/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/ring_2w1r-1.line889.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-10-04 02:38:55,599 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-04 02:38:55,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-04 02:38:55,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-04 02:38:55,685 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-04 02:38:55,710 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-04 02:38:55,710 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-04 02:38:55,710 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-04 02:38:55,711 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-04 02:38:55,711 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-04 02:38:55,711 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-04 02:38:55,712 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-04 02:38:55,712 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-04 02:38:55,712 INFO L138 SettingsManager]: * Use SBE=true [2022-10-04 02:38:55,712 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-04 02:38:55,713 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-04 02:38:55,713 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-04 02:38:55,713 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-04 02:38:55,713 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-04 02:38:55,713 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-04 02:38:55,713 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-04 02:38:55,713 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-04 02:38:55,713 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-04 02:38:55,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-04 02:38:55,713 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-04 02:38:55,713 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-04 02:38:55,714 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-04 02:38:55,714 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-04 02:38:55,714 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-04 02:38:55,715 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-04 02:38:55,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-04 02:38:55,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-04 02:38:55,715 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-04 02:38:55,715 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-04 02:38:55,715 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-04 02:38:55,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-04 02:38:55,715 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-04 02:38:55,716 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-04 02:38:55,716 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-04 02:38:55,716 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-04 02:38:55,716 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-04 02:38:55,716 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-04 02:38:55,716 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-04 02:38:55,716 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-04 02:38:55,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-04 02:38:55,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-04 02:38:55,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-04 02:38:55,950 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-04 02:38:55,952 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-04 02:38:55,953 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/ring_2w1r-1.line889.bpl [2022-10-04 02:38:55,953 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/ring_2w1r-1.line889.bpl' [2022-10-04 02:38:56,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-04 02:38:56,005 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-10-04 02:38:56,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-04 02:38:56,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-04 02:38:56,006 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-04 02:38:56,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ring_2w1r-1.line889.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:38:56" (1/1) ... [2022-10-04 02:38:56,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ring_2w1r-1.line889.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:38:56" (1/1) ... [2022-10-04 02:38:56,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ring_2w1r-1.line889.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:38:56" (1/1) ... [2022-10-04 02:38:56,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ring_2w1r-1.line889.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:38:56" (1/1) ... [2022-10-04 02:38:56,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ring_2w1r-1.line889.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:38:56" (1/1) ... [2022-10-04 02:38:56,065 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ring_2w1r-1.line889.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:38:56" (1/1) ... [2022-10-04 02:38:56,067 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ring_2w1r-1.line889.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:38:56" (1/1) ... [2022-10-04 02:38:56,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-04 02:38:56,077 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-04 02:38:56,077 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-04 02:38:56,077 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-04 02:38:56,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ring_2w1r-1.line889.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:38:56" (1/1) ... [2022-10-04 02:38:56,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-04 02:38:56,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 02:38:56,141 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 02:38:56,159 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 02:38:56,188 INFO L130 BoogieDeclarations]: Found specification of procedure reader_two [2022-10-04 02:38:56,188 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_two [2022-10-04 02:38:56,188 INFO L130 BoogieDeclarations]: Found specification of procedure writer_fn [2022-10-04 02:38:56,189 INFO L138 BoogieDeclarations]: Found implementation of procedure writer_fn [2022-10-04 02:38:56,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-04 02:38:56,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-04 02:38:56,190 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 02:38:56,359 INFO L234 CfgBuilder]: Building ICFG [2022-10-04 02:38:56,360 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-04 02:38:56,793 INFO L275 CfgBuilder]: Performing block encoding [2022-10-04 02:38:56,815 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-04 02:38:56,816 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-10-04 02:38:56,818 INFO L202 PluginConnector]: Adding new model ring_2w1r-1.line889.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 02:38:56 BoogieIcfgContainer [2022-10-04 02:38:56,818 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-04 02:38:56,819 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-04 02:38:56,819 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-04 02:38:56,826 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-04 02:38:56,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring_2w1r-1.line889.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:38:56" (1/2) ... [2022-10-04 02:38:56,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51ccdf37 and model type ring_2w1r-1.line889.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.10 02:38:56, skipping insertion in model container [2022-10-04 02:38:56,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring_2w1r-1.line889.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 02:38:56" (2/2) ... [2022-10-04 02:38:56,832 INFO L112 eAbstractionObserver]: Analyzing ICFG ring_2w1r-1.line889.bpl [2022-10-04 02:38:56,843 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-04 02:38:56,850 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-04 02:38:56,851 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-04 02:38:56,851 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-04 02:38:56,990 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-10-04 02:38:57,052 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-04 02:38:57,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-04 02:38:57,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 02:38:57,082 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 02:38:57,112 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 02:38:57,138 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-04 02:38:57,145 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-04 02:38:57,150 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;@7e012ebd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-04 02:38:57,150 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-04 02:38:59,884 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-04 02:38:59,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 02:38:59,889 INFO L85 PathProgramCache]: Analyzing trace with hash -133622472, now seen corresponding path program 1 times [2022-10-04 02:38:59,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 02:38:59,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086563971] [2022-10-04 02:38:59,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 02:38:59,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 02:39:00,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 02:39:00,508 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2022-10-04 02:39:00,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 02:39:00,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086563971] [2022-10-04 02:39:00,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086563971] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 02:39:00,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 02:39:00,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-04 02:39:00,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879710842] [2022-10-04 02:39:00,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 02:39:00,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-04 02:39:00,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 02:39:00,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-04 02:39:00,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-04 02:39:00,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:39:00,549 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 02:39:00,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 186.0) internal successors, (372), 2 states have internal predecessors, (372), 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 02:39:00,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:39:00,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:39:00,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-04 02:39:00,580 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-04 02:39:00,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 02:39:00,583 INFO L85 PathProgramCache]: Analyzing trace with hash 819600911, now seen corresponding path program 1 times [2022-10-04 02:39:00,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 02:39:00,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392626531] [2022-10-04 02:39:00,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 02:39:00,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 02:39:00,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 02:39:00,825 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 02:39:00,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 02:39:00,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392626531] [2022-10-04 02:39:00,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392626531] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 02:39:00,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 02:39:00,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-04 02:39:00,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034641359] [2022-10-04 02:39:00,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 02:39:00,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-04 02:39:00,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 02:39:00,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-04 02:39:00,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2022-10-04 02:39:00,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:39:00,830 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 02:39:00,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 16.75) internal successors, (201), 13 states have internal predecessors, (201), 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 02:39:00,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:39:00,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:39:09,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:39:09,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-04 02:39:09,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-04 02:39:09,937 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-04 02:39:09,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 02:39:09,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1586723327, now seen corresponding path program 1 times [2022-10-04 02:39:09,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 02:39:09,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248784075] [2022-10-04 02:39:09,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 02:39:09,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 02:39:09,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 02:39:10,061 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-04 02:39:10,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 02:39:10,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248784075] [2022-10-04 02:39:10,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248784075] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 02:39:10,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 02:39:10,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-04 02:39:10,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864109991] [2022-10-04 02:39:10,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 02:39:10,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-04 02:39:10,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 02:39:10,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-04 02:39:10,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-04 02:39:10,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:39:10,065 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 02:39:10,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 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 02:39:10,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:39:10,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-04 02:39:10,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:39:18,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:39:18,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-04 02:39:18,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 02:39:18,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-04 02:39:18,355 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-04 02:39:18,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 02:39:18,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1424802506, now seen corresponding path program 1 times [2022-10-04 02:39:18,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 02:39:18,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318716330] [2022-10-04 02:39:18,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 02:39:18,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 02:39:18,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 02:39:18,552 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-04 02:39:18,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 02:39:18,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318716330] [2022-10-04 02:39:18,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318716330] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-04 02:39:18,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [816350522] [2022-10-04 02:39:18,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 02:39:18,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-04 02:39:18,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 02:39:18,577 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) [2022-10-04 02:39:18,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-04 02:39:18,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 02:39:18,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 35 conjunts are in the unsatisfiable core [2022-10-04 02:39:18,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-04 02:39:19,125 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-04 02:39:19,126 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-04 02:39:19,199 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-10-04 02:39:19,200 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 12 treesize of output 11 [2022-10-04 02:39:19,356 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-04 02:39:19,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [816350522] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-04 02:39:19,357 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-04 02:39:19,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16, 14] total 17 [2022-10-04 02:39:19,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461446712] [2022-10-04 02:39:19,364 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-04 02:39:19,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-10-04 02:39:19,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 02:39:19,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-10-04 02:39:19,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-10-04 02:39:19,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:39:19,367 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 02:39:19,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 24.294117647058822) internal successors, (413), 18 states have internal predecessors, (413), 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 02:39:19,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:39:19,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-04 02:39:19,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 02:39:19,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:39:34,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:39:34,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-04 02:39:34,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 02:39:34,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-10-04 02:39:34,118 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-04 02:39:34,310 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,SelfDestructingSolverStorable3 [2022-10-04 02:39:34,311 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-04 02:39:34,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 02:39:34,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1984810663, now seen corresponding path program 1 times [2022-10-04 02:39:34,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 02:39:34,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670782539] [2022-10-04 02:39:34,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 02:39:34,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 02:39:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 02:39:34,421 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-04 02:39:34,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 02:39:34,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670782539] [2022-10-04 02:39:34,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670782539] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 02:39:34,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 02:39:34,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-04 02:39:34,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364551937] [2022-10-04 02:39:34,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 02:39:34,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-04 02:39:34,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 02:39:34,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-04 02:39:34,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-04 02:39:34,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:39:34,424 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 02:39:34,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 110.5) internal successors, (442), 4 states have internal predecessors, (442), 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 02:39:34,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:39:34,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-04 02:39:34,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 02:39:34,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-10-04 02:39:34,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:39:48,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:39:48,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-04 02:39:48,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 02:39:48,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-10-04 02:39:48,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 02:39:48,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-04 02:39:48,850 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-04 02:39:48,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 02:39:48,851 INFO L85 PathProgramCache]: Analyzing trace with hash -103749879, now seen corresponding path program 1 times [2022-10-04 02:39:48,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 02:39:48,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624996587] [2022-10-04 02:39:48,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 02:39:48,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 02:39:48,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 02:39:49,198 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-04 02:39:49,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 02:39:49,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624996587] [2022-10-04 02:39:49,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624996587] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-04 02:39:49,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868561396] [2022-10-04 02:39:49,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 02:39:49,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-04 02:39:49,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 02:39:49,200 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) [2022-10-04 02:39:49,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-04 02:39:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 02:39:49,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 1065 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-04 02:39:49,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-04 02:39:49,591 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-04 02:39:49,592 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-04 02:39:49,769 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-04 02:39:49,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1868561396] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-04 02:39:49,770 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-04 02:39:49,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-10-04 02:39:49,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883394600] [2022-10-04 02:39:49,770 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-04 02:39:49,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-04 02:39:49,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 02:39:49,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-04 02:39:49,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-10-04 02:39:49,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:39:49,772 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 02:39:49,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 116.14285714285714) internal successors, (813), 7 states have internal predecessors, (813), 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 02:39:49,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:39:49,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-04 02:39:49,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 02:39:49,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-10-04 02:39:49,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 02:39:49,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:40:26,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:40:26,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-04 02:40:26,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 02:40:26,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-10-04 02:40:26,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 02:40:26,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-04 02:40:26,471 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-10-04 02:40:26,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-04 02:40:26,672 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-04 02:40:26,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 02:40:26,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1203291137, now seen corresponding path program 2 times [2022-10-04 02:40:26,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 02:40:26,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359356383] [2022-10-04 02:40:26,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 02:40:26,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 02:40:26,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 02:40:26,931 INFO L134 CoverageAnalysis]: Checked inductivity of 814 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2022-10-04 02:40:26,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 02:40:26,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359356383] [2022-10-04 02:40:26,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359356383] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 02:40:26,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 02:40:26,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-04 02:40:26,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443019754] [2022-10-04 02:40:26,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 02:40:26,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-04 02:40:26,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 02:40:26,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-04 02:40:26,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-04 02:40:26,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:40:26,934 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 02:40:26,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 90.8) internal successors, (454), 6 states have internal predecessors, (454), 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 02:40:26,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:40:26,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-04 02:40:26,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 02:40:26,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-10-04 02:40:26,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 02:40:26,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-04 02:40:26,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:41:13,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:41:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-04 02:41:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 02:41:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-10-04 02:41:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 02:41:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-04 02:41:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 02:41:13,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-04 02:41:13,569 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-04 02:41:13,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 02:41:13,569 INFO L85 PathProgramCache]: Analyzing trace with hash 804750943, now seen corresponding path program 1 times [2022-10-04 02:41:13,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 02:41:13,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512062128] [2022-10-04 02:41:13,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 02:41:13,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 02:41:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 02:41:14,347 INFO L134 CoverageAnalysis]: Checked inductivity of 5467 backedges. 1619 proven. 0 refuted. 0 times theorem prover too weak. 3848 trivial. 0 not checked. [2022-10-04 02:41:14,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 02:41:14,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512062128] [2022-10-04 02:41:14,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512062128] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 02:41:14,348 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 02:41:14,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-04 02:41:14,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947240972] [2022-10-04 02:41:14,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 02:41:14,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-04 02:41:14,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 02:41:14,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-04 02:41:14,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-04 02:41:14,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:41:14,350 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 02:41:14,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 165.75) internal successors, (663), 4 states have internal predecessors, (663), 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 02:41:14,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:41:14,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-04 02:41:14,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 02:41:14,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-10-04 02:41:14,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 02:41:14,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-04 02:41:14,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 02:41:14,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:42:05,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:42:05,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-04 02:42:05,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 02:42:05,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-10-04 02:42:05,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 02:42:05,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-04 02:42:05,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 02:42:05,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 02:42:05,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-04 02:42:05,660 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-04 02:42:05,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 02:42:05,661 INFO L85 PathProgramCache]: Analyzing trace with hash 2023898847, now seen corresponding path program 2 times [2022-10-04 02:42:05,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 02:42:05,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424731948] [2022-10-04 02:42:05,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 02:42:05,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 02:42:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 02:42:06,319 INFO L134 CoverageAnalysis]: Checked inductivity of 5467 backedges. 1572 proven. 0 refuted. 0 times theorem prover too weak. 3895 trivial. 0 not checked. [2022-10-04 02:42:06,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 02:42:06,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424731948] [2022-10-04 02:42:06,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424731948] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 02:42:06,324 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 02:42:06,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-04 02:42:06,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314999777] [2022-10-04 02:42:06,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 02:42:06,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-04 02:42:06,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 02:42:06,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-04 02:42:06,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-04 02:42:06,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:42:06,328 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 02:42:06,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 111.66666666666667) internal successors, (670), 6 states have internal predecessors, (670), 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 02:42:06,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:42:06,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-04 02:42:06,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 02:42:06,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-10-04 02:42:06,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 02:42:06,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-04 02:42:06,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 02:42:06,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 02:42:06,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:43:05,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:43:05,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-04 02:43:05,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 02:43:05,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-10-04 02:43:05,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 02:43:05,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-04 02:43:05,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 02:43:05,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 02:43:05,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-04 02:43:05,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-04 02:43:05,564 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-04 02:43:05,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 02:43:05,565 INFO L85 PathProgramCache]: Analyzing trace with hash 368797663, now seen corresponding path program 3 times [2022-10-04 02:43:05,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 02:43:05,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237376972] [2022-10-04 02:43:05,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 02:43:05,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 02:43:05,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 02:43:06,568 INFO L134 CoverageAnalysis]: Checked inductivity of 5467 backedges. 1518 proven. 0 refuted. 0 times theorem prover too weak. 3949 trivial. 0 not checked. [2022-10-04 02:43:06,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 02:43:06,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237376972] [2022-10-04 02:43:06,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237376972] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 02:43:06,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 02:43:06,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-04 02:43:06,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921950700] [2022-10-04 02:43:06,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 02:43:06,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-04 02:43:06,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 02:43:06,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-04 02:43:06,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-04 02:43:06,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:43:06,588 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 02:43:06,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 166.0) internal successors, (664), 4 states have internal predecessors, (664), 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 02:43:06,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:43:06,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-04 02:43:06,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 02:43:06,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-10-04 02:43:06,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 02:43:06,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-04 02:43:06,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 02:43:06,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 02:43:06,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-04 02:43:06,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:44:04,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:44:04,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-04 02:44:04,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 02:44:04,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-10-04 02:44:04,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 02:44:04,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-04 02:44:04,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 02:44:04,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 02:44:04,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-04 02:44:04,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 02:44:04,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-04 02:44:04,674 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-04 02:44:04,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 02:44:04,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1233125761, now seen corresponding path program 4 times [2022-10-04 02:44:04,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 02:44:04,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507482887] [2022-10-04 02:44:04,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 02:44:04,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 02:44:04,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 02:44:05,439 INFO L134 CoverageAnalysis]: Checked inductivity of 5467 backedges. 2541 proven. 0 refuted. 0 times theorem prover too weak. 2926 trivial. 0 not checked. [2022-10-04 02:44:05,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 02:44:05,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507482887] [2022-10-04 02:44:05,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507482887] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 02:44:05,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 02:44:05,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-04 02:44:05,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800072085] [2022-10-04 02:44:05,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 02:44:05,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-04 02:44:05,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 02:44:05,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-04 02:44:05,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-04 02:44:05,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:44:05,443 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 02:44:05,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 122.16666666666667) internal successors, (733), 6 states have internal predecessors, (733), 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 02:44:05,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:44:05,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-04 02:44:05,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 02:44:05,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-10-04 02:44:05,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 02:44:05,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-04 02:44:05,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 02:44:05,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 02:44:05,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-04 02:44:05,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 02:44:05,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:44:51,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:44:51,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-04 02:44:51,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 02:44:51,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-10-04 02:44:51,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 02:44:51,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-04 02:44:51,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 02:44:51,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 02:44:51,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-04 02:44:51,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 02:44:51,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-04 02:44:51,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-04 02:44:51,281 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-04 02:44:51,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 02:44:51,282 INFO L85 PathProgramCache]: Analyzing trace with hash 890548939, now seen corresponding path program 1 times [2022-10-04 02:44:51,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 02:44:51,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830893277] [2022-10-04 02:44:51,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 02:44:51,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 02:44:52,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 02:44:52,545 INFO L134 CoverageAnalysis]: Checked inductivity of 7038 backedges. 970 proven. 782 refuted. 0 times theorem prover too weak. 5286 trivial. 0 not checked. [2022-10-04 02:44:52,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 02:44:52,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830893277] [2022-10-04 02:44:52,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830893277] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-04 02:44:52,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1726697004] [2022-10-04 02:44:52,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 02:44:52,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-04 02:44:52,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 02:44:52,547 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) [2022-10-04 02:44:52,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-04 02:44:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 02:44:53,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 4253 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-04 02:44:53,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-04 02:44:53,993 INFO L134 CoverageAnalysis]: Checked inductivity of 7038 backedges. 970 proven. 782 refuted. 0 times theorem prover too weak. 5286 trivial. 0 not checked. [2022-10-04 02:44:53,993 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-04 02:44:54,567 INFO L134 CoverageAnalysis]: Checked inductivity of 7038 backedges. 970 proven. 782 refuted. 0 times theorem prover too weak. 5286 trivial. 0 not checked. [2022-10-04 02:44:54,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1726697004] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-04 02:44:54,567 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-04 02:44:54,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2022-10-04 02:44:54,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529081803] [2022-10-04 02:44:54,568 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-04 02:44:54,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-04 02:44:54,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 02:44:54,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-04 02:44:54,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-10-04 02:44:54,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:44:54,574 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 02:44:54,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 130.69230769230768) internal successors, (1699), 13 states have internal predecessors, (1699), 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 02:44:54,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:44:54,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-04 02:44:54,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 02:44:54,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-10-04 02:44:54,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 02:44:54,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-04 02:44:54,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 02:44:54,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 02:44:54,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-04 02:44:54,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 02:44:54,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-04 02:44:54,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:47:27,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:47:27,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-04 02:47:27,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 02:47:27,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-10-04 02:47:27,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 02:47:27,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-04 02:47:27,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 02:47:27,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 02:47:27,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-04 02:47:27,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 02:47:27,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-04 02:47:27,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-04 02:47:27,918 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-04 02:47:28,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-04 02:47:28,118 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-04 02:47:28,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 02:47:28,119 INFO L85 PathProgramCache]: Analyzing trace with hash -804163637, now seen corresponding path program 2 times [2022-10-04 02:47:28,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 02:47:28,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181986904] [2022-10-04 02:47:28,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 02:47:28,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 02:47:29,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 02:47:30,701 INFO L134 CoverageAnalysis]: Checked inductivity of 12087 backedges. 970 proven. 5825 refuted. 0 times theorem prover too weak. 5292 trivial. 0 not checked. [2022-10-04 02:47:30,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 02:47:30,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181986904] [2022-10-04 02:47:30,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181986904] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-04 02:47:30,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1648068164] [2022-10-04 02:47:30,702 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-04 02:47:30,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-04 02:47:30,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 02:47:30,720 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 02:47:30,749 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 02:47:31,569 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-04 02:47:31,569 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-04 02:47:31,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 5747 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-04 02:47:31,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-04 02:47:32,938 INFO L134 CoverageAnalysis]: Checked inductivity of 12087 backedges. 970 proven. 5825 refuted. 0 times theorem prover too weak. 5292 trivial. 0 not checked. [2022-10-04 02:47:32,939 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-04 02:47:34,084 INFO L134 CoverageAnalysis]: Checked inductivity of 12087 backedges. 970 proven. 5825 refuted. 0 times theorem prover too weak. 5292 trivial. 0 not checked. [2022-10-04 02:47:34,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1648068164] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-04 02:47:34,084 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-04 02:47:34,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 19 [2022-10-04 02:47:34,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124277523] [2022-10-04 02:47:34,085 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-04 02:47:34,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-10-04 02:47:34,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 02:47:34,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-10-04 02:47:34,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2022-10-04 02:47:34,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:47:34,090 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 02:47:34,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 136.1578947368421) internal successors, (2587), 19 states have internal predecessors, (2587), 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 02:47:34,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 02:47:34,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-04 02:47:34,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 02:47:34,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-10-04 02:47:34,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 02:47:34,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-04 02:47:34,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 02:47:34,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 02:47:34,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-04 02:47:34,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 02:47:34,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-04 02:47:34,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-10-04 02:47:34,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-10-04 02:48:21,653 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-10-04 02:48:21,660 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 [2022-10-04 02:48:21,660 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 [2022-10-04 02:48:21,660 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-10-04 02:48:21,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-10-04 02:48:21,842 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2022-10-04 02:48:21,845 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-04 02:48:21,912 INFO L444 BasicCegarLoop]: Path program histogram: [4, 2, 2, 1, 1, 1, 1, 1] [2022-10-04 02:48:21,914 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was TIMEOUT (1/3) [2022-10-04 02:48:21,916 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-04 02:48:21,916 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-04 02:48:21,918 INFO L202 PluginConnector]: Adding new model ring_2w1r-1.line889.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.10 02:48:21 BasicIcfg [2022-10-04 02:48:21,918 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-04 02:48:21,919 INFO L158 Benchmark]: Toolchain (without parser) took 565913.50ms. Allocated memory was 197.1MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 148.6MB in the beginning and 5.0GB in the end (delta: -4.9GB). Peak memory consumption was 3.8GB. Max. memory is 8.0GB. [2022-10-04 02:48:21,919 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.14ms. Allocated memory is still 197.1MB. Free memory is still 152.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-04 02:48:21,919 INFO L158 Benchmark]: Boogie Preprocessor took 64.73ms. Allocated memory is still 197.1MB. Free memory was 148.6MB in the beginning and 145.0MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-10-04 02:48:21,919 INFO L158 Benchmark]: RCFGBuilder took 741.09ms. Allocated memory is still 197.1MB. Free memory was 145.0MB in the beginning and 137.0MB in the end (delta: 8.0MB). Peak memory consumption was 10.1MB. Max. memory is 8.0GB. [2022-10-04 02:48:21,919 INFO L158 Benchmark]: TraceAbstraction took 565098.77ms. Allocated memory was 197.1MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 136.3MB in the beginning and 5.0GB in the end (delta: -4.9GB). Peak memory consumption was 3.8GB. Max. memory is 8.0GB. [2022-10-04 02:48:21,920 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 0.14ms. Allocated memory is still 197.1MB. Free memory is still 152.3MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 64.73ms. Allocated memory is still 197.1MB. Free memory was 148.6MB in the beginning and 145.0MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 741.09ms. Allocated memory is still 197.1MB. Free memory was 145.0MB in the beginning and 137.0MB in the end (delta: 8.0MB). Peak memory consumption was 10.1MB. Max. memory is 8.0GB. * TraceAbstraction took 565098.77ms. Allocated memory was 197.1MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 136.3MB in the beginning and 5.0GB in the end (delta: -4.9GB). Peak memory consumption was 3.8GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 138496, positive: 134509, positive conditional: 134509, positive unconditional: 0, negative: 3987, negative conditional: 3987, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 32737492, positive: 31616275, positive conditional: 31616275, positive unconditional: 0, negative: 1121217, negative conditional: 1121217, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 31680380, positive: 31616275, positive conditional: 0, positive unconditional: 31616275, negative: 64105, negative conditional: 0, negative unconditional: 64105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 42525, positive: 42368, positive conditional: 0, positive unconditional: 42368, negative: 157, negative conditional: 0, negative unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 31680380, positive: 31573907, positive conditional: 0, positive unconditional: 31573907, negative: 63948, negative conditional: 0, negative unconditional: 63948, unknown: 42525, unknown conditional: 0, unknown unconditional: 42525] , Statistics on independence cache: Total cache size (in pairs): 20819, Positive cache size: 20744, Positive conditional cache size: 0, Positive unconditional cache size: 20744, Negative cache size: 75, Negative conditional cache size: 0, Negative unconditional cache size: 75, Independence queries for same thread: 3660, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 130, positive: 128, positive conditional: 128, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 32737492, positive: 31616275, positive conditional: 31616275, positive unconditional: 0, negative: 1121217, negative conditional: 1121217, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 31680380, positive: 31616275, positive conditional: 0, positive unconditional: 31616275, negative: 64105, negative conditional: 0, negative unconditional: 64105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 42525, positive: 42368, positive conditional: 0, positive unconditional: 42368, negative: 157, negative conditional: 0, negative unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 31680380, positive: 31573907, positive conditional: 0, positive unconditional: 31573907, negative: 63948, negative conditional: 0, negative unconditional: 63948, unknown: 42525, unknown conditional: 0, unknown unconditional: 42525] , Statistics on independence cache: Total cache size (in pairs): 20841, Positive cache size: 20766, Positive conditional cache size: 0, Positive unconditional cache size: 20766, Negative cache size: 75, Negative conditional cache size: 0, Negative unconditional cache size: 75, Independence queries for same thread: 3662, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 518992, positive: 505054, positive conditional: 505054, positive unconditional: 0, negative: 13938, negative conditional: 13938, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 32737492, positive: 31616275, positive conditional: 31616275, positive unconditional: 0, negative: 1121217, negative conditional: 1121217, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 31680380, positive: 31616275, positive conditional: 0, positive unconditional: 31616275, negative: 64105, negative conditional: 0, negative unconditional: 64105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 42525, positive: 42368, positive conditional: 0, positive unconditional: 42368, negative: 157, negative conditional: 0, negative unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 31680380, positive: 31573907, positive conditional: 0, positive unconditional: 31573907, negative: 63948, negative conditional: 0, negative unconditional: 63948, unknown: 42525, unknown conditional: 0, unknown unconditional: 42525] , Statistics on independence cache: Total cache size (in pairs): 26822, Positive cache size: 26728, Positive conditional cache size: 0, Positive unconditional cache size: 26728, Negative cache size: 94, Negative conditional cache size: 0, Negative unconditional cache size: 94, Independence queries for same thread: 16433, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 875401, positive: 851584, positive conditional: 851584, positive unconditional: 0, negative: 23817, negative conditional: 23817, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 32737492, positive: 31616275, positive conditional: 31616275, positive unconditional: 0, negative: 1121217, negative conditional: 1121217, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 31680380, positive: 31616275, positive conditional: 0, positive unconditional: 31616275, negative: 64105, negative conditional: 0, negative unconditional: 64105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 42525, positive: 42368, positive conditional: 0, positive unconditional: 42368, negative: 157, negative conditional: 0, negative unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 31680380, positive: 31573907, positive conditional: 0, positive unconditional: 31573907, negative: 63948, negative conditional: 0, negative unconditional: 63948, unknown: 42525, unknown conditional: 0, unknown unconditional: 42525] , Statistics on independence cache: Total cache size (in pairs): 27354, Positive cache size: 27260, Positive conditional cache size: 0, Positive unconditional cache size: 27260, Negative cache size: 94, Negative conditional cache size: 0, Negative unconditional cache size: 94, Independence queries for same thread: 38467, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1157463, positive: 1125859, positive conditional: 1125859, positive unconditional: 0, negative: 31604, negative conditional: 31604, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 32737492, positive: 31616275, positive conditional: 31616275, positive unconditional: 0, negative: 1121217, negative conditional: 1121217, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 31680380, positive: 31616275, positive conditional: 0, positive unconditional: 31616275, negative: 64105, negative conditional: 0, negative unconditional: 64105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 42525, positive: 42368, positive conditional: 0, positive unconditional: 42368, negative: 157, negative conditional: 0, negative unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 31680380, positive: 31573907, positive conditional: 0, positive unconditional: 31573907, negative: 63948, negative conditional: 0, negative unconditional: 63948, unknown: 42525, unknown conditional: 0, unknown unconditional: 42525] , Statistics on independence cache: Total cache size (in pairs): 36370, Positive cache size: 36238, Positive conditional cache size: 0, Positive unconditional cache size: 36238, Negative cache size: 132, Negative conditional cache size: 0, Negative unconditional cache size: 132, Independence queries for same thread: 67814, Statistics for Abstraction: - StatisticsResult: Independence relation #6 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1341600, positive: 1303783, positive conditional: 1303783, positive unconditional: 0, negative: 37817, negative conditional: 37817, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 32737492, positive: 31616275, positive conditional: 31616275, positive unconditional: 0, negative: 1121217, negative conditional: 1121217, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 31680380, positive: 31616275, positive conditional: 0, positive unconditional: 31616275, negative: 64105, negative conditional: 0, negative unconditional: 64105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 42525, positive: 42368, positive conditional: 0, positive unconditional: 42368, negative: 157, negative conditional: 0, negative unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 31680380, positive: 31573907, positive conditional: 0, positive unconditional: 31573907, negative: 63948, negative conditional: 0, negative unconditional: 63948, unknown: 42525, unknown conditional: 0, unknown unconditional: 42525] , Statistics on independence cache: Total cache size (in pairs): 38008, Positive cache size: 37876, Positive conditional cache size: 0, Positive unconditional cache size: 37876, Negative cache size: 132, Negative conditional cache size: 0, Negative unconditional cache size: 132, Independence queries for same thread: 103130, Statistics for Abstraction: - StatisticsResult: Independence relation #7 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2949494, positive: 2865830, positive conditional: 2865830, positive unconditional: 0, negative: 83664, negative conditional: 83664, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 32737492, positive: 31616275, positive conditional: 31616275, positive unconditional: 0, negative: 1121217, negative conditional: 1121217, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 31680380, positive: 31616275, positive conditional: 0, positive unconditional: 31616275, negative: 64105, negative conditional: 0, negative unconditional: 64105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 42525, positive: 42368, positive conditional: 0, positive unconditional: 42368, negative: 157, negative conditional: 0, negative unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 31680380, positive: 31573907, positive conditional: 0, positive unconditional: 31573907, negative: 63948, negative conditional: 0, negative unconditional: 63948, unknown: 42525, unknown conditional: 0, unknown unconditional: 42525] , Statistics on independence cache: Total cache size (in pairs): 38008, Positive cache size: 37876, Positive conditional cache size: 0, Positive unconditional cache size: 37876, Negative cache size: 132, Negative conditional cache size: 0, Negative unconditional cache size: 132, Independence queries for same thread: 181625, Statistics for Abstraction: - StatisticsResult: Independence relation #8 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 3162741, positive: 3072198, positive conditional: 3072198, positive unconditional: 0, negative: 90543, negative conditional: 90543, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 32737492, positive: 31616275, positive conditional: 31616275, positive unconditional: 0, negative: 1121217, negative conditional: 1121217, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 31680380, positive: 31616275, positive conditional: 0, positive unconditional: 31616275, negative: 64105, negative conditional: 0, negative unconditional: 64105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 42525, positive: 42368, positive conditional: 0, positive unconditional: 42368, negative: 157, negative conditional: 0, negative unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 31680380, positive: 31573907, positive conditional: 0, positive unconditional: 31573907, negative: 63948, negative conditional: 0, negative unconditional: 63948, unknown: 42525, unknown conditional: 0, unknown unconditional: 42525] , Statistics on independence cache: Total cache size (in pairs): 38346, Positive cache size: 38206, Positive conditional cache size: 0, Positive unconditional cache size: 38206, Negative cache size: 140, Negative conditional cache size: 0, Negative unconditional cache size: 140, Independence queries for same thread: 266043, Statistics for Abstraction: - StatisticsResult: Independence relation #9 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 3568477, positive: 3439973, positive conditional: 3439973, positive unconditional: 0, negative: 128504, negative conditional: 128504, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 32737492, positive: 31616275, positive conditional: 31616275, positive unconditional: 0, negative: 1121217, negative conditional: 1121217, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 31680380, positive: 31616275, positive conditional: 0, positive unconditional: 31616275, negative: 64105, negative conditional: 0, negative unconditional: 64105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 42525, positive: 42368, positive conditional: 0, positive unconditional: 42368, negative: 157, negative conditional: 0, negative unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 31680380, positive: 31573907, positive conditional: 0, positive unconditional: 31573907, negative: 63948, negative conditional: 0, negative unconditional: 63948, unknown: 42525, unknown conditional: 0, unknown unconditional: 42525] , Statistics on independence cache: Total cache size (in pairs): 40530, Positive cache size: 40383, Positive conditional cache size: 0, Positive unconditional cache size: 40383, Negative cache size: 147, Negative conditional cache size: 0, Negative unconditional cache size: 147, Independence queries for same thread: 387867, Statistics for Abstraction: - StatisticsResult: Independence relation #10 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 3665999, positive: 3534222, positive conditional: 3534222, positive unconditional: 0, negative: 131777, negative conditional: 131777, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 32737492, positive: 31616275, positive conditional: 31616275, positive unconditional: 0, negative: 1121217, negative conditional: 1121217, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 31680380, positive: 31616275, positive conditional: 0, positive unconditional: 31616275, negative: 64105, negative conditional: 0, negative unconditional: 64105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 42525, positive: 42368, positive conditional: 0, positive unconditional: 42368, negative: 157, negative conditional: 0, negative unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 31680380, positive: 31573907, positive conditional: 0, positive unconditional: 31573907, negative: 63948, negative conditional: 0, negative unconditional: 63948, unknown: 42525, unknown conditional: 0, unknown unconditional: 42525] , Statistics on independence cache: Total cache size (in pairs): 41859, Positive cache size: 41706, Positive conditional cache size: 0, Positive unconditional cache size: 41706, Negative cache size: 153, Negative conditional cache size: 0, Negative unconditional cache size: 153, Independence queries for same thread: 512445, Statistics for Abstraction: - StatisticsResult: Independence relation #11 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 3648830, positive: 3517227, positive conditional: 3517227, positive unconditional: 0, negative: 131603, negative conditional: 131603, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 32737492, positive: 31616275, positive conditional: 31616275, positive unconditional: 0, negative: 1121217, negative conditional: 1121217, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 31680380, positive: 31616275, positive conditional: 0, positive unconditional: 31616275, negative: 64105, negative conditional: 0, negative unconditional: 64105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 42525, positive: 42368, positive conditional: 0, positive unconditional: 42368, negative: 157, negative conditional: 0, negative unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 31680380, positive: 31573907, positive conditional: 0, positive unconditional: 31573907, negative: 63948, negative conditional: 0, negative unconditional: 63948, unknown: 42525, unknown conditional: 0, unknown unconditional: 42525] , Statistics on independence cache: Total cache size (in pairs): 41859, Positive cache size: 41706, Positive conditional cache size: 0, Positive unconditional cache size: 41706, Negative cache size: 153, Negative conditional cache size: 0, Negative unconditional cache size: 153, Independence queries for same thread: 636878, Statistics for Abstraction: - StatisticsResult: Independence relation #12 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2667340, positive: 2576242, positive conditional: 2576242, positive unconditional: 0, negative: 91098, negative conditional: 91098, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 32737492, positive: 31616275, positive conditional: 31616275, positive unconditional: 0, negative: 1121217, negative conditional: 1121217, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 31680380, positive: 31616275, positive conditional: 0, positive unconditional: 31616275, negative: 64105, negative conditional: 0, negative unconditional: 64105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 42525, positive: 42368, positive conditional: 0, positive unconditional: 42368, negative: 157, negative conditional: 0, negative unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 31680380, positive: 31573907, positive conditional: 0, positive unconditional: 31573907, negative: 63948, negative conditional: 0, negative unconditional: 63948, unknown: 42525, unknown conditional: 0, unknown unconditional: 42525] , Statistics on independence cache: Total cache size (in pairs): 42525, Positive cache size: 42368, Positive conditional cache size: 0, Positive unconditional cache size: 42368, Negative cache size: 157, Negative conditional cache size: 0, Negative unconditional cache size: 157, Independence queries for same thread: 721610, Statistics for Abstraction: - StatisticsResult: Independence relation #13 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 6108209, positive: 5899289, positive conditional: 5899289, positive unconditional: 0, negative: 208920, negative conditional: 208920, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 32737492, positive: 31616275, positive conditional: 31616275, positive unconditional: 0, negative: 1121217, negative conditional: 1121217, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 31680380, positive: 31616275, positive conditional: 0, positive unconditional: 31616275, negative: 64105, negative conditional: 0, negative unconditional: 64105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 42525, positive: 42368, positive conditional: 0, positive unconditional: 42368, negative: 157, negative conditional: 0, negative unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 31680380, positive: 31573907, positive conditional: 0, positive unconditional: 31573907, negative: 63948, negative conditional: 0, negative unconditional: 63948, unknown: 42525, unknown conditional: 0, unknown unconditional: 42525] , Statistics on independence cache: Total cache size (in pairs): 42525, Positive cache size: 42368, Positive conditional cache size: 0, Positive unconditional cache size: 42368, Negative cache size: 157, Negative conditional cache size: 0, Negative unconditional cache size: 157, Independence queries for same thread: 917378, Statistics for Abstraction: - StatisticsResult: Independence relation #14 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2934320, positive: 2790377, positive conditional: 2790377, positive unconditional: 0, negative: 143943, negative conditional: 143943, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 32737492, positive: 31616275, positive conditional: 31616275, positive unconditional: 0, negative: 1121217, negative conditional: 1121217, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 31680380, positive: 31616275, positive conditional: 0, positive unconditional: 31616275, negative: 64105, negative conditional: 0, negative unconditional: 64105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 42525, positive: 42368, positive conditional: 0, positive unconditional: 42368, negative: 157, negative conditional: 0, negative unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 31680380, positive: 31573907, positive conditional: 0, positive unconditional: 31573907, negative: 63948, negative conditional: 0, negative unconditional: 63948, unknown: 42525, unknown conditional: 0, unknown unconditional: 42525] , Statistics on independence cache: Total cache size (in pairs): 42525, Positive cache size: 42368, Positive conditional cache size: 0, Positive unconditional cache size: 42368, Negative cache size: 157, Negative conditional cache size: 0, Negative unconditional cache size: 157, Independence queries for same thread: 1057112, Statistics for Abstraction: - TimeoutResultAtElement [Line: 889]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 5 procedures, 850 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 564.8s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 547.9s, 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: 129, 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: 0.5s SsaConstructionTime, 3.7s SatisfiabilityAnalysisTime, 10.1s InterpolantComputationTime, 20947 NumberOfCodeBlocks, 20947 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 26549 ConstructedInterpolants, 0 QuantifiedInterpolants, 43308 SizeOfPredicates, 17 NumberOfNonLiveVariables, 11917 ConjunctsInSsa, 56 ConjunctsInUnsatCore, 21 InterpolantComputations, 9 PerfectInterpolantSequences, 61062/80952 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