/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/09-regions_17-arrayloop_nr.line703.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-10-03 12:43:08,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-03 12:43:08,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-03 12:43:08,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-03 12:43:08,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-03 12:43:08,564 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-03 12:43:08,565 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-03 12:43:08,567 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-03 12:43:08,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-03 12:43:08,569 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-03 12:43:08,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-03 12:43:08,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-03 12:43:08,571 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-03 12:43:08,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-03 12:43:08,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-03 12:43:08,573 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-03 12:43:08,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-03 12:43:08,578 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-03 12:43:08,584 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-03 12:43:08,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-03 12:43:08,587 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-03 12:43:08,591 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-03 12:43:08,592 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-03 12:43:08,593 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-03 12:43:08,595 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-03 12:43:08,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-03 12:43:08,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-03 12:43:08,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-03 12:43:08,612 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-03 12:43:08,646 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-03 12:43:08,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-03 12:43:08,646 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-03 12:43:08,646 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-03 12:43:08,647 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-03 12:43:08,647 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-03 12:43:08,647 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-03 12:43:08,648 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-03 12:43:08,648 INFO L138 SettingsManager]: * Use SBE=true [2022-10-03 12:43:08,648 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-03 12:43:08,648 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-03 12:43:08,648 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-03 12:43:08,648 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-03 12:43:08,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-03 12:43:08,649 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-03 12:43:08,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-03 12:43:08,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-03 12:43:08,649 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-03 12:43:08,649 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-03 12:43:08,649 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-03 12:43:08,649 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-03 12:43:08,649 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-03 12:43:08,650 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-03 12:43:08,651 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-03 12:43:08,651 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-03 12:43:08,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-03 12:43:08,651 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-03 12:43:08,651 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-03 12:43:08,652 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-03 12:43:08,652 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-03 12:43:08,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-03 12:43:08,652 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-03 12:43:08,652 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-03 12:43:08,652 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-03 12:43:08,652 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-03 12:43:08,652 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-03 12:43:08,653 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-03 12:43:08,653 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-03 12:43:08,653 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-03 12:43:08,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-03 12:43:08,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-03 12:43:08,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-03 12:43:08,891 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-03 12:43:08,893 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-03 12:43:08,894 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/09-regions_17-arrayloop_nr.line703.bpl [2022-10-03 12:43:08,894 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/09-regions_17-arrayloop_nr.line703.bpl' [2022-10-03 12:43:08,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-03 12:43:08,945 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-10-03 12:43:08,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-03 12:43:08,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-03 12:43:08,947 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-03 12:43:08,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "09-regions_17-arrayloop_nr.line703.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 12:43:08" (1/1) ... [2022-10-03 12:43:08,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "09-regions_17-arrayloop_nr.line703.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 12:43:08" (1/1) ... [2022-10-03 12:43:08,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "09-regions_17-arrayloop_nr.line703.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 12:43:08" (1/1) ... [2022-10-03 12:43:08,987 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "09-regions_17-arrayloop_nr.line703.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 12:43:08" (1/1) ... [2022-10-03 12:43:09,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "09-regions_17-arrayloop_nr.line703.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 12:43:08" (1/1) ... [2022-10-03 12:43:09,018 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "09-regions_17-arrayloop_nr.line703.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 12:43:08" (1/1) ... [2022-10-03 12:43:09,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "09-regions_17-arrayloop_nr.line703.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 12:43:08" (1/1) ... [2022-10-03 12:43:09,035 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-03 12:43:09,039 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-03 12:43:09,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-03 12:43:09,039 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-03 12:43:09,041 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "09-regions_17-arrayloop_nr.line703.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 12:43:08" (1/1) ... [2022-10-03 12:43:09,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-03 12:43:09,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 12:43:09,076 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) [2022-10-03 12:43:09,086 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 [2022-10-03 12:43:09,111 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-10-03 12:43:09,111 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-10-03 12:43:09,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-03 12:43:09,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-03 12:43:09,113 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-03 12:43:09,288 INFO L234 CfgBuilder]: Building ICFG [2022-10-03 12:43:09,298 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-03 12:43:09,685 INFO L275 CfgBuilder]: Performing block encoding [2022-10-03 12:43:09,704 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-03 12:43:09,704 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-03 12:43:09,706 INFO L202 PluginConnector]: Adding new model 09-regions_17-arrayloop_nr.line703.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:43:09 BoogieIcfgContainer [2022-10-03 12:43:09,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-03 12:43:09,708 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-03 12:43:09,708 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-03 12:43:09,715 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-03 12:43:09,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "09-regions_17-arrayloop_nr.line703.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 12:43:08" (1/2) ... [2022-10-03 12:43:09,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1405dd5 and model type 09-regions_17-arrayloop_nr.line703.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 12:43:09, skipping insertion in model container [2022-10-03 12:43:09,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "09-regions_17-arrayloop_nr.line703.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:43:09" (2/2) ... [2022-10-03 12:43:09,722 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_17-arrayloop_nr.line703.bpl [2022-10-03 12:43:09,729 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-03 12:43:09,739 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-03 12:43:09,739 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-03 12:43:09,739 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-03 12:43:09,857 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-10-03 12:43:09,911 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-03 12:43:09,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-03 12:43:09,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 12:43:09,916 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) [2022-10-03 12:43:09,926 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 [2022-10-03 12:43:09,952 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-03 12:43:09,961 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-03 12:43:09,966 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;@39689de0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-03 12:43:09,966 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-03 12:43:10,125 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 12:43:10,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 12:43:10,129 INFO L85 PathProgramCache]: Analyzing trace with hash -367342812, now seen corresponding path program 1 times [2022-10-03 12:43:10,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 12:43:10,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983341686] [2022-10-03 12:43:10,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 12:43:10,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 12:43:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 12:43:10,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 12:43:10,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 12:43:10,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983341686] [2022-10-03 12:43:10,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983341686] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 12:43:10,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 12:43:10,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-03 12:43:10,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582340168] [2022-10-03 12:43:10,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 12:43:10,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-03 12:43:10,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 12:43:10,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-03 12:43:10,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-03 12:43:10,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:43:10,472 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 12:43:10,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 70.5) internal successors, (141), 2 states have internal predecessors, (141), 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) [2022-10-03 12:43:10,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:43:10,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:43:10,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-03 12:43:10,520 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 12:43:10,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 12:43:10,523 INFO L85 PathProgramCache]: Analyzing trace with hash 416036163, now seen corresponding path program 1 times [2022-10-03 12:43:10,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 12:43:10,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441462198] [2022-10-03 12:43:10,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 12:43:10,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 12:43:10,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 12:43:10,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 12:43:10,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 12:43:10,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441462198] [2022-10-03 12:43:10,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441462198] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 12:43:10,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 12:43:10,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-03 12:43:10,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213911437] [2022-10-03 12:43:10,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 12:43:10,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-03 12:43:10,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 12:43:10,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-03 12:43:10,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-03 12:43:10,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:43:10,675 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 12:43:10,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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) [2022-10-03 12:43:10,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:43:10,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:43:10,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:43:10,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-03 12:43:10,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-03 12:43:10,750 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 12:43:10,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 12:43:10,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1385963873, now seen corresponding path program 1 times [2022-10-03 12:43:10,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 12:43:10,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986057880] [2022-10-03 12:43:10,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 12:43:10,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 12:43:10,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 12:43:10,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 12:43:10,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 12:43:10,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986057880] [2022-10-03 12:43:10,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986057880] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 12:43:10,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [797635812] [2022-10-03 12:43:10,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 12:43:10,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 12:43:10,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 12:43:10,923 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-03 12:43:10,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-03 12:43:11,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 12:43:11,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-03 12:43:11,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 12:43:11,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 12:43:11,280 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-03 12:43:11,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 12:43:11,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [797635812] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-03 12:43:11,386 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-03 12:43:11,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-10-03 12:43:11,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581601182] [2022-10-03 12:43:11,387 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-03 12:43:11,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-03 12:43:11,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 12:43:11,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-03 12:43:11,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-10-03 12:43:11,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:43:11,392 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 12:43:11,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 30.2) internal successors, (302), 10 states have internal predecessors, (302), 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) [2022-10-03 12:43:11,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:43:11,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-03 12:43:11,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:43:11,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:43:11,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-03 12:43:11,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-03 12:43:11,532 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-03 12:43:11,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-10-03 12:43:11,729 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 12:43:11,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 12:43:11,730 INFO L85 PathProgramCache]: Analyzing trace with hash -482562785, now seen corresponding path program 2 times [2022-10-03 12:43:11,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 12:43:11,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296887887] [2022-10-03 12:43:11,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 12:43:11,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 12:43:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 12:43:12,027 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 12:43:12,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 12:43:12,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296887887] [2022-10-03 12:43:12,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296887887] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 12:43:12,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1298606436] [2022-10-03 12:43:12,032 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-03 12:43:12,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 12:43:12,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 12:43:12,037 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-03 12:43:12,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-03 12:43:12,281 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-03 12:43:12,281 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-03 12:43:12,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 806 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-03 12:43:12,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 12:43:12,513 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 12:43:12,514 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-03 12:43:12,734 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 12:43:12,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1298606436] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-03 12:43:12,735 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-03 12:43:12,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-10-03 12:43:12,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841691069] [2022-10-03 12:43:12,735 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-03 12:43:12,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-10-03 12:43:12,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 12:43:12,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-10-03 12:43:12,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-10-03 12:43:12,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:43:12,738 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 12:43:12,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 28.555555555555557) internal successors, (514), 18 states have internal predecessors, (514), 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) [2022-10-03 12:43:12,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:43:12,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-03 12:43:12,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-03 12:43:12,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:43:12,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:43:12,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-03 12:43:12,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-03 12:43:12,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-03 12:43:12,968 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-10-03 12:43:13,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 12:43:13,160 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 12:43:13,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 12:43:13,160 INFO L85 PathProgramCache]: Analyzing trace with hash 2130438687, now seen corresponding path program 3 times [2022-10-03 12:43:13,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 12:43:13,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878908310] [2022-10-03 12:43:13,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 12:43:13,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 12:43:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 12:43:13,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1120 backedges. 0 proven. 1120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 12:43:13,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 12:43:13,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878908310] [2022-10-03 12:43:13,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878908310] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 12:43:13,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1527585450] [2022-10-03 12:43:13,547 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-10-03 12:43:13,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 12:43:13,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 12:43:13,548 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-03 12:43:13,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-03 12:43:32,969 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-10-03 12:43:32,969 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-03 12:43:33,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 1406 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-03 12:43:33,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 12:43:33,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1120 backedges. 0 proven. 1120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 12:43:33,428 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-03 12:43:33,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1120 backedges. 0 proven. 1120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 12:43:33,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1527585450] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-03 12:43:33,937 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-03 12:43:33,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2022-10-03 12:43:33,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53728045] [2022-10-03 12:43:33,937 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-03 12:43:33,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-10-03 12:43:33,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 12:43:33,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-10-03 12:43:33,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-10-03 12:43:33,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:43:33,941 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 12:43:33,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 29.26086956521739) internal successors, (673), 23 states have internal predecessors, (673), 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) [2022-10-03 12:43:33,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:43:33,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-03 12:43:33,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-03 12:43:33,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-10-03 12:43:33,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:43:34,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:43:34,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-03 12:43:34,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-03 12:43:34,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-03 12:43:34,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-03 12:43:34,298 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-03 12:43:34,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 12:43:34,457 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 12:43:34,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 12:43:34,458 INFO L85 PathProgramCache]: Analyzing trace with hash -638640957, now seen corresponding path program 4 times [2022-10-03 12:43:34,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 12:43:34,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75387808] [2022-10-03 12:43:34,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 12:43:34,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 12:43:34,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2022-10-03 12:54:28,161 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,166 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,167 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,169 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,171 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,172 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,174 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,176 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,178 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,179 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,181 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,183 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,184 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,186 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,188 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,189 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,191 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,193 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,194 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,196 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,198 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,199 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,201 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,203 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,205 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,205 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-10-03 12:54:28,205 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-10-03 12:54:28,206 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,208 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,210 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,211 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,213 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,215 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,216 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,218 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,220 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,222 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,223 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,225 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,227 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,228 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,230 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,232 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,233 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,235 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,237 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,238 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,240 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,241 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,243 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,245 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,246 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,248 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,250 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,251 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,253 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,255 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,257 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,259 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,260 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,262 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,264 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,265 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,267 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,269 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,271 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,273 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,274 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,276 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,278 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,280 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,282 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,283 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,285 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,287 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,288 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,290 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,292 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,293 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,295 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,297 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,298 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,300 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,302 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,304 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,305 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,307 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,309 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,310 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,312 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,314 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,315 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,317 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,319 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,321 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,322 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,324 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,326 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,327 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,329 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,331 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,332 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,333 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,334 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,336 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,339 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,340 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,342 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,345 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,346 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,348 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,350 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,352 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,354 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,356 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,358 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,360 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,361 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,363 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,365 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,367 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,369 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,371 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,373 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,374 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,378 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,380 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,382 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,383 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,383 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,384 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,384 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,384 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,384 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,385 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,385 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,385 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,385 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,386 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,386 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,386 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,386 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,387 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-10-03 12:54:28,395 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-03 12:54:28,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-03 12:54:28,396 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 672 with TraceHistMax 10,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 670 interpolants. [2022-10-03 12:54:28,400 INFO L444 BasicCegarLoop]: Path program histogram: [4, 1, 1] [2022-10-03 12:54:28,401 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was TIMEOUT (1/2) [2022-10-03 12:54:28,403 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-03 12:54:28,403 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-03 12:54:28,408 INFO L202 PluginConnector]: Adding new model 09-regions_17-arrayloop_nr.line703.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 12:54:28 BasicIcfg [2022-10-03 12:54:28,409 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-03 12:54:28,409 INFO L158 Benchmark]: Toolchain (without parser) took 679463.62ms. Allocated memory was 191.9MB in the beginning and 3.4GB in the end (delta: 3.2GB). Free memory was 144.6MB in the beginning and 555.4MB in the end (delta: -410.8MB). Peak memory consumption was 4.2GB. Max. memory is 8.0GB. [2022-10-03 12:54:28,410 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 191.9MB. Free memory is still 147.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-03 12:54:28,411 INFO L158 Benchmark]: Boogie Preprocessor took 89.15ms. Allocated memory is still 191.9MB. Free memory was 144.5MB in the beginning and 141.2MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-10-03 12:54:28,411 INFO L158 Benchmark]: RCFGBuilder took 667.47ms. Allocated memory is still 191.9MB. Free memory was 141.1MB in the beginning and 141.9MB in the end (delta: -792.1kB). Peak memory consumption was 16.5MB. Max. memory is 8.0GB. [2022-10-03 12:54:28,411 INFO L158 Benchmark]: TraceAbstraction took 678700.56ms. Allocated memory was 191.9MB in the beginning and 3.4GB in the end (delta: 3.2GB). Free memory was 141.3MB in the beginning and 555.4MB in the end (delta: -414.1MB). Peak memory consumption was 4.2GB. Max. memory is 8.0GB. [2022-10-03 12:54:28,412 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.10ms. Allocated memory is still 191.9MB. Free memory is still 147.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 89.15ms. Allocated memory is still 191.9MB. Free memory was 144.5MB in the beginning and 141.2MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 667.47ms. Allocated memory is still 191.9MB. Free memory was 141.1MB in the beginning and 141.9MB in the end (delta: -792.1kB). Peak memory consumption was 16.5MB. Max. memory is 8.0GB. * TraceAbstraction took 678700.56ms. Allocated memory was 191.9MB in the beginning and 3.4GB in the end (delta: 3.2GB). Free memory was 141.3MB in the beginning and 555.4MB in the end (delta: -414.1MB). Peak memory consumption was 4.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 77, positive: 71, positive conditional: 71, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 515, positive: 426, positive conditional: 426, positive unconditional: 0, negative: 89, negative conditional: 89, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 426, positive: 426, positive conditional: 0, positive unconditional: 426, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 76, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 426, positive: 350, positive conditional: 0, positive unconditional: 350, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 76, unknown conditional: 0, unknown unconditional: 76] , Statistics on independence cache: Total cache size (in pairs): 71, Positive cache size: 71, Positive conditional cache size: 0, Positive unconditional cache size: 71, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 6, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 75, positive: 71, positive conditional: 71, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 515, positive: 426, positive conditional: 426, positive unconditional: 0, negative: 89, negative conditional: 89, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 426, positive: 426, positive conditional: 0, positive unconditional: 426, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 76, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 426, positive: 350, positive conditional: 0, positive unconditional: 350, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 76, unknown conditional: 0, unknown unconditional: 76] , Statistics on independence cache: Total cache size (in pairs): 71, Positive cache size: 71, Positive conditional cache size: 0, Positive unconditional cache size: 71, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 10, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 78, positive: 71, positive conditional: 71, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 515, positive: 426, positive conditional: 426, positive unconditional: 0, negative: 89, negative conditional: 89, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 426, positive: 426, positive conditional: 0, positive unconditional: 426, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 76, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 426, positive: 350, positive conditional: 0, positive unconditional: 350, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 76, unknown conditional: 0, unknown unconditional: 76] , Statistics on independence cache: Total cache size (in pairs): 76, Positive cache size: 76, Positive conditional cache size: 0, Positive unconditional cache size: 76, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 17, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 84, positive: 71, positive conditional: 71, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 515, positive: 426, positive conditional: 426, positive unconditional: 0, negative: 89, negative conditional: 89, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 426, positive: 426, positive conditional: 0, positive unconditional: 426, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 76, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 426, positive: 350, positive conditional: 0, positive unconditional: 350, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 76, unknown conditional: 0, unknown unconditional: 76] , Statistics on independence cache: Total cache size (in pairs): 76, Positive cache size: 76, Positive conditional cache size: 0, Positive unconditional cache size: 76, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 30, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 96, positive: 71, positive conditional: 71, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 515, positive: 426, positive conditional: 426, positive unconditional: 0, negative: 89, negative conditional: 89, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 426, positive: 426, positive conditional: 0, positive unconditional: 426, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 76, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 426, positive: 350, positive conditional: 0, positive unconditional: 350, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 76, unknown conditional: 0, unknown unconditional: 76] , Statistics on independence cache: Total cache size (in pairs): 76, Positive cache size: 76, Positive conditional cache size: 0, Positive unconditional cache size: 76, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 55, Statistics for Abstraction: - StatisticsResult: Independence relation #6 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 105, positive: 71, positive conditional: 71, positive unconditional: 0, negative: 34, negative conditional: 34, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 515, positive: 426, positive conditional: 426, positive unconditional: 0, negative: 89, negative conditional: 89, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 426, positive: 426, positive conditional: 0, positive unconditional: 426, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 76, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 426, positive: 350, positive conditional: 0, positive unconditional: 350, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 76, unknown conditional: 0, unknown unconditional: 76] , Statistics on independence cache: Total cache size (in pairs): 76, Positive cache size: 76, Positive conditional cache size: 0, Positive unconditional cache size: 76, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 89, Statistics for Abstraction: - TimeoutResultAtElement [Line: 703]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 672 with TraceHistMax 10,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 670 interpolants. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 3 procedures, 473 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 678.5s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.9s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 65, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 19.7s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 2294 NumberOfCodeBlocks, 2294 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3289 ConstructedInterpolants, 0 QuantifiedInterpolants, 6807 SizeOfPredicates, 22 NumberOfNonLiveVariables, 2718 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 0/3849 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown