/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/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/queue-add-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-16 10:52:15,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-16 10:52:15,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-16 10:52:15,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-16 10:52:15,962 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-16 10:52:15,963 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-16 10:52:15,964 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-16 10:52:15,965 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-16 10:52:15,967 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-16 10:52:15,971 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-16 10:52:15,972 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-16 10:52:15,973 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-16 10:52:15,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-16 10:52:15,974 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-16 10:52:15,974 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-16 10:52:15,975 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-16 10:52:15,976 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-16 10:52:15,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-16 10:52:15,978 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-16 10:52:15,984 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-16 10:52:15,985 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-16 10:52:15,990 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-16 10:52:16,010 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-16 10:52:16,012 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-16 10:52:16,020 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-16 10:52:16,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-16 10:52:16,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-16 10:52:16,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-16 10:52:16,041 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy.epf [2022-02-16 10:52:16,067 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-16 10:52:16,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-16 10:52:16,067 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-16 10:52:16,067 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-16 10:52:16,068 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-16 10:52:16,068 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-16 10:52:16,069 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-16 10:52:16,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-16 10:52:16,069 INFO L138 SettingsManager]: * Use SBE=true [2022-02-16 10:52:16,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-16 10:52:16,070 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-16 10:52:16,070 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-16 10:52:16,070 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-16 10:52:16,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-16 10:52:16,070 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-16 10:52:16,070 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-16 10:52:16,070 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-16 10:52:16,071 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-16 10:52:16,071 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-16 10:52:16,071 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-16 10:52:16,071 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-16 10:52:16,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-16 10:52:16,071 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-16 10:52:16,071 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-16 10:52:16,072 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-16 10:52:16,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 10:52:16,073 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-16 10:52:16,073 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-16 10:52:16,073 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-16 10:52:16,073 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-16 10:52:16,073 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-16 10:52:16,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-16 10:52:16,073 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-16 10:52:16,074 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-16 10:52:16,074 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-16 10:52:16,074 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-16 10:52:16,074 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-16 10:52:16,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-16 10:52:16,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-16 10:52:16,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-16 10:52:16,306 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-16 10:52:16,309 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-16 10:52:16,310 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/queue-add-3.wvr.bpl [2022-02-16 10:52:16,310 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/queue-add-3.wvr.bpl' [2022-02-16 10:52:16,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-16 10:52:16,337 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-16 10:52:16,338 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-16 10:52:16,338 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-16 10:52:16,339 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-16 10:52:16,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 10:52:16" (1/1) ... [2022-02-16 10:52:16,352 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 10:52:16" (1/1) ... [2022-02-16 10:52:16,357 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-16 10:52:16,358 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-16 10:52:16,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-16 10:52:16,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-16 10:52:16,359 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-16 10:52:16,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 10:52:16" (1/1) ... [2022-02-16 10:52:16,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 10:52:16" (1/1) ... [2022-02-16 10:52:16,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 10:52:16" (1/1) ... [2022-02-16 10:52:16,365 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 10:52:16" (1/1) ... [2022-02-16 10:52:16,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 10:52:16" (1/1) ... [2022-02-16 10:52:16,370 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 10:52:16" (1/1) ... [2022-02-16 10:52:16,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 10:52:16" (1/1) ... [2022-02-16 10:52:16,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-16 10:52:16,373 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-16 10:52:16,373 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-16 10:52:16,373 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-16 10:52:16,375 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 10:52:16" (1/1) ... [2022-02-16 10:52:16,380 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 10:52:16,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 10:52:16,408 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) [2022-02-16 10:52:16,421 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 [2022-02-16 10:52:16,442 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-16 10:52:16,442 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-16 10:52:16,443 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-16 10:52:16,443 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-16 10:52:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-16 10:52:16,443 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-16 10:52:16,444 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-16 10:52:16,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-16 10:52:16,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-16 10:52:16,444 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-16 10:52:16,445 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-16 10:52:16,445 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-16 10:52:16,446 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-16 10:52:16,489 INFO L234 CfgBuilder]: Building ICFG [2022-02-16 10:52:16,490 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-16 10:52:16,583 INFO L275 CfgBuilder]: Performing block encoding [2022-02-16 10:52:16,616 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-16 10:52:16,616 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-16 10:52:16,635 INFO L202 PluginConnector]: Adding new model queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 10:52:16 BoogieIcfgContainer [2022-02-16 10:52:16,635 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-16 10:52:16,637 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-16 10:52:16,637 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-16 10:52:16,645 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-16 10:52:16,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 10:52:16" (1/2) ... [2022-02-16 10:52:16,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@388b2cf3 and model type queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 10:52:16, skipping insertion in model container [2022-02-16 10:52:16,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 10:52:16" (2/2) ... [2022-02-16 10:52:16,647 INFO L111 eAbstractionObserver]: Analyzing ICFG queue-add-3.wvr.bpl [2022-02-16 10:52:16,651 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-16 10:52:16,651 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-16 10:52:16,651 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-16 10:52:16,651 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-16 10:52:16,694 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-16 10:52:16,747 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-16 10:52:16,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 10:52:16,755 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) [2022-02-16 10:52:16,775 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 [2022-02-16 10:52:16,785 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-16 10:52:16,794 INFO L339 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, mLazyFiniteAutomaton=true, 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, mLoopAccelerationTechnique=FAST_UPR [2022-02-16 10:52:16,794 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-16 10:52:17,095 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3172 transitions and produced 1746 states. [2022-02-16 10:52:17,098 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 10:52:17,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 10:52:17,103 INFO L85 PathProgramCache]: Analyzing trace with hash -985483467, now seen corresponding path program 1 times [2022-02-16 10:52:17,112 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 10:52:17,112 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942563323] [2022-02-16 10:52:17,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 10:52:17,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 10:52:17,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 10:52:19,643 INFO L134 CoverageAnalysis]: Checked inductivity of 9724 backedges. 31 proven. 9538 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-02-16 10:52:19,644 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 10:52:19,644 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942563323] [2022-02-16 10:52:19,644 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942563323] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 10:52:19,645 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014513771] [2022-02-16 10:52:19,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 10:52:19,645 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 10:52:19,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 10:52:19,647 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) [2022-02-16 10:52:19,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-16 10:52:19,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 10:52:19,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 973 conjuncts, 30 conjunts are in the unsatisfiable core [2022-02-16 10:52:19,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 10:52:21,489 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2022-02-16 10:52:21,600 INFO L134 CoverageAnalysis]: Checked inductivity of 9724 backedges. 0 proven. 8503 refuted. 0 times theorem prover too weak. 1221 trivial. 0 not checked. [2022-02-16 10:52:21,600 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 10:52:22,330 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-02-16 10:52:22,331 INFO L387 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 14 treesize of output 13 [2022-02-16 10:52:22,674 INFO L134 CoverageAnalysis]: Checked inductivity of 9724 backedges. 12 proven. 8491 refuted. 0 times theorem prover too weak. 1221 trivial. 0 not checked. [2022-02-16 10:52:22,674 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014513771] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 10:52:22,674 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 10:52:22,675 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 16, 16] total 58 [2022-02-16 10:52:22,676 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700983281] [2022-02-16 10:52:22,677 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 10:52:22,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2022-02-16 10:52:22,684 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 10:52:22,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2022-02-16 10:52:22,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=3303, Unknown=0, NotChecked=0, Total=3422 [2022-02-16 10:52:22,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 10:52:22,707 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 10:52:22,710 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 7.11864406779661) internal successors, (420), 58 states have internal predecessors, (420), 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) [2022-02-16 10:52:22,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 10:52:28,247 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3960 transitions and produced 2354 states. [2022-02-16 10:52:28,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-02-16 10:52:28,266 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-16 10:52:28,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-02-16 10:52:28,449 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 10:52:28,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 10:52:28,450 INFO L85 PathProgramCache]: Analyzing trace with hash 203801777, now seen corresponding path program 2 times [2022-02-16 10:52:28,450 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 10:52:28,450 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78855967] [2022-02-16 10:52:28,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 10:52:28,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 10:52:28,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 10:52:30,859 INFO L134 CoverageAnalysis]: Checked inductivity of 20511 backedges. 38 proven. 20014 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2022-02-16 10:52:30,859 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 10:52:30,859 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78855967] [2022-02-16 10:52:30,860 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78855967] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 10:52:30,860 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [696943119] [2022-02-16 10:52:30,860 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-16 10:52:30,860 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 10:52:30,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 10:52:30,861 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) [2022-02-16 10:52:30,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-16 10:52:31,081 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-16 10:52:31,081 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 10:52:31,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 1394 conjuncts, 176 conjunts are in the unsatisfiable core [2022-02-16 10:52:31,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 10:52:32,665 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-16 10:52:32,695 INFO L134 CoverageAnalysis]: Checked inductivity of 20511 backedges. 38 proven. 20014 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2022-02-16 10:52:32,696 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 10:52:34,823 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-02-16 10:52:34,823 INFO L387 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 15 treesize of output 14 [2022-02-16 10:52:35,686 INFO L134 CoverageAnalysis]: Checked inductivity of 20511 backedges. 38 proven. 20014 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2022-02-16 10:52:35,686 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [696943119] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 10:52:35,686 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 10:52:35,687 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 62, 62] total 92 [2022-02-16 10:52:35,687 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707520443] [2022-02-16 10:52:35,687 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 10:52:35,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2022-02-16 10:52:35,689 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 10:52:35,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2022-02-16 10:52:35,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=8343, Unknown=0, NotChecked=0, Total=8556 [2022-02-16 10:52:35,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 10:52:35,692 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 10:52:35,693 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 7.064516129032258) internal successors, (657), 92 states have internal predecessors, (657), 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) [2022-02-16 10:52:35,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2022-02-16 10:52:35,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 10:52:41,474 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3372 transitions and produced 2316 states. [2022-02-16 10:52:41,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-02-16 10:52:41,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-02-16 10:52:41,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-16 10:52:41,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 10:52:41,676 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 10:52:41,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 10:52:41,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1466656848, now seen corresponding path program 3 times [2022-02-16 10:52:41,677 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 10:52:41,677 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358394753] [2022-02-16 10:52:41,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 10:52:41,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 10:52:42,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 10:52:45,420 INFO L134 CoverageAnalysis]: Checked inductivity of 30036 backedges. 38 proven. 29604 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2022-02-16 10:52:45,421 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 10:52:45,421 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358394753] [2022-02-16 10:52:45,421 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358394753] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 10:52:45,421 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318811458] [2022-02-16 10:52:45,421 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-16 10:52:45,422 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 10:52:45,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 10:52:45,428 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) [2022-02-16 10:52:45,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-16 10:52:45,906 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 119 check-sat command(s) [2022-02-16 10:52:45,906 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 10:52:45,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 1650 conjuncts, 34 conjunts are in the unsatisfiable core [2022-02-16 10:52:45,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 10:52:48,008 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2022-02-16 10:52:48,179 INFO L134 CoverageAnalysis]: Checked inductivity of 30036 backedges. 0 proven. 25298 refuted. 0 times theorem prover too weak. 4738 trivial. 0 not checked. [2022-02-16 10:52:48,180 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 10:52:49,216 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-02-16 10:52:49,216 INFO L387 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 14 treesize of output 13 [2022-02-16 10:52:49,782 INFO L134 CoverageAnalysis]: Checked inductivity of 30036 backedges. 66 proven. 25232 refuted. 0 times theorem prover too weak. 4738 trivial. 0 not checked. [2022-02-16 10:52:49,783 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1318811458] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 10:52:49,783 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 10:52:49,783 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [84, 19, 19] total 104 [2022-02-16 10:52:49,783 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274385053] [2022-02-16 10:52:49,783 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 10:52:49,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 105 states [2022-02-16 10:52:49,785 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 10:52:49,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2022-02-16 10:52:49,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=10709, Unknown=0, NotChecked=0, Total=10920 [2022-02-16 10:52:49,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 10:52:49,787 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 10:52:49,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 105 states, 105 states have (on average 6.438095238095238) internal successors, (676), 104 states have internal predecessors, (676), 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) [2022-02-16 10:52:49,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2022-02-16 10:52:49,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2022-02-16 10:52:49,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 10:53:06,995 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5584 transitions and produced 3317 states. [2022-02-16 10:53:06,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-02-16 10:53:06,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-02-16 10:53:06,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-02-16 10:53:07,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-16 10:53:07,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 10:53:07,225 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 10:53:07,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 10:53:07,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1834624754, now seen corresponding path program 4 times [2022-02-16 10:53:07,225 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 10:53:07,225 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288695369] [2022-02-16 10:53:07,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 10:53:07,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 10:53:07,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 10:53:12,870 INFO L134 CoverageAnalysis]: Checked inductivity of 43726 backedges. 52 proven. 43142 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2022-02-16 10:53:12,870 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 10:53:12,870 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288695369] [2022-02-16 10:53:12,871 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288695369] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 10:53:12,871 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [253584700] [2022-02-16 10:53:12,871 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-16 10:53:12,871 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 10:53:12,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 10:53:12,880 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) [2022-02-16 10:53:12,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-16 10:53:13,173 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-16 10:53:13,173 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 10:53:13,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 2026 conjuncts, 42 conjunts are in the unsatisfiable core [2022-02-16 10:53:13,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 10:53:16,177 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2022-02-16 10:53:16,377 INFO L134 CoverageAnalysis]: Checked inductivity of 43726 backedges. 0 proven. 35815 refuted. 0 times theorem prover too weak. 7911 trivial. 0 not checked. [2022-02-16 10:53:16,378 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 10:53:17,591 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-02-16 10:53:17,591 INFO L387 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 14 treesize of output 13 [2022-02-16 10:53:18,244 INFO L134 CoverageAnalysis]: Checked inductivity of 43726 backedges. 93 proven. 35722 refuted. 0 times theorem prover too weak. 7911 trivial. 0 not checked. [2022-02-16 10:53:18,245 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [253584700] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 10:53:18,245 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 10:53:18,245 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [106, 23, 23] total 130 [2022-02-16 10:53:18,245 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292769650] [2022-02-16 10:53:18,245 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 10:53:18,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 131 states [2022-02-16 10:53:18,247 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 10:53:18,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2022-02-16 10:53:18,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=16767, Unknown=0, NotChecked=0, Total=17030 [2022-02-16 10:53:18,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 10:53:18,252 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 10:53:18,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 131 states, 131 states have (on average 6.450381679389313) internal successors, (845), 130 states have internal predecessors, (845), 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) [2022-02-16 10:53:18,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2022-02-16 10:53:18,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2022-02-16 10:53:18,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-02-16 10:53:18,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 10:53:47,588 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 6838 transitions and produced 3969 states. [2022-02-16 10:53:47,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-02-16 10:53:47,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-02-16 10:53:47,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-02-16 10:53:47,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2022-02-16 10:53:47,615 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-16 10:53:47,789 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 10:53:47,790 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 10:53:47,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 10:53:47,790 INFO L85 PathProgramCache]: Analyzing trace with hash 689469310, now seen corresponding path program 5 times [2022-02-16 10:53:47,791 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 10:53:47,791 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776252688] [2022-02-16 10:53:47,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 10:53:47,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 10:53:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 10:53:55,448 INFO L134 CoverageAnalysis]: Checked inductivity of 60005 backedges. 66 proven. 59237 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2022-02-16 10:53:55,449 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 10:53:55,449 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776252688] [2022-02-16 10:53:55,449 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776252688] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 10:53:55,449 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877930201] [2022-02-16 10:53:55,449 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-16 10:53:55,449 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 10:53:55,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 10:53:55,450 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 10:53:55,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-16 10:53:56,308 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 171 check-sat command(s) [2022-02-16 10:53:56,308 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 10:53:56,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 2381 conjuncts, 50 conjunts are in the unsatisfiable core [2022-02-16 10:53:56,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 10:54:00,169 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2022-02-16 10:54:00,399 INFO L134 CoverageAnalysis]: Checked inductivity of 60005 backedges. 0 proven. 47910 refuted. 0 times theorem prover too weak. 12095 trivial. 0 not checked. [2022-02-16 10:54:00,399 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 10:54:01,703 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-02-16 10:54:01,704 INFO L387 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 14 treesize of output 13 [2022-02-16 10:54:02,598 INFO L134 CoverageAnalysis]: Checked inductivity of 60005 backedges. 120 proven. 47790 refuted. 0 times theorem prover too weak. 12095 trivial. 0 not checked. [2022-02-16 10:54:02,598 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1877930201] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 10:54:02,598 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 10:54:02,599 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [128, 27, 27] total 156 [2022-02-16 10:54:02,599 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615161242] [2022-02-16 10:54:02,599 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 10:54:02,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 157 states [2022-02-16 10:54:02,600 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 10:54:02,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 157 interpolants. [2022-02-16 10:54:02,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=315, Invalid=24177, Unknown=0, NotChecked=0, Total=24492 [2022-02-16 10:54:02,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 10:54:02,605 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 10:54:02,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 157 states, 157 states have (on average 6.45859872611465) internal successors, (1014), 156 states have internal predecessors, (1014), 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) [2022-02-16 10:54:02,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2022-02-16 10:54:02,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2022-02-16 10:54:02,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-02-16 10:54:02,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2022-02-16 10:54:02,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 10:54:49,295 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 8092 transitions and produced 4621 states. [2022-02-16 10:54:49,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-02-16 10:54:49,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-02-16 10:54:49,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-02-16 10:54:49,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2022-02-16 10:54:49,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2022-02-16 10:54:49,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-16 10:54:49,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 10:54:49,497 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 10:54:49,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 10:54:49,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1180624384, now seen corresponding path program 6 times [2022-02-16 10:54:49,497 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 10:54:49,498 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113878466] [2022-02-16 10:54:49,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 10:54:49,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 10:54:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 10:54:59,924 INFO L134 CoverageAnalysis]: Checked inductivity of 78873 backedges. 80 proven. 77889 refuted. 0 times theorem prover too weak. 904 trivial. 0 not checked. [2022-02-16 10:54:59,925 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 10:54:59,925 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113878466] [2022-02-16 10:54:59,925 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113878466] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 10:54:59,925 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143341729] [2022-02-16 10:54:59,925 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-16 10:54:59,925 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 10:54:59,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 10:54:59,928 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 10:54:59,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-16 10:55:00,910 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 181 check-sat command(s) [2022-02-16 10:55:00,911 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 10:55:00,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 2521 conjuncts, 110 conjunts are in the unsatisfiable core [2022-02-16 10:55:00,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 10:55:06,629 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-16 10:55:09,581 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-16 10:55:09,828 INFO L134 CoverageAnalysis]: Checked inductivity of 78873 backedges. 0 proven. 64153 refuted. 0 times theorem prover too weak. 14720 trivial. 0 not checked. [2022-02-16 10:55:09,828 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 10:55:12,830 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-16 10:55:12,831 INFO L387 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 15 treesize of output 19 [2022-02-16 10:55:17,815 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-16 10:55:17,815 INFO L387 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 23 treesize of output 27 [2022-02-16 10:55:18,847 INFO L134 CoverageAnalysis]: Checked inductivity of 78873 backedges. 0 proven. 64153 refuted. 0 times theorem prover too weak. 14720 trivial. 0 not checked. [2022-02-16 10:55:18,847 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2143341729] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 10:55:18,848 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 10:55:18,848 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [150, 55, 55] total 244 [2022-02-16 10:55:18,848 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558459801] [2022-02-16 10:55:18,848 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 10:55:18,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 245 states [2022-02-16 10:55:18,849 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 10:55:18,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 245 interpolants. [2022-02-16 10:55:18,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=566, Invalid=59214, Unknown=0, NotChecked=0, Total=59780 [2022-02-16 10:55:18,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 10:55:18,853 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 10:55:18,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 245 states, 245 states have (on average 6.069387755102041) internal successors, (1487), 244 states have internal predecessors, (1487), 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) [2022-02-16 10:55:18,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2022-02-16 10:55:18,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2022-02-16 10:55:18,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-02-16 10:55:18,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2022-02-16 10:55:18,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2022-02-16 10:55:18,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 10:56:27,043 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 9346 transitions and produced 5273 states. [2022-02-16 10:56:27,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-02-16 10:56:27,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-02-16 10:56:27,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-02-16 10:56:27,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2022-02-16 10:56:27,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2022-02-16 10:56:27,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-02-16 10:56:27,064 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-02-16 10:56:27,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 10:56:27,245 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 10:56:27,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 10:56:27,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1743371444, now seen corresponding path program 7 times [2022-02-16 10:56:27,245 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 10:56:27,245 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133770591] [2022-02-16 10:56:27,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 10:56:27,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 10:56:29,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 10:56:40,883 INFO L134 CoverageAnalysis]: Checked inductivity of 100330 backedges. 94 proven. 99098 refuted. 0 times theorem prover too weak. 1138 trivial. 0 not checked. [2022-02-16 10:56:40,884 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 10:56:40,884 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133770591] [2022-02-16 10:56:40,884 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133770591] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 10:56:40,884 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1032339613] [2022-02-16 10:56:40,884 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-16 10:56:40,884 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 10:56:40,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 10:56:40,886 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 10:56:40,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-16 10:56:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 10:56:41,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 3091 conjuncts, 66 conjunts are in the unsatisfiable core [2022-02-16 10:56:41,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 10:56:47,604 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2022-02-16 10:56:47,878 INFO L134 CoverageAnalysis]: Checked inductivity of 100330 backedges. 0 proven. 76834 refuted. 0 times theorem prover too weak. 23496 trivial. 0 not checked. [2022-02-16 10:56:47,878 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 10:56:49,609 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-02-16 10:56:49,609 INFO L387 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 14 treesize of output 13 [2022-02-16 10:56:51,069 INFO L134 CoverageAnalysis]: Checked inductivity of 100330 backedges. 174 proven. 76660 refuted. 0 times theorem prover too weak. 23496 trivial. 0 not checked. [2022-02-16 10:56:51,070 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1032339613] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 10:56:51,070 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 10:56:51,070 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [172, 35, 35] total 208 [2022-02-16 10:56:51,071 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298464968] [2022-02-16 10:56:51,071 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 10:56:51,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 209 states [2022-02-16 10:56:51,073 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 10:56:51,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 209 interpolants. [2022-02-16 10:56:51,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=419, Invalid=43053, Unknown=0, NotChecked=0, Total=43472 [2022-02-16 10:56:51,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 10:56:51,075 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 10:56:51,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 209 states, 209 states have (on average 6.4688995215311005) internal successors, (1352), 208 states have internal predecessors, (1352), 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) [2022-02-16 10:56:51,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2022-02-16 10:56:51,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2022-02-16 10:56:51,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-02-16 10:56:51,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2022-02-16 10:56:51,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2022-02-16 10:56:51,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-02-16 10:56:51,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 10:58:27,971 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 10600 transitions and produced 5925 states. [2022-02-16 10:58:27,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-02-16 10:58:27,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-02-16 10:58:27,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-02-16 10:58:27,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2022-02-16 10:58:27,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2022-02-16 10:58:27,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-02-16 10:58:27,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 242 states. [2022-02-16 10:58:27,991 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-16 10:58:28,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-02-16 10:58:28,173 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 10:58:28,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 10:58:28,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1951023374, now seen corresponding path program 8 times [2022-02-16 10:58:28,173 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 10:58:28,174 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696493064] [2022-02-16 10:58:28,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 10:58:28,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 10:58:30,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 10:58:45,030 INFO L134 CoverageAnalysis]: Checked inductivity of 124376 backedges. 108 proven. 122864 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2022-02-16 10:58:45,031 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 10:58:45,031 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696493064] [2022-02-16 10:58:45,031 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696493064] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 10:58:45,031 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [88872411] [2022-02-16 10:58:45,031 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-16 10:58:45,031 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 10:58:45,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 10:58:45,032 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 10:58:45,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-16 10:58:45,528 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-16 10:58:45,528 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 10:58:45,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 3446 conjuncts, 476 conjunts are in the unsatisfiable core [2022-02-16 10:58:45,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 10:58:48,809 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-16 10:58:48,839 INFO L134 CoverageAnalysis]: Checked inductivity of 124376 backedges. 108 proven. 122864 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2022-02-16 10:58:48,839 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 10:59:04,471 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-02-16 10:59:04,472 INFO L387 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 15 treesize of output 14 [2022-02-16 10:59:06,160 INFO L134 CoverageAnalysis]: Checked inductivity of 124376 backedges. 108 proven. 122864 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2022-02-16 10:59:06,160 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [88872411] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 10:59:06,160 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 10:59:06,161 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [194, 194, 194] total 290 [2022-02-16 10:59:06,161 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526599971] [2022-02-16 10:59:06,161 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 10:59:06,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 291 states [2022-02-16 10:59:06,163 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 10:59:06,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 291 interpolants. [2022-02-16 10:59:06,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=675, Invalid=83715, Unknown=0, NotChecked=0, Total=84390 [2022-02-16 10:59:06,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 10:59:06,166 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 10:59:06,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 291 states, 291 states have (on average 6.841924398625429) internal successors, (1991), 290 states have internal predecessors, (1991), 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) [2022-02-16 10:59:06,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2022-02-16 10:59:06,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2022-02-16 10:59:06,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-02-16 10:59:06,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2022-02-16 10:59:06,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2022-02-16 10:59:06,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-02-16 10:59:06,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 242 states. [2022-02-16 10:59:06,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:00:27,156 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 8088 transitions and produced 5232 states. [2022-02-16 11:00:27,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-02-16 11:00:27,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-02-16 11:00:27,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-02-16 11:00:27,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2022-02-16 11:00:27,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2022-02-16 11:00:27,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-02-16 11:00:27,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 242 states. [2022-02-16 11:00:27,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2022-02-16 11:00:27,179 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-02-16 11:00:27,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:00:27,358 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 11:00:27,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 11:00:27,359 INFO L85 PathProgramCache]: Analyzing trace with hash -588638850, now seen corresponding path program 9 times [2022-02-16 11:00:27,359 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 11:00:27,359 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980024109] [2022-02-16 11:00:27,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 11:00:27,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 11:00:30,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 11:00:48,140 INFO L134 CoverageAnalysis]: Checked inductivity of 147971 backedges. 108 proven. 146459 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2022-02-16 11:00:48,140 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 11:00:48,140 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980024109] [2022-02-16 11:00:48,141 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980024109] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 11:00:48,141 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [426096410] [2022-02-16 11:00:48,141 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-16 11:00:48,141 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:00:48,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 11:00:48,142 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 11:00:48,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-16 11:00:50,321 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 252 check-sat command(s) [2022-02-16 11:00:50,321 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 11:00:50,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 3629 conjuncts, 74 conjunts are in the unsatisfiable core [2022-02-16 11:00:50,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 11:00:58,619 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2022-02-16 11:00:58,956 INFO L134 CoverageAnalysis]: Checked inductivity of 147971 backedges. 0 proven. 107798 refuted. 0 times theorem prover too weak. 40173 trivial. 0 not checked. [2022-02-16 11:00:58,956 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 11:01:01,142 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-02-16 11:01:01,142 INFO L387 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 14 treesize of output 13 [2022-02-16 11:01:03,341 INFO L134 CoverageAnalysis]: Checked inductivity of 147971 backedges. 234 proven. 107564 refuted. 0 times theorem prover too weak. 40173 trivial. 0 not checked. [2022-02-16 11:01:03,342 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [426096410] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 11:01:03,342 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 11:01:03,342 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [216, 39, 39] total 256 [2022-02-16 11:01:03,342 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251139037] [2022-02-16 11:01:03,343 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 11:01:03,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 257 states [2022-02-16 11:01:03,344 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 11:01:03,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 257 interpolants. [2022-02-16 11:01:03,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=515, Invalid=65277, Unknown=0, NotChecked=0, Total=65792 [2022-02-16 11:01:03,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:01:03,348 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 11:01:03,348 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 257 states, 257 states have (on average 6.389105058365759) internal successors, (1642), 256 states have internal predecessors, (1642), 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) [2022-02-16 11:01:03,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2022-02-16 11:01:03,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2022-02-16 11:01:03,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-02-16 11:01:03,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2022-02-16 11:01:03,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2022-02-16 11:01:03,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-02-16 11:01:03,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 242 states. [2022-02-16 11:01:03,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2022-02-16 11:01:03,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:03:52,285 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 12250 transitions and produced 6908 states. [2022-02-16 11:03:52,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-02-16 11:03:52,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-02-16 11:03:52,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-02-16 11:03:52,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2022-02-16 11:03:52,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2022-02-16 11:03:52,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-02-16 11:03:52,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 242 states. [2022-02-16 11:03:52,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2022-02-16 11:03:52,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 294 states. [2022-02-16 11:03:52,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-16 11:03:52,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-02-16 11:03:52,487 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 11:03:52,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 11:03:52,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1726265472, now seen corresponding path program 10 times [2022-02-16 11:03:52,487 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 11:03:52,487 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318092697] [2022-02-16 11:03:52,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 11:03:52,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 11:03:56,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2022-02-16 11:04:11,252 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-16 11:04:11,254 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-16 11:04:11,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-16 11:04:11,255 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 1678 with TraceHistMax 290,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 0ms.. [2022-02-16 11:04:11,256 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-16 11:04:11,256 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-16 11:04:11,256 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-16 11:04:11,261 INFO L732 BasicCegarLoop]: Path program histogram: [10] [2022-02-16 11:04:11,262 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-16 11:04:11,262 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-16 11:04:11,265 INFO L202 PluginConnector]: Adding new model queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.02 11:04:11 BasicIcfg [2022-02-16 11:04:11,265 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-16 11:04:11,265 INFO L158 Benchmark]: Toolchain (without parser) took 714928.01ms. Allocated memory was 196.1MB in the beginning and 1.1GB in the end (delta: 864.0MB). Free memory was 158.4MB in the beginning and 543.5MB in the end (delta: -385.1MB). Peak memory consumption was 480.6MB. Max. memory is 8.0GB. [2022-02-16 11:04:11,266 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.15ms. Allocated memory is still 196.1MB. Free memory is still 159.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-16 11:04:11,266 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.79ms. Allocated memory is still 196.1MB. Free memory was 158.3MB in the beginning and 156.8MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-16 11:04:11,266 INFO L158 Benchmark]: Boogie Preprocessor took 13.17ms. Allocated memory is still 196.1MB. Free memory was 156.8MB in the beginning and 155.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-16 11:04:11,266 INFO L158 Benchmark]: RCFGBuilder took 262.88ms. Allocated memory is still 196.1MB. Free memory was 155.8MB in the beginning and 145.6MB in the end (delta: 10.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-16 11:04:11,267 INFO L158 Benchmark]: TraceAbstraction took 714628.24ms. Allocated memory was 196.1MB in the beginning and 1.1GB in the end (delta: 864.0MB). Free memory was 145.1MB in the beginning and 543.5MB in the end (delta: -398.3MB). Peak memory consumption was 466.0MB. Max. memory is 8.0GB. [2022-02-16 11:04:11,268 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 0.15ms. Allocated memory is still 196.1MB. Free memory is still 159.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.79ms. Allocated memory is still 196.1MB. Free memory was 158.3MB in the beginning and 156.8MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.17ms. Allocated memory is still 196.1MB. Free memory was 156.8MB in the beginning and 155.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 262.88ms. Allocated memory is still 196.1MB. Free memory was 155.8MB in the beginning and 145.6MB in the end (delta: 10.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 714628.24ms. Allocated memory was 196.1MB in the beginning and 1.1GB in the end (delta: 864.0MB). Free memory was 145.1MB in the beginning and 543.5MB in the end (delta: -398.3MB). Peak memory consumption was 466.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 88]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 1678 with TraceHistMax 290,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 0ms.. - TimeoutResultAtElement [Line: 81]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 1678 with TraceHistMax 290,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 0ms.. - TimeoutResultAtElement [Line: 81]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 1678 with TraceHistMax 290,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 0ms.. - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 1678 with TraceHistMax 290,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 0ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 63 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 714.5s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 10, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 519.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1521, 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: 0.6s SsaConstructionTime, 17.4s SatisfiabilityAnalysisTime, 155.3s InterpolantComputationTime, 17594 NumberOfCodeBlocks, 17449 NumberOfCodeBlocksAsserted, 739 NumberOfCheckSat, 26364 ConstructedInterpolants, 0 QuantifiedInterpolants, 203133 SizeOfPredicates, 48 NumberOfNonLiveVariables, 21111 ConjunctsInSsa, 1058 ConjunctsInUnsatCore, 27 InterpolantComputations, 0 PerfectInterpolantSequences, 221132/1846656 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