/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk25/divinefifo-bug_1w1r.line1198.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-24 10:45:09,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-24 10:45:09,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-24 10:45:09,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-24 10:45:09,616 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-24 10:45:09,618 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-24 10:45:09,620 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-24 10:45:09,625 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-24 10:45:09,629 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-24 10:45:09,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-24 10:45:09,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-24 10:45:09,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-24 10:45:09,635 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-24 10:45:09,636 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-24 10:45:09,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-24 10:45:09,638 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-24 10:45:09,639 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-24 10:45:09,639 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-24 10:45:09,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-24 10:45:09,646 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-24 10:45:09,647 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-24 10:45:09,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-24 10:45:09,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-24 10:45:09,652 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-24 10:45:09,658 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-24 10:45:09,666 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2022-10-24 10:45:09,694 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-24 10:45:09,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-24 10:45:09,695 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-24 10:45:09,695 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-24 10:45:09,696 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-24 10:45:09,696 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-24 10:45:09,697 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-24 10:45:09,698 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-24 10:45:09,698 INFO L138 SettingsManager]: * Use SBE=true [2022-10-24 10:45:09,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-24 10:45:09,699 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-24 10:45:09,699 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-24 10:45:09,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-24 10:45:09,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-24 10:45:09,699 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-24 10:45:09,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-24 10:45:09,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-24 10:45:09,699 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-24 10:45:09,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-24 10:45:09,700 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-24 10:45:09,700 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-24 10:45:09,700 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-24 10:45:09,700 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-24 10:45:09,700 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-24 10:45:09,700 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-24 10:45:09,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-24 10:45:09,701 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-24 10:45:09,701 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-24 10:45:09,701 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-24 10:45:09,701 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-24 10:45:09,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-24 10:45:09,701 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-24 10:45:09,702 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-24 10:45:09,702 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-24 10:45:09,702 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-24 10:45:09,702 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER [2022-10-24 10:45:09,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-24 10:45:10,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-24 10:45:10,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-24 10:45:10,022 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-24 10:45:10,023 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-24 10:45:10,024 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk25/divinefifo-bug_1w1r.line1198.bpl [2022-10-24 10:45:10,025 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk25/divinefifo-bug_1w1r.line1198.bpl' [2022-10-24 10:45:10,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-24 10:45:10,129 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-24 10:45:10,130 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-24 10:45:10,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-24 10:45:10,130 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-24 10:45:10,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "divinefifo-bug_1w1r.line1198.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 10:45:10" (1/1) ... [2022-10-24 10:45:10,174 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "divinefifo-bug_1w1r.line1198.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 10:45:10" (1/1) ... [2022-10-24 10:45:10,185 INFO L138 Inliner]: procedures = 2, calls = 1, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-24 10:45:10,186 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-24 10:45:10,187 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-24 10:45:10,187 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-24 10:45:10,187 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-24 10:45:10,192 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1198.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 10:45:10" (1/1) ... [2022-10-24 10:45:10,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1198.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 10:45:10" (1/1) ... [2022-10-24 10:45:10,204 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1198.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 10:45:10" (1/1) ... [2022-10-24 10:45:10,204 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1198.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 10:45:10" (1/1) ... [2022-10-24 10:45:10,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1198.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 10:45:10" (1/1) ... [2022-10-24 10:45:10,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1198.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 10:45:10" (1/1) ... [2022-10-24 10:45:10,248 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1198.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 10:45:10" (1/1) ... [2022-10-24 10:45:10,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-24 10:45:10,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-24 10:45:10,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-24 10:45:10,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-24 10:45:10,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "divinefifo-bug_1w1r.line1198.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 10:45:10" (1/1) ... [2022-10-24 10:45:10,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-24 10:45:10,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 10:45:10,312 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 10:45:10,337 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 10:45:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2022-10-24 10:45:10,358 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2022-10-24 10:45:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-24 10:45:10,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-24 10:45:10,360 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 10:45:10,557 INFO L234 CfgBuilder]: Building ICFG [2022-10-24 10:45:10,558 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-24 10:45:11,503 INFO L275 CfgBuilder]: Performing block encoding [2022-10-24 10:45:11,533 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-24 10:45:11,533 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-24 10:45:11,536 INFO L202 PluginConnector]: Adding new model divinefifo-bug_1w1r.line1198.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:45:11 BoogieIcfgContainer [2022-10-24 10:45:11,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-24 10:45:11,537 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-24 10:45:11,537 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-24 10:45:11,539 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-24 10:45:11,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo-bug_1w1r.line1198.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 10:45:10" (1/2) ... [2022-10-24 10:45:11,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@658fa59f and model type divinefifo-bug_1w1r.line1198.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:45:11, skipping insertion in model container [2022-10-24 10:45:11,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo-bug_1w1r.line1198.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:45:11" (2/2) ... [2022-10-24 10:45:11,541 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo-bug_1w1r.line1198.bpl [2022-10-24 10:45:11,546 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-24 10:45:11,555 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-24 10:45:11,555 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-24 10:45:11,555 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-24 10:45:11,656 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-10-24 10:45:11,726 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 10:45:11,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-24 10:45:11,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 10:45:11,728 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 10:45:11,755 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 10:45:11,769 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-24 10:45:11,777 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-24 10:45:11,787 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;@39181f51, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 10:45:11,787 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-24 10:45:11,870 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 10:45:11,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 10:45:11,874 INFO L85 PathProgramCache]: Analyzing trace with hash -3798610, now seen corresponding path program 1 times [2022-10-24 10:45:11,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 10:45:11,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636526791] [2022-10-24 10:45:11,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 10:45:11,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 10:45:12,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 10:45:12,247 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 10:45:12,248 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 10:45:12,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636526791] [2022-10-24 10:45:12,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636526791] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 10:45:12,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 10:45:12,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-24 10:45:12,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817059063] [2022-10-24 10:45:12,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 10:45:12,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-24 10:45:12,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 10:45:12,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-24 10:45:12,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-24 10:45:12,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:45:12,326 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 10:45:12,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 210.0) internal successors, (420), 2 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-24 10:45:12,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:45:12,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:45:12,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-24 10:45:12,482 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 10:45:12,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 10:45:12,483 INFO L85 PathProgramCache]: Analyzing trace with hash -806307475, now seen corresponding path program 1 times [2022-10-24 10:45:12,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 10:45:12,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632961866] [2022-10-24 10:45:12,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 10:45:12,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 10:45:12,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 10:45:16,347 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 10:45:16,348 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 10:45:16,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632961866] [2022-10-24 10:45:16,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632961866] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 10:45:16,348 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 10:45:16,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [70] imperfect sequences [] total 70 [2022-10-24 10:45:16,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617502206] [2022-10-24 10:45:16,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 10:45:16,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2022-10-24 10:45:16,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 10:45:16,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2022-10-24 10:45:16,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=4618, Unknown=0, NotChecked=0, Total=4830 [2022-10-24 10:45:16,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:45:16,353 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 10:45:16,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 6.957142857142857) internal successors, (487), 70 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-24 10:45:16,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:45:16,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:45:34,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:45:34,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-10-24 10:45:34,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-24 10:45:34,958 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 10:45:34,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 10:45:34,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1503909477, now seen corresponding path program 1 times [2022-10-24 10:45:34,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 10:45:34,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541054021] [2022-10-24 10:45:34,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 10:45:34,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 10:45:35,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 10:45:36,222 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 10:45:36,222 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 10:45:36,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541054021] [2022-10-24 10:45:36,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541054021] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 10:45:36,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 10:45:36,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [44] imperfect sequences [] total 44 [2022-10-24 10:45:36,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40335240] [2022-10-24 10:45:36,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 10:45:36,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-10-24 10:45:36,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 10:45:36,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-10-24 10:45:36,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=1830, Unknown=0, NotChecked=0, Total=1980 [2022-10-24 10:45:36,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:45:36,226 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 10:45:36,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 44 states have (on average 9.772727272727273) internal successors, (430), 45 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-24 10:45:36,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:45:36,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-10-24 10:45:36,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:45:48,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:45:48,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2022-10-24 10:45:48,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-10-24 10:45:48,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-24 10:45:48,761 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 10:45:48,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 10:45:48,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1070034665, now seen corresponding path program 1 times [2022-10-24 10:45:48,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 10:45:48,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655137002] [2022-10-24 10:45:48,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 10:45:48,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 10:45:50,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 10:45:56,539 INFO L134 CoverageAnalysis]: Checked inductivity of 27324 backedges. 1766 proven. 0 refuted. 0 times theorem prover too weak. 25558 trivial. 0 not checked. [2022-10-24 10:45:56,540 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 10:45:56,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655137002] [2022-10-24 10:45:56,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655137002] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 10:45:56,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 10:45:56,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [75] imperfect sequences [] total 75 [2022-10-24 10:45:56,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776854720] [2022-10-24 10:45:56,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 10:45:56,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2022-10-24 10:45:56,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 10:45:56,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2022-10-24 10:45:56,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=5315, Unknown=0, NotChecked=0, Total=5550 [2022-10-24 10:45:56,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:45:56,547 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 10:45:56,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 17.466666666666665) internal successors, (1310), 75 states have internal predecessors, (1310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-24 10:45:56,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:45:56,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2022-10-24 10:45:56,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-10-24 10:45:56,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:46:20,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:46:20,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2022-10-24 10:46:20,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-10-24 10:46:20,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2022-10-24 10:46:20,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-24 10:46:20,123 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 10:46:20,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 10:46:20,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1261190307, now seen corresponding path program 1 times [2022-10-24 10:46:20,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 10:46:20,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223601106] [2022-10-24 10:46:20,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 10:46:20,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 10:46:21,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 10:46:26,906 INFO L134 CoverageAnalysis]: Checked inductivity of 15658 backedges. 1843 proven. 0 refuted. 0 times theorem prover too weak. 13815 trivial. 0 not checked. [2022-10-24 10:46:26,906 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 10:46:26,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223601106] [2022-10-24 10:46:26,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223601106] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 10:46:26,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 10:46:26,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [79] imperfect sequences [] total 79 [2022-10-24 10:46:26,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529235370] [2022-10-24 10:46:26,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 10:46:26,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2022-10-24 10:46:26,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 10:46:26,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2022-10-24 10:46:26,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=241, Invalid=5921, Unknown=0, NotChecked=0, Total=6162 [2022-10-24 10:46:26,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:46:26,911 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 10:46:26,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 16.9873417721519) internal successors, (1342), 79 states have internal predecessors, (1342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-24 10:46:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:46:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2022-10-24 10:46:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-10-24 10:46:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2022-10-24 10:46:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:46:56,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:46:56,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2022-10-24 10:46:56,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-10-24 10:46:56,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-10-24 10:46:56,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2022-10-24 10:46:56,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-24 10:46:56,388 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 10:46:56,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 10:46:56,389 INFO L85 PathProgramCache]: Analyzing trace with hash -506181877, now seen corresponding path program 1 times [2022-10-24 10:46:56,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 10:46:56,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961558446] [2022-10-24 10:46:56,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 10:46:56,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 10:46:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 10:47:00,298 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 11 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-24 10:47:00,298 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 10:47:00,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961558446] [2022-10-24 10:47:00,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961558446] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 10:47:00,299 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 10:47:00,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [89] total 89 [2022-10-24 10:47:00,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302446203] [2022-10-24 10:47:00,299 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 10:47:00,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2022-10-24 10:47:00,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 10:47:00,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2022-10-24 10:47:00,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=279, Invalid=7553, Unknown=0, NotChecked=0, Total=7832 [2022-10-24 10:47:00,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:47:00,309 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 10:47:00,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 89 states have (on average 9.97752808988764) internal successors, (888), 89 states have internal predecessors, (888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-24 10:47:00,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:47:00,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2022-10-24 10:47:00,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-10-24 10:47:00,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-10-24 10:47:00,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2022-10-24 10:47:00,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:47:38,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:47:38,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2022-10-24 10:47:38,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-10-24 10:47:38,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-10-24 10:47:38,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2022-10-24 10:47:38,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2022-10-24 10:47:38,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-24 10:47:38,871 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 10:47:38,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 10:47:38,871 INFO L85 PathProgramCache]: Analyzing trace with hash -930649337, now seen corresponding path program 1 times [2022-10-24 10:47:38,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 10:47:38,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817497416] [2022-10-24 10:47:38,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 10:47:38,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 10:47:38,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 10:47:41,738 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-24 10:47:41,739 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 10:47:41,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817497416] [2022-10-24 10:47:41,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817497416] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 10:47:41,739 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 10:47:41,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [78] total 78 [2022-10-24 10:47:41,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818795006] [2022-10-24 10:47:41,739 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 10:47:41,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2022-10-24 10:47:41,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 10:47:41,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2022-10-24 10:47:41,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=298, Invalid=5864, Unknown=0, NotChecked=0, Total=6162 [2022-10-24 10:47:41,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:47:41,743 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 10:47:41,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 78 states have (on average 10.653846153846153) internal successors, (831), 79 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-24 10:47:41,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:47:41,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2022-10-24 10:47:41,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-10-24 10:47:41,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-10-24 10:47:41,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2022-10-24 10:47:41,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2022-10-24 10:47:41,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:48:19,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:48:19,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2022-10-24 10:48:19,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-10-24 10:48:19,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2022-10-24 10:48:19,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-10-24 10:48:19,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2022-10-24 10:48:19,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-10-24 10:48:19,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-24 10:48:19,692 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 10:48:19,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 10:48:19,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1220785973, now seen corresponding path program 1 times [2022-10-24 10:48:19,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 10:48:19,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934837274] [2022-10-24 10:48:19,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 10:48:19,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 10:48:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 10:48:28,210 INFO L134 CoverageAnalysis]: Checked inductivity of 30060 backedges. 8648 proven. 10339 refuted. 0 times theorem prover too weak. 11073 trivial. 0 not checked. [2022-10-24 10:48:28,211 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 10:48:28,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934837274] [2022-10-24 10:48:28,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934837274] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 10:48:28,211 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 10:48:28,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65] total 65 [2022-10-24 10:48:28,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947526693] [2022-10-24 10:48:28,212 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 10:48:28,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2022-10-24 10:48:28,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 10:48:28,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2022-10-24 10:48:28,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=3973, Unknown=0, NotChecked=0, Total=4160 [2022-10-24 10:48:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:48:28,215 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 10:48:28,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 37.09230769230769) internal successors, (2411), 65 states have internal predecessors, (2411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-24 10:48:28,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:48:28,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2022-10-24 10:48:28,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-10-24 10:48:28,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2022-10-24 10:48:28,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-10-24 10:48:28,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2022-10-24 10:48:28,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-10-24 10:48:28,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:49:01,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:49:01,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2022-10-24 10:49:01,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-10-24 10:49:01,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2022-10-24 10:49:01,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-10-24 10:49:01,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2022-10-24 10:49:01,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-10-24 10:49:01,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2022-10-24 10:49:01,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-24 10:49:01,502 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 10:49:01,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 10:49:01,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1233784940, now seen corresponding path program 2 times [2022-10-24 10:49:01,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 10:49:01,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876680376] [2022-10-24 10:49:01,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 10:49:01,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 10:49:04,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 10:49:16,906 INFO L134 CoverageAnalysis]: Checked inductivity of 88250 backedges. 59237 proven. 2718 refuted. 0 times theorem prover too weak. 26295 trivial. 0 not checked. [2022-10-24 10:49:16,906 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 10:49:16,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876680376] [2022-10-24 10:49:16,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876680376] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 10:49:16,906 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 10:49:16,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2022-10-24 10:49:16,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203955014] [2022-10-24 10:49:16,907 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 10:49:16,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-10-24 10:49:16,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 10:49:16,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-10-24 10:49:16,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=2218, Unknown=0, NotChecked=0, Total=2352 [2022-10-24 10:49:16,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:49:16,912 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 10:49:16,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 53.3469387755102) internal successors, (2614), 49 states have internal predecessors, (2614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-24 10:49:16,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:49:16,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2022-10-24 10:49:16,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-10-24 10:49:16,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2022-10-24 10:49:16,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-10-24 10:49:16,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2022-10-24 10:49:16,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-10-24 10:49:16,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2022-10-24 10:49:16,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:49:46,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:49:46,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2022-10-24 10:49:46,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-10-24 10:49:46,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2022-10-24 10:49:46,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-10-24 10:49:46,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2022-10-24 10:49:46,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-10-24 10:49:46,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2022-10-24 10:49:46,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. [2022-10-24 10:49:46,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-24 10:49:46,171 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 10:49:46,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 10:49:46,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1242641125, now seen corresponding path program 1 times [2022-10-24 10:49:46,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 10:49:46,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726436291] [2022-10-24 10:49:46,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 10:49:46,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 10:49:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 10:49:59,947 INFO L134 CoverageAnalysis]: Checked inductivity of 90724 backedges. 42540 proven. 0 refuted. 0 times theorem prover too weak. 48184 trivial. 0 not checked. [2022-10-24 10:49:59,947 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 10:49:59,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726436291] [2022-10-24 10:49:59,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726436291] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 10:49:59,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 10:49:59,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-10-24 10:49:59,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319870581] [2022-10-24 10:49:59,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 10:49:59,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-10-24 10:49:59,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 10:49:59,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-10-24 10:49:59,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=414, Unknown=0, NotChecked=0, Total=462 [2022-10-24 10:49:59,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:49:59,953 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 10:49:59,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 80.18181818181819) internal successors, (1764), 22 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-24 10:49:59,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:49:59,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2022-10-24 10:49:59,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-10-24 10:49:59,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2022-10-24 10:49:59,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-10-24 10:49:59,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2022-10-24 10:49:59,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-10-24 10:49:59,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2022-10-24 10:49:59,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 237 states. [2022-10-24 10:49:59,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:50:05,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:50:05,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2022-10-24 10:50:05,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-10-24 10:50:05,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2022-10-24 10:50:05,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-10-24 10:50:05,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2022-10-24 10:50:05,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-10-24 10:50:05,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2022-10-24 10:50:05,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 249 states. [2022-10-24 10:50:05,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-10-24 10:50:05,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-24 10:50:05,665 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 10:50:05,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 10:50:05,665 INFO L85 PathProgramCache]: Analyzing trace with hash -653529138, now seen corresponding path program 1 times [2022-10-24 10:50:05,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 10:50:05,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753132979] [2022-10-24 10:50:05,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 10:50:05,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 10:50:06,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 10:50:12,823 INFO L134 CoverageAnalysis]: Checked inductivity of 9740 backedges. 5633 proven. 1775 refuted. 0 times theorem prover too weak. 2332 trivial. 0 not checked. [2022-10-24 10:50:12,824 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 10:50:12,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753132979] [2022-10-24 10:50:12,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753132979] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 10:50:12,824 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 10:50:12,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [76] total 76 [2022-10-24 10:50:12,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50967757] [2022-10-24 10:50:12,825 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 10:50:12,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2022-10-24 10:50:12,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 10:50:12,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2022-10-24 10:50:12,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=5466, Unknown=0, NotChecked=0, Total=5700 [2022-10-24 10:50:12,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:50:12,829 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 10:50:12,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 30.210526315789473) internal successors, (2296), 76 states have internal predecessors, (2296), 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 10:50:12,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:50:12,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2022-10-24 10:50:12,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-10-24 10:50:12,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2022-10-24 10:50:12,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-10-24 10:50:12,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2022-10-24 10:50:12,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-10-24 10:50:12,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2022-10-24 10:50:12,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 249 states. [2022-10-24 10:50:12,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-10-24 10:50:12,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:51:03,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:51:03,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2022-10-24 10:51:03,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-10-24 10:51:03,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2022-10-24 10:51:03,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-10-24 10:51:03,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2022-10-24 10:51:03,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-10-24 10:51:03,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2022-10-24 10:51:03,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 249 states. [2022-10-24 10:51:03,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-10-24 10:51:03,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2022-10-24 10:51:03,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-24 10:51:03,154 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 10:51:03,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 10:51:03,154 INFO L85 PathProgramCache]: Analyzing trace with hash -677312730, now seen corresponding path program 2 times [2022-10-24 10:51:03,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 10:51:03,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935045857] [2022-10-24 10:51:03,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 10:51:03,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 10:51:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 10:51:12,972 INFO L134 CoverageAnalysis]: Checked inductivity of 12239 backedges. 7697 proven. 341 refuted. 0 times theorem prover too weak. 4201 trivial. 0 not checked. [2022-10-24 10:51:12,972 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 10:51:12,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935045857] [2022-10-24 10:51:12,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935045857] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 10:51:12,972 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 10:51:12,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67] total 67 [2022-10-24 10:51:12,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952985030] [2022-10-24 10:51:12,973 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 10:51:12,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2022-10-24 10:51:12,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 10:51:12,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2022-10-24 10:51:12,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=251, Invalid=4171, Unknown=0, NotChecked=0, Total=4422 [2022-10-24 10:51:12,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:51:12,976 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 10:51:12,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 32.776119402985074) internal successors, (2196), 67 states have internal predecessors, (2196), 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 10:51:12,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:51:12,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2022-10-24 10:51:12,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-10-24 10:51:12,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2022-10-24 10:51:12,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-10-24 10:51:12,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2022-10-24 10:51:12,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-10-24 10:51:12,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2022-10-24 10:51:12,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 249 states. [2022-10-24 10:51:12,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-10-24 10:51:12,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 220 states. [2022-10-24 10:51:12,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:53:04,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:53:04,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2022-10-24 10:53:04,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-10-24 10:53:04,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2022-10-24 10:53:04,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-10-24 10:53:04,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2022-10-24 10:53:04,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-10-24 10:53:04,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2022-10-24 10:53:04,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 261 states. [2022-10-24 10:53:04,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-10-24 10:53:04,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2022-10-24 10:53:04,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 289 states. [2022-10-24 10:53:04,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-24 10:53:04,417 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 10:53:04,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 10:53:04,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1733211594, now seen corresponding path program 3 times [2022-10-24 10:53:04,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 10:53:04,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746490928] [2022-10-24 10:53:04,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 10:53:04,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 10:53:05,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 10:54:43,101 INFO L134 CoverageAnalysis]: Checked inductivity of 9721 backedges. 4164 proven. 4894 refuted. 0 times theorem prover too weak. 663 trivial. 0 not checked. [2022-10-24 10:54:43,101 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 10:54:43,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746490928] [2022-10-24 10:54:43,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746490928] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 10:54:43,102 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 10:54:43,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [145] total 145 [2022-10-24 10:54:43,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704901271] [2022-10-24 10:54:43,102 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 10:54:43,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 145 states [2022-10-24 10:54:43,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 10:54:43,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2022-10-24 10:54:43,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=792, Invalid=20088, Unknown=0, NotChecked=0, Total=20880 [2022-10-24 10:54:43,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:54:43,108 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 10:54:43,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 145 states, 145 states have (on average 20.71034482758621) internal successors, (3003), 145 states have internal predecessors, (3003), 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 10:54:43,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 10:54:43,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2022-10-24 10:54:43,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-10-24 10:54:43,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2022-10-24 10:54:43,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-10-24 10:54:43,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2022-10-24 10:54:43,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-10-24 10:54:43,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2022-10-24 10:54:43,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 261 states. [2022-10-24 10:54:43,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-10-24 10:54:43,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 220 states. [2022-10-24 10:54:43,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 289 states. [2022-10-24 10:54:43,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-10-24 10:57:44,164 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-10-24 10:57:44,164 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-10-24 10:57:44,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-24 10:57:44,237 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2022-10-24 10:57:44,238 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-24 10:57:44,241 INFO L444 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-24 10:57:44,242 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was TIMEOUT (1/2) [2022-10-24 10:57:44,243 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-24 10:57:44,243 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-24 10:57:44,253 INFO L202 PluginConnector]: Adding new model divinefifo-bug_1w1r.line1198.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:57:44 BasicIcfg [2022-10-24 10:57:44,253 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-24 10:57:44,254 INFO L158 Benchmark]: Toolchain (without parser) took 754125.07ms. Allocated memory was 182.5MB in the beginning and 7.2GB in the end (delta: 7.0GB). Free memory was 155.4MB in the beginning and 4.0GB in the end (delta: -3.8GB). Peak memory consumption was 3.2GB. Max. memory is 8.0GB. [2022-10-24 10:57:44,254 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.15ms. Allocated memory is still 182.5MB. Free memory is still 161.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-24 10:57:44,254 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.19ms. Allocated memory is still 182.5MB. Free memory was 155.2MB in the beginning and 153.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-24 10:57:44,254 INFO L158 Benchmark]: Boogie Preprocessor took 76.26ms. Allocated memory is still 182.5MB. Free memory was 153.1MB in the beginning and 147.4MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-10-24 10:57:44,255 INFO L158 Benchmark]: RCFGBuilder took 1271.81ms. Allocated memory is still 182.5MB. Free memory was 147.4MB in the beginning and 149.4MB in the end (delta: -2.1MB). Peak memory consumption was 39.5MB. Max. memory is 8.0GB. [2022-10-24 10:57:44,255 INFO L158 Benchmark]: TraceAbstraction took 752716.32ms. Allocated memory was 182.5MB in the beginning and 7.2GB in the end (delta: 7.0GB). Free memory was 148.9MB in the beginning and 4.0GB in the end (delta: -3.8GB). Peak memory consumption was 3.2GB. Max. memory is 8.0GB. [2022-10-24 10:57:44,256 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.15ms. Allocated memory is still 182.5MB. Free memory is still 161.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 56.19ms. Allocated memory is still 182.5MB. Free memory was 155.2MB in the beginning and 153.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 76.26ms. Allocated memory is still 182.5MB. Free memory was 153.1MB in the beginning and 147.4MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1271.81ms. Allocated memory is still 182.5MB. Free memory was 147.4MB in the beginning and 149.4MB in the end (delta: -2.1MB). Peak memory consumption was 39.5MB. Max. memory is 8.0GB. * TraceAbstraction took 752716.32ms. Allocated memory was 182.5MB in the beginning and 7.2GB in the end (delta: 7.0GB). Free memory was 148.9MB in the beginning and 4.0GB in the end (delta: -3.8GB). Peak memory consumption was 3.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 234391, positive: 227069, positive conditional: 227069, positive unconditional: 0, negative: 7322, negative conditional: 7322, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 227538, positive: 227069, positive conditional: 227069, positive unconditional: 0, negative: 469, negative conditional: 469, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 227538, positive: 227069, positive conditional: 227069, positive unconditional: 0, negative: 469, negative conditional: 469, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 229970, positive: 227069, positive conditional: 4, positive unconditional: 227065, negative: 2901, negative conditional: 2428, negative unconditional: 473, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 229970, positive: 227069, positive conditional: 4, positive unconditional: 227065, negative: 2901, negative conditional: 108, negative unconditional: 2793, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 229970, positive: 227069, positive conditional: 4, positive unconditional: 227065, negative: 2901, negative conditional: 108, negative unconditional: 2793, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 51718, positive: 51457, positive conditional: 4, positive unconditional: 51453, negative: 261, negative conditional: 83, negative unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 51718, positive: 51453, positive conditional: 0, positive unconditional: 51453, negative: 265, negative conditional: 0, negative unconditional: 265, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 265, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 261, negative conditional: 83, negative unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 390, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 386, negative conditional: 173, negative unconditional: 212, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 229970, positive: 175612, positive conditional: 0, positive unconditional: 175612, negative: 2640, negative conditional: 25, negative unconditional: 2615, unknown: 51718, unknown conditional: 87, unknown unconditional: 51631] , Statistics on independence cache: Total cache size (in pairs): 51718, Positive cache size: 51457, Positive conditional cache size: 4, Positive unconditional cache size: 51453, Negative cache size: 261, Negative conditional cache size: 83, Negative unconditional cache size: 178, Eliminated conditions: 2320, Maximal queried relation: 10, Independence queries for same thread: 6853 - TimeoutResultAtElement [Line: 1198]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 3 procedures, 1463 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 752.5s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 572.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1769, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 10.8s SatisfiabilityAnalysisTime, 167.9s InterpolantComputationTime, 47513 NumberOfCodeBlocks, 47513 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 47500 ConstructedInterpolants, 0 QuantifiedInterpolants, 983279 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 6 PerfectInterpolantSequences, 263660/284105 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown