/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/chunk03/safe028_power.line723.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-19 20:25:35,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-19 20:25:35,568 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-19 20:25:35,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-19 20:25:35,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-19 20:25:35,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-19 20:25:35,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-19 20:25:35,609 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-19 20:25:35,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-19 20:25:35,616 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-19 20:25:35,617 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-19 20:25:35,619 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-19 20:25:35,619 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-19 20:25:35,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-19 20:25:35,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-19 20:25:35,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-19 20:25:35,623 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-19 20:25:35,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-19 20:25:35,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-19 20:25:35,631 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-19 20:25:35,633 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-19 20:25:35,634 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-19 20:25:35,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-19 20:25:35,636 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-19 20:25:35,641 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-19 20:25:35,660 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2022-10-19 20:25:35,703 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-19 20:25:35,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-19 20:25:35,704 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-19 20:25:35,704 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-19 20:25:35,705 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-19 20:25:35,705 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-19 20:25:35,706 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-19 20:25:35,707 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-19 20:25:35,707 INFO L138 SettingsManager]: * Use SBE=true [2022-10-19 20:25:35,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-19 20:25:35,707 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-19 20:25:35,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-19 20:25:35,708 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-19 20:25:35,708 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-19 20:25:35,708 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-19 20:25:35,708 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-19 20:25:35,708 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-19 20:25:35,708 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-19 20:25:35,708 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-19 20:25:35,708 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-19 20:25:35,708 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-19 20:25:35,708 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-19 20:25:35,709 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-19 20:25:35,709 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-19 20:25:35,709 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-19 20:25:35,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-19 20:25:35,709 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-19 20:25:35,709 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-19 20:25:35,709 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-19 20:25:35,709 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-19 20:25:35,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-19 20:25:35,709 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-19 20:25:35,710 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-19 20:25:35,710 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-19 20:25:35,710 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-19 20:25:35,710 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER [2022-10-19 20:25:35,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-19 20:25:35,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-19 20:25:35,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-19 20:25:35,984 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-19 20:25:35,985 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-19 20:25:35,986 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk03/safe028_power.line723.bpl [2022-10-19 20:25:35,987 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk03/safe028_power.line723.bpl' [2022-10-19 20:25:36,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-19 20:25:36,050 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-19 20:25:36,052 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-19 20:25:36,052 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-19 20:25:36,052 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-19 20:25:36,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "safe028_power.line723.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 08:25:36" (1/1) ... [2022-10-19 20:25:36,094 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "safe028_power.line723.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 08:25:36" (1/1) ... [2022-10-19 20:25:36,107 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-19 20:25:36,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-19 20:25:36,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-19 20:25:36,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-19 20:25:36,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-19 20:25:36,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "safe028_power.line723.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 08:25:36" (1/1) ... [2022-10-19 20:25:36,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "safe028_power.line723.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 08:25:36" (1/1) ... [2022-10-19 20:25:36,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "safe028_power.line723.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 08:25:36" (1/1) ... [2022-10-19 20:25:36,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "safe028_power.line723.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 08:25:36" (1/1) ... [2022-10-19 20:25:36,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "safe028_power.line723.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 08:25:36" (1/1) ... [2022-10-19 20:25:36,172 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "safe028_power.line723.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 08:25:36" (1/1) ... [2022-10-19 20:25:36,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "safe028_power.line723.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 08:25:36" (1/1) ... [2022-10-19 20:25:36,184 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-19 20:25:36,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-19 20:25:36,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-19 20:25:36,185 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-19 20:25:36,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "safe028_power.line723.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 08:25:36" (1/1) ... [2022-10-19 20:25:36,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-19 20:25:36,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-19 20:25:36,245 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) [2022-10-19 20:25:36,255 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 [2022-10-19 20:25:36,298 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-10-19 20:25:36,299 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-10-19 20:25:36,299 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-10-19 20:25:36,299 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-10-19 20:25:36,299 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-10-19 20:25:36,299 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-10-19 20:25:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-19 20:25:36,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-19 20:25:36,302 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-19 20:25:36,545 INFO L234 CfgBuilder]: Building ICFG [2022-10-19 20:25:36,548 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-19 20:25:37,364 INFO L275 CfgBuilder]: Performing block encoding [2022-10-19 20:25:37,387 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-19 20:25:37,387 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-19 20:25:37,390 INFO L202 PluginConnector]: Adding new model safe028_power.line723.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 08:25:37 BoogieIcfgContainer [2022-10-19 20:25:37,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-19 20:25:37,396 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-19 20:25:37,397 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-19 20:25:37,399 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-19 20:25:37,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "safe028_power.line723.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 08:25:36" (1/2) ... [2022-10-19 20:25:37,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d8e829e and model type safe028_power.line723.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 08:25:37, skipping insertion in model container [2022-10-19 20:25:37,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "safe028_power.line723.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 08:25:37" (2/2) ... [2022-10-19 20:25:37,401 INFO L112 eAbstractionObserver]: Analyzing ICFG safe028_power.line723.bpl [2022-10-19 20:25:37,408 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-19 20:25:37,415 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-19 20:25:37,416 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-19 20:25:37,416 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-19 20:25:37,591 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-10-19 20:25:37,664 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-19 20:25:37,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-19 20:25:37,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-19 20:25:37,680 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) [2022-10-19 20:25:37,683 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 [2022-10-19 20:25:37,721 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-19 20:25:37,737 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Err0ASSERT_VIOLATIONASSERT ======== [2022-10-19 20:25:37,746 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;@3f3a615, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-19 20:25:37,746 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-19 20:25:37,749 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-10-19 20:25:37,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-19 20:25:37,757 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-19 20:25:37,759 INFO L307 ceAbstractionStarter]: Result for error location P2Err0ASSERT_VIOLATIONASSERT was SAFE (1/5) [2022-10-19 20:25:37,770 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-19 20:25:37,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-19 20:25:37,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-19 20:25:37,772 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-19 20:25:37,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-10-19 20:25:37,776 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-19 20:25:37,777 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-19 20:25:37,777 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;@3f3a615, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-19 20:25:37,777 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-19 20:25:55,765 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-19 20:25:55,767 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-19 20:25:55,767 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/5) [2022-10-19 20:25:55,774 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-19 20:25:55,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-19 20:25:55,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-19 20:25:55,776 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-19 20:25:55,793 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-19 20:25:55,793 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-19 20:25:55,794 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;@3f3a615, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-19 20:25:55,794 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-19 20:25:55,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-19 20:25:55,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-10-19 20:25:55,800 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-19 20:25:55,800 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (3/5) [2022-10-19 20:25:55,805 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-19 20:25:55,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-19 20:25:55,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-19 20:25:55,807 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-19 20:25:55,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2022-10-19 20:25:55,810 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-19 20:25:55,811 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-19 20:25:55,811 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;@3f3a615, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-19 20:25:55,811 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-19 20:25:55,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-19 20:25:55,987 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-19 20:25:55,988 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (4/5) [2022-10-19 20:25:55,996 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-19 20:25:55,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-19 20:25:55,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-19 20:25:55,998 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-19 20:25:56,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2022-10-19 20:25:56,002 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-19 20:25:56,002 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Err0ASSERT_VIOLATIONASSERT ======== [2022-10-19 20:25:56,003 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;@3f3a615, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-19 20:25:56,003 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-19 20:25:56,015 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-19 20:25:56,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-19 20:25:56,019 INFO L85 PathProgramCache]: Analyzing trace with hash -154546502, now seen corresponding path program 1 times [2022-10-19 20:25:56,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-19 20:25:56,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256886756] [2022-10-19 20:25:56,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-19 20:25:56,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-19 20:25:56,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-19 20:25:56,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-19 20:25:56,660 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-19 20:25:56,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256886756] [2022-10-19 20:25:56,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256886756] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-19 20:25:56,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-19 20:25:56,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-19 20:25:56,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668724539] [2022-10-19 20:25:56,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-19 20:25:56,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-19 20:25:56,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-19 20:25:56,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-19 20:25:56,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-19 20:25:56,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:56,691 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-19 20:25:56,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 173.5) internal successors, (347), 2 states have internal predecessors, (347), 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) [2022-10-19 20:25:56,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:56,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:56,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-19 20:25:56,732 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-19 20:25:56,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-19 20:25:56,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1024986880, now seen corresponding path program 1 times [2022-10-19 20:25:56,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-19 20:25:56,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200333916] [2022-10-19 20:25:56,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-19 20:25:56,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-19 20:25:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-19 20:25:56,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-19 20:25:56,953 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-19 20:25:56,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200333916] [2022-10-19 20:25:56,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200333916] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-19 20:25:56,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-19 20:25:56,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-19 20:25:56,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672989697] [2022-10-19 20:25:56,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-19 20:25:56,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-19 20:25:56,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-19 20:25:56,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-19 20:25:56,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-19 20:25:56,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:56,957 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-19 20:25:56,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 42.42857142857143) internal successors, (297), 7 states have internal predecessors, (297), 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) [2022-10-19 20:25:56,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:56,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:57,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:57,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:57,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-19 20:25:57,059 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-19 20:25:57,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-19 20:25:57,062 INFO L85 PathProgramCache]: Analyzing trace with hash 958621115, now seen corresponding path program 1 times [2022-10-19 20:25:57,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-19 20:25:57,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706579420] [2022-10-19 20:25:57,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-19 20:25:57,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-19 20:25:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-19 20:25:57,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-19 20:25:57,230 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-19 20:25:57,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706579420] [2022-10-19 20:25:57,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706579420] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-19 20:25:57,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-19 20:25:57,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-19 20:25:57,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028273345] [2022-10-19 20:25:57,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-19 20:25:57,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-19 20:25:57,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-19 20:25:57,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-19 20:25:57,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-19 20:25:57,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:57,232 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-19 20:25:57,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 86.25) internal successors, (345), 4 states have internal predecessors, (345), 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) [2022-10-19 20:25:57,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:57,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:57,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:57,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:57,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:57,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-19 20:25:57,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-19 20:25:57,271 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-19 20:25:57,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-19 20:25:57,271 INFO L85 PathProgramCache]: Analyzing trace with hash -528902693, now seen corresponding path program 1 times [2022-10-19 20:25:57,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-19 20:25:57,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518567643] [2022-10-19 20:25:57,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-19 20:25:57,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-19 20:25:57,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-19 20:25:57,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-19 20:25:57,489 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-19 20:25:57,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518567643] [2022-10-19 20:25:57,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518567643] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-19 20:25:57,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-19 20:25:57,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-19 20:25:57,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200922382] [2022-10-19 20:25:57,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-19 20:25:57,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-19 20:25:57,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-19 20:25:57,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-19 20:25:57,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-19 20:25:57,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:57,491 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-19 20:25:57,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 49.285714285714285) internal successors, (345), 7 states have internal predecessors, (345), 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) [2022-10-19 20:25:57,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:57,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:57,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-19 20:25:57,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:57,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:57,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:57,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-19 20:25:57,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:57,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-19 20:25:57,560 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-19 20:25:57,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-19 20:25:57,561 INFO L85 PathProgramCache]: Analyzing trace with hash 118158715, now seen corresponding path program 1 times [2022-10-19 20:25:57,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-19 20:25:57,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766523941] [2022-10-19 20:25:57,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-19 20:25:57,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-19 20:25:57,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-19 20:25:57,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-19 20:25:57,719 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-19 20:25:57,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766523941] [2022-10-19 20:25:57,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766523941] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-19 20:25:57,720 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-19 20:25:57,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-19 20:25:57,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278509546] [2022-10-19 20:25:57,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-19 20:25:57,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-19 20:25:57,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-19 20:25:57,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-19 20:25:57,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-19 20:25:57,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:57,722 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-19 20:25:57,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 54.666666666666664) internal successors, (328), 6 states have internal predecessors, (328), 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) [2022-10-19 20:25:57,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:57,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:57,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-19 20:25:57,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:57,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:57,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:57,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:57,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-19 20:25:57,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:57,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:57,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-19 20:25:57,790 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-19 20:25:57,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-19 20:25:57,790 INFO L85 PathProgramCache]: Analyzing trace with hash -2077362661, now seen corresponding path program 1 times [2022-10-19 20:25:57,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-19 20:25:57,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116813621] [2022-10-19 20:25:57,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-19 20:25:57,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-19 20:25:57,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-19 20:25:58,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-19 20:25:58,086 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-19 20:25:58,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116813621] [2022-10-19 20:25:58,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116813621] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-19 20:25:58,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-19 20:25:58,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-19 20:25:58,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415934793] [2022-10-19 20:25:58,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-19 20:25:58,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-19 20:25:58,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-19 20:25:58,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-19 20:25:58,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-10-19 20:25:58,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:58,088 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-19 20:25:58,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 38.333333333333336) internal successors, (345), 10 states have internal predecessors, (345), 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) [2022-10-19 20:25:58,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:58,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:58,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-19 20:25:58,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:58,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:58,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:58,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:58,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:58,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-19 20:25:58,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:58,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:58,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-19 20:25:58,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-19 20:25:58,337 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-19 20:25:58,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-19 20:25:58,337 INFO L85 PathProgramCache]: Analyzing trace with hash -948651505, now seen corresponding path program 1 times [2022-10-19 20:25:58,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-19 20:25:58,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939282552] [2022-10-19 20:25:58,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-19 20:25:58,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-19 20:25:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-19 20:25:58,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-19 20:25:58,633 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-19 20:25:58,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939282552] [2022-10-19 20:25:58,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939282552] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-19 20:25:58,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-19 20:25:58,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-19 20:25:58,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788585013] [2022-10-19 20:25:58,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-19 20:25:58,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-19 20:25:58,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-19 20:25:58,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-19 20:25:58,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-19 20:25:58,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:58,635 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-19 20:25:58,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 71.16666666666667) internal successors, (427), 6 states have internal predecessors, (427), 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) [2022-10-19 20:25:58,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:58,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:58,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-19 20:25:58,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:58,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:58,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-19 20:25:58,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:58,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:58,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:58,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-19 20:25:58,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:58,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:58,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-19 20:25:58,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-19 20:25:58,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-19 20:25:58,743 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-19 20:25:58,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-19 20:25:58,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1886062700, now seen corresponding path program 1 times [2022-10-19 20:25:58,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-19 20:25:58,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164290447] [2022-10-19 20:25:58,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-19 20:25:58,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-19 20:25:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-19 20:25:58,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-19 20:25:58,920 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-19 20:25:58,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164290447] [2022-10-19 20:25:58,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164290447] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-19 20:25:58,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-19 20:25:58,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-19 20:25:58,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375208559] [2022-10-19 20:25:58,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-19 20:25:58,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-19 20:25:58,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-19 20:25:58,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-19 20:25:58,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-19 20:25:58,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:58,922 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-19 20:25:58,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 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) [2022-10-19 20:25:58,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:58,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:58,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-19 20:25:58,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:58,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:58,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-19 20:25:58,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-19 20:25:58,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:58,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:58,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:58,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-19 20:25:58,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:58,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:58,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-19 20:25:58,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-19 20:25:58,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-19 20:25:58,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-19 20:25:58,948 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-19 20:25:58,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-19 20:25:58,948 INFO L85 PathProgramCache]: Analyzing trace with hash 900637154, now seen corresponding path program 1 times [2022-10-19 20:25:58,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-19 20:25:58,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111658373] [2022-10-19 20:25:58,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-19 20:25:58,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-19 20:25:58,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-19 20:25:59,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-19 20:25:59,110 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-19 20:25:59,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111658373] [2022-10-19 20:25:59,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111658373] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-19 20:25:59,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-19 20:25:59,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-19 20:25:59,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008710426] [2022-10-19 20:25:59,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-19 20:25:59,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-19 20:25:59,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-19 20:25:59,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-19 20:25:59,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-19 20:25:59,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:59,114 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-19 20:25:59,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 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) [2022-10-19 20:25:59,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:59,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:59,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-19 20:25:59,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:59,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:59,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-19 20:25:59,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-19 20:25:59,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-19 20:25:59,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:59,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:59,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:59,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-19 20:25:59,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:59,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:59,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-19 20:25:59,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-19 20:25:59,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-19 20:25:59,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-19 20:25:59,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-19 20:25:59,134 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-19 20:25:59,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-19 20:25:59,134 INFO L85 PathProgramCache]: Analyzing trace with hash -309958401, now seen corresponding path program 1 times [2022-10-19 20:25:59,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-19 20:25:59,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827860803] [2022-10-19 20:25:59,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-19 20:25:59,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-19 20:25:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-19 20:25:59,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-19 20:25:59,245 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-19 20:25:59,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827860803] [2022-10-19 20:25:59,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827860803] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-19 20:25:59,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-19 20:25:59,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-19 20:25:59,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448838596] [2022-10-19 20:25:59,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-19 20:25:59,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-19 20:25:59,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-19 20:25:59,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-19 20:25:59,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-19 20:25:59,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:59,247 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-19 20:25:59,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 106.25) internal successors, (425), 4 states have internal predecessors, (425), 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) [2022-10-19 20:25:59,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:59,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:59,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-19 20:25:59,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:59,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:59,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-19 20:25:59,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-19 20:25:59,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-19 20:25:59,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-19 20:25:59,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:59,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:59,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:59,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-19 20:25:59,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:59,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:59,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-19 20:25:59,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-19 20:25:59,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-19 20:25:59,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-19 20:25:59,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-19 20:25:59,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-19 20:25:59,324 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-19 20:25:59,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-19 20:25:59,325 INFO L85 PathProgramCache]: Analyzing trace with hash 613513445, now seen corresponding path program 1 times [2022-10-19 20:25:59,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-19 20:25:59,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989108079] [2022-10-19 20:25:59,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-19 20:25:59,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-19 20:25:59,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-19 20:25:59,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-19 20:25:59,552 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-19 20:25:59,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989108079] [2022-10-19 20:25:59,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989108079] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-19 20:25:59,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-19 20:25:59,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-19 20:25:59,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835908172] [2022-10-19 20:25:59,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-19 20:25:59,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-19 20:25:59,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-19 20:25:59,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-19 20:25:59,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-19 20:25:59,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:59,554 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-19 20:25:59,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 60.714285714285715) internal successors, (425), 7 states have internal predecessors, (425), 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) [2022-10-19 20:25:59,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:59,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:59,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-19 20:25:59,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:59,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:59,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-19 20:25:59,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-19 20:25:59,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-19 20:25:59,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-19 20:25:59,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-19 20:25:59,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:59,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:59,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:59,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-19 20:25:59,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:59,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:59,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-19 20:25:59,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-19 20:25:59,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-19 20:25:59,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-19 20:25:59,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-19 20:25:59,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:59,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-19 20:25:59,653 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-19 20:25:59,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-19 20:25:59,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1032210144, now seen corresponding path program 1 times [2022-10-19 20:25:59,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-19 20:25:59,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129248692] [2022-10-19 20:25:59,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-19 20:25:59,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-19 20:25:59,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-19 20:25:59,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-19 20:25:59,859 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-19 20:25:59,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129248692] [2022-10-19 20:25:59,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129248692] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-19 20:25:59,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-19 20:25:59,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-19 20:25:59,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703630784] [2022-10-19 20:25:59,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-19 20:25:59,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-19 20:25:59,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-19 20:25:59,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-19 20:25:59,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-10-19 20:25:59,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:59,861 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-19 20:25:59,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 53.125) internal successors, (425), 8 states have internal predecessors, (425), 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) [2022-10-19 20:25:59,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 20:25:59,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:59,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-19 20:25:59,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:59,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:59,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-19 20:25:59,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-19 20:25:59,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-19 20:25:59,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-19 20:25:59,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-19 20:25:59,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-19 20:25:59,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.