 14:30:06,531 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-24 14:30:06,685 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-10-24 14:30:06,750 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-24 14:30:06,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-24 14:30:06,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 14:30:06,762 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 14:30:06,764 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 14:30:06,801 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-24 14:30:06,809 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-24 14:30:06,819 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;@259b233c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 14:30:06,819 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-24 14:30:07,154 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 14:30:07,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 14:30:07,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1490857836, now seen corresponding path program 1 times [2022-10-24 14:30:07,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 14:30:07,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369349850] [2022-10-24 14:30:07,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 14:30:07,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 14:30:07,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 14:30:07,664 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 14:30:07,664 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 14:30:07,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369349850] [2022-10-24 14:30:07,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369349850] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 14:30:07,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 14:30:07,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-24 14:30:07,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168646041] [2022-10-24 14:30:07,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 14:30:07,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-24 14:30:07,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 14:30:07,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-24 14:30:07,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-24 14:30:07,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:30:07,701 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 14:30:07,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 226.5) internal successors, (453), 2 states have internal predecessors, (453), 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 14:30:07,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:30:07,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:30:07,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-24 14:30:07,899 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 14:30:07,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 14:30:07,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1579283016, now seen corresponding path program 1 times [2022-10-24 14:30:07,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 14:30:07,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343556973] [2022-10-24 14:30:07,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 14:30:07,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 14:30:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 14:30:08,917 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 14:30:08,917 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 14:30:08,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343556973] [2022-10-24 14:30:08,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343556973] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 14:30:08,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 14:30:08,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-10-24 14:30:08,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231482492] [2022-10-24 14:30:08,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 14:30:08,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-10-24 14:30:08,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 14:30:08,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-10-24 14:30:08,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2022-10-24 14:30:08,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:30:08,923 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 14:30:08,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 32.5) internal successors, (520), 17 states have internal predecessors, (520), 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 14:30:08,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:30:08,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:30:10,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:30:10,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-24 14:30:10,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-24 14:30:10,575 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 14:30:10,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 14:30:10,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1487353556, now seen corresponding path program 1 times [2022-10-24 14:30:10,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 14:30:10,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938412119] [2022-10-24 14:30:10,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 14:30:10,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 14:30:10,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 14:30:13,594 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-24 14:30:13,594 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 14:30:13,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938412119] [2022-10-24 14:30:13,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938412119] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 14:30:13,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 14:30:13,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [67] imperfect sequences [] total 67 [2022-10-24 14:30:13,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325501001] [2022-10-24 14:30:13,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 14:30:13,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2022-10-24 14:30:13,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 14:30:13,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2022-10-24 14:30:13,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=214, Invalid=4208, Unknown=0, NotChecked=0, Total=4422 [2022-10-24 14:30:13,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:30:13,598 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 14:30:13,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 12.567164179104477) internal successors, (842), 67 states have internal predecessors, (842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-24 14:30:13,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:30:13,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-10-24 14:30:13,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:30:30,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:30:30,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-10-24 14:30:30,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2022-10-24 14:30:30,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-24 14:30:30,423 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 14:30:30,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 14:30:30,424 INFO L85 PathProgramCache]: Analyzing trace with hash 473800308, now seen corresponding path program 1 times [2022-10-24 14:30:30,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 14:30:30,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466583951] [2022-10-24 14:30:30,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 14:30:30,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 14:30:30,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 14:30:30,731 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 14:30:30,731 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 14:30:30,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466583951] [2022-10-24 14:30:30,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466583951] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 14:30:30,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 14:30:30,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-10-24 14:30:30,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151986288] [2022-10-24 14:30:30,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 14:30:30,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-24 14:30:30,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 14:30:30,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-24 14:30:30,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-10-24 14:30:30,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:30:30,735 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 14:30:30,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 43.30769230769231) internal successors, (563), 14 states have internal predecessors, (563), 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 14:30:30,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:30:30,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-10-24 14:30:30,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2022-10-24 14:30:30,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:30:33,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:30:33,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-10-24 14:30:33,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2022-10-24 14:30:33,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-10-24 14:30:33,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-24 14:30:33,360 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 14:30:33,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 14:30:33,362 INFO L85 PathProgramCache]: Analyzing trace with hash 774196186, now seen corresponding path program 1 times [2022-10-24 14:30:33,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 14:30:33,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074764068] [2022-10-24 14:30:33,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 14:30:33,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 14:30:33,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 14:30:34,369 INFO L134 CoverageAnalysis]: Checked inductivity of 922 backedges. 172 proven. 58 refuted. 0 times theorem prover too weak. 692 trivial. 0 not checked. [2022-10-24 14:30:34,369 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 14:30:34,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074764068] [2022-10-24 14:30:34,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074764068] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 14:30:34,369 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 14:30:34,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2022-10-24 14:30:34,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121999345] [2022-10-24 14:30:34,370 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 14:30:34,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-24 14:30:34,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 14:30:34,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-24 14:30:34,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-10-24 14:30:34,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:30:34,373 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 14:30:34,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 99.18181818181819) internal successors, (1091), 12 states have internal predecessors, (1091), 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 14:30:34,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:30:34,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-10-24 14:30:34,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2022-10-24 14:30:34,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-10-24 14:30:34,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:30:35,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:30:35,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-10-24 14:30:35,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2022-10-24 14:30:35,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-10-24 14:30:35,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-24 14:30:35,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-24 14:30:35,535 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 14:30:35,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 14:30:35,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1663826186, now seen corresponding path program 2 times [2022-10-24 14:30:35,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 14:30:35,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219054336] [2022-10-24 14:30:35,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 14:30:35,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 14:30:35,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 14:30:39,686 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2022-10-24 14:30:39,687 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 14:30:39,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219054336] [2022-10-24 14:30:39,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219054336] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 14:30:39,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 14:30:39,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [82] imperfect sequences [] total 82 [2022-10-24 14:30:39,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452124292] [2022-10-24 14:30:39,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 14:30:39,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2022-10-24 14:30:39,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 14:30:39,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2022-10-24 14:30:39,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=6382, Unknown=0, NotChecked=0, Total=6642 [2022-10-24 14:30:39,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:30:39,693 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 14:30:39,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 11.829268292682928) internal successors, (970), 82 states have internal predecessors, (970), 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 14:30:39,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:30:39,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-10-24 14:30:39,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2022-10-24 14:30:39,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-10-24 14:30:39,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-24 14:30:39,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:31:13,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:31:13,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-10-24 14:31:13,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2022-10-24 14:31:13,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-10-24 14:31:13,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-24 14:31:13,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2022-10-24 14:31:13,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-24 14:31:13,402 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 14:31:13,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 14:31:13,403 INFO L85 PathProgramCache]: Analyzing trace with hash 661147896, now seen corresponding path program 3 times [2022-10-24 14:31:13,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 14:31:13,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389417920] [2022-10-24 14:31:13,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 14:31:13,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 14:31:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 14:31:16,378 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2022-10-24 14:31:16,378 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 14:31:16,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389417920] [2022-10-24 14:31:16,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389417920] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 14:31:16,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 14:31:16,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [71] imperfect sequences [] total 71 [2022-10-24 14:31:16,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177402667] [2022-10-24 14:31:16,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 14:31:16,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2022-10-24 14:31:16,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 14:31:16,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2022-10-24 14:31:16,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=218, Invalid=4752, Unknown=0, NotChecked=0, Total=4970 [2022-10-24 14:31:16,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:31:16,384 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 14:31:16,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 15.23943661971831) internal successors, (1082), 71 states have internal predecessors, (1082), 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 14:31:16,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:31:16,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-10-24 14:31:16,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2022-10-24 14:31:16,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-10-24 14:31:16,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-24 14:31:16,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2022-10-24 14:31:16,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:31:36,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:31:36,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-10-24 14:31:36,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2022-10-24 14:31:36,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-10-24 14:31:36,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-24 14:31:36,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-10-24 14:31:36,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2022-10-24 14:31:36,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-24 14:31:36,014 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 14:31:36,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 14:31:36,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1422084062, now seen corresponding path program 4 times [2022-10-24 14:31:36,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 14:31:36,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077648435] [2022-10-24 14:31:36,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 14:31:36,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 14:31:36,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 14:31:39,173 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2022-10-24 14:31:39,176 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 14:31:39,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077648435] [2022-10-24 14:31:39,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077648435] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 14:31:39,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 14:31:39,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [70] imperfect sequences [] total 70 [2022-10-24 14:31:39,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921366215] [2022-10-24 14:31:39,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 14:31:39,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2022-10-24 14:31:39,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 14:31:39,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2022-10-24 14:31:39,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=4613, Unknown=0, NotChecked=0, Total=4830 [2022-10-24 14:31:39,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:31:39,184 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 14:31:39,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 13.714285714285714) internal successors, (960), 70 states have internal predecessors, (960), 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 14:31:39,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:31:39,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-10-24 14:31:39,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2022-10-24 14:31:39,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-10-24 14:31:39,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-24 14:31:39,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-10-24 14:31:39,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2022-10-24 14:31:39,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:32:01,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:32:01,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-10-24 14:32:01,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2022-10-24 14:32:01,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-24 14:32:01,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-24 14:32:01,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2022-10-24 14:32:01,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2022-10-24 14:32:01,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2022-10-24 14:32:01,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-24 14:32:01,612 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 14:32:01,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 14:32:01,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1169492797, now seen corresponding path program 1 times [2022-10-24 14:32:01,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 14:32:01,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471321798] [2022-10-24 14:32:01,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 14:32:01,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 14:32:01,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 14:32:04,341 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-10-24 14:32:04,342 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 14:32:04,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471321798] [2022-10-24 14:32:04,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471321798] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 14:32:04,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 14:32:04,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [73] imperfect sequences [] total 73 [2022-10-24 14:32:04,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470565700] [2022-10-24 14:32:04,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 14:32:04,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2022-10-24 14:32:04,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 14:32:04,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2022-10-24 14:32:04,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=5033, Unknown=0, NotChecked=0, Total=5256 [2022-10-24 14:32:04,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:32:04,346 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 14:32:04,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 12.424657534246576) internal successors, (907), 73 states have internal predecessors, (907), 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 14:32:04,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:32:04,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-10-24 14:32:04,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2022-10-24 14:32:04,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-24 14:32:04,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-24 14:32:04,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2022-10-24 14:32:04,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2022-10-24 14:32:04,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2022-10-24 14:32:04,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:32:21,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:32:21,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-10-24 14:32:21,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2022-10-24 14:32:21,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-24 14:32:21,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-24 14:32:21,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2022-10-24 14:32:21,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2022-10-24 14:32:21,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2022-10-24 14:32:21,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2022-10-24 14:32:21,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-24 14:32:21,637 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 14:32:21,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 14:32:21,637 INFO L85 PathProgramCache]: Analyzing trace with hash -202265361, now seen corresponding path program 1 times [2022-10-24 14:32:21,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 14:32:21,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129497418] [2022-10-24 14:32:21,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 14:32:21,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 14:32:21,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 14:32:24,087 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-10-24 14:32:24,087 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 14:32:24,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129497418] [2022-10-24 14:32:24,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129497418] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 14:32:24,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 14:32:24,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [80] imperfect sequences [] total 80 [2022-10-24 14:32:24,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954899256] [2022-10-24 14:32:24,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 14:32:24,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2022-10-24 14:32:24,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 14:32:24,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2022-10-24 14:32:24,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=251, Invalid=6069, Unknown=0, NotChecked=0, Total=6320 [2022-10-24 14:32:24,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:32:24,095 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 14:32:24,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 11.6875) internal successors, (935), 80 states have internal predecessors, (935), 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 14:32:24,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:32:24,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-10-24 14:32:24,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2022-10-24 14:32:24,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-24 14:32:24,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-24 14:32:24,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2022-10-24 14:32:24,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2022-10-24 14:32:24,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2022-10-24 14:32:24,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2022-10-24 14:32:24,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:32:53,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:32:53,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-10-24 14:32:53,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-10-24 14:32:53,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-24 14:32:53,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-24 14:32:53,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2022-10-24 14:32:53,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2022-10-24 14:32:53,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2022-10-24 14:32:53,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-10-24 14:32:53,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2022-10-24 14:32:53,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-24 14:32:53,204 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 14:32:53,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 14:32:53,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1673175620, now seen corresponding path program 1 times [2022-10-24 14:32:53,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 14:32:53,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743783843] [2022-10-24 14:32:53,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 14:32:53,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 14:32:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 14:32:57,806 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 338 proven. 182 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2022-10-24 14:32:57,807 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 14:32:57,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743783843] [2022-10-24 14:32:57,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743783843] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 14:32:57,818 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 14:32:57,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95] total 95 [2022-10-24 14:32:57,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350611238] [2022-10-24 14:32:57,819 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 14:32:57,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2022-10-24 14:32:57,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 14:32:57,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2022-10-24 14:32:57,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=8605, Unknown=0, NotChecked=0, Total=8930 [2022-10-24 14:32:57,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:32:57,823 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 14:32:57,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 12.852631578947369) internal successors, (1221), 95 states have internal predecessors, (1221), 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 14:32:57,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:32:57,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-10-24 14:32:57,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-10-24 14:32:57,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-10-24 14:32:57,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-24 14:32:57,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2022-10-24 14:32:57,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2022-10-24 14:32:57,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2022-10-24 14:32:57,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-10-24 14:32:57,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2022-10-24 14:32:57,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:33:52,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:33:52,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-10-24 14:33:52,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-10-24 14:33:52,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-24 14:33:52,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-24 14:33:52,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2022-10-24 14:33:52,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2022-10-24 14:33:52,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2022-10-24 14:33:52,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2022-10-24 14:33:52,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2022-10-24 14:33:52,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2022-10-24 14:33:52,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-24 14:33:52,238 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 14:33:52,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 14:33:52,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1611022191, now seen corresponding path program 1 times [2022-10-24 14:33:52,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 14:33:52,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975441142] [2022-10-24 14:33:52,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 14:33:52,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 14:33:52,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 14:33:56,084 INFO L134 CoverageAnalysis]: Checked inductivity of 825 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 748 trivial. 0 not checked. [2022-10-24 14:33:56,085 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 14:33:56,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975441142] [2022-10-24 14:33:56,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975441142] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 14:33:56,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 14:33:56,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [62] imperfect sequences [] total 62 [2022-10-24 14:33:56,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869529252] [2022-10-24 14:33:56,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 14:33:56,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2022-10-24 14:33:56,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 14:33:56,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2022-10-24 14:33:56,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=3612, Unknown=0, NotChecked=0, Total=3782 [2022-10-24 14:33:56,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:33:56,088 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 14:33:56,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 14.112903225806452) internal successors, (875), 62 states have internal predecessors, (875), 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 14:33:56,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:33:56,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-10-24 14:33:56,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-10-24 14:33:56,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-10-24 14:33:56,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-24 14:33:56,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2022-10-24 14:33:56,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2022-10-24 14:33:56,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2022-10-24 14:33:56,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2022-10-24 14:33:56,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2022-10-24 14:33:56,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 194 states. [2022-10-24 14:33:56,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:34:37,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:34:37,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-10-24 14:34:37,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2022-10-24 14:34:37,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-24 14:34:37,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-24 14:34:37,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2022-10-24 14:34:37,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2022-10-24 14:34:37,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2022-10-24 14:34:37,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2022-10-24 14:34:37,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2022-10-24 14:34:37,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 224 states. [2022-10-24 14:34:37,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-10-24 14:34:37,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-24 14:34:37,087 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 14:34:37,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 14:34:37,088 INFO L85 PathProgramCache]: Analyzing trace with hash -912667518, now seen corresponding path program 1 times [2022-10-24 14:34:37,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 14:34:37,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756349114] [2022-10-24 14:34:37,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 14:34:37,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 14:34:37,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 14:34:42,127 INFO L134 CoverageAnalysis]: Checked inductivity of 966 backedges. 410 proven. 366 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2022-10-24 14:34:42,127 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 14:34:42,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756349114] [2022-10-24 14:34:42,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756349114] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 14:34:42,127 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 14:34:42,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [103] total 103 [2022-10-24 14:34:42,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963859022] [2022-10-24 14:34:42,128 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 14:34:42,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2022-10-24 14:34:42,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 14:34:42,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2022-10-24 14:34:42,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=409, Invalid=10097, Unknown=0, NotChecked=0, Total=10506 [2022-10-24 14:34:42,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:34:42,132 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 14:34:42,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 103 states, 103 states have (on average 14.485436893203884) internal successors, (1492), 103 states have internal predecessors, (1492), 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 14:34:42,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:34:42,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-10-24 14:34:42,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2022-10-24 14:34:42,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-10-24 14:34:42,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-24 14:34:42,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2022-10-24 14:34:42,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2022-10-24 14:34:42,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2022-10-24 14:34:42,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2022-10-24 14:34:42,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2022-10-24 14:34:42,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 224 states. [2022-10-24 14:34:42,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2022-10-24 14:34:42,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:35:22,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:35:22,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-10-24 14:35:22,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2022-10-24 14:35:22,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-24 14:35:22,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-24 14:35:22,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2022-10-24 14:35:22,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2022-10-24 14:35:22,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2022-10-24 14:35:22,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2022-10-24 14:35:22,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2022-10-24 14:35:22,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2022-10-24 14:35:22,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-10-24 14:35:22,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2022-10-24 14:35:22,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-24 14:35:22,831 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 14:35:22,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 14:35:22,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1673794322, now seen corresponding path program 1 times [2022-10-24 14:35:22,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 14:35:22,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63597863] [2022-10-24 14:35:22,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 14:35:22,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 14:35:23,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 14:35:23,824 INFO L134 CoverageAnalysis]: Checked inductivity of 2048 backedges. 646 proven. 288 refuted. 0 times theorem prover too weak. 1114 trivial. 0 not checked. [2022-10-24 14:35:23,824 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 14:35:23,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63597863] [2022-10-24 14:35:23,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63597863] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 14:35:23,825 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 14:35:23,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2022-10-24 14:35:23,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099350312] [2022-10-24 14:35:23,825 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 14:35:23,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-24 14:35:23,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 14:35:23,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-24 14:35:23,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-10-24 14:35:23,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:35:23,827 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 14:35:23,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 95.76923076923077) internal successors, (1245), 14 states have internal predecessors, (1245), 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 14:35:23,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:35:23,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-10-24 14:35:23,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2022-10-24 14:35:23,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-10-24 14:35:23,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-24 14:35:23,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2022-10-24 14:35:23,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2022-10-24 14:35:23,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2022-10-24 14:35:23,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2022-10-24 14:35:23,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 180 states. [2022-10-24 14:35:23,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 225 states. [2022-10-24 14:35:23,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2022-10-24 14:35:23,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 194 states. [2022-10-24 14:35:23,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:35:35,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:35:35,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-10-24 14:35:35,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2022-10-24 14:35:35,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-24 14:35:35,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-24 14:35:35,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2022-10-24 14:35:35,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2022-10-24 14:35:35,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2022-10-24 14:35:35,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2022-10-24 14:35:35,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2022-10-24 14:35:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2022-10-24 14:35:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-10-24 14:35:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2022-10-24 14:35:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-10-24 14:35:35,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-24 14:35:35,255 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 14:35:35,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 14:35:35,256 INFO L85 PathProgramCache]: Analyzing trace with hash -868619474, now seen corresponding path program 2 times [2022-10-24 14:35:35,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 14:35:35,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730736697] [2022-10-24 14:35:35,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 14:35:35,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 14:35:36,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 14:35:39,876 INFO L134 CoverageAnalysis]: Checked inductivity of 16462 backedges. 6237 proven. 2744 refuted. 0 times theorem prover too weak. 7481 trivial. 0 not checked. [2022-10-24 14:35:39,876 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 14:35:39,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730736697] [2022-10-24 14:35:39,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730736697] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 14:35:39,877 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 14:35:39,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2022-10-24 14:35:39,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128209726] [2022-10-24 14:35:39,877 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 14:35:39,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-24 14:35:39,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 14:35:39,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-24 14:35:39,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-10-24 14:35:39,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:35:39,882 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 14:35:39,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 260.3) internal successors, (2603), 10 states have internal predecessors, (2603), 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 14:35:39,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:35:39,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-10-24 14:35:39,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2022-10-24 14:35:39,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-10-24 14:35:39,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-24 14:35:39,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2022-10-24 14:35:39,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2022-10-24 14:35:39,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2022-10-24 14:35:39,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2022-10-24 14:35:39,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 180 states. [2022-10-24 14:35:39,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 225 states. [2022-10-24 14:35:39,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2022-10-24 14:35:39,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2022-10-24 14:35:39,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-10-24 14:35:39,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.