/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/queue_longer.line576.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-10-04 00:40:03,809 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-04 00:40:03,811 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-04 00:40:03,846 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-04 00:40:03,847 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-04 00:40:03,850 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-04 00:40:03,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-04 00:40:03,858 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-04 00:40:03,860 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-04 00:40:03,866 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-04 00:40:03,866 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-04 00:40:03,867 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-04 00:40:03,868 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-04 00:40:03,868 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-04 00:40:03,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-04 00:40:03,870 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-04 00:40:03,870 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-04 00:40:03,871 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-04 00:40:03,872 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-04 00:40:03,873 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-04 00:40:03,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-04 00:40:03,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-04 00:40:03,884 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-04 00:40:03,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-04 00:40:03,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-04 00:40:03,893 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-04 00:40:03,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-04 00:40:03,894 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-04 00:40:03,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-04 00:40:03,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-04 00:40:03,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-04 00:40:03,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-04 00:40:03,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-04 00:40:03,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-04 00:40:03,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-04 00:40:03,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-04 00:40:03,899 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-04 00:40:03,899 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-04 00:40:03,899 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-04 00:40:03,900 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-04 00:40:03,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-04 00:40:03,902 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-04 00:40:03,944 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-04 00:40:03,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-04 00:40:03,944 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-04 00:40:03,945 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-04 00:40:03,945 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-04 00:40:03,945 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-04 00:40:03,946 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-04 00:40:03,946 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-04 00:40:03,946 INFO L138 SettingsManager]: * Use SBE=true [2022-10-04 00:40:03,946 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-04 00:40:03,946 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-04 00:40:03,947 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-04 00:40:03,947 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-04 00:40:03,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-04 00:40:03,947 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-04 00:40:03,947 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-04 00:40:03,947 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-04 00:40:03,947 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-04 00:40:03,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-04 00:40:03,948 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-04 00:40:03,948 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-04 00:40:03,948 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-04 00:40:03,948 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-04 00:40:03,948 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-04 00:40:03,948 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-04 00:40:03,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-04 00:40:03,949 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-04 00:40:03,949 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-04 00:40:03,949 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-04 00:40:03,949 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-04 00:40:03,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-04 00:40:03,949 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-04 00:40:03,950 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-04 00:40:03,950 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-04 00:40:03,950 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-04 00:40:03,950 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-04 00:40:03,950 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-04 00:40:03,950 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-04 00:40:03,950 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-04 00:40:04,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-04 00:40:04,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-04 00:40:04,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-04 00:40:04,175 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-04 00:40:04,176 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-04 00:40:04,178 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/queue_longer.line576.bpl [2022-10-04 00:40:04,178 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/queue_longer.line576.bpl' [2022-10-04 00:40:04,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-04 00:40:04,238 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-10-04 00:40:04,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-04 00:40:04,240 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-04 00:40:04,240 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-04 00:40:04,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "queue_longer.line576.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:40:04" (1/1) ... [2022-10-04 00:40:04,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "queue_longer.line576.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:40:04" (1/1) ... [2022-10-04 00:40:04,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "queue_longer.line576.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:40:04" (1/1) ... [2022-10-04 00:40:04,286 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "queue_longer.line576.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:40:04" (1/1) ... [2022-10-04 00:40:04,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "queue_longer.line576.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:40:04" (1/1) ... [2022-10-04 00:40:04,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "queue_longer.line576.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:40:04" (1/1) ... [2022-10-04 00:40:04,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "queue_longer.line576.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:40:04" (1/1) ... [2022-10-04 00:40:04,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-04 00:40:04,337 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-04 00:40:04,338 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-04 00:40:04,338 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-04 00:40:04,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "queue_longer.line576.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:40:04" (1/1) ... [2022-10-04 00:40:04,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-04 00:40:04,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 00:40:04,389 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 00:40:04,400 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 00:40:04,435 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-10-04 00:40:04,435 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-10-04 00:40:04,435 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-10-04 00:40:04,435 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-10-04 00:40:04,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-04 00:40:04,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-04 00:40:04,437 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 00:40:04,646 INFO L234 CfgBuilder]: Building ICFG [2022-10-04 00:40:04,647 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-04 00:40:05,270 INFO L275 CfgBuilder]: Performing block encoding [2022-10-04 00:40:05,319 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-04 00:40:05,319 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-04 00:40:05,323 INFO L202 PluginConnector]: Adding new model queue_longer.line576.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:40:05 BoogieIcfgContainer [2022-10-04 00:40:05,323 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-04 00:40:05,325 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-04 00:40:05,325 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-04 00:40:05,334 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-04 00:40:05,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue_longer.line576.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:40:04" (1/2) ... [2022-10-04 00:40:05,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15c039a6 and model type queue_longer.line576.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.10 12:40:05, skipping insertion in model container [2022-10-04 00:40:05,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue_longer.line576.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:40:05" (2/2) ... [2022-10-04 00:40:05,337 INFO L112 eAbstractionObserver]: Analyzing ICFG queue_longer.line576.bpl [2022-10-04 00:40:05,343 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-04 00:40:05,350 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-04 00:40:05,350 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-04 00:40:05,350 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-04 00:40:05,513 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-10-04 00:40:05,603 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-04 00:40:05,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-04 00:40:05,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 00:40:05,607 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 00:40:05,608 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 00:40:05,654 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-04 00:40:05,663 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-04 00:40:05,672 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;@284f40be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-04 00:40:05,673 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-04 00:40:05,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-04 00:40:05,785 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-04 00:40:05,787 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (1/4) [2022-10-04 00:40:05,803 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-04 00:40:05,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-04 00:40:05,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 00:40:05,808 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 00:40:05,810 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 00:40:05,817 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-04 00:40:05,822 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-04 00:40:05,823 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;@284f40be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-04 00:40:05,823 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-04 00:40:06,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-04 00:40:06,394 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-04 00:40:06,397 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/4) [2022-10-04 00:40:06,406 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-04 00:40:06,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-04 00:40:06,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 00:40:06,569 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 00:40:06,576 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-04 00:40:06,576 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Err0ASSERT_VIOLATIONASSERT ======== [2022-10-04 00:40:06,577 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;@284f40be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-04 00:40:06,577 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-04 00:40:06,577 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-10-04 00:40:06,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-04 00:40:06,578 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-04 00:40:06,578 INFO L307 ceAbstractionStarter]: Result for error location t1Err0ASSERT_VIOLATIONASSERT was SAFE (3/4) [2022-10-04 00:40:06,588 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-04 00:40:06,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-04 00:40:06,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 00:40:06,589 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 00:40:06,592 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 00:40:06,609 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-04 00:40:06,610 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Err0ASSERT_VIOLATIONASSERT ======== [2022-10-04 00:40:06,610 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;@284f40be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-04 00:40:06,610 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-04 00:40:06,619 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 00:40:06,772 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONASSERT === [t1Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 00:40:06,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 00:40:06,778 INFO L85 PathProgramCache]: Analyzing trace with hash 842366096, now seen corresponding path program 1 times [2022-10-04 00:40:06,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 00:40:06,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122881459] [2022-10-04 00:40:06,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 00:40:06,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 00:40:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 00:40:07,268 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 00:40:07,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 00:40:07,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122881459] [2022-10-04 00:40:07,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122881459] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 00:40:07,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 00:40:07,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-04 00:40:07,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884606675] [2022-10-04 00:40:07,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 00:40:07,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-04 00:40:07,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 00:40:07,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-04 00:40:07,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-04 00:40:07,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:40:07,316 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 00:40:07,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 194.5) internal successors, (389), 2 states have internal predecessors, (389), 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 00:40:07,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:40:07,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:40:07,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-04 00:40:07,372 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONASSERT === [t1Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 00:40:07,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 00:40:07,373 INFO L85 PathProgramCache]: Analyzing trace with hash 462894405, now seen corresponding path program 1 times [2022-10-04 00:40:07,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 00:40:07,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825251922] [2022-10-04 00:40:07,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 00:40:07,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 00:40:07,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 00:40:07,681 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 00:40:07,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 00:40:07,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825251922] [2022-10-04 00:40:07,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825251922] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 00:40:07,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 00:40:07,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-04 00:40:07,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522686039] [2022-10-04 00:40:07,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 00:40:07,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-04 00:40:07,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 00:40:07,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-04 00:40:07,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-04 00:40:07,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:40:07,685 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 00:40:07,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 96.75) internal successors, (387), 4 states have internal predecessors, (387), 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 00:40:07,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:40:07,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:40:08,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:40:08,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 00:40:08,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-04 00:40:08,499 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err0ASSERT_VIOLATIONASSERT === [t1Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 00:40:08,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 00:40:08,500 INFO L85 PathProgramCache]: Analyzing trace with hash 738058487, now seen corresponding path program 1 times [2022-10-04 00:40:08,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 00:40:08,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709121517] [2022-10-04 00:40:08,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 00:40:08,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 00:40:08,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 00:40:09,830 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 00:40:09,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 00:40:09,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709121517] [2022-10-04 00:40:09,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709121517] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 00:40:09,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 00:40:09,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-10-04 00:40:09,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131959275] [2022-10-04 00:40:09,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 00:40:09,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-10-04 00:40:09,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 00:40:09,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-10-04 00:40:09,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2022-10-04 00:40:09,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:40:09,838 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 00:40:09,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 14.846153846153847) internal successors, (386), 26 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 00:40:09,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:40:09,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 00:40:09,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:40:12,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:40:12,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 00:40:12,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-10-04 00:40:12,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-04 00:40:12,675 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err0ASSERT_VIOLATIONASSERT === [t1Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 00:40:12,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 00:40:12,675 INFO L85 PathProgramCache]: Analyzing trace with hash -403082727, now seen corresponding path program 1 times [2022-10-04 00:40:12,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 00:40:12,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161095585] [2022-10-04 00:40:12,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 00:40:12,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 00:40:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 00:40:13,625 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 00:40:13,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 00:40:13,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161095585] [2022-10-04 00:40:13,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161095585] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 00:40:13,626 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 00:40:13,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2022-10-04 00:40:13,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988332219] [2022-10-04 00:40:13,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 00:40:13,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-10-04 00:40:13,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 00:40:13,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-10-04 00:40:13,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=814, Unknown=0, NotChecked=0, Total=930 [2022-10-04 00:40:13,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:40:13,629 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 00:40:13,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 12.806451612903226) internal successors, (397), 31 states have internal predecessors, (397), 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 00:40:13,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:40:13,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 00:40:13,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-10-04 00:40:13,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:40:17,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:40:17,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 00:40:17,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-10-04 00:40:17,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-10-04 00:40:17,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-04 00:40:17,018 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t1Err0ASSERT_VIOLATIONASSERT === [t1Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 00:40:17,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 00:40:17,019 INFO L85 PathProgramCache]: Analyzing trace with hash 752928854, now seen corresponding path program 1 times [2022-10-04 00:40:17,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 00:40:17,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269901727] [2022-10-04 00:40:17,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 00:40:17,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 00:40:17,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 00:40:18,672 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 00:40:18,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 00:40:18,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269901727] [2022-10-04 00:40:18,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269901727] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 00:40:18,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 00:40:18,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [48] imperfect sequences [] total 48 [2022-10-04 00:40:18,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981031190] [2022-10-04 00:40:18,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 00:40:18,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-10-04 00:40:18,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 00:40:18,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-10-04 00:40:18,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=216, Invalid=2040, Unknown=0, NotChecked=0, Total=2256 [2022-10-04 00:40:18,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:40:18,676 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 00:40:18,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 8.270833333333334) internal successors, (397), 48 states have internal predecessors, (397), 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 00:40:18,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:40:18,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 00:40:18,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-10-04 00:40:18,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-10-04 00:40:18,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:40:24,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:40:24,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 00:40:24,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-10-04 00:40:24,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-10-04 00:40:24,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-10-04 00:40:24,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-04 00:40:24,968 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t1Err0ASSERT_VIOLATIONASSERT === [t1Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 00:40:24,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 00:40:24,968 INFO L85 PathProgramCache]: Analyzing trace with hash 217876826, now seen corresponding path program 1 times [2022-10-04 00:40:24,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 00:40:24,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365656798] [2022-10-04 00:40:24,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 00:40:24,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 00:40:25,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 00:40:25,453 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 00:40:25,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 00:40:25,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365656798] [2022-10-04 00:40:25,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365656798] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 00:40:25,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 00:40:25,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-10-04 00:40:25,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024493891] [2022-10-04 00:40:25,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 00:40:25,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-04 00:40:25,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 00:40:25,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-04 00:40:25,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2022-10-04 00:40:25,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:40:25,456 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 00:40:25,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 31.384615384615383) internal successors, (408), 14 states have internal predecessors, (408), 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 00:40:25,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:40:25,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 00:40:25,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-10-04 00:40:25,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-10-04 00:40:25,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-10-04 00:40:25,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:40:26,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:40:26,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 00:40:26,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-10-04 00:40:26,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-10-04 00:40:26,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-10-04 00:40:26,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-04 00:40:26,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-04 00:40:26,436 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err0ASSERT_VIOLATIONASSERT === [t1Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 00:40:26,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 00:40:26,437 INFO L85 PathProgramCache]: Analyzing trace with hash 915978297, now seen corresponding path program 1 times [2022-10-04 00:40:26,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 00:40:26,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797341476] [2022-10-04 00:40:26,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 00:40:26,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 00:40:26,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 00:40:26,571 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-04 00:40:26,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 00:40:26,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797341476] [2022-10-04 00:40:26,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797341476] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 00:40:26,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 00:40:26,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-04 00:40:26,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148848456] [2022-10-04 00:40:26,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 00:40:26,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-04 00:40:26,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 00:40:26,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-04 00:40:26,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-04 00:40:26,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:40:26,579 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 00:40:26,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 168.0) internal successors, (504), 3 states have internal predecessors, (504), 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 00:40:26,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:40:26,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 00:40:26,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-10-04 00:40:26,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-10-04 00:40:26,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-10-04 00:40:26,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-04 00:40:26,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:40:27,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:40:27,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 00:40:27,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-10-04 00:40:27,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-10-04 00:40:27,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-10-04 00:40:27,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-04 00:40:27,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 00:40:27,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-04 00:40:27,380 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err0ASSERT_VIOLATIONASSERT === [t1Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 00:40:27,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 00:40:27,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1499665209, now seen corresponding path program 1 times [2022-10-04 00:40:27,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 00:40:27,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917824308] [2022-10-04 00:40:27,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 00:40:27,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 00:40:27,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 00:40:27,519 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-04 00:40:27,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 00:40:27,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917824308] [2022-10-04 00:40:27,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917824308] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 00:40:27,520 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 00:40:27,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-04 00:40:27,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472826900] [2022-10-04 00:40:27,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 00:40:27,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-04 00:40:27,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 00:40:27,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-04 00:40:27,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-04 00:40:27,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:40:27,522 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 00:40:27,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 106.0) internal successors, (636), 6 states have internal predecessors, (636), 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 00:40:27,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:40:27,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 00:40:27,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-10-04 00:40:27,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-10-04 00:40:27,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-10-04 00:40:27,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-04 00:40:27,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 00:40:27,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:40:27,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:40:27,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 00:40:27,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-10-04 00:40:27,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-10-04 00:40:27,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-10-04 00:40:27,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-04 00:40:27,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 00:40:27,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-04 00:40:27,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-04 00:40:27,934 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t1Err0ASSERT_VIOLATIONASSERT === [t1Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 00:40:27,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 00:40:27,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1027197550, now seen corresponding path program 1 times [2022-10-04 00:40:27,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 00:40:27,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570212250] [2022-10-04 00:40:27,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 00:40:27,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 00:40:27,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 00:40:28,086 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-04 00:40:28,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 00:40:28,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570212250] [2022-10-04 00:40:28,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570212250] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 00:40:28,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 00:40:28,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-04 00:40:28,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012882113] [2022-10-04 00:40:28,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 00:40:28,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-04 00:40:28,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 00:40:28,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-04 00:40:28,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-04 00:40:28,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:40:28,089 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 00:40:28,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 107.5) internal successors, (645), 6 states have internal predecessors, (645), 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 00:40:28,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:40:28,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 00:40:28,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-10-04 00:40:28,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-10-04 00:40:28,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-10-04 00:40:28,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-04 00:40:28,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 00:40:28,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-04 00:40:28,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:40:28,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:40:28,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 00:40:28,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-10-04 00:40:28,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-10-04 00:40:28,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-10-04 00:40:28,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-04 00:40:28,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 00:40:28,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-04 00:40:28,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-04 00:40:28,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-04 00:40:28,476 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t1Err0ASSERT_VIOLATIONASSERT === [t1Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 00:40:28,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 00:40:28,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1559343733, now seen corresponding path program 2 times [2022-10-04 00:40:28,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 00:40:28,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401042784] [2022-10-04 00:40:28,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 00:40:28,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 00:40:28,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 00:40:28,623 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-04 00:40:28,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 00:40:28,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401042784] [2022-10-04 00:40:28,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401042784] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 00:40:28,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 00:40:28,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-04 00:40:28,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737468222] [2022-10-04 00:40:28,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 00:40:28,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-04 00:40:28,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 00:40:28,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-04 00:40:28,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-04 00:40:28,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:40:28,627 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 00:40:28,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 158.25) internal successors, (633), 4 states have internal predecessors, (633), 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 00:40:28,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:40:28,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 00:40:28,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-10-04 00:40:28,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-10-04 00:40:28,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-10-04 00:40:28,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-04 00:40:28,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 00:40:28,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-04 00:40:28,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-04 00:40:28,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:40:28,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:40:28,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 00:40:28,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-10-04 00:40:28,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-10-04 00:40:28,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-10-04 00:40:28,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-04 00:40:28,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 00:40:28,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-04 00:40:28,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-04 00:40:28,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 00:40:28,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-04 00:40:28,901 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t1Err0ASSERT_VIOLATIONASSERT === [t1Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 00:40:28,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 00:40:28,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1403427897, now seen corresponding path program 2 times [2022-10-04 00:40:28,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 00:40:28,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532995704] [2022-10-04 00:40:28,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 00:40:28,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 00:40:29,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 00:40:40,863 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 9 proven. 91 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-04 00:40:40,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 00:40:40,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532995704] [2022-10-04 00:40:40,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532995704] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-04 00:40:40,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639379842] [2022-10-04 00:40:40,864 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-04 00:40:40,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-04 00:40:40,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 00:40:40,868 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-04 00:40:40,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-04 00:40:41,329 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-04 00:40:41,329 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-04 00:40:41,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 1367 conjuncts, 72 conjunts are in the unsatisfiable core [2022-10-04 00:40:41,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-04 00:40:43,100 INFO L356 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-10-04 00:40:43,101 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 37 treesize of output 69 [2022-10-04 00:40:43,425 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-10-04 00:40:43,983 INFO L356 Elim1Store]: treesize reduction 24, result has 51.0 percent of original size [2022-10-04 00:40:43,984 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 46 [2022-10-04 00:40:44,334 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-10-04 00:40:48,943 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 105 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-04 00:40:48,944 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-04 00:41:04,302 WARN L233 SmtUtils]: Spent 6.06s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-10-04 00:41:05,767 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-04 00:41:05,767 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 112 treesize of output 116 [2022-10-04 00:41:06,582 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 16 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-04 00:41:06,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [639379842] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-04 00:41:06,582 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-04 00:41:06,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [89, 36, 21] total 144 [2022-10-04 00:41:06,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635334737] [2022-10-04 00:41:06,583 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-04 00:41:06,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 144 states [2022-10-04 00:41:06,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 00:41:06,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 144 interpolants. [2022-10-04 00:41:06,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=829, Invalid=19763, Unknown=0, NotChecked=0, Total=20592 [2022-10-04 00:41:06,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:41:06,592 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 00:41:06,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 144 states, 144 states have (on average 12.854166666666666) internal successors, (1851), 144 states have internal predecessors, (1851), 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 00:41:06,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:41:06,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 00:41:06,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-10-04 00:41:06,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-10-04 00:41:06,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-10-04 00:41:06,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-04 00:41:06,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 00:41:06,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-04 00:41:06,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-04 00:41:06,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 00:41:06,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.