/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-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/parray-copy.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-bc289cb [2022-01-29 02:55:36,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-29 02:55:36,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-29 02:55:37,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-29 02:55:37,018 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-29 02:55:37,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-29 02:55:37,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-29 02:55:37,022 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-29 02:55:37,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-29 02:55:37,024 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-29 02:55:37,025 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-29 02:55:37,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-29 02:55:37,036 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-29 02:55:37,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-29 02:55:37,040 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-29 02:55:37,041 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-29 02:55:37,042 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-29 02:55:37,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-29 02:55:37,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-29 02:55:37,045 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-29 02:55:37,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-29 02:55:37,058 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-29 02:55:37,059 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-29 02:55:37,060 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-29 02:55:37,062 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-29 02:55:37,068 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-29 02:55:37,069 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-29 02:55:37,069 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-29 02:55:37,073 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-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2022-01-29 02:55:37,098 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-29 02:55:37,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-29 02:55:37,099 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-29 02:55:37,099 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-29 02:55:37,099 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-29 02:55:37,099 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-29 02:55:37,100 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-29 02:55:37,100 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-29 02:55:37,100 INFO L138 SettingsManager]: * Use SBE=true [2022-01-29 02:55:37,100 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-29 02:55:37,100 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-29 02:55:37,100 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-29 02:55:37,101 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-29 02:55:37,101 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-29 02:55:37,101 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-29 02:55:37,101 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-29 02:55:37,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-29 02:55:37,101 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-29 02:55:37,101 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-29 02:55:37,101 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-29 02:55:37,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-29 02:55:37,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-29 02:55:37,102 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-29 02:55:37,102 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-29 02:55:37,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-29 02:55:37,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-29 02:55:37,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-29 02:55:37,102 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-29 02:55:37,102 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-29 02:55:37,103 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-29 02:55:37,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-29 02:55:37,103 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-29 02:55:37,103 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-01-29 02:55:37,103 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-29 02:55:37,103 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-01-29 02:55:37,103 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-01-29 02:55:37,103 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-29 02:55:37,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-29 02:55:37,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-29 02:55:37,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-29 02:55:37,339 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-01-29 02:55:37,342 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-01-29 02:55:37,343 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/parray-copy.wvr.bpl [2022-01-29 02:55:37,343 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/parray-copy.wvr.bpl' [2022-01-29 02:55:37,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-29 02:55:37,371 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-29 02:55:37,372 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-29 02:55:37,372 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-29 02:55:37,373 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-29 02:55:37,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 02:55:37" (1/1) ... [2022-01-29 02:55:37,388 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 02:55:37" (1/1) ... [2022-01-29 02:55:37,392 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-01-29 02:55:37,393 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-29 02:55:37,394 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-29 02:55:37,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-29 02:55:37,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-29 02:55:37,399 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 02:55:37" (1/1) ... [2022-01-29 02:55:37,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 02:55:37" (1/1) ... [2022-01-29 02:55:37,400 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 02:55:37" (1/1) ... [2022-01-29 02:55:37,400 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 02:55:37" (1/1) ... [2022-01-29 02:55:37,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 02:55:37" (1/1) ... [2022-01-29 02:55:37,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 02:55:37" (1/1) ... [2022-01-29 02:55:37,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 02:55:37" (1/1) ... [2022-01-29 02:55:37,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-29 02:55:37,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-29 02:55:37,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-29 02:55:37,412 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-29 02:55:37,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 02:55:37" (1/1) ... [2022-01-29 02:55:37,418 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-29 02:55:37,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:55:37,437 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) [2022-01-29 02:55:37,456 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 [2022-01-29 02:55:37,469 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-01-29 02:55:37,469 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-29 02:55:37,469 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-29 02:55:37,469 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-01-29 02:55:37,469 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-29 02:55:37,469 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-29 02:55:37,469 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-01-29 02:55:37,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-29 02:55:37,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-29 02:55:37,470 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-01-29 02:55:37,470 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-01-29 02:55:37,470 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-01-29 02:55:37,471 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-29 02:55:37,519 INFO L234 CfgBuilder]: Building ICFG [2022-01-29 02:55:37,520 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-29 02:55:37,631 INFO L275 CfgBuilder]: Performing block encoding [2022-01-29 02:55:37,642 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-29 02:55:37,642 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-29 02:55:37,644 INFO L202 PluginConnector]: Adding new model parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:55:37 BoogieIcfgContainer [2022-01-29 02:55:37,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-29 02:55:37,645 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-29 02:55:37,646 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-29 02:55:37,654 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-29 02:55:37,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 02:55:37" (1/2) ... [2022-01-29 02:55:37,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6189511 and model type parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 02:55:37, skipping insertion in model container [2022-01-29 02:55:37,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:55:37" (2/2) ... [2022-01-29 02:55:37,657 INFO L111 eAbstractionObserver]: Analyzing ICFG parray-copy.wvr.bpl [2022-01-29 02:55:37,661 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-29 02:55:37,661 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-29 02:55:37,662 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-29 02:55:37,662 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-29 02:55:37,688 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-01-29 02:55:37,738 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-01-29 02:55:37,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:55:37,743 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) [2022-01-29 02:55:37,750 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 [2022-01-29 02:55:37,802 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-01-29 02:55:37,837 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, 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 [2022-01-29 02:55:37,837 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-01-29 02:55:37,972 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 02:55:37,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:55:37,980 INFO L85 PathProgramCache]: Analyzing trace with hash -343931833, now seen corresponding path program 1 times [2022-01-29 02:55:37,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:55:37,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555837606] [2022-01-29 02:55:37,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:55:37,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:55:38,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:55:38,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:55:38,171 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:55:38,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555837606] [2022-01-29 02:55:38,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555837606] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 02:55:38,172 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 02:55:38,172 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-29 02:55:38,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683045121] [2022-01-29 02:55:38,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 02:55:38,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-29 02:55:38,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:55:38,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-29 02:55:38,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-29 02:55:38,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:55:38,222 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:55:38,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2022-01-29 02:55:38,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:55:38,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:55:38,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-29 02:55:38,343 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 02:55:38,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:55:38,345 INFO L85 PathProgramCache]: Analyzing trace with hash 372996517, now seen corresponding path program 1 times [2022-01-29 02:55:38,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:55:38,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722145986] [2022-01-29 02:55:38,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:55:38,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:55:38,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:55:38,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 02:55:38,400 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:55:38,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722145986] [2022-01-29 02:55:38,400 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722145986] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 02:55:38,401 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 02:55:38,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-29 02:55:38,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748618010] [2022-01-29 02:55:38,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 02:55:38,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-29 02:55:38,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:55:38,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-29 02:55:38,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-29 02:55:38,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:55:38,403 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:55:38,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) [2022-01-29 02:55:38,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:55:38,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:55:38,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:55:38,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 02:55:38,445 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-29 02:55:38,445 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 02:55:38,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:55:38,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1890771325, now seen corresponding path program 1 times [2022-01-29 02:55:38,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:55:38,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313672099] [2022-01-29 02:55:38,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:55:38,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:55:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:55:38,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:55:38,767 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:55:38,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313672099] [2022-01-29 02:55:38,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313672099] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:55:38,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355763131] [2022-01-29 02:55:38,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:55:38,769 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:55:38,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:55:38,775 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) [2022-01-29 02:55:38,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-29 02:55:38,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:55:38,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 13 conjunts are in the unsatisfiable core [2022-01-29 02:55:38,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:55:39,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-01-29 02:55:39,307 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:55:39,307 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:55:39,347 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-01-29 02:55:39,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 12 [2022-01-29 02:55:39,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:55:39,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [355763131] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:55:39,627 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:55:39,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 10] total 24 [2022-01-29 02:55:39,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093134622] [2022-01-29 02:55:39,627 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:55:39,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-01-29 02:55:39,628 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:55:39,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-01-29 02:55:39,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=468, Unknown=0, NotChecked=0, Total=552 [2022-01-29 02:55:39,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:55:39,629 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:55:39,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.625) internal successors, (63), 24 states have internal predecessors, (63), 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) [2022-01-29 02:55:39,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:55:39,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 02:55:39,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:55:40,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:55:40,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 02:55:40,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:55:40,055 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-01-29 02:55:40,233 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,SelfDestructingSolverStorable2 [2022-01-29 02:55:40,234 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 02:55:40,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:55:40,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1517466849, now seen corresponding path program 2 times [2022-01-29 02:55:40,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:55:40,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168114702] [2022-01-29 02:55:40,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:55:40,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:55:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:55:40,326 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:55:40,326 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:55:40,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168114702] [2022-01-29 02:55:40,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168114702] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:55:40,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [691507322] [2022-01-29 02:55:40,327 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-29 02:55:40,327 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:55:40,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:55:40,329 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) [2022-01-29 02:55:40,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-29 02:55:40,362 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-29 02:55:40,362 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:55:40,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-29 02:55:40,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:55:40,505 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:55:40,505 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:55:40,664 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:55:40,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [691507322] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:55:40,665 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:55:40,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2022-01-29 02:55:40,665 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793149533] [2022-01-29 02:55:40,665 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:55:40,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-01-29 02:55:40,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:55:40,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-01-29 02:55:40,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2022-01-29 02:55:40,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:55:40,667 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:55:40,667 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 15 states have internal predecessors, (53), 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) [2022-01-29 02:55:40,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:55:40,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 02:55:40,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:55:40,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:55:40,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:55:40,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 02:55:40,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:55:40,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:55:40,972 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-29 02:55:41,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:55:41,147 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 02:55:41,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:55:41,148 INFO L85 PathProgramCache]: Analyzing trace with hash -303959523, now seen corresponding path program 1 times [2022-01-29 02:55:41,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:55:41,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652428656] [2022-01-29 02:55:41,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:55:41,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:55:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:55:41,214 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 02:55:41,214 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:55:41,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652428656] [2022-01-29 02:55:41,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652428656] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:55:41,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1654348480] [2022-01-29 02:55:41,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:55:41,215 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:55:41,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:55:41,216 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) [2022-01-29 02:55:41,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-29 02:55:41,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:55:41,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-29 02:55:41,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:55:41,414 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 02:55:41,415 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:55:41,546 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 02:55:41,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1654348480] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:55:41,547 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:55:41,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2022-01-29 02:55:41,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901011696] [2022-01-29 02:55:41,548 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:55:41,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-01-29 02:55:41,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:55:41,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-01-29 02:55:41,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2022-01-29 02:55:41,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:55:41,550 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:55:41,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 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) [2022-01-29 02:55:41,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:55:41,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 02:55:41,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:55:41,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:55:41,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:55:41,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:55:41,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 02:55:41,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:55:41,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:55:41,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:55:41,730 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-01-29 02:55:41,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:55:41,916 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 02:55:41,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:55:41,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1552468475, now seen corresponding path program 2 times [2022-01-29 02:55:41,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:55:41,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000267379] [2022-01-29 02:55:41,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:55:41,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:55:41,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:55:42,544 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:55:42,545 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:55:42,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000267379] [2022-01-29 02:55:42,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000267379] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:55:42,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [736078059] [2022-01-29 02:55:42,545 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-29 02:55:42,545 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:55:42,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:55:42,548 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) [2022-01-29 02:55:42,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-01-29 02:55:42,594 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-29 02:55:42,595 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:55:42,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 22 conjunts are in the unsatisfiable core [2022-01-29 02:55:42,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:55:42,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-01-29 02:55:42,839 INFO L354 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2022-01-29 02:55:42,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 18 [2022-01-29 02:55:42,991 INFO L354 Elim1Store]: treesize reduction 40, result has 21.6 percent of original size [2022-01-29 02:55:42,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 28 [2022-01-29 02:55:43,293 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-01-29 02:55:43,293 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:55:43,489 INFO L354 Elim1Store]: treesize reduction 15, result has 69.4 percent of original size [2022-01-29 02:55:43,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 22 treesize of output 48 [2022-01-29 02:55:43,951 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-01-29 02:55:43,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [736078059] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:55:43,952 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:55:43,952 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 11] total 32 [2022-01-29 02:55:43,952 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726518317] [2022-01-29 02:55:43,952 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:55:43,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-01-29 02:55:43,953 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:55:43,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-01-29 02:55:43,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=847, Unknown=0, NotChecked=0, Total=992 [2022-01-29 02:55:43,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:55:43,954 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:55:43,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 2.4375) internal successors, (78), 32 states have internal predecessors, (78), 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) [2022-01-29 02:55:43,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:55:43,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 02:55:43,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:55:43,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:55:43,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:55:43,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:55:45,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:55:45,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 02:55:45,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:55:45,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:55:45,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:55:45,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:55:45,633 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-01-29 02:55:45,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:55:45,818 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 02:55:45,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:55:45,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1276845163, now seen corresponding path program 3 times [2022-01-29 02:55:45,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:55:45,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495944720] [2022-01-29 02:55:45,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:55:45,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:55:45,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:55:45,930 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 02:55:45,930 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:55:45,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495944720] [2022-01-29 02:55:45,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495944720] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:55:45,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518055916] [2022-01-29 02:55:45,931 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-29 02:55:45,931 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:55:45,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:55:45,932 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) [2022-01-29 02:55:45,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-01-29 02:55:45,966 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-01-29 02:55:45,966 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:55:45,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjunts are in the unsatisfiable core [2022-01-29 02:55:45,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:55:46,113 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 02:55:46,113 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:55:46,272 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 02:55:46,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [518055916] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:55:46,272 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:55:46,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 22 [2022-01-29 02:55:46,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226517674] [2022-01-29 02:55:46,273 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:55:46,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-01-29 02:55:46,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:55:46,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-01-29 02:55:46,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=310, Unknown=0, NotChecked=0, Total=462 [2022-01-29 02:55:46,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:55:46,274 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:55:46,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.1818181818181817) internal successors, (70), 22 states have internal predecessors, (70), 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) [2022-01-29 02:55:46,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:55:46,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 02:55:46,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:55:46,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:55:46,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:55:46,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:55:46,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:55:46,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:55:46,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 02:55:46,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:55:46,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:55:46,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:55:46,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:55:46,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-29 02:55:46,503 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-01-29 02:55:46,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:55:46,672 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 02:55:46,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:55:46,673 INFO L85 PathProgramCache]: Analyzing trace with hash 689765747, now seen corresponding path program 4 times [2022-01-29 02:55:46,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:55:46,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924509922] [2022-01-29 02:55:46,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:55:46,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:55:46,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:55:47,703 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 1 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:55:47,703 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:55:47,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924509922] [2022-01-29 02:55:47,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924509922] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:55:47,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1650665023] [2022-01-29 02:55:47,704 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-29 02:55:47,704 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:55:47,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:55:47,705 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) [2022-01-29 02:55:47,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-01-29 02:55:47,751 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-29 02:55:47,751 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:55:47,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 39 conjunts are in the unsatisfiable core [2022-01-29 02:55:47,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:55:48,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-01-29 02:55:48,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-01-29 02:55:48,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 28 [2022-01-29 02:55:48,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 38 [2022-01-29 02:55:48,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:55:48,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:55:48,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:55:48,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:55:48,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 48 [2022-01-29 02:55:48,821 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:55:48,822 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:55:49,014 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:55:49,014 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:55:49,015 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:55:49,015 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:55:49,016 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:55:49,016 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:55:49,031 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-01-29 02:55:49,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 39 treesize of output 42 [2022-01-29 02:55:49,758 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 10 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:55:49,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1650665023] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:55:49,759 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:55:49,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 49 [2022-01-29 02:55:49,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7110944] [2022-01-29 02:55:49,759 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:55:49,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-01-29 02:55:49,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:55:49,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-01-29 02:55:49,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=413, Invalid=1939, Unknown=0, NotChecked=0, Total=2352 [2022-01-29 02:55:49,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:55:49,762 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:55:49,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 2.122448979591837) internal successors, (104), 49 states have internal predecessors, (104), 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) [2022-01-29 02:55:49,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:55:49,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 02:55:49,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:55:49,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:55:49,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:55:49,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:55:49,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-01-29 02:55:49,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:55:51,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:55:51,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 02:55:51,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:55:51,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:55:51,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:55:51,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:55:51,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-29 02:55:51,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:55:51,723 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-01-29 02:55:51,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:55:51,908 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 02:55:51,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:55:51,908 INFO L85 PathProgramCache]: Analyzing trace with hash 817240017, now seen corresponding path program 5 times [2022-01-29 02:55:51,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:55:51,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893654329] [2022-01-29 02:55:51,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:55:51,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:55:51,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:55:52,033 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:55:52,033 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:55:52,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893654329] [2022-01-29 02:55:52,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893654329] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:55:52,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [415128846] [2022-01-29 02:55:52,034 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-01-29 02:55:52,034 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:55:52,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:55:52,036 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) [2022-01-29 02:55:52,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-01-29 02:55:52,077 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2022-01-29 02:55:52,078 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:55:52,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 15 conjunts are in the unsatisfiable core [2022-01-29 02:55:52,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:55:52,352 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 25 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:55:52,352 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:55:52,668 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 25 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:55:52,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [415128846] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:55:52,669 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:55:52,669 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 39 [2022-01-29 02:55:52,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351824347] [2022-01-29 02:55:52,669 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:55:52,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-01-29 02:55:52,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:55:52,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-01-29 02:55:52,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=1219, Unknown=0, NotChecked=0, Total=1482 [2022-01-29 02:55:52,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:55:52,671 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:55:52,671 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 2.58974358974359) internal successors, (101), 39 states have internal predecessors, (101), 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) [2022-01-29 02:55:52,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:55:52,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 02:55:52,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:55:52,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:55:52,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:55:52,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:55:52,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-01-29 02:55:52,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:55:52,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:55:53,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:55:53,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 02:55:53,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:55:53,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:55:53,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:55:53,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:55:53,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-29 02:55:53,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:55:53,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 02:55:53,681 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-01-29 02:55:53,864 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,SelfDestructingSolverStorable8 [2022-01-29 02:55:53,864 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 02:55:53,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:55:53,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1557814541, now seen corresponding path program 6 times [2022-01-29 02:55:53,865 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:55:53,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059377908] [2022-01-29 02:55:53,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:55:53,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:55:53,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:55:54,008 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 02:55:54,008 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:55:54,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059377908] [2022-01-29 02:55:54,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059377908] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:55:54,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1944088121] [2022-01-29 02:55:54,009 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-01-29 02:55:54,009 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:55:54,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:55:54,010 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) [2022-01-29 02:55:54,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-01-29 02:55:54,053 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2022-01-29 02:55:54,054 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:55:54,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 15 conjunts are in the unsatisfiable core [2022-01-29 02:55:54,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:55:54,237 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 02:55:54,237 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:55:54,422 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 02:55:54,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1944088121] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:55:54,422 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:55:54,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 30 [2022-01-29 02:55:54,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089006167] [2022-01-29 02:55:54,422 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:55:54,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-01-29 02:55:54,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:55:54,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-01-29 02:55:54,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=275, Invalid=595, Unknown=0, NotChecked=0, Total=870 [2022-01-29 02:55:54,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:55:54,424 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:55:54,424 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 2.8666666666666667) internal successors, (86), 30 states have internal predecessors, (86), 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) [2022-01-29 02:55:54,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:55:54,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 02:55:54,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:55:54,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:55:54,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:55:54,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:55:54,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-01-29 02:55:54,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:55:54,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 02:55:54,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:55:54,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:55:54,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 02:55:54,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:55:54,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:55:54,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:55:54,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:55:54,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-29 02:55:54,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:55:54,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 02:55:54,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-01-29 02:55:54,730 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-01-29 02:55:54,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-01-29 02:55:54,903 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 02:55:54,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:55:54,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1547811051, now seen corresponding path program 7 times [2022-01-29 02:55:54,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:55:54,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595286991] [2022-01-29 02:55:54,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:55:54,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:55:54,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:55:56,379 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 4 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:55:56,380 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:55:56,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595286991] [2022-01-29 02:55:56,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595286991] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:55:56,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096564460] [2022-01-29 02:55:56,380 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-01-29 02:55:56,380 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:55:56,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:55:56,381 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) [2022-01-29 02:55:56,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-01-29 02:55:56,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:55:56,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 51 conjunts are in the unsatisfiable core [2022-01-29 02:55:56,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:55:56,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-01-29 02:55:57,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:55:57,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2022-01-29 02:55:57,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:55:57,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:55:57,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:55:57,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-01-29 02:55:57,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:55:57,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:55:57,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:55:57,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:55:57,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:55:57,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:55:57,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2022-01-29 02:55:57,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 48 [2022-01-29 02:55:57,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 58 [2022-01-29 02:55:57,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:55:57,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:55:57,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:55:57,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:55:57,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:55:57,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:55:57,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 68 [2022-01-29 02:55:57,764 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:55:57,764 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:55:58,067 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:55:58,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:55:58,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:55:58,069 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:55:58,069 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:55:58,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:55:58,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:55:58,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:55:58,071 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:55:58,071 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:55:58,072 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:55:58,072 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:55:58,073 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:55:58,073 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:55:58,073 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:55:58,159 INFO L354 Elim1Store]: treesize reduction 35, result has 72.0 percent of original size [2022-01-29 02:55:58,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 13 case distinctions, treesize of input 62 treesize of output 126 [2022-01-29 02:55:59,353 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 26 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:55:59,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1096564460] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:55:59,353 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:55:59,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 23, 23] total 64 [2022-01-29 02:55:59,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163931549] [2022-01-29 02:55:59,354 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:55:59,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2022-01-29 02:55:59,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:55:59,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2022-01-29 02:55:59,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=534, Invalid=3498, Unknown=0, NotChecked=0, Total=4032 [2022-01-29 02:55:59,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:55:59,357 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:55:59,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 2.078125) internal successors, (133), 64 states have internal predecessors, (133), 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) [2022-01-29 02:55:59,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:55:59,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 02:55:59,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:55:59,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:55:59,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:55:59,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:55:59,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-01-29 02:55:59,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:55:59,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 02:55:59,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-01-29 02:55:59,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:56:07,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:56:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 02:56:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:56:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:56:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:56:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:56:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-29 02:56:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:56:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 02:56:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-01-29 02:56:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-01-29 02:56:07,080 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-01-29 02:56:07,264 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,SelfDestructingSolverStorable10 [2022-01-29 02:56:07,265 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 02:56:07,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:56:07,265 INFO L85 PathProgramCache]: Analyzing trace with hash -579090009, now seen corresponding path program 8 times [2022-01-29 02:56:07,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:56:07,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068719224] [2022-01-29 02:56:07,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:56:07,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:56:07,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:56:08,874 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 11 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:56:08,874 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:56:08,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068719224] [2022-01-29 02:56:08,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068719224] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:56:08,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1680241062] [2022-01-29 02:56:08,874 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-29 02:56:08,875 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:56:08,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:56:08,876 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 02:56:08,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-01-29 02:56:08,919 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-29 02:56:08,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:56:08,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 57 conjunts are in the unsatisfiable core [2022-01-29 02:56:08,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:56:09,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-01-29 02:56:09,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-01-29 02:56:09,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:56:09,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:56:09,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 32 [2022-01-29 02:56:09,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 38 [2022-01-29 02:56:09,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 48 [2022-01-29 02:56:09,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:56:09,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:56:09,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:56:09,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:56:09,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:56:09,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 62 [2022-01-29 02:56:10,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 68 [2022-01-29 02:56:10,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:56:10,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:56:10,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:56:10,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:56:10,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:56:10,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:56:10,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:56:10,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 78 [2022-01-29 02:56:10,389 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:56:10,389 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:56:10,773 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:56:10,774 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:56:10,774 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:56:10,775 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:56:10,775 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:56:10,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:56:10,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:56:10,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:56:10,777 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:56:10,777 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:56:10,777 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:56:10,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:56:10,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:56:10,779 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:56:10,779 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:56:10,779 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:56:10,780 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:56:10,780 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:56:10,780 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:56:10,781 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:56:10,781 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:56:10,882 INFO L354 Elim1Store]: treesize reduction 40, result has 72.4 percent of original size [2022-01-29 02:56:10,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 21 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 15 case distinctions, treesize of input 71 treesize of output 146 [2022-01-29 02:56:12,285 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 37 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:56:12,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1680241062] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:56:12,286 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:56:12,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 25, 25] total 70 [2022-01-29 02:56:12,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301049906] [2022-01-29 02:56:12,286 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:56:12,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2022-01-29 02:56:12,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:56:12,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2022-01-29 02:56:12,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=631, Invalid=4199, Unknown=0, NotChecked=0, Total=4830 [2022-01-29 02:56:12,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:56:12,288 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:56:12,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 2.0714285714285716) internal successors, (145), 70 states have internal predecessors, (145), 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) [2022-01-29 02:56:12,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:56:12,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 02:56:12,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:56:12,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:56:12,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:56:12,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:56:12,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-01-29 02:56:12,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:56:12,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 02:56:12,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-01-29 02:56:12,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-01-29 02:56:12,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:56:20,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:56:20,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 02:56:20,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:56:20,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:56:20,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:56:20,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:56:20,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-29 02:56:20,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:56:20,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 02:56:20,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-01-29 02:56:20,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-01-29 02:56:20,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-01-29 02:56:20,216 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-01-29 02:56:20,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-01-29 02:56:20,407 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 02:56:20,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:56:20,408 INFO L85 PathProgramCache]: Analyzing trace with hash -2060518301, now seen corresponding path program 9 times [2022-01-29 02:56:20,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:56:20,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851906537] [2022-01-29 02:56:20,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:56:20,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:56:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:56:22,433 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 16 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:56:22,433 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:56:22,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851906537] [2022-01-29 02:56:22,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851906537] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:56:22,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [483429365] [2022-01-29 02:56:22,433 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-29 02:56:22,433 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:56:22,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:56:22,434 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 02:56:22,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-01-29 02:56:22,484 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2022-01-29 02:56:22,485 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:56:22,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 50 conjunts are in the unsatisfiable core [2022-01-29 02:56:22,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:56:22,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-01-29 02:56:22,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-01-29 02:56:22,916 INFO L354 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2022-01-29 02:56:22,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 32 [2022-01-29 02:56:22,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:56:22,998 INFO L354 Elim1Store]: treesize reduction 52, result has 17.5 percent of original size [2022-01-29 02:56:22,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 34 treesize of output 42 [2022-01-29 02:56:23,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:56:23,125 INFO L354 Elim1Store]: treesize reduction 106, result has 17.8 percent of original size [2022-01-29 02:56:23,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 41 treesize of output 52 [2022-01-29 02:56:23,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:56:23,321 INFO L354 Elim1Store]: treesize reduction 156, result has 15.2 percent of original size [2022-01-29 02:56:23,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 48 treesize of output 62 [2022-01-29 02:56:23,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:56:23,577 INFO L354 Elim1Store]: treesize reduction 214, result has 13.4 percent of original size [2022-01-29 02:56:23,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 19 case distinctions, treesize of input 55 treesize of output 72 [2022-01-29 02:56:23,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:56:23,938 INFO L354 Elim1Store]: treesize reduction 280, result has 11.9 percent of original size [2022-01-29 02:56:23,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 62 treesize of output 82 [2022-01-29 02:56:24,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:56:24,993 INFO L354 Elim1Store]: treesize reduction 354, result has 10.8 percent of original size [2022-01-29 02:56:24,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 2 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 34 case distinctions, treesize of input 69 treesize of output 92 [2022-01-29 02:56:39,916 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-01-29 02:56:39,916 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:57:17,722 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:57:17,752 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:57:17,810 INFO L244 Elim1Store]: Index analysis took 198 ms [2022-01-29 02:57:19,200 INFO L354 Elim1Store]: treesize reduction 44, result has 85.4 percent of original size [2022-01-29 02:57:19,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 3 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 34 case distinctions, treesize of input 55 treesize of output 290 [2022-01-29 02:57:23,641 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-01-29 02:57:23,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [483429365] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:57:23,642 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:57:23,642 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 18, 17] total 57 [2022-01-29 02:57:23,642 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511921134] [2022-01-29 02:57:23,642 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:57:23,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2022-01-29 02:57:23,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:57:23,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2022-01-29 02:57:23,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=494, Invalid=2685, Unknown=13, NotChecked=0, Total=3192 [2022-01-29 02:57:23,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:57:23,644 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:57:23,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 2.175438596491228) internal successors, (124), 57 states have internal predecessors, (124), 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) [2022-01-29 02:57:23,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:57:23,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 02:57:23,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:57:23,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:57:23,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:57:23,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:57:23,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-01-29 02:57:23,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:57:23,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 02:57:23,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-01-29 02:57:23,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-01-29 02:57:23,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-01-29 02:57:23,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:58:46,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:58:46,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 02:58:46,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:58:46,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:58:46,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:58:46,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:58:46,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-29 02:58:46,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:58:46,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 02:58:46,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-01-29 02:58:46,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-01-29 02:58:46,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-01-29 02:58:46,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-01-29 02:58:46,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-01-29 02:58:46,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-01-29 02:58:46,451 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 02:58:46,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:58:46,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1654212269, now seen corresponding path program 10 times [2022-01-29 02:58:46,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:58:46,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422962638] [2022-01-29 02:58:46,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:58:46,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:58:46,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:58:49,569 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 226 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:58:49,570 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:58:49,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422962638] [2022-01-29 02:58:49,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422962638] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:58:49,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2059570054] [2022-01-29 02:58:49,570 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-29 02:58:49,570 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:58:49,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:58:49,571 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 02:58:49,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-01-29 02:58:49,623 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-29 02:58:49,623 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:58:49,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 21 conjunts are in the unsatisfiable core [2022-01-29 02:58:49,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:58:55,137 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 200 proven. 81 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-01-29 02:58:55,137 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:58:58,586 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 200 proven. 81 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-01-29 02:58:58,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2059570054] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:58:58,586 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:58:58,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 22, 22] total 60 [2022-01-29 02:58:58,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332670695] [2022-01-29 02:58:58,586 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:58:58,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2022-01-29 02:58:58,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:58:58,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2022-01-29 02:58:58,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=564, Invalid=2976, Unknown=0, NotChecked=0, Total=3540 [2022-01-29 02:58:58,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:58:58,588 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:58:58,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 2.466666666666667) internal successors, (148), 60 states have internal predecessors, (148), 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) [2022-01-29 02:58:58,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:58:58,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 02:58:58,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:58:58,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:58:58,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:58:58,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:58:58,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-01-29 02:58:58,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:58:58,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 02:58:58,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-01-29 02:58:58,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-01-29 02:58:58,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-01-29 02:58:58,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-01-29 02:58:58,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:59:06,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:59:06,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 02:59:06,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:59:06,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:59:06,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:59:06,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:59:06,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-29 02:59:06,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:59:06,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 02:59:06,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-01-29 02:59:06,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-01-29 02:59:06,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-01-29 02:59:06,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-01-29 02:59:06,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-29 02:59:06,884 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-01-29 02:59:07,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-01-29 02:59:07,068 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 02:59:07,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:59:07,069 INFO L85 PathProgramCache]: Analyzing trace with hash 525261745, now seen corresponding path program 11 times [2022-01-29 02:59:07,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:59:07,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622831038] [2022-01-29 02:59:07,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:59:07,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:59:07,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:59:10,286 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 226 proven. 131 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:59:10,286 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:59:10,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622831038] [2022-01-29 02:59:10,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622831038] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:59:10,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538361394] [2022-01-29 02:59:10,287 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-01-29 02:59:10,287 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:59:10,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:59:10,288 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 02:59:10,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-01-29 02:59:10,352 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2022-01-29 02:59:10,352 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:59:10,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 29 conjunts are in the unsatisfiable core [2022-01-29 02:59:10,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:59:17,848 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 256 proven. 100 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 02:59:17,848 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:59:23,754 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 256 proven. 100 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 02:59:23,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538361394] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:59:23,754 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:59:23,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 30, 30] total 77 [2022-01-29 02:59:23,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166333405] [2022-01-29 02:59:23,754 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:59:23,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2022-01-29 02:59:23,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:59:23,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2022-01-29 02:59:23,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1044, Invalid=4808, Unknown=0, NotChecked=0, Total=5852 [2022-01-29 02:59:23,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:59:23,757 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:59:23,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 2.3636363636363638) internal successors, (182), 77 states have internal predecessors, (182), 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) [2022-01-29 02:59:23,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:59:23,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 02:59:23,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:59:23,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:59:23,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:59:23,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:59:23,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-01-29 02:59:23,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:59:23,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 02:59:23,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-01-29 02:59:23,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-01-29 02:59:23,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-01-29 02:59:23,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-01-29 02:59:23,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-01-29 02:59:23,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:59:34,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:59:34,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 02:59:34,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:59:34,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:59:34,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:59:34,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:59:34,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-29 02:59:34,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:59:34,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 02:59:34,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-01-29 02:59:34,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-01-29 02:59:34,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-01-29 02:59:34,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-01-29 02:59:34,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-29 02:59:34,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-29 02:59:34,967 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-01-29 02:59:35,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:59:35,150 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 02:59:35,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:59:35,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1796823619, now seen corresponding path program 12 times [2022-01-29 02:59:35,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:59:35,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452746875] [2022-01-29 02:59:35,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:59:35,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:59:35,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 03:00:12,277 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 196 proven. 350 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 03:00:12,277 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 03:00:12,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452746875] [2022-01-29 03:00:12,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452746875] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 03:00:12,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934069544] [2022-01-29 03:00:12,277 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-01-29 03:00:12,277 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 03:00:12,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 03:00:12,278 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 03:00:12,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-01-29 03:00:12,363 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2022-01-29 03:00:12,364 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 03:00:12,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 111 conjunts are in the unsatisfiable core [2022-01-29 03:00:12,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 03:00:23,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-01-29 03:00:24,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-01-29 03:00:25,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 28 [2022-01-29 03:00:26,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 38 [2022-01-29 03:00:26,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:26,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:26,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:26,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:26,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 52 [2022-01-29 03:00:27,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:27,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:27,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:27,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:27,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:27,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:27,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:27,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:27,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:27,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 66 [2022-01-29 03:00:28,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 68 [2022-01-29 03:00:29,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 78 [2022-01-29 03:00:30,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 88 [2022-01-29 03:00:31,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:31,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:31,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:31,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:31,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:31,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:31,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:31,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:31,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:31,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 102 [2022-01-29 03:00:32,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:32,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:32,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:32,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:32,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:32,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:32,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:32,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:32,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:32,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:32,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:32,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:32,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:32,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:32,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:32,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:32,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:32,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:32,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:32,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 116 [2022-01-29 03:00:33,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 118 [2022-01-29 03:00:35,584 INFO L354 Elim1Store]: treesize reduction 264, result has 18.8 percent of original size [2022-01-29 03:00:35,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 66 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 12 case distinctions, treesize of input 97 treesize of output 132 [2022-01-29 03:00:37,367 INFO L354 Elim1Store]: treesize reduction 412, result has 14.2 percent of original size [2022-01-29 03:00:37,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 66 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 25 case distinctions, treesize of input 108 treesize of output 146 [2022-01-29 03:00:39,240 INFO L354 Elim1Store]: treesize reduction 572, result has 11.6 percent of original size [2022-01-29 03:00:39,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 66 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 39 case distinctions, treesize of input 119 treesize of output 160 [2022-01-29 03:00:41,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:41,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:41,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:41,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:41,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:41,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:41,696 INFO L244 Elim1Store]: Index analysis took 513 ms [2022-01-29 03:00:42,416 INFO L354 Elim1Store]: treesize reduction 552, result has 10.0 percent of original size [2022-01-29 03:00:42,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 72 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 48 case distinctions, treesize of input 126 treesize of output 170 [2022-01-29 03:00:45,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:45,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:45,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:45,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:45,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:45,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:00:45,877 INFO L244 Elim1Store]: Index analysis took 656 ms [2022-01-29 03:00:46,904 INFO L354 Elim1Store]: treesize reduction 730, result has 10.6 percent of original size [2022-01-29 03:00:46,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 72 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 64 case distinctions, treesize of input 133 treesize of output 180 [2022-01-29 03:00:50,986 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 13 proven. 533 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 03:00:50,986 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 03:01:05,824 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:01:05,825 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:01:05,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:01:05,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:01:05,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:01:05,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:01:10,824 INFO L354 Elim1Store]: treesize reduction 922, result has 37.3 percent of original size [2022-01-29 03:01:10,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 7 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 130 case distinctions, treesize of input 143 treesize of output 630 [2022-01-29 03:01:45,172 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 132 proven. 414 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 03:01:45,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1934069544] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 03:01:45,173 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 03:01:45,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45, 45] total 126 [2022-01-29 03:01:45,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811200873] [2022-01-29 03:01:45,173 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 03:01:45,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 126 states [2022-01-29 03:01:45,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 03:01:45,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants. [2022-01-29 03:01:45,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1844, Invalid=13906, Unknown=0, NotChecked=0, Total=15750 [2022-01-29 03:01:45,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 03:01:45,178 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 03:01:45,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 126 states, 126 states have (on average 1.9761904761904763) internal successors, (249), 126 states have internal predecessors, (249), 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) [2022-01-29 03:01:45,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-29 03:01:45,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 03:01:45,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 03:01:45,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 03:01:45,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 03:01:45,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 03:01:45,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-01-29 03:01:45,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-01-29 03:01:45,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 03:01:45,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-01-29 03:01:45,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-01-29 03:01:45,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-01-29 03:01:45,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-01-29 03:01:45,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-01-29 03:01:45,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2022-01-29 03:01:45,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 03:04:46,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-29 03:04:46,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 03:04:46,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 03:04:46,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 03:04:46,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 03:04:46,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 03:04:46,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-29 03:04:46,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-29 03:04:46,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 03:04:46,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-01-29 03:04:46,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-01-29 03:04:46,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-01-29 03:04:46,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-01-29 03:04:46,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-29 03:04:46,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-29 03:04:46,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2022-01-29 03:04:46,956 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2022-01-29 03:04:47,140 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-01-29 03:04:47,140 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 03:04:47,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 03:04:47,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1880506625, now seen corresponding path program 13 times [2022-01-29 03:04:47,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 03:04:47,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850954005] [2022-01-29 03:04:47,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 03:04:47,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 03:04:47,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 03:05:25,469 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 117 proven. 497 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 03:05:25,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 03:05:25,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850954005] [2022-01-29 03:05:25,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850954005] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 03:05:25,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1940019430] [2022-01-29 03:05:25,469 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-01-29 03:05:25,469 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 03:05:25,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 03:05:25,470 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 03:05:25,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-01-29 03:05:25,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 03:05:25,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 117 conjunts are in the unsatisfiable core [2022-01-29 03:05:25,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 03:05:37,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-01-29 03:05:38,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:38,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2022-01-29 03:05:38,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 28 [2022-01-29 03:05:39,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 38 [2022-01-29 03:05:40,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:40,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:40,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:40,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:40,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 52 [2022-01-29 03:05:41,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:41,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:41,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:41,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:41,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:41,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:41,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:41,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:41,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:41,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 66 [2022-01-29 03:05:41,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 68 [2022-01-29 03:05:42,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:42,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:42,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:42,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:42,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:42,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:42,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:42,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 82 [2022-01-29 03:05:43,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:43,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:43,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:43,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:43,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:43,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:43,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:43,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:43,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:43,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:43,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:43,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:43,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:43,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:43,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:43,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 96 [2022-01-29 03:05:44,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 98 [2022-01-29 03:05:45,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 108 [2022-01-29 03:05:46,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 118 [2022-01-29 03:05:47,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:47,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:47,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:47,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:47,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:47,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:47,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:47,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:47,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:47,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:47,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:47,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:47,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 132 [2022-01-29 03:05:48,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:48,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:48,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:48,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:48,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:48,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:48,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:48,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:48,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:48,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:48,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:48,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:48,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:48,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:48,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:48,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:49,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:49,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:49,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:49,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:49,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:49,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:49,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:49,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:49,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:49,044 INFO L244 Elim1Store]: Index analysis took 131 ms [2022-01-29 03:05:49,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 146 [2022-01-29 03:05:50,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 148 [2022-01-29 03:05:51,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:51,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:51,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:51,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:51,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:51,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:51,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:51,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:51,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:51,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:51,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:51,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:51,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:51,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:51,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:51,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 162 [2022-01-29 03:05:53,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 168 [2022-01-29 03:05:55,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:55,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:55,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:55,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:55,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:55,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:55,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:55,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:55,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:55,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:55,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:55,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:55,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:55,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:55,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:55,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:55,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:05:55,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 178 [2022-01-29 03:05:58,012 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 0 proven. 614 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 03:05:58,012 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 03:06:09,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,798 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,798 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,800 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,800 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,800 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,801 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,801 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,802 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,802 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,802 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,804 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,804 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,804 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,805 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,805 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,805 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,807 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,807 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,807 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,811 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,811 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,811 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,813 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,813 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,813 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,814 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,814 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,815 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,815 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,815 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,818 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,818 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,819 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,819 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,819 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,822 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,822 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,823 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,823 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,823 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,824 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,824 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,824 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,825 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,825 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,825 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,826 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,826 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,827 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,827 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,827 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,828 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,828 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,828 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,832 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,832 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,833 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,833 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,833 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,835 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,835 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,835 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,836 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,836 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,837 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,837 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,839 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,839 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,840 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,840 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,840 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,841 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,841 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,846 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,846 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:09,846 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:06:11,744 INFO L354 Elim1Store]: treesize reduction 90, result has 73.9 percent of original size [2022-01-29 03:06:11,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 136 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 35 case distinctions, treesize of input 161 treesize of output 346 [2022-01-29 03:08:05,956 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 257 proven. 357 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 03:08:05,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1940019430] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 03:08:05,956 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 03:08:05,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 45, 45] total 130 [2022-01-29 03:08:05,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138524409] [2022-01-29 03:08:05,957 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 03:08:05,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 130 states [2022-01-29 03:08:05,957 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 03:08:05,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2022-01-29 03:08:05,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2069, Invalid=14701, Unknown=0, NotChecked=0, Total=16770 [2022-01-29 03:08:05,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 03:08:05,961 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 03:08:05,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 130 states, 130 states have (on average 2.0384615384615383) internal successors, (265), 130 states have internal predecessors, (265), 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) [2022-01-29 03:08:05,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-29 03:08:05,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 03:08:05,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 03:08:05,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 03:08:05,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 03:08:05,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 03:08:05,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-01-29 03:08:05,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-01-29 03:08:05,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 03:08:05,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-01-29 03:08:05,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-01-29 03:08:05,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-01-29 03:08:05,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-01-29 03:08:05,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-01-29 03:08:05,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2022-01-29 03:08:05,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2022-01-29 03:08:05,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-01-29 03:09:42,614 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-29 03:09:42,614 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-29 03:09:42,614 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-01-29 03:09:42,615 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-29 03:09:42,785 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-01-29 03:09:42,786 WARN L594 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 199 known predicates. [2022-01-29 03:09:42,788 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-01-29 03:09:42,788 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-01-29 03:09:42,788 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-01-29 03:09:42,788 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-01-29 03:09:42,796 INFO L732 BasicCegarLoop]: Path program histogram: [13, 2, 1, 1] [2022-01-29 03:09:42,797 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-29 03:09:42,798 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-29 03:09:42,800 INFO L202 PluginConnector]: Adding new model parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 03:09:42 BasicIcfg [2022-01-29 03:09:42,800 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-29 03:09:42,801 INFO L158 Benchmark]: Toolchain (without parser) took 845429.72ms. Allocated memory was 206.6MB in the beginning and 478.2MB in the end (delta: 271.6MB). Free memory was 165.3MB in the beginning and 335.1MB in the end (delta: -169.8MB). Peak memory consumption was 104.3MB. Max. memory is 8.0GB. [2022-01-29 03:09:42,801 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 206.6MB. Free memory is still 166.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-29 03:09:42,801 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.71ms. Allocated memory is still 206.6MB. Free memory was 165.2MB in the beginning and 163.6MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-29 03:09:42,801 INFO L158 Benchmark]: Boogie Preprocessor took 14.62ms. Allocated memory is still 206.6MB. Free memory was 163.6MB in the beginning and 162.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-29 03:09:42,801 INFO L158 Benchmark]: RCFGBuilder took 232.86ms. Allocated memory is still 206.6MB. Free memory was 162.6MB in the beginning and 153.5MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-01-29 03:09:42,801 INFO L158 Benchmark]: TraceAbstraction took 845154.71ms. Allocated memory was 206.6MB in the beginning and 478.2MB in the end (delta: 271.6MB). Free memory was 153.0MB in the beginning and 335.1MB in the end (delta: -182.0MB). Peak memory consumption was 90.6MB. Max. memory is 8.0GB. [2022-01-29 03:09:42,804 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 0.12ms. Allocated memory is still 206.6MB. Free memory is still 166.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.71ms. Allocated memory is still 206.6MB. Free memory was 165.2MB in the beginning and 163.6MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.62ms. Allocated memory is still 206.6MB. Free memory was 163.6MB in the beginning and 162.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 232.86ms. Allocated memory is still 206.6MB. Free memory was 162.6MB in the beginning and 153.5MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 845154.71ms. Allocated memory was 206.6MB in the beginning and 478.2MB in the end (delta: 271.6MB). Free memory was 153.0MB in the beginning and 335.1MB in the end (delta: -182.0MB). Peak memory consumption was 90.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6309, positive: 5106, positive conditional: 4889, positive unconditional: 217, negative: 1203, negative conditional: 1203, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5106, positive: 5106, positive conditional: 4889, positive unconditional: 217, 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: 5106, positive: 5106, positive conditional: 4889, positive unconditional: 217, 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: 5106, positive: 5106, positive conditional: 4829, positive unconditional: 277, 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: 5106, positive: 5106, positive conditional: 4733, positive unconditional: 373, 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: 5106, positive: 5106, positive conditional: 4733, positive unconditional: 373, 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: 213, positive: 213, positive conditional: 0, positive unconditional: 213, 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: 213, positive: 210, positive conditional: 0, positive unconditional: 210, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 46, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5106, positive: 4893, positive conditional: 4733, positive unconditional: 160, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 213, unknown conditional: 0, unknown unconditional: 213] , Statistics on independence cache: Total cache size (in pairs): 213, Positive cache size: 213, Positive conditional cache size: 0, Positive unconditional cache size: 213, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 96, Maximal queried relation: 0, Independence queries for same thread: 1203 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 23, Number of trivial persistent sets: 12, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 217, positive: 217, positive conditional: 0, positive unconditional: 217, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6309, positive: 5106, positive conditional: 4889, positive unconditional: 217, negative: 1203, negative conditional: 1203, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5106, positive: 5106, positive conditional: 4889, positive unconditional: 217, 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: 5106, positive: 5106, positive conditional: 4889, positive unconditional: 217, 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: 5106, positive: 5106, positive conditional: 4829, positive unconditional: 277, 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: 5106, positive: 5106, positive conditional: 4733, positive unconditional: 373, 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: 5106, positive: 5106, positive conditional: 4733, positive unconditional: 373, 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: 213, positive: 213, positive conditional: 0, positive unconditional: 213, 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: 213, positive: 210, positive conditional: 0, positive unconditional: 210, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 46, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5106, positive: 4893, positive conditional: 4733, positive unconditional: 160, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 213, unknown conditional: 0, unknown unconditional: 213] , Statistics on independence cache: Total cache size (in pairs): 213, Positive cache size: 213, Positive conditional cache size: 0, Positive unconditional cache size: 213, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 96, Maximal queried relation: 0, Independence queries for same thread: 1203 - 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: 67]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 199 known predicates. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 199 known predicates. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 199 known predicates. - TimeoutResultAtElement [Line: 61]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 199 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 44 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 845.1s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 13, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 402.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 705, 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: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 438.2s InterpolantComputationTime, 1562 NumberOfCodeBlocks, 1560 NumberOfCodeBlocksAsserted, 92 NumberOfCheckSat, 2275 ConstructedInterpolants, 98 QuantifiedInterpolants, 73344 SizeOfPredicates, 154 NumberOfNonLiveVariables, 2034 ConjunctsInSsa, 565 ConjunctsInUnsatCore, 47 InterpolantComputations, 2 PerfectInterpolantSequences, 2711/7297 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