/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/thin002_power.opt.line907.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-10-04 15:01:56,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-04 15:01:56,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-04 15:01:56,501 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-04 15:01:56,501 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-04 15:01:56,503 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-04 15:01:56,505 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-04 15:01:56,507 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-04 15:01:56,509 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-04 15:01:56,514 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-04 15:01:56,514 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-04 15:01:56,516 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-04 15:01:56,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-04 15:01:56,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-04 15:01:56,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-04 15:01:56,520 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-04 15:01:56,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-04 15:01:56,521 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-04 15:01:56,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-04 15:01:56,527 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-04 15:01:56,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-04 15:01:56,529 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-04 15:01:56,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-04 15:01:56,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-04 15:01:56,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-04 15:01:56,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-04 15:01:56,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-04 15:01:56,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-04 15:01:56,545 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-04 15:01:56,569 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-04 15:01:56,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-04 15:01:56,569 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-04 15:01:56,569 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-04 15:01:56,570 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-04 15:01:56,570 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-04 15:01:56,571 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-04 15:01:56,571 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-04 15:01:56,571 INFO L138 SettingsManager]: * Use SBE=true [2022-10-04 15:01:56,571 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-04 15:01:56,572 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-04 15:01:56,572 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-04 15:01:56,572 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-04 15:01:56,572 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-04 15:01:56,572 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-04 15:01:56,572 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-04 15:01:56,572 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-04 15:01:56,572 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-04 15:01:56,572 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-04 15:01:56,573 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-04 15:01:56,573 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-04 15:01:56,573 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-04 15:01:56,573 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-04 15:01:56,573 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-04 15:01:56,573 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-04 15:01:56,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-04 15:01:56,573 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-04 15:01:56,573 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-04 15:01:56,574 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-04 15:01:56,574 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-04 15:01:56,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-04 15:01:56,574 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-04 15:01:56,574 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-04 15:01:56,574 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-04 15:01:56,574 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-04 15:01:56,574 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-04 15:01:56,574 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-04 15:01:56,575 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-04 15:01:56,575 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-04 15:01:56,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-04 15:01:56,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-04 15:01:56,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-04 15:01:56,763 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-04 15:01:56,765 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-04 15:01:56,766 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/thin002_power.opt.line907.bpl [2022-10-04 15:01:56,766 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/thin002_power.opt.line907.bpl' [2022-10-04 15:01:56,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-04 15:01:56,829 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-10-04 15:01:56,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-04 15:01:56,832 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-04 15:01:56,832 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-04 15:01:56,843 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "thin002_power.opt.line907.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 03:01:56" (1/1) ... [2022-10-04 15:01:56,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "thin002_power.opt.line907.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 03:01:56" (1/1) ... [2022-10-04 15:01:56,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "thin002_power.opt.line907.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 03:01:56" (1/1) ... [2022-10-04 15:01:56,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "thin002_power.opt.line907.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 03:01:56" (1/1) ... [2022-10-04 15:01:56,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "thin002_power.opt.line907.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 03:01:56" (1/1) ... [2022-10-04 15:01:56,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "thin002_power.opt.line907.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 03:01:56" (1/1) ... [2022-10-04 15:01:56,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "thin002_power.opt.line907.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 03:01:56" (1/1) ... [2022-10-04 15:01:56,914 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-04 15:01:56,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-04 15:01:56,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-04 15:01:56,916 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-04 15:01:56,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "thin002_power.opt.line907.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 03:01:56" (1/1) ... [2022-10-04 15:01:56,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-04 15:01:56,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 15:01:56,953 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 15:01:56,956 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 15:01:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-10-04 15:01:56,986 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-10-04 15:01:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-10-04 15:01:56,986 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-10-04 15:01:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-10-04 15:01:56,986 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-10-04 15:01:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-10-04 15:01:56,986 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-10-04 15:01:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-04 15:01:56,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-04 15:01:56,989 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 15:01:57,164 INFO L234 CfgBuilder]: Building ICFG [2022-10-04 15:01:57,165 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-04 15:01:57,891 INFO L275 CfgBuilder]: Performing block encoding [2022-10-04 15:01:57,914 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-04 15:01:57,914 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-04 15:01:57,917 INFO L202 PluginConnector]: Adding new model thin002_power.opt.line907.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 03:01:57 BoogieIcfgContainer [2022-10-04 15:01:57,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-04 15:01:57,919 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-04 15:01:57,919 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-04 15:01:57,945 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-04 15:01:57,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "thin002_power.opt.line907.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 03:01:56" (1/2) ... [2022-10-04 15:01:57,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55e2b06d and model type thin002_power.opt.line907.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.10 03:01:57, skipping insertion in model container [2022-10-04 15:01:57,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "thin002_power.opt.line907.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 03:01:57" (2/2) ... [2022-10-04 15:01:57,949 INFO L112 eAbstractionObserver]: Analyzing ICFG thin002_power.opt.line907.bpl [2022-10-04 15:01:57,954 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-04 15:01:57,962 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-04 15:01:57,962 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-04 15:01:57,963 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-04 15:01:58,142 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-10-04 15:01:58,205 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-04 15:01:58,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-04 15:01:58,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 15:01:58,208 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 15:01:58,211 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 15:01:58,237 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-04 15:01:58,243 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P3Err0ASSERT_VIOLATIONASSERT ======== [2022-10-04 15:01:58,248 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;@5d7282c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-04 15:01:58,248 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-04 15:01:58,250 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-10-04 15:01:58,252 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-04 15:01:58,255 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-04 15:01:58,257 INFO L307 ceAbstractionStarter]: Result for error location P3Err0ASSERT_VIOLATIONASSERT was SAFE (1/6) [2022-10-04 15:01:58,266 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-04 15:01:58,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-04 15:01:58,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 15:01:58,268 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 15:01:58,290 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 15:01:58,293 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-04 15:01:58,298 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-04 15:01:58,299 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;@5d7282c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-04 15:01:58,299 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-04 15:01:58,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-04 15:01:58,333 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-04 15:01:58,334 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/6) [2022-10-04 15:01:58,340 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-04 15:01:58,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-04 15:01:58,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 15:01:58,396 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 15:01:58,399 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 15:01:58,404 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-04 15:01:58,405 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-04 15:01:58,405 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;@5d7282c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-04 15:01:58,406 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-04 15:01:59,028 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-04 15:01:59,030 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-04 15:01:59,030 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (3/6) [2022-10-04 15:01:59,042 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-04 15:01:59,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-04 15:01:59,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 15:01:59,056 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 15:01:59,073 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-04 15:01:59,073 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-04 15:01:59,074 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;@5d7282c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-04 15:01:59,074 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-04 15:01:59,095 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 15:02:44,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-04 15:02:44,381 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-04 15:02:44,383 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (4/6) [2022-10-04 15:02:44,393 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-04 15:02:44,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-04 15:02:44,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 15:02:44,411 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 15:02:44,430 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-04 15:02:44,431 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-04 15:02:44,431 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;@5d7282c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-04 15:02:44,431 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-04 15:02:44,442 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 15:02:44,497 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-04 15:02:44,499 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-04 15:02:44,499 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (5/6) [2022-10-04 15:02:44,504 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-04 15:02:44,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-04 15:02:44,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 15:02:44,506 INFO L229 MonitoredProcess]: Starting monitored process 7 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 15:02:44,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Waiting until timeout for monitored process [2022-10-04 15:02:44,521 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-04 15:02:44,521 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P3Err0ASSERT_VIOLATIONASSERT ======== [2022-10-04 15:02:44,521 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;@5d7282c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-04 15:02:44,521 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-04 15:02:44,673 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P3Err0ASSERT_VIOLATIONASSERT === [P3Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 15:02:44,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 15:02:44,676 INFO L85 PathProgramCache]: Analyzing trace with hash -710675504, now seen corresponding path program 1 times [2022-10-04 15:02:44,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 15:02:44,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620916620] [2022-10-04 15:02:44,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 15:02:44,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 15:02:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 15:02:45,364 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 15:02:45,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 15:02:45,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620916620] [2022-10-04 15:02:45,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620916620] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 15:02:45,365 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 15:02:45,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-04 15:02:45,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792465966] [2022-10-04 15:02:45,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 15:02:45,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-04 15:02:45,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 15:02:45,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-04 15:02:45,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-04 15:02:45,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:45,397 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 15:02:45,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 218.5) internal successors, (437), 2 states have internal predecessors, (437), 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 15:02:45,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:45,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:45,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-04 15:02:45,464 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P3Err0ASSERT_VIOLATIONASSERT === [P3Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 15:02:45,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 15:02:45,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1496251900, now seen corresponding path program 1 times [2022-10-04 15:02:45,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 15:02:45,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843856820] [2022-10-04 15:02:45,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 15:02:45,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 15:02:45,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 15:02:45,806 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 15:02:45,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 15:02:45,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843856820] [2022-10-04 15:02:45,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843856820] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 15:02:45,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 15:02:45,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-04 15:02:45,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298984202] [2022-10-04 15:02:45,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 15:02:45,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-04 15:02:45,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 15:02:45,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-04 15:02:45,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-04 15:02:45,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:45,813 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 15:02:45,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 77.2) internal successors, (386), 5 states have internal predecessors, (386), 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 15:02:45,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:45,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:45,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:45,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 15:02:45,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-04 15:02:45,873 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P3Err0ASSERT_VIOLATIONASSERT === [P3Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 15:02:45,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 15:02:45,875 INFO L85 PathProgramCache]: Analyzing trace with hash 466510415, now seen corresponding path program 1 times [2022-10-04 15:02:45,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 15:02:45,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921575224] [2022-10-04 15:02:45,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 15:02:45,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 15:02:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 15:02:46,221 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 15:02:46,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 15:02:46,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921575224] [2022-10-04 15:02:46,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921575224] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 15:02:46,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 15:02:46,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-04 15:02:46,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146985327] [2022-10-04 15:02:46,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 15:02:46,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-04 15:02:46,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 15:02:46,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-04 15:02:46,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-04 15:02:46,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:46,224 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 15:02:46,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 63.333333333333336) internal successors, (380), 6 states have internal predecessors, (380), 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 15:02:46,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:46,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 15:02:46,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:46,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:46,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 15:02:46,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-04 15:02:46,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-04 15:02:46,302 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P3Err0ASSERT_VIOLATIONASSERT === [P3Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 15:02:46,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 15:02:46,302 INFO L85 PathProgramCache]: Analyzing trace with hash -968646532, now seen corresponding path program 1 times [2022-10-04 15:02:46,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 15:02:46,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485925251] [2022-10-04 15:02:46,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 15:02:46,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 15:02:46,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 15:02:46,443 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 15:02:46,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 15:02:46,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485925251] [2022-10-04 15:02:46,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485925251] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 15:02:46,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 15:02:46,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-04 15:02:46,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032670836] [2022-10-04 15:02:46,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 15:02:46,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-04 15:02:46,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 15:02:46,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-04 15:02:46,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-04 15:02:46,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:46,446 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 15:02:46,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 107.25) internal successors, (429), 4 states have internal predecessors, (429), 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 15:02:46,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:46,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 15:02:46,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-04 15:02:46,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:46,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:46,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 15:02:46,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-04 15:02:46,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 15:02:46,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-04 15:02:46,495 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err0ASSERT_VIOLATIONASSERT === [P3Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 15:02:46,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 15:02:46,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1228048815, now seen corresponding path program 1 times [2022-10-04 15:02:46,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 15:02:46,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944681072] [2022-10-04 15:02:46,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 15:02:46,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 15:02:46,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 15:02:46,637 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 15:02:46,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 15:02:46,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944681072] [2022-10-04 15:02:46,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944681072] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 15:02:46,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 15:02:46,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-04 15:02:46,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490673240] [2022-10-04 15:02:46,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 15:02:46,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-04 15:02:46,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 15:02:46,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-04 15:02:46,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-04 15:02:46,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:46,639 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 15:02:46,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 72.5) internal successors, (435), 6 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-04 15:02:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 15:02:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-04 15:02:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 15:02:46,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:46,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:46,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 15:02:46,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-04 15:02:46,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 15:02:46,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-04 15:02:46,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-04 15:02:46,770 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting P3Err0ASSERT_VIOLATIONASSERT === [P3Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 15:02:46,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 15:02:46,770 INFO L85 PathProgramCache]: Analyzing trace with hash 725922945, now seen corresponding path program 1 times [2022-10-04 15:02:46,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 15:02:46,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676657698] [2022-10-04 15:02:46,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 15:02:46,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 15:02:46,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 15:02:46,960 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 15:02:46,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 15:02:46,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676657698] [2022-10-04 15:02:46,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676657698] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 15:02:46,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 15:02:46,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-04 15:02:46,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515499945] [2022-10-04 15:02:46,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 15:02:46,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-04 15:02:46,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 15:02:46,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-04 15:02:46,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-04 15:02:46,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:46,963 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 15:02:46,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 112.75) internal successors, (451), 4 states have internal predecessors, (451), 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 15:02:46,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:46,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 15:02:46,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-04 15:02:46,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 15:02:46,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-04 15:02:46,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:47,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:47,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 15:02:47,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-04 15:02:47,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 15:02:47,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-04 15:02:47,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 15:02:47,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-04 15:02:47,001 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting P3Err0ASSERT_VIOLATIONASSERT === [P3Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 15:02:47,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 15:02:47,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1627098750, now seen corresponding path program 1 times [2022-10-04 15:02:47,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 15:02:47,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998737081] [2022-10-04 15:02:47,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 15:02:47,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 15:02:47,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 15:02:47,157 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 15:02:47,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 15:02:47,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998737081] [2022-10-04 15:02:47,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998737081] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 15:02:47,157 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 15:02:47,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-04 15:02:47,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810453771] [2022-10-04 15:02:47,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 15:02:47,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-04 15:02:47,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 15:02:47,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-04 15:02:47,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-04 15:02:47,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:47,159 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 15:02:47,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 114.75) internal successors, (459), 4 states have internal predecessors, (459), 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 15:02:47,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:47,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 15:02:47,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-04 15:02:47,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 15:02:47,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-04 15:02:47,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 15:02:47,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:47,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:47,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 15:02:47,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-04 15:02:47,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 15:02:47,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-04 15:02:47,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 15:02:47,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 15:02:47,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-04 15:02:47,201 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting P3Err0ASSERT_VIOLATIONASSERT === [P3Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 15:02:47,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 15:02:47,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1361406015, now seen corresponding path program 1 times [2022-10-04 15:02:47,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 15:02:47,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85645367] [2022-10-04 15:02:47,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 15:02:47,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 15:02:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 15:02:47,321 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 15:02:47,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 15:02:47,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85645367] [2022-10-04 15:02:47,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85645367] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 15:02:47,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 15:02:47,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-04 15:02:47,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687275094] [2022-10-04 15:02:47,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 15:02:47,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-04 15:02:47,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 15:02:47,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-04 15:02:47,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-04 15:02:47,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:47,323 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 15:02:47,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 92.2) internal successors, (461), 5 states have internal predecessors, (461), 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 15:02:47,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:47,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 15:02:47,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-04 15:02:47,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 15:02:47,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-04 15:02:47,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 15:02:47,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 15:02:47,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:47,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:47,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 15:02:47,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-04 15:02:47,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 15:02:47,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-04 15:02:47,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 15:02:47,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 15:02:47,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-04 15:02:47,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-04 15:02:47,375 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting P3Err0ASSERT_VIOLATIONASSERT === [P3Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 15:02:47,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 15:02:47,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1037898567, now seen corresponding path program 1 times [2022-10-04 15:02:47,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 15:02:47,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236546508] [2022-10-04 15:02:47,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 15:02:47,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 15:02:47,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 15:02:47,561 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 15:02:47,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 15:02:47,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236546508] [2022-10-04 15:02:47,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236546508] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 15:02:47,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 15:02:47,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-04 15:02:47,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101406952] [2022-10-04 15:02:47,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 15:02:47,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-04 15:02:47,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 15:02:47,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-04 15:02:47,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-04 15:02:47,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:47,564 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 15:02:47,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 78.16666666666667) internal successors, (469), 6 states have internal predecessors, (469), 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 15:02:47,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:47,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 15:02:47,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-04 15:02:47,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 15:02:47,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-04 15:02:47,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 15:02:47,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 15:02:47,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-04 15:02:47,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:47,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:47,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 15:02:47,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-04 15:02:47,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 15:02:47,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-04 15:02:47,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 15:02:47,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 15:02:47,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-04 15:02:47,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-04 15:02:47,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-04 15:02:47,637 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting P3Err0ASSERT_VIOLATIONASSERT === [P3Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 15:02:47,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 15:02:47,637 INFO L85 PathProgramCache]: Analyzing trace with hash -346637644, now seen corresponding path program 1 times [2022-10-04 15:02:47,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 15:02:47,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872701293] [2022-10-04 15:02:47,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 15:02:47,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 15:02:47,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 15:02:47,766 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 15:02:47,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 15:02:47,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872701293] [2022-10-04 15:02:47,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872701293] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 15:02:47,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 15:02:47,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-04 15:02:47,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042209965] [2022-10-04 15:02:47,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 15:02:47,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-04 15:02:47,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 15:02:47,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-04 15:02:47,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-04 15:02:47,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:47,769 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 15:02:47,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 72.83333333333333) internal successors, (437), 6 states have internal predecessors, (437), 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 15:02:47,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:47,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 15:02:47,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-04 15:02:47,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 15:02:47,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-04 15:02:47,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 15:02:47,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 15:02:47,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-04 15:02:47,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-04 15:02:47,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:47,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:47,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 15:02:47,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-04 15:02:47,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 15:02:47,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-04 15:02:47,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 15:02:47,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 15:02:47,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-04 15:02:47,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-04 15:02:47,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-04 15:02:47,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-04 15:02:47,835 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting P3Err0ASSERT_VIOLATIONASSERT === [P3Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 15:02:47,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 15:02:47,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1737654636, now seen corresponding path program 1 times [2022-10-04 15:02:47,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 15:02:47,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675324459] [2022-10-04 15:02:47,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 15:02:47,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 15:02:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 15:02:48,019 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 15:02:48,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 15:02:48,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675324459] [2022-10-04 15:02:48,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675324459] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 15:02:48,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 15:02:48,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-04 15:02:48,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341904313] [2022-10-04 15:02:48,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 15:02:48,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-04 15:02:48,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 15:02:48,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-04 15:02:48,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-04 15:02:48,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:48,023 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 15:02:48,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 72.83333333333333) internal successors, (437), 6 states have internal predecessors, (437), 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 15:02:48,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:48,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 15:02:48,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-04 15:02:48,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 15:02:48,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-04 15:02:48,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 15:02:48,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 15:02:48,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-04 15:02:48,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-04 15:02:48,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-04 15:02:48,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:48,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:48,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 15:02:48,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-04 15:02:48,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 15:02:48,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-04 15:02:48,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 15:02:48,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 15:02:48,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-04 15:02:48,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-04 15:02:48,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-04 15:02:48,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-04 15:02:48,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-04 15:02:48,090 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting P3Err0ASSERT_VIOLATIONASSERT === [P3Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 15:02:48,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 15:02:48,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1445506932, now seen corresponding path program 1 times [2022-10-04 15:02:48,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 15:02:48,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480321450] [2022-10-04 15:02:48,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 15:02:48,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 15:02:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 15:02:48,302 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 15:02:48,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 15:02:48,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480321450] [2022-10-04 15:02:48,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480321450] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 15:02:48,303 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 15:02:48,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-04 15:02:48,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105679074] [2022-10-04 15:02:48,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 15:02:48,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-04 15:02:48,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 15:02:48,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-04 15:02:48,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-04 15:02:48,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:48,304 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 15:02:48,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 63.57142857142857) internal successors, (445), 8 states have internal predecessors, (445), 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 15:02:48,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:48,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 15:02:48,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-04 15:02:48,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 15:02:48,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-04 15:02:48,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 15:02:48,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 15:02:48,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-04 15:02:48,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-04 15:02:48,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-04 15:02:48,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-04 15:02:48,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:48,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:48,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 15:02:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-04 15:02:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 15:02:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-04 15:02:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 15:02:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 15:02:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-04 15:02:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-04 15:02:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-04 15:02:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-04 15:02:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-04 15:02:48,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-04 15:02:48,584 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting P3Err0ASSERT_VIOLATIONASSERT === [P3Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 15:02:48,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 15:02:48,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1729742554, now seen corresponding path program 1 times [2022-10-04 15:02:48,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 15:02:48,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065989288] [2022-10-04 15:02:48,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 15:02:48,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 15:02:48,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 15:02:48,760 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 15:02:48,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 15:02:48,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065989288] [2022-10-04 15:02:48,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065989288] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 15:02:48,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 15:02:48,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-04 15:02:48,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865636312] [2022-10-04 15:02:48,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 15:02:48,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-04 15:02:48,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 15:02:48,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-04 15:02:48,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-04 15:02:48,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:48,762 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 15:02:48,763 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 15:02:48,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:48,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 15:02:48,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-04 15:02:48,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 15:02:48,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-04 15:02:48,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 15:02:48,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 15:02:48,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-04 15:02:48,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-04 15:02:48,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-04 15:02:48,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-04 15:02:48,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-04 15:02:48,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:48,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:48,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 15:02:48,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-04 15:02:48,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 15:02:48,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-04 15:02:48,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 15:02:48,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 15:02:48,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-04 15:02:48,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-04 15:02:48,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-04 15:02:48,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-04 15:02:48,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-04 15:02:48,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 15:02:48,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-04 15:02:48,815 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting P3Err0ASSERT_VIOLATIONASSERT === [P3Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 15:02:48,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 15:02:48,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1639969853, now seen corresponding path program 1 times [2022-10-04 15:02:48,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 15:02:48,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327486844] [2022-10-04 15:02:48,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 15:02:48,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 15:02:48,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 15:02:49,029 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 15:02:49,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 15:02:49,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327486844] [2022-10-04 15:02:49,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327486844] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 15:02:49,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 15:02:49,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-04 15:02:49,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891593031] [2022-10-04 15:02:49,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 15:02:49,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-04 15:02:49,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 15:02:49,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-04 15:02:49,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-10-04 15:02:49,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:49,032 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 15:02:49,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 59.44444444444444) internal successors, (535), 9 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 15:02:49,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 15:02:49,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 15:02:49,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-04 15:02:49,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 15:02:49,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-04 15:02:49,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 15:02:49,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 15:02:49,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-04 15:02:49,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-04 15:02:49,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-04 15:02:49,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-04 15:02:49,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-04 15:02:49,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 15:02:49,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.