/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/safe014_rmo.opt.line711.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-10-04 07:39:21,073 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-04 07:39:21,075 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-04 07:39:21,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-04 07:39:21,096 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-04 07:39:21,098 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-04 07:39:21,099 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-04 07:39:21,100 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-04 07:39:21,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-04 07:39:21,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-04 07:39:21,102 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-04 07:39:21,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-04 07:39:21,103 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-04 07:39:21,103 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-04 07:39:21,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-04 07:39:21,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-04 07:39:21,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-04 07:39:21,106 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-04 07:39:21,107 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-04 07:39:21,108 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-04 07:39:21,109 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-04 07:39:21,124 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-04 07:39:21,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-04 07:39:21,126 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-04 07:39:21,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-04 07:39:21,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-04 07:39:21,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-04 07:39:21,129 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-04 07:39:21,129 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-04 07:39:21,130 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-04 07:39:21,130 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-04 07:39:21,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-04 07:39:21,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-04 07:39:21,131 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-04 07:39:21,132 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-04 07:39:21,132 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-04 07:39:21,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-04 07:39:21,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-04 07:39:21,133 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-04 07:39:21,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-04 07:39:21,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-04 07:39:21,142 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-04 07:39:21,162 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-04 07:39:21,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-04 07:39:21,162 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-04 07:39:21,163 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-04 07:39:21,163 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-04 07:39:21,164 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-04 07:39:21,164 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-04 07:39:21,164 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-04 07:39:21,164 INFO L138 SettingsManager]: * Use SBE=true [2022-10-04 07:39:21,164 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-04 07:39:21,165 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-04 07:39:21,165 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-04 07:39:21,165 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-04 07:39:21,165 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-04 07:39:21,166 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-04 07:39:21,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-04 07:39:21,166 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-04 07:39:21,166 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-04 07:39:21,166 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-04 07:39:21,166 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-04 07:39:21,166 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-04 07:39:21,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-04 07:39:21,166 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-04 07:39:21,167 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-04 07:39:21,167 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-04 07:39:21,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-04 07:39:21,167 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-04 07:39:21,167 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-04 07:39:21,167 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-04 07:39:21,167 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-04 07:39:21,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-04 07:39:21,167 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-04 07:39:21,167 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-04 07:39:21,168 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-04 07:39:21,168 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-04 07:39:21,168 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-04 07:39:21,168 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-04 07:39:21,168 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-04 07:39:21,168 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-04 07:39:21,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-04 07:39:21,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-04 07:39:21,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-04 07:39:21,400 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-04 07:39:21,402 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-04 07:39:21,404 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/safe014_rmo.opt.line711.bpl [2022-10-04 07:39:21,404 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/safe014_rmo.opt.line711.bpl' [2022-10-04 07:39:21,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-04 07:39:21,456 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-10-04 07:39:21,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-04 07:39:21,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-04 07:39:21,457 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-04 07:39:21,469 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "safe014_rmo.opt.line711.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 07:39:21" (1/1) ... [2022-10-04 07:39:21,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "safe014_rmo.opt.line711.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 07:39:21" (1/1) ... [2022-10-04 07:39:21,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "safe014_rmo.opt.line711.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 07:39:21" (1/1) ... [2022-10-04 07:39:21,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "safe014_rmo.opt.line711.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 07:39:21" (1/1) ... [2022-10-04 07:39:21,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "safe014_rmo.opt.line711.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 07:39:21" (1/1) ... [2022-10-04 07:39:21,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "safe014_rmo.opt.line711.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 07:39:21" (1/1) ... [2022-10-04 07:39:21,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "safe014_rmo.opt.line711.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 07:39:21" (1/1) ... [2022-10-04 07:39:21,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-04 07:39:21,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-04 07:39:21,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-04 07:39:21,558 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-04 07:39:21,565 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "safe014_rmo.opt.line711.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 07:39:21" (1/1) ... [2022-10-04 07:39:21,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-04 07:39:21,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 07:39:21,596 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) [2022-10-04 07:39:21,608 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 [2022-10-04 07:39:21,626 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-10-04 07:39:21,627 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-10-04 07:39:21,627 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-10-04 07:39:21,627 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-10-04 07:39:21,627 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-10-04 07:39:21,627 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-10-04 07:39:21,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-04 07:39:21,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-04 07:39:21,628 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-04 07:39:21,917 INFO L234 CfgBuilder]: Building ICFG [2022-10-04 07:39:21,919 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-04 07:39:22,669 INFO L275 CfgBuilder]: Performing block encoding [2022-10-04 07:39:22,683 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-04 07:39:22,683 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-04 07:39:22,686 INFO L202 PluginConnector]: Adding new model safe014_rmo.opt.line711.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 07:39:22 BoogieIcfgContainer [2022-10-04 07:39:22,686 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-04 07:39:22,688 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-04 07:39:22,689 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-04 07:39:22,701 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-04 07:39:22,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "safe014_rmo.opt.line711.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 07:39:21" (1/2) ... [2022-10-04 07:39:22,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1410ef71 and model type safe014_rmo.opt.line711.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.10 07:39:22, skipping insertion in model container [2022-10-04 07:39:22,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "safe014_rmo.opt.line711.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 07:39:22" (2/2) ... [2022-10-04 07:39:22,706 INFO L112 eAbstractionObserver]: Analyzing ICFG safe014_rmo.opt.line711.bpl [2022-10-04 07:39:22,715 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-04 07:39:22,721 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-04 07:39:22,722 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-04 07:39:22,722 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-04 07:39:22,865 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-10-04 07:39:22,922 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-04 07:39:22,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-04 07:39:22,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 07:39:22,924 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) [2022-10-04 07:39:22,968 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 [2022-10-04 07:39:22,982 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-04 07:39:22,990 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Err0ASSERT_VIOLATIONASSERT ======== [2022-10-04 07:39:22,998 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;@381288e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-04 07:39:22,998 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-04 07:39:23,000 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-10-04 07:39:23,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-04 07:39:23,007 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-04 07:39:23,016 INFO L307 ceAbstractionStarter]: Result for error location P2Err0ASSERT_VIOLATIONASSERT was SAFE (1/5) [2022-10-04 07:39:23,051 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-04 07:39:23,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-04 07:39:23,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 07:39:23,068 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) [2022-10-04 07:39:23,070 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 [2022-10-04 07:39:23,074 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-04 07:39:23,074 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-04 07:39:23,075 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;@381288e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-04 07:39:23,075 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-04 07:39:39,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-04 07:39:39,661 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-04 07:39:39,661 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/5) [2022-10-04 07:39:39,670 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-04 07:39:39,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-04 07:39:39,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 07:39:39,701 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) [2022-10-04 07:39:39,703 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 [2022-10-04 07:39:39,710 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-04 07:39:39,711 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-04 07:39:39,711 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;@381288e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-04 07:39:39,712 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-04 07:39:40,107 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-04 07:39:40,109 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-04 07:39:40,110 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (3/5) [2022-10-04 07:39:40,120 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-04 07:39:40,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-04 07:39:40,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 07:39:40,122 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) [2022-10-04 07:39:40,124 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 [2022-10-04 07:39:40,141 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-04 07:39:40,141 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-04 07:39:40,142 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;@381288e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-04 07:39:40,142 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-04 07:39:40,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-04 07:39:40,145 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-04 07:39:40,146 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (4/5) [2022-10-04 07:39:40,151 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-04 07:39:40,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-04 07:39:40,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 07:39:40,153 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) [2022-10-04 07:39:40,154 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 [2022-10-04 07:39:40,161 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-04 07:39:40,161 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Err0ASSERT_VIOLATIONASSERT ======== [2022-10-04 07:39:40,162 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;@381288e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-04 07:39:40,162 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-04 07:39:40,242 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 07:39:40,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 07:39:40,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1473336170, now seen corresponding path program 1 times [2022-10-04 07:39:40,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 07:39:40,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832758958] [2022-10-04 07:39:40,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 07:39:40,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 07:39:40,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 07:39:41,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-04 07:39:41,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 07:39:41,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832758958] [2022-10-04 07:39:41,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832758958] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 07:39:41,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 07:39:41,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-04 07:39:41,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394956143] [2022-10-04 07:39:41,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 07:39:41,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-04 07:39:41,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 07:39:41,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-04 07:39:41,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-04 07:39:41,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 07:39:41,065 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 07:39:41,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 89.25) internal successors, (357), 4 states have internal predecessors, (357), 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) [2022-10-04 07:39:41,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 07:39:41,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:41,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-04 07:39:41,160 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 07:39:41,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 07:39:41,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1143324409, now seen corresponding path program 1 times [2022-10-04 07:39:41,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 07:39:41,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813812758] [2022-10-04 07:39:41,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 07:39:41,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 07:39:41,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 07:39:41,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-04 07:39:41,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 07:39:41,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813812758] [2022-10-04 07:39:41,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813812758] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 07:39:41,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 07:39:41,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-04 07:39:41,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021842918] [2022-10-04 07:39:41,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 07:39:41,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-04 07:39:41,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 07:39:41,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-04 07:39:41,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-04 07:39:41,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 07:39:41,349 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 07:39:41,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 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) [2022-10-04 07:39:41,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:41,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 07:39:41,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:41,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 07:39:41,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-04 07:39:41,397 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 07:39:41,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 07:39:41,398 INFO L85 PathProgramCache]: Analyzing trace with hash 273038041, now seen corresponding path program 1 times [2022-10-04 07:39:41,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 07:39:41,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432620504] [2022-10-04 07:39:41,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 07:39:41,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 07:39:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 07:39:41,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-04 07:39:41,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 07:39:41,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432620504] [2022-10-04 07:39:41,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432620504] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 07:39:41,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 07:39:41,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-04 07:39:41,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327711231] [2022-10-04 07:39:41,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 07:39:41,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-04 07:39:41,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 07:39:41,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-04 07:39:41,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-04 07:39:41,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 07:39:41,584 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 07:39:41,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 89.75) internal successors, (359), 4 states have internal predecessors, (359), 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) [2022-10-04 07:39:41,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:41,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 07:39:41,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 07:39:41,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:41,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 07:39:41,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:41,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-04 07:39:41,628 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 07:39:41,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 07:39:41,628 INFO L85 PathProgramCache]: Analyzing trace with hash 2089867569, now seen corresponding path program 1 times [2022-10-04 07:39:41,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 07:39:41,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560277034] [2022-10-04 07:39:41,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 07:39:41,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 07:39:41,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 07:39:41,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-04 07:39:41,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 07:39:41,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560277034] [2022-10-04 07:39:41,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560277034] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 07:39:41,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 07:39:41,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-04 07:39:41,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219892916] [2022-10-04 07:39:41,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 07:39:41,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-04 07:39:41,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 07:39:41,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-04 07:39:41,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-04 07:39:41,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 07:39:41,772 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 07:39:41,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 91.75) internal successors, (367), 4 states have internal predecessors, (367), 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) [2022-10-04 07:39:41,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:41,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 07:39:41,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:41,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 07:39:41,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:41,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 07:39:41,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:41,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:41,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-04 07:39:41,846 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 07:39:41,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 07:39:41,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1151063971, now seen corresponding path program 1 times [2022-10-04 07:39:41,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 07:39:41,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719409002] [2022-10-04 07:39:41,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 07:39:41,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 07:39:41,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 07:39:42,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-04 07:39:42,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 07:39:42,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719409002] [2022-10-04 07:39:42,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719409002] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 07:39:42,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 07:39:42,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-04 07:39:42,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741650195] [2022-10-04 07:39:42,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 07:39:42,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-04 07:39:42,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 07:39:42,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-04 07:39:42,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-04 07:39:42,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 07:39:42,059 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 07:39:42,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 58.333333333333336) internal successors, (350), 6 states have internal predecessors, (350), 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) [2022-10-04 07:39:42,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:42,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 07:39:42,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:42,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:42,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 07:39:42,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:42,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 07:39:42,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:42,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:42,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-04 07:39:42,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-04 07:39:42,192 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 07:39:42,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 07:39:42,193 INFO L85 PathProgramCache]: Analyzing trace with hash 173040913, now seen corresponding path program 1 times [2022-10-04 07:39:42,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 07:39:42,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917471871] [2022-10-04 07:39:42,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 07:39:42,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 07:39:42,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 07:39:42,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-04 07:39:42,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 07:39:42,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917471871] [2022-10-04 07:39:42,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917471871] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 07:39:42,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 07:39:42,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-04 07:39:42,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513703135] [2022-10-04 07:39:42,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 07:39:42,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-04 07:39:42,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 07:39:42,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-04 07:39:42,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-04 07:39:42,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 07:39:42,470 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 07:39:42,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 73.4) internal successors, (367), 5 states have internal predecessors, (367), 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) [2022-10-04 07:39:42,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:42,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 07:39:42,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:42,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:42,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-04 07:39:42,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 07:39:42,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:42,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 07:39:42,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:42,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:42,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-04 07:39:42,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:42,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-04 07:39:42,542 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 07:39:42,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 07:39:42,546 INFO L85 PathProgramCache]: Analyzing trace with hash -892743439, now seen corresponding path program 1 times [2022-10-04 07:39:42,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 07:39:42,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392994273] [2022-10-04 07:39:42,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 07:39:42,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 07:39:42,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 07:39:42,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-04 07:39:42,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 07:39:42,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392994273] [2022-10-04 07:39:42,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392994273] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 07:39:42,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 07:39:42,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-04 07:39:42,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864899390] [2022-10-04 07:39:42,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 07:39:42,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-04 07:39:42,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 07:39:42,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-04 07:39:42,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-10-04 07:39:42,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 07:39:42,882 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 07:39:42,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 52.42857142857143) internal successors, (367), 8 states have internal predecessors, (367), 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) [2022-10-04 07:39:42,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:42,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 07:39:42,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:42,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:42,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-04 07:39:42,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:42,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 07:39:43,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:43,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 07:39:43,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:43,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:43,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-04 07:39:43,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:43,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-04 07:39:43,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-04 07:39:43,142 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 07:39:43,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 07:39:43,142 INFO L85 PathProgramCache]: Analyzing trace with hash -896805962, now seen corresponding path program 1 times [2022-10-04 07:39:43,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 07:39:43,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455759063] [2022-10-04 07:39:43,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 07:39:43,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 07:39:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 07:39:43,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-04 07:39:43,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 07:39:43,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455759063] [2022-10-04 07:39:43,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455759063] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 07:39:43,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 07:39:43,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-04 07:39:43,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761660903] [2022-10-04 07:39:43,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 07:39:43,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-04 07:39:43,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 07:39:43,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-04 07:39:43,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-04 07:39:43,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 07:39:43,440 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 07:39:43,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 77.57142857142857) internal successors, (543), 7 states have internal predecessors, (543), 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) [2022-10-04 07:39:43,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:43,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 07:39:43,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:43,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:43,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-04 07:39:43,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:43,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-04 07:39:43,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 07:39:43,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:43,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 07:39:43,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:43,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:43,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-04 07:39:43,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:43,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-04 07:39:43,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-04 07:39:43,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-04 07:39:43,542 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 07:39:43,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 07:39:43,542 INFO L85 PathProgramCache]: Analyzing trace with hash 285376597, now seen corresponding path program 1 times [2022-10-04 07:39:43,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 07:39:43,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358431922] [2022-10-04 07:39:43,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 07:39:43,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 07:39:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 07:39:43,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-04 07:39:43,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 07:39:43,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358431922] [2022-10-04 07:39:43,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358431922] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 07:39:43,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 07:39:43,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-04 07:39:43,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100776688] [2022-10-04 07:39:43,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 07:39:43,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-04 07:39:43,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 07:39:43,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-04 07:39:43,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-04 07:39:43,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 07:39:43,807 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 07:39:43,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 107.0) internal successors, (535), 5 states have internal predecessors, (535), 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) [2022-10-04 07:39:43,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:43,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 07:39:43,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:43,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:43,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-04 07:39:43,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:43,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-04 07:39:43,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-04 07:39:43,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 07:39:43,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:43,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 07:39:43,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:43,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:43,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-04 07:39:43,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:43,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-04 07:39:43,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-04 07:39:43,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:43,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-04 07:39:43,917 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 07:39:43,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 07:39:43,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1410661792, now seen corresponding path program 1 times [2022-10-04 07:39:43,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 07:39:43,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468533685] [2022-10-04 07:39:43,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 07:39:43,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 07:39:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 07:39:44,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-04 07:39:44,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 07:39:44,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468533685] [2022-10-04 07:39:44,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468533685] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 07:39:44,160 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 07:39:44,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-04 07:39:44,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792643243] [2022-10-04 07:39:44,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 07:39:44,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-04 07:39:44,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 07:39:44,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-04 07:39:44,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-04 07:39:44,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 07:39:44,162 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 07:39:44,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 181.0) internal successors, (543), 3 states have internal predecessors, (543), 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) [2022-10-04 07:39:44,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:44,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 07:39:44,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:44,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:44,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-04 07:39:44,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:44,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-04 07:39:44,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-04 07:39:44,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:44,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 07:39:44,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:44,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 07:39:44,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:44,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:44,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-04 07:39:44,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:44,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-04 07:39:44,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-04 07:39:44,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:44,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 07:39:44,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-04 07:39:44,227 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 07:39:44,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 07:39:44,227 INFO L85 PathProgramCache]: Analyzing trace with hash -366104665, now seen corresponding path program 1 times [2022-10-04 07:39:44,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 07:39:44,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192414515] [2022-10-04 07:39:44,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 07:39:44,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 07:39:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 07:39:44,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-04 07:39:44,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 07:39:44,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192414515] [2022-10-04 07:39:44,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192414515] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 07:39:44,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 07:39:44,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-04 07:39:44,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711166279] [2022-10-04 07:39:44,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 07:39:44,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-04 07:39:44,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 07:39:44,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-04 07:39:44,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-04 07:39:44,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 07:39:44,474 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 07:39:44,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 181.0) internal successors, (543), 3 states have internal predecessors, (543), 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) [2022-10-04 07:39:44,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:44,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 07:39:44,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:44,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:44,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-04 07:39:44,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:44,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-04 07:39:44,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-04 07:39:44,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:44,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 07:39:44,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 07:39:44,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:44,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 07:39:44,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:44,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:44,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-04 07:39:44,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:44,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-04 07:39:44,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-04 07:39:44,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:44,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 07:39:44,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 07:39:44,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-04 07:39:44,499 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 07:39:44,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 07:39:44,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1996575010, now seen corresponding path program 1 times [2022-10-04 07:39:44,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 07:39:44,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463927334] [2022-10-04 07:39:44,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 07:39:44,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 07:39:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 07:39:44,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-04 07:39:44,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 07:39:44,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463927334] [2022-10-04 07:39:44,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463927334] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 07:39:44,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 07:39:44,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-04 07:39:44,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363706181] [2022-10-04 07:39:44,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 07:39:44,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-04 07:39:44,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 07:39:44,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-04 07:39:44,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-04 07:39:44,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 07:39:44,647 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 07:39:44,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 90.16666666666667) internal successors, (541), 6 states have internal predecessors, (541), 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) [2022-10-04 07:39:44,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:44,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 07:39:44,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:44,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:44,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-04 07:39:44,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:44,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-04 07:39:44,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-04 07:39:44,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:44,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 07:39:44,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 07:39:44,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 07:39:44,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:44,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 07:39:44,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:44,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:44,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-04 07:39:44,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:44,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-04 07:39:44,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-04 07:39:44,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:44,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 07:39:44,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 07:39:44,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:44,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-04 07:39:44,748 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 07:39:44,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 07:39:44,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1654523334, now seen corresponding path program 1 times [2022-10-04 07:39:44,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 07:39:44,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825663287] [2022-10-04 07:39:44,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 07:39:44,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 07:39:44,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 07:39:44,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-04 07:39:44,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 07:39:44,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825663287] [2022-10-04 07:39:44,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825663287] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 07:39:44,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 07:39:44,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-04 07:39:44,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863349360] [2022-10-04 07:39:44,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 07:39:44,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-04 07:39:44,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 07:39:44,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-04 07:39:44,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-04 07:39:44,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 07:39:44,904 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 07:39:44,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 89.16666666666667) internal successors, (535), 6 states have internal predecessors, (535), 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) [2022-10-04 07:39:44,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:44,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 07:39:44,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:44,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:44,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-04 07:39:44,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:44,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-04 07:39:44,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-04 07:39:44,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:44,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 07:39:44,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 07:39:44,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:44,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 07:39:45,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:45,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 07:39:45,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:45,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:45,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-04 07:39:45,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:45,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-04 07:39:45,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-04 07:39:45,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:45,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 07:39:45,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 07:39:45,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:45,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-04 07:39:45,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-04 07:39:45,003 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 07:39:45,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 07:39:45,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1326147285, now seen corresponding path program 1 times [2022-10-04 07:39:45,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 07:39:45,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105599219] [2022-10-04 07:39:45,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 07:39:45,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 07:39:45,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 07:39:45,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-04 07:39:45,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 07:39:45,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105599219] [2022-10-04 07:39:45,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105599219] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 07:39:45,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 07:39:45,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-04 07:39:45,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040379336] [2022-10-04 07:39:45,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 07:39:45,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-04 07:39:45,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 07:39:45,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-04 07:39:45,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-10-04 07:39:45,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 07:39:45,211 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 07:39:45,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 67.625) internal successors, (541), 8 states have internal predecessors, (541), 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) [2022-10-04 07:39:45,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:45,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 07:39:45,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 07:39:45,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:45,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-04 07:39:45,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:45,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-04 07:39:45,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-04 07:39:45,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:45,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 07:39:45,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 07:39:45,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 07:39:45,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-04 07:39:45,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.