/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-02 03:53:29,298 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-02 03:53:29,300 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-02 03:53:29,347 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-02 03:53:29,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-02 03:53:29,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-02 03:53:29,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-02 03:53:29,368 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-02 03:53:29,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-02 03:53:29,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-02 03:53:29,370 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-02 03:53:29,371 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-02 03:53:29,372 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-02 03:53:29,377 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-02 03:53:29,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-02 03:53:29,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-02 03:53:29,379 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-02 03:53:29,387 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-02 03:53:29,387 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-02 03:53:29,398 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-02 03:53:29,399 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-03-02 03:53:29,426 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-02 03:53:29,426 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-02 03:53:29,427 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-02 03:53:29,427 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-02 03:53:29,428 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-02 03:53:29,428 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-02 03:53:29,428 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-02 03:53:29,428 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-02 03:53:29,428 INFO L138 SettingsManager]: * Use SBE=true [2022-03-02 03:53:29,428 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-02 03:53:29,429 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-02 03:53:29,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-02 03:53:29,429 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-02 03:53:29,429 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-02 03:53:29,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-02 03:53:29,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-02 03:53:29,430 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-02 03:53:29,430 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-02 03:53:29,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-02 03:53:29,430 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-02 03:53:29,430 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-02 03:53:29,430 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-02 03:53:29,430 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-02 03:53:29,430 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-02 03:53:29,430 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-02 03:53:29,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 03:53:29,430 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-02 03:53:29,431 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-02 03:53:29,431 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-02 03:53:29,431 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-02 03:53:29,431 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-02 03:53:29,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-02 03:53:29,431 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-02 03:53:29,431 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-02 03:53:29,431 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-02 03:53:29,431 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-02 03:53:29,431 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-02 03:53:29,432 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-02 03:53:29,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-02 03:53:29,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-02 03:53:29,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-02 03:53:29,650 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-02 03:53:29,651 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-02 03:53:29,651 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl [2022-03-02 03:53:29,652 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl' [2022-03-02 03:53:29,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-02 03:53:29,671 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-02 03:53:29,671 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-02 03:53:29,671 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-02 03:53:29,672 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-02 03:53:29,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:53:29" (1/1) ... [2022-03-02 03:53:29,693 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:53:29" (1/1) ... [2022-03-02 03:53:29,699 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-02 03:53:29,700 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-02 03:53:29,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-02 03:53:29,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-02 03:53:29,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-02 03:53:29,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:53:29" (1/1) ... [2022-03-02 03:53:29,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:53:29" (1/1) ... [2022-03-02 03:53:29,712 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:53:29" (1/1) ... [2022-03-02 03:53:29,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:53:29" (1/1) ... [2022-03-02 03:53:29,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:53:29" (1/1) ... [2022-03-02 03:53:29,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:53:29" (1/1) ... [2022-03-02 03:53:29,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:53:29" (1/1) ... [2022-03-02 03:53:29,723 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-02 03:53:29,724 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-02 03:53:29,724 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-02 03:53:29,724 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-02 03:53:29,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:53:29" (1/1) ... [2022-03-02 03:53:29,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 03:53:29,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:53:29,771 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) [2022-03-02 03:53:29,793 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 [2022-03-02 03:53:29,807 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-02 03:53:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-02 03:53:29,808 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-02 03:53:29,808 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-02 03:53:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-02 03:53:29,808 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-02 03:53:29,808 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-02 03:53:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-02 03:53:29,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-02 03:53:29,809 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-02 03:53:29,848 INFO L234 CfgBuilder]: Building ICFG [2022-03-02 03:53:29,850 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-02 03:53:29,928 INFO L275 CfgBuilder]: Performing block encoding [2022-03-02 03:53:29,949 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-02 03:53:29,950 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-03-02 03:53:29,950 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2022-03-02 03:53:29,951 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2022-03-02 03:53:29,952 INFO L202 PluginConnector]: Adding new model array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 03:53:29 BoogieIcfgContainer [2022-03-02 03:53:29,952 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-02 03:53:29,953 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-02 03:53:29,953 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-02 03:53:29,955 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-02 03:53:29,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:53:29" (1/2) ... [2022-03-02 03:53:29,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11e09c68 and model type array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 03:53:29, skipping insertion in model container [2022-03-02 03:53:29,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 03:53:29" (2/2) ... [2022-03-02 03:53:29,957 INFO L111 eAbstractionObserver]: Analyzing ICFG array-int-symm.wvr.bpl [2022-03-02 03:53:29,960 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-02 03:53:29,961 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-02 03:53:29,961 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-02 03:53:29,961 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-02 03:53:29,983 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-03-02 03:53:30,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-02 03:53:30,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:53:30,031 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) [2022-03-02 03:53:30,049 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 [2022-03-02 03:53:30,083 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-02 03:53:30,088 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-03-02 03:53:30,088 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-02 03:53:30,132 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 20 transitions and produced 20 states. [2022-03-02 03:53:30,133 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 03:53:30,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:53:30,136 INFO L85 PathProgramCache]: Analyzing trace with hash -845334535, now seen corresponding path program 1 times [2022-03-02 03:53:30,142 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:53:30,143 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804110770] [2022-03-02 03:53:30,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:53:30,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:53:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:53:30,325 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:30,325 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:53:30,325 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804110770] [2022-03-02 03:53:30,326 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804110770] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 03:53:30,326 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-02 03:53:30,326 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-02 03:53:30,327 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587910874] [2022-03-02 03:53:30,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 03:53:30,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-02 03:53:30,331 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:53:30,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-02 03:53:30,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-02 03:53:30,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:53:30,349 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:53:30,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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) [2022-03-02 03:53:30,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:53:30,399 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 17 transitions and produced 18 states. [2022-03-02 03:53:30,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:30,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-02 03:53:30,400 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 03:53:30,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:53:30,401 INFO L85 PathProgramCache]: Analyzing trace with hash -580385373, now seen corresponding path program 1 times [2022-03-02 03:53:30,401 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:53:30,401 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283543842] [2022-03-02 03:53:30,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:53:30,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:53:30,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:53:30,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:30,511 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:53:30,511 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283543842] [2022-03-02 03:53:30,511 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283543842] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 03:53:30,511 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-02 03:53:30,511 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-02 03:53:30,511 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147698369] [2022-03-02 03:53:30,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 03:53:30,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-02 03:53:30,513 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:53:30,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-02 03:53:30,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-02 03:53:30,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:53:30,513 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:53:30,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2022-03-02 03:53:30,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:30,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:53:30,579 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 34 transitions and produced 30 states. [2022-03-02 03:53:30,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:30,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:53:30,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-02 03:53:30,581 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 03:53:30,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:53:30,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1940531813, now seen corresponding path program 1 times [2022-03-02 03:53:30,583 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:53:30,584 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597039107] [2022-03-02 03:53:30,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:53:30,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:53:30,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:53:30,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:30,913 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:53:30,914 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597039107] [2022-03-02 03:53:30,914 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597039107] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 03:53:30,914 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [902870180] [2022-03-02 03:53:30,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:53:30,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:53:30,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:53:30,917 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) [2022-03-02 03:53:30,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:53:30,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-02 03:53:30,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 17 conjunts are in the unsatisfiable core [2022-03-02 03:53:30,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:53:31,220 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 65 [2022-03-02 03:53:31,224 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 51 [2022-03-02 03:53:31,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:31,296 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 03:53:31,669 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 03:53:31,670 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 121 treesize of output 111 [2022-03-02 03:53:31,679 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 03:53:31,680 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 101 treesize of output 91 [2022-03-02 03:53:31,859 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:31,862 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [902870180] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 03:53:31,863 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 03:53:31,863 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 12 [2022-03-02 03:53:31,864 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033874058] [2022-03-02 03:53:31,864 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 03:53:31,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-02 03:53:31,865 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:53:31,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-02 03:53:31,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-03-02 03:53:31,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:53:31,866 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:53:31,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 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) [2022-03-02 03:53:31,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:31,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:53:31,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:53:32,059 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 37 transitions and produced 34 states. [2022-03-02 03:53:32,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:32,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:53:32,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:32,086 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-02 03:53:32,263 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 [2022-03-02 03:53:32,264 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 03:53:32,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:53:32,265 INFO L85 PathProgramCache]: Analyzing trace with hash -6313097, now seen corresponding path program 2 times [2022-03-02 03:53:32,265 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:53:32,265 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943251046] [2022-03-02 03:53:32,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:53:32,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:53:32,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:53:32,347 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:32,347 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:53:32,347 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943251046] [2022-03-02 03:53:32,347 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943251046] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 03:53:32,348 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740135006] [2022-03-02 03:53:32,348 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 03:53:32,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:53:32,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:53:32,364 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) [2022-03-02 03:53:32,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-02 03:53:32,395 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 03:53:32,396 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 03:53:32,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjunts are in the unsatisfiable core [2022-03-02 03:53:32,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:53:32,497 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2022-03-02 03:53:32,499 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 25 [2022-03-02 03:53:32,525 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:32,525 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 03:53:32,595 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-02 03:53:32,596 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 31 [2022-03-02 03:53:32,598 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-03-02 03:53:32,609 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:32,609 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1740135006] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 03:53:32,609 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 03:53:32,610 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2022-03-02 03:53:32,610 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088304449] [2022-03-02 03:53:32,610 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 03:53:32,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-02 03:53:32,610 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:53:32,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-02 03:53:32,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-03-02 03:53:32,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:53:32,611 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:53:32,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 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) [2022-03-02 03:53:32,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:32,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:53:32,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:32,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:53:32,847 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 39 transitions and produced 35 states. [2022-03-02 03:53:32,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:32,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:53:32,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:32,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-02 03:53:32,876 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-02 03:53:33,048 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 [2022-03-02 03:53:33,049 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 03:53:33,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:53:33,049 INFO L85 PathProgramCache]: Analyzing trace with hash -906160713, now seen corresponding path program 1 times [2022-03-02 03:53:33,049 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:53:33,049 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909637555] [2022-03-02 03:53:33,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:53:33,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:53:33,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:53:33,092 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:33,093 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:53:33,093 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909637555] [2022-03-02 03:53:33,093 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909637555] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 03:53:33,093 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836934065] [2022-03-02 03:53:33,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:53:33,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:53:33,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:53:33,095 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) [2022-03-02 03:53:33,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-02 03:53:33,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:53:33,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2022-03-02 03:53:33,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:53:33,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:33,155 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 03:53:33,196 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:33,196 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [836934065] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 03:53:33,196 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 03:53:33,196 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2022-03-02 03:53:33,197 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245303698] [2022-03-02 03:53:33,197 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 03:53:33,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-02 03:53:33,197 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:53:33,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-02 03:53:33,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-02 03:53:33,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:53:33,198 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:53:33,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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) [2022-03-02 03:53:33,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:33,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:53:33,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:33,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-03-02 03:53:33,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:53:33,247 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 53 transitions and produced 44 states. [2022-03-02 03:53:33,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:33,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:53:33,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:33,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:53:33,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:33,276 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-02 03:53:33,464 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 [2022-03-02 03:53:33,464 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 03:53:33,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:53:33,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1891924615, now seen corresponding path program 3 times [2022-03-02 03:53:33,465 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:53:33,465 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510145274] [2022-03-02 03:53:33,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:53:33,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:53:33,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:53:33,545 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:33,545 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:53:33,545 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510145274] [2022-03-02 03:53:33,545 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510145274] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 03:53:33,545 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [426427760] [2022-03-02 03:53:33,546 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-02 03:53:33,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:53:33,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:53:33,556 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) [2022-03-02 03:53:33,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-02 03:53:33,579 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-03-02 03:53:33,580 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 03:53:33,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjunts are in the unsatisfiable core [2022-03-02 03:53:33,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:53:33,663 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2022-03-02 03:53:33,666 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2022-03-02 03:53:33,671 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2022-03-02 03:53:33,691 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:33,691 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 03:53:33,773 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-02 03:53:33,774 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 21 [2022-03-02 03:53:33,776 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-03-02 03:53:33,782 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:33,782 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [426427760] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 03:53:33,782 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 03:53:33,783 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2022-03-02 03:53:33,783 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115328071] [2022-03-02 03:53:33,783 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 03:53:33,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-02 03:53:33,783 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:53:33,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-02 03:53:33,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-03-02 03:53:33,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:53:33,784 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:53:33,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 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) [2022-03-02 03:53:33,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:33,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:53:33,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:33,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:53:33,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:33,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:53:33,913 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 56 transitions and produced 47 states. [2022-03-02 03:53:33,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:33,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:53:33,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:33,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:53:33,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:33,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:33,945 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-02 03:53:34,123 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 [2022-03-02 03:53:34,124 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 03:53:34,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:53:34,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1446621923, now seen corresponding path program 4 times [2022-03-02 03:53:34,124 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:53:34,124 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308657139] [2022-03-02 03:53:34,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:53:34,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:53:34,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:53:34,615 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:34,616 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:53:34,616 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308657139] [2022-03-02 03:53:34,616 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308657139] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 03:53:34,616 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309908672] [2022-03-02 03:53:34,616 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-02 03:53:34,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:53:34,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:53:34,627 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) [2022-03-02 03:53:34,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-02 03:53:34,657 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-02 03:53:34,658 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 03:53:34,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 29 conjunts are in the unsatisfiable core [2022-03-02 03:53:34,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:53:35,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:53:35,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:53:35,013 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:53:35,013 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 65 [2022-03-02 03:53:35,016 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:53:35,017 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 46 [2022-03-02 03:53:35,076 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:35,076 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 03:53:35,549 INFO L353 Elim1Store]: treesize reduction 26, result has 50.9 percent of original size [2022-03-02 03:53:35,550 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 226 treesize of output 206 [2022-03-02 03:53:35,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:53:35,569 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 03:53:35,569 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 190 treesize of output 184 [2022-03-02 03:53:35,837 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:35,837 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1309908672] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 03:53:35,837 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 03:53:35,837 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 19 [2022-03-02 03:53:35,837 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168137783] [2022-03-02 03:53:35,838 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 03:53:35,838 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-02 03:53:35,838 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:53:35,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-02 03:53:35,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2022-03-02 03:53:35,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:53:35,838 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:53:35,839 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 1.631578947368421) internal successors, (31), 19 states have internal predecessors, (31), 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) [2022-03-02 03:53:35,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:35,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:53:35,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:35,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:53:35,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:35,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:35,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:53:36,034 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 59 transitions and produced 51 states. [2022-03-02 03:53:36,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:36,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:53:36,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:36,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:53:36,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:36,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:36,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:53:36,054 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-02 03:53:36,235 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 [2022-03-02 03:53:36,235 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 03:53:36,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:53:36,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1862349497, now seen corresponding path program 5 times [2022-03-02 03:53:36,236 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:53:36,236 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048124239] [2022-03-02 03:53:36,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:53:36,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:53:36,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:53:36,334 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:36,334 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:53:36,334 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048124239] [2022-03-02 03:53:36,334 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048124239] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 03:53:36,334 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834792023] [2022-03-02 03:53:36,334 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-02 03:53:36,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:53:36,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:53:36,339 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) [2022-03-02 03:53:36,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-02 03:53:36,365 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2022-03-02 03:53:36,365 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 03:53:36,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjunts are in the unsatisfiable core [2022-03-02 03:53:36,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:53:36,480 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2022-03-02 03:53:36,482 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 25 [2022-03-02 03:53:36,515 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:36,516 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 03:53:36,593 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-02 03:53:36,593 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 31 [2022-03-02 03:53:36,597 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-03-02 03:53:36,610 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:36,610 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1834792023] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 03:53:36,610 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 03:53:36,611 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 14 [2022-03-02 03:53:36,611 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933121092] [2022-03-02 03:53:36,611 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 03:53:36,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-03-02 03:53:36,611 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:53:36,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-03-02 03:53:36,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-03-02 03:53:36,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:53:36,612 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:53:36,612 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 14 states have internal predecessors, (23), 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) [2022-03-02 03:53:36,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:36,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:53:36,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:36,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:53:36,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:36,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:36,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:53:36,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:53:36,957 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 80 transitions and produced 62 states. [2022-03-02 03:53:36,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:36,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:53:36,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:36,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:53:36,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:36,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:36,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:53:36,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:53:36,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-02 03:53:37,159 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 [2022-03-02 03:53:37,160 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 03:53:37,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:53:37,160 INFO L85 PathProgramCache]: Analyzing trace with hash -757032713, now seen corresponding path program 6 times [2022-03-02 03:53:37,160 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:53:37,160 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043348386] [2022-03-02 03:53:37,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:53:37,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:53:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:53:37,240 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:37,241 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:53:37,241 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043348386] [2022-03-02 03:53:37,241 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043348386] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 03:53:37,241 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1537691834] [2022-03-02 03:53:37,241 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-02 03:53:37,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:53:37,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:53:37,256 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) [2022-03-02 03:53:37,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-02 03:53:37,295 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2022-03-02 03:53:37,295 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 03:53:37,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjunts are in the unsatisfiable core [2022-03-02 03:53:37,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:53:37,404 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2022-03-02 03:53:37,408 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2022-03-02 03:53:37,411 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2022-03-02 03:53:37,431 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:37,432 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 03:53:37,535 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-02 03:53:37,536 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 21 [2022-03-02 03:53:37,538 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-03-02 03:53:37,547 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:37,547 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1537691834] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 03:53:37,547 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 03:53:37,547 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 14 [2022-03-02 03:53:37,547 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998836004] [2022-03-02 03:53:37,547 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 03:53:37,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-03-02 03:53:37,548 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:53:37,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-03-02 03:53:37,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-03-02 03:53:37,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:53:37,548 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:53:37,548 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 14 states have internal predecessors, (23), 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) [2022-03-02 03:53:37,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:37,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:53:37,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:37,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:53:37,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:37,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:37,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:53:37,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:53:37,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:53:37,813 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 83 transitions and produced 65 states. [2022-03-02 03:53:37,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:37,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:53:37,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:37,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:53:37,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:37,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:37,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:53:37,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:53:37,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:53:37,831 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-03-02 03:53:38,014 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 [2022-03-02 03:53:38,015 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 03:53:38,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:53:38,015 INFO L85 PathProgramCache]: Analyzing trace with hash -2026434779, now seen corresponding path program 7 times [2022-03-02 03:53:38,015 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:53:38,015 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577961208] [2022-03-02 03:53:38,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:53:38,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:53:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:53:38,434 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:38,434 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:53:38,434 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577961208] [2022-03-02 03:53:38,434 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577961208] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 03:53:38,434 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [971103818] [2022-03-02 03:53:38,434 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-02 03:53:38,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:53:38,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:53:38,436 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) [2022-03-02 03:53:38,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-03-02 03:53:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:53:38,463 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 41 conjunts are in the unsatisfiable core [2022-03-02 03:53:38,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:53:39,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:53:39,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:53:39,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:53:39,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:53:39,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:53:39,080 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:53:39,081 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 72 [2022-03-02 03:53:39,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:53:39,083 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 46 [2022-03-02 03:53:39,135 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:39,135 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 03:53:40,020 INFO L353 Elim1Store]: treesize reduction 82, result has 35.4 percent of original size [2022-03-02 03:53:40,020 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 246 treesize of output 238 [2022-03-02 03:53:40,025 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:53:40,026 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:53:40,028 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:53:40,059 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 03:53:40,060 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 214 treesize of output 252 [2022-03-02 03:53:40,596 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:40,596 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [971103818] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 03:53:40,596 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 03:53:40,597 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 25 [2022-03-02 03:53:40,597 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885475213] [2022-03-02 03:53:40,597 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 03:53:40,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-02 03:53:40,597 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:53:40,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-02 03:53:40,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2022-03-02 03:53:40,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:53:40,598 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:53:40,598 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.48) internal successors, (37), 25 states have internal predecessors, (37), 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) [2022-03-02 03:53:40,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:40,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:53:40,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:40,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:53:40,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:40,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:40,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:53:40,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:53:40,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:53:40,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:53:41,463 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 86 transitions and produced 69 states. [2022-03-02 03:53:41,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:41,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:53:41,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:41,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:53:41,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:41,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:41,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:53:41,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:53:41,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:53:41,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:53:41,481 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-03-02 03:53:41,664 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 [2022-03-02 03:53:41,665 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 03:53:41,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:53:41,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1571774135, now seen corresponding path program 8 times [2022-03-02 03:53:41,665 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:53:41,665 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927201537] [2022-03-02 03:53:41,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:53:41,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:53:41,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:53:41,810 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:41,811 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:53:41,811 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927201537] [2022-03-02 03:53:41,811 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927201537] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 03:53:41,811 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [102574432] [2022-03-02 03:53:41,811 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 03:53:41,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:53:41,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:53:41,812 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) [2022-03-02 03:53:41,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-03-02 03:53:41,838 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 03:53:41,838 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 03:53:41,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjunts are in the unsatisfiable core [2022-03-02 03:53:41,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:53:41,988 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2022-03-02 03:53:41,990 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 25 [2022-03-02 03:53:42,023 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:42,023 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 03:53:42,106 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-02 03:53:42,106 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 31 [2022-03-02 03:53:42,108 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-03-02 03:53:42,127 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:42,127 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [102574432] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 03:53:42,127 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 03:53:42,127 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 17 [2022-03-02 03:53:42,127 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226375095] [2022-03-02 03:53:42,127 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 03:53:42,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-02 03:53:42,128 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:53:42,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-02 03:53:42,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2022-03-02 03:53:42,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:53:42,128 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:53:42,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 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) [2022-03-02 03:53:42,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:42,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:53:42,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:42,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:53:42,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:42,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:42,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:53:42,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:53:42,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:53:42,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:53:42,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:53:42,623 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 112 transitions and produced 82 states. [2022-03-02 03:53:42,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:42,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:53:42,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:42,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:53:42,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:42,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:42,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:53:42,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:53:42,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:53:42,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:53:42,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:53:42,643 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-03-02 03:53:42,824 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 [2022-03-02 03:53:42,825 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 03:53:42,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:53:42,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1975304249, now seen corresponding path program 9 times [2022-03-02 03:53:42,825 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:53:42,825 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675315611] [2022-03-02 03:53:42,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:53:42,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:53:42,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:53:42,940 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:42,941 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:53:42,941 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675315611] [2022-03-02 03:53:42,941 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675315611] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 03:53:42,941 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [445626183] [2022-03-02 03:53:42,941 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-02 03:53:42,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:53:42,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:53:42,943 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) [2022-03-02 03:53:42,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-03-02 03:53:42,973 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-03-02 03:53:42,973 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 03:53:42,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjunts are in the unsatisfiable core [2022-03-02 03:53:42,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:53:43,072 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2022-03-02 03:53:43,076 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2022-03-02 03:53:43,078 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2022-03-02 03:53:43,094 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:43,094 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 03:53:43,203 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-02 03:53:43,205 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 21 [2022-03-02 03:53:43,207 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-03-02 03:53:43,219 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:43,219 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [445626183] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 03:53:43,219 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 03:53:43,219 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 17 [2022-03-02 03:53:43,219 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113423579] [2022-03-02 03:53:43,220 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 03:53:43,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-02 03:53:43,221 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:53:43,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-02 03:53:43,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2022-03-02 03:53:43,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:53:43,221 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:53:43,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 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) [2022-03-02 03:53:43,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:43,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:53:43,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:43,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:53:43,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:43,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:43,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:53:43,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:53:43,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:53:43,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:53:43,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:53:43,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:53:43,502 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 115 transitions and produced 85 states. [2022-03-02 03:53:43,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:43,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:53:43,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:43,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:53:43,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:43,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:43,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:53:43,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:53:43,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:53:43,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:53:43,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:53:43,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:53:43,537 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-03-02 03:53:43,704 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 [2022-03-02 03:53:43,704 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 03:53:43,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:53:43,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1071632419, now seen corresponding path program 10 times [2022-03-02 03:53:43,704 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:53:43,704 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408226193] [2022-03-02 03:53:43,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:53:43,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:53:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:53:44,172 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:44,173 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:53:44,173 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408226193] [2022-03-02 03:53:44,173 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408226193] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 03:53:44,173 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1150977236] [2022-03-02 03:53:44,173 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-02 03:53:44,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:53:44,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:53:44,174 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) [2022-03-02 03:53:44,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-03-02 03:53:44,205 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-02 03:53:44,205 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 03:53:44,206 WARN L261 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 53 conjunts are in the unsatisfiable core [2022-03-02 03:53:44,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:53:44,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:53:44,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:53:44,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:53:44,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:53:44,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:53:44,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:53:44,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:53:44,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:53:44,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:53:44,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:53:44,957 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 79 [2022-03-02 03:53:44,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:53:44,960 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 46 [2022-03-02 03:53:45,013 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:45,014 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 03:53:46,057 INFO L353 Elim1Store]: treesize reduction 170, result has 27.0 percent of original size [2022-03-02 03:53:46,058 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 22 case distinctions, treesize of input 248 treesize of output 252 [2022-03-02 03:53:46,065 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:53:46,065 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:53:46,065 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:53:46,067 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:53:46,067 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:53:46,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:53:46,104 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 03:53:46,105 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 16 case distinctions, treesize of input 220 treesize of output 322 [2022-03-02 03:53:46,980 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:46,981 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1150977236] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 03:53:46,981 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 03:53:46,981 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 32 [2022-03-02 03:53:46,981 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256295205] [2022-03-02 03:53:46,981 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 03:53:46,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-03-02 03:53:46,981 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:53:46,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-03-02 03:53:46,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=911, Unknown=0, NotChecked=0, Total=992 [2022-03-02 03:53:46,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:53:46,982 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:53:46,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 1.46875) internal successors, (47), 32 states have internal predecessors, (47), 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) [2022-03-02 03:53:46,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:46,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:53:46,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:46,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:53:46,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:46,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:46,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:53:46,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:53:46,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:53:46,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:53:46,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:53:46,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:53:46,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:53:48,559 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 118 transitions and produced 89 states. [2022-03-02 03:53:48,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:48,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:53:48,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:48,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:53:48,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:48,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:48,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:53:48,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:53:48,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:53:48,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:53:48,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:53:48,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:53:48,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:53:48,576 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-03-02 03:53:48,760 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 [2022-03-02 03:53:48,761 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 03:53:48,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:53:48,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1172390535, now seen corresponding path program 11 times [2022-03-02 03:53:48,761 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:53:48,761 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139506777] [2022-03-02 03:53:48,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:53:48,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:53:48,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:53:48,929 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:48,930 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:53:48,930 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139506777] [2022-03-02 03:53:48,930 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139506777] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 03:53:48,930 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [550745510] [2022-03-02 03:53:48,930 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-02 03:53:48,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:53:48,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:53:48,931 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) [2022-03-02 03:53:48,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-03-02 03:53:48,961 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2022-03-02 03:53:48,961 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 03:53:48,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2022-03-02 03:53:48,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:53:49,148 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2022-03-02 03:53:49,150 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 25 [2022-03-02 03:53:49,180 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:49,181 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 03:53:49,277 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-02 03:53:49,277 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 31 [2022-03-02 03:53:49,279 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-03-02 03:53:49,300 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:49,300 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [550745510] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 03:53:49,300 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 03:53:49,300 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 20 [2022-03-02 03:53:49,301 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844377947] [2022-03-02 03:53:49,301 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 03:53:49,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-02 03:53:49,301 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:53:49,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-02 03:53:49,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2022-03-02 03:53:49,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:53:49,301 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:53:49,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 1.45) internal successors, (29), 20 states have internal predecessors, (29), 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) [2022-03-02 03:53:49,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:49,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:53:49,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:49,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:53:49,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:49,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:49,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:53:49,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:53:49,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:53:49,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:53:49,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:53:49,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:53:49,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:53:49,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:53:49,890 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 149 transitions and produced 104 states. [2022-03-02 03:53:49,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:49,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:53:49,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:49,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:53:49,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:49,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:49,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:53:49,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:53:49,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:53:49,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:53:49,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:53:49,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:53:49,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:53:49,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:53:49,908 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-03-02 03:53:50,091 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 [2022-03-02 03:53:50,091 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 03:53:50,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:53:50,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1547858889, now seen corresponding path program 12 times [2022-03-02 03:53:50,092 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:53:50,092 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474906455] [2022-03-02 03:53:50,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:53:50,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:53:50,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:53:50,261 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:50,261 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:53:50,261 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474906455] [2022-03-02 03:53:50,261 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474906455] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 03:53:50,261 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1404483198] [2022-03-02 03:53:50,261 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-02 03:53:50,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:53:50,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:53:50,263 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) [2022-03-02 03:53:50,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-03-02 03:53:50,303 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2022-03-02 03:53:50,303 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 03:53:50,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2022-03-02 03:53:50,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:53:50,467 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2022-03-02 03:53:50,469 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2022-03-02 03:53:50,474 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2022-03-02 03:53:50,499 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:50,499 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 03:53:50,609 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-02 03:53:50,609 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 21 [2022-03-02 03:53:50,611 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-03-02 03:53:50,632 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:50,632 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1404483198] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 03:53:50,632 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 03:53:50,632 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 20 [2022-03-02 03:53:50,632 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749250538] [2022-03-02 03:53:50,632 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 03:53:50,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-02 03:53:50,633 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:53:50,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-02 03:53:50,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2022-03-02 03:53:50,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:53:50,633 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:53:50,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 1.45) internal successors, (29), 20 states have internal predecessors, (29), 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) [2022-03-02 03:53:50,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:50,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:53:50,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:50,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:53:50,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:50,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:50,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:53:50,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:53:50,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:53:50,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:53:50,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:53:50,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:53:50,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:53:50,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:53:50,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:53:51,095 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 152 transitions and produced 107 states. [2022-03-02 03:53:51,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:51,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:53:51,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:51,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:53:51,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:51,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:51,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:53:51,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:53:51,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:53:51,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:53:51,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:53:51,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:53:51,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:53:51,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:53:51,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:53:51,115 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-03-02 03:53:51,296 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 [2022-03-02 03:53:51,296 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 03:53:51,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:53:51,297 INFO L85 PathProgramCache]: Analyzing trace with hash -772242459, now seen corresponding path program 13 times [2022-03-02 03:53:51,297 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:53:51,297 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846773830] [2022-03-02 03:53:51,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:53:51,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:53:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:53:52,004 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:52,005 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:53:52,005 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846773830] [2022-03-02 03:53:52,005 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846773830] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 03:53:52,005 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086578374] [2022-03-02 03:53:52,005 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-02 03:53:52,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:53:52,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:53:52,016 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) [2022-03-02 03:53:52,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-03-02 03:53:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:53:52,047 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 65 conjunts are in the unsatisfiable core [2022-03-02 03:53:52,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:53:53,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:53:53,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:53:53,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:53:53,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:53:53,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:53:53,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:53:53,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:53:53,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:53:53,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:53:53,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:53:53,283 INFO L353 Elim1Store]: treesize reduction 46, result has 6.1 percent of original size [2022-03-02 03:53:53,283 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 118 treesize of output 93 [2022-03-02 03:53:53,290 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-03-02 03:53:53,290 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 53 [2022-03-02 03:53:53,330 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:53,330 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 03:53:54,845 INFO L353 Elim1Store]: treesize reduction 290, result has 21.8 percent of original size [2022-03-02 03:53:54,845 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 35 case distinctions, treesize of input 268 treesize of output 284 [2022-03-02 03:53:54,851 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:53:54,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:53:54,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:53:54,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:53:54,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:53:54,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:53:54,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:53:54,860 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:53:54,860 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:53:54,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:53:54,971 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 03:53:54,971 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 20 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 25 case distinctions, treesize of input 244 treesize of output 430 [2022-03-02 03:53:56,576 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:56,577 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2086578374] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 03:53:56,577 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 03:53:56,577 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 37 [2022-03-02 03:53:56,577 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267435771] [2022-03-02 03:53:56,577 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 03:53:56,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-03-02 03:53:56,578 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:53:56,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-03-02 03:53:56,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=1234, Unknown=0, NotChecked=0, Total=1332 [2022-03-02 03:53:56,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:53:56,595 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:53:56,595 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 37 states have internal predecessors, (49), 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) [2022-03-02 03:53:56,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:56,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:53:56,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:56,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:53:56,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:56,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:56,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:53:56,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:53:56,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:53:56,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:53:56,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:53:56,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:53:56,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:53:56,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:53:56,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:53:56,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:53:58,984 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 155 transitions and produced 111 states. [2022-03-02 03:53:58,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:58,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:53:58,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:58,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:53:58,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:58,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:58,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:53:58,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:53:58,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:53:58,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:53:58,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:53:58,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:53:58,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:53:58,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:53:58,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:53:58,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:53:59,002 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-03-02 03:53:59,185 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 [2022-03-02 03:53:59,185 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 03:53:59,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:53:59,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1797030391, now seen corresponding path program 14 times [2022-03-02 03:53:59,186 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:53:59,186 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315400907] [2022-03-02 03:53:59,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:53:59,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:53:59,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:53:59,352 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:59,353 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:53:59,353 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315400907] [2022-03-02 03:53:59,353 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315400907] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 03:53:59,353 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1035733570] [2022-03-02 03:53:59,353 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 03:53:59,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:53:59,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:53:59,354 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) [2022-03-02 03:53:59,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-03-02 03:53:59,396 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 03:53:59,396 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 03:53:59,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjunts are in the unsatisfiable core [2022-03-02 03:53:59,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:53:59,620 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2022-03-02 03:53:59,622 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 25 [2022-03-02 03:53:59,656 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:59,656 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 03:53:59,758 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-02 03:53:59,758 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 31 [2022-03-02 03:53:59,760 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-03-02 03:53:59,785 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:53:59,785 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1035733570] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 03:53:59,785 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 03:53:59,785 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 23 [2022-03-02 03:53:59,786 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301204762] [2022-03-02 03:53:59,786 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 03:53:59,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-02 03:53:59,786 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:53:59,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-02 03:53:59,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2022-03-02 03:53:59,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:53:59,786 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:53:59,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 states have internal predecessors, (32), 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) [2022-03-02 03:53:59,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:59,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:53:59,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:59,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:53:59,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:53:59,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:53:59,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:53:59,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:53:59,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:53:59,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:53:59,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:53:59,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:53:59,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:53:59,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:53:59,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:53:59,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:53:59,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:54:00,371 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 191 transitions and produced 128 states. [2022-03-02 03:54:00,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:54:00,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:54:00,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:54:00,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:54:00,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:54:00,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:54:00,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:54:00,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:54:00,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:54:00,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:54:00,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:54:00,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:54:00,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:54:00,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:54:00,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:54:00,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:54:00,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:54:00,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-03-02 03:54:00,589 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 [2022-03-02 03:54:00,589 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 03:54:00,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:54:00,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1252553991, now seen corresponding path program 15 times [2022-03-02 03:54:00,589 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:54:00,589 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647462078] [2022-03-02 03:54:00,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:54:00,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:54:00,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:54:00,719 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:54:00,720 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:54:00,720 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647462078] [2022-03-02 03:54:00,720 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647462078] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 03:54:00,720 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520506696] [2022-03-02 03:54:00,720 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-02 03:54:00,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:54:00,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:54:00,722 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 03:54:00,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-03-02 03:54:00,761 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-03-02 03:54:00,761 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 03:54:00,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjunts are in the unsatisfiable core [2022-03-02 03:54:00,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:54:00,928 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2022-03-02 03:54:00,930 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2022-03-02 03:54:00,933 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2022-03-02 03:54:00,974 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:54:00,974 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 03:54:01,045 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-02 03:54:01,045 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 21 [2022-03-02 03:54:01,046 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-03-02 03:54:01,058 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:54:01,058 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520506696] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 03:54:01,059 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 03:54:01,059 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 23 [2022-03-02 03:54:01,059 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954701456] [2022-03-02 03:54:01,059 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 03:54:01,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-02 03:54:01,060 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:54:01,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-02 03:54:01,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2022-03-02 03:54:01,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:54:01,060 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:54:01,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 states have internal predecessors, (32), 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) [2022-03-02 03:54:01,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:54:01,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:54:01,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:54:01,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:54:01,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:54:01,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:54:01,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:54:01,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:54:01,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:54:01,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:54:01,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:54:01,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:54:01,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:54:01,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:54:01,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:54:01,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:54:01,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:54:01,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:54:01,440 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 194 transitions and produced 131 states. [2022-03-02 03:54:01,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:54:01,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:54:01,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:54:01,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:54:01,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:54:01,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:54:01,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:54:01,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:54:01,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:54:01,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:54:01,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:54:01,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:54:01,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:54:01,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:54:01,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:54:01,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:54:01,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:54:01,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:54:01,458 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-03-02 03:54:01,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-03-02 03:54:01,658 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 03:54:01,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:54:01,658 INFO L85 PathProgramCache]: Analyzing trace with hash -207725213, now seen corresponding path program 16 times [2022-03-02 03:54:01,658 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:54:01,658 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114131443] [2022-03-02 03:54:01,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:54:01,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:54:01,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:54:02,142 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:54:02,142 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:54:02,142 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114131443] [2022-03-02 03:54:02,142 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114131443] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 03:54:02,142 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [707195702] [2022-03-02 03:54:02,142 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-02 03:54:02,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:54:02,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:54:02,144 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 03:54:02,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-03-02 03:54:02,175 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-02 03:54:02,175 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 03:54:02,177 WARN L261 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 77 conjunts are in the unsatisfiable core [2022-03-02 03:54:02,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:54:03,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:03,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:03,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:03,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:03,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:03,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:03,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:03,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:03,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:03,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:03,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:03,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:03,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:03,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:03,482 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:03,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:03,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:03,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:03,484 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 93 [2022-03-02 03:54:03,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:03,487 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 46 [2022-03-02 03:54:03,509 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:54:03,509 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 03:54:05,583 INFO L353 Elim1Store]: treesize reduction 442, result has 18.3 percent of original size [2022-03-02 03:54:05,584 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 51 case distinctions, treesize of input 288 treesize of output 316 [2022-03-02 03:54:05,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:05,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:05,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:05,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:05,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:05,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:05,599 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:05,599 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:05,599 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:05,604 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:05,604 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:05,604 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:05,606 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:05,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:05,609 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:05,752 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 03:54:05,752 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 30 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 36 case distinctions, treesize of input 268 treesize of output 558 [2022-03-02 03:54:07,454 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:54:07,455 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [707195702] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 03:54:07,455 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 03:54:07,455 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 16] total 43 [2022-03-02 03:54:07,455 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273095151] [2022-03-02 03:54:07,455 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 03:54:07,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-03-02 03:54:07,455 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:54:07,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-03-02 03:54:07,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=1683, Unknown=0, NotChecked=0, Total=1806 [2022-03-02 03:54:07,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:54:07,456 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:54:07,456 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 1.2790697674418605) internal successors, (55), 43 states have internal predecessors, (55), 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) [2022-03-02 03:54:07,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:54:07,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:54:07,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:54:07,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:54:07,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:54:07,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:54:07,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:54:07,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:54:07,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:54:07,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:54:07,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:54:07,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:54:07,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:54:07,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:54:07,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:54:07,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:54:07,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:54:07,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:54:07,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:54:09,669 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 197 transitions and produced 135 states. [2022-03-02 03:54:09,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:54:09,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:54:09,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:54:09,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:54:09,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:54:09,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:54:09,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:54:09,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:54:09,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:54:09,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:54:09,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:54:09,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:54:09,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:54:09,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:54:09,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:54:09,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:54:09,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:54:09,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:54:09,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-02 03:54:09,688 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2022-03-02 03:54:09,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:54:09,880 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 03:54:09,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:54:09,880 INFO L85 PathProgramCache]: Analyzing trace with hash 2117195833, now seen corresponding path program 17 times [2022-03-02 03:54:09,880 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:54:09,880 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845340838] [2022-03-02 03:54:09,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:54:09,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:54:09,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:54:10,075 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:54:10,075 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:54:10,075 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845340838] [2022-03-02 03:54:10,075 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845340838] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 03:54:10,076 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [550334237] [2022-03-02 03:54:10,076 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-02 03:54:10,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:54:10,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:54:10,096 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 03:54:10,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-03-02 03:54:10,134 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2022-03-02 03:54:10,134 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 03:54:10,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 34 conjunts are in the unsatisfiable core [2022-03-02 03:54:10,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:54:10,302 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2022-03-02 03:54:10,305 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 25 [2022-03-02 03:54:10,328 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:54:10,328 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 03:54:10,396 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-02 03:54:10,398 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 31 [2022-03-02 03:54:10,400 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-03-02 03:54:10,418 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:54:10,418 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [550334237] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 03:54:10,418 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 03:54:10,418 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 26 [2022-03-02 03:54:10,418 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928766321] [2022-03-02 03:54:10,418 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 03:54:10,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-03-02 03:54:10,418 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:54:10,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-03-02 03:54:10,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=585, Unknown=0, NotChecked=0, Total=650 [2022-03-02 03:54:10,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:54:10,419 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:54:10,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 26 states have internal predecessors, (35), 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) [2022-03-02 03:54:10,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:54:10,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:54:10,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:54:10,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:54:10,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:54:10,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:54:10,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:54:10,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:54:10,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:54:10,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:54:10,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:54:10,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:54:10,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:54:10,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:54:10,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:54:10,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:54:10,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:54:10,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:54:10,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-02 03:54:10,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:54:11,026 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 238 transitions and produced 154 states. [2022-03-02 03:54:11,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:54:11,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:54:11,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:54:11,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:54:11,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:54:11,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:54:11,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:54:11,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:54:11,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:54:11,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:54:11,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:54:11,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:54:11,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:54:11,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:54:11,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:54:11,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:54:11,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:54:11,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:54:11,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-02 03:54:11,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-02 03:54:11,045 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-03-02 03:54:11,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:54:11,245 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 03:54:11,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:54:11,246 INFO L85 PathProgramCache]: Analyzing trace with hash 2069360503, now seen corresponding path program 18 times [2022-03-02 03:54:11,246 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:54:11,246 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033841849] [2022-03-02 03:54:11,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:54:11,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:54:11,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:54:11,496 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:54:11,497 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:54:11,497 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033841849] [2022-03-02 03:54:11,497 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033841849] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 03:54:11,497 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645003202] [2022-03-02 03:54:11,497 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-02 03:54:11,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:54:11,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:54:11,498 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 03:54:11,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-03-02 03:54:11,533 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2022-03-02 03:54:11,533 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 03:54:11,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 34 conjunts are in the unsatisfiable core [2022-03-02 03:54:11,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:54:11,695 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2022-03-02 03:54:11,697 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2022-03-02 03:54:11,699 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2022-03-02 03:54:11,715 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:54:11,715 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 03:54:11,825 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-02 03:54:11,825 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 21 [2022-03-02 03:54:11,827 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-03-02 03:54:11,848 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:54:11,849 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1645003202] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 03:54:11,849 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 03:54:11,849 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 26 [2022-03-02 03:54:11,849 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493501255] [2022-03-02 03:54:11,849 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 03:54:11,850 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-03-02 03:54:11,850 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:54:11,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-03-02 03:54:11,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=585, Unknown=0, NotChecked=0, Total=650 [2022-03-02 03:54:11,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:54:11,850 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:54:11,851 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 26 states have internal predecessors, (35), 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) [2022-03-02 03:54:11,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:54:11,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:54:11,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:54:11,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:54:11,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:54:11,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:54:11,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:54:11,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:54:11,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:54:11,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:54:11,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:54:11,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:54:11,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:54:11,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:54:11,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:54:11,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:54:11,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:54:11,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:54:11,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-02 03:54:11,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-02 03:54:11,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:54:12,538 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 241 transitions and produced 157 states. [2022-03-02 03:54:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:54:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:54:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:54:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:54:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:54:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:54:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:54:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:54:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:54:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:54:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:54:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:54:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:54:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:54:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:54:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:54:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:54:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:54:12,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-02 03:54:12,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-02 03:54:12,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:54:12,573 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-03-02 03:54:12,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-03-02 03:54:12,756 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 03:54:12,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:54:12,756 INFO L85 PathProgramCache]: Analyzing trace with hash -307591003, now seen corresponding path program 19 times [2022-03-02 03:54:12,756 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:54:12,756 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253115989] [2022-03-02 03:54:12,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:54:12,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:54:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:54:13,226 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:54:13,227 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:54:13,227 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253115989] [2022-03-02 03:54:13,227 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253115989] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 03:54:13,227 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713424292] [2022-03-02 03:54:13,227 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-02 03:54:13,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:54:13,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:54:13,228 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 03:54:13,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-03-02 03:54:13,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:54:13,264 WARN L261 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 89 conjunts are in the unsatisfiable core [2022-03-02 03:54:13,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:54:14,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:14,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:14,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:14,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:14,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:14,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:14,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:14,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:14,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:14,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:14,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:14,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:14,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:14,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:14,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:14,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:14,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:14,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:14,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:14,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:14,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:14,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:14,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:14,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:14,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:14,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:14,940 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 100 [2022-03-02 03:54:14,943 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:14,943 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 46 [2022-03-02 03:54:14,991 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:54:14,992 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 03:54:17,698 INFO L353 Elim1Store]: treesize reduction 626, result has 15.7 percent of original size [2022-03-02 03:54:17,698 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 70 case distinctions, treesize of input 308 treesize of output 348 [2022-03-02 03:54:17,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:17,707 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:17,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:17,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:17,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:17,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:17,713 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:17,714 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:17,714 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:17,715 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:17,715 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:17,718 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:17,718 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:17,718 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:17,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:17,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:17,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:17,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:17,724 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:17,724 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:17,725 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:17,867 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 03:54:17,867 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 42 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 49 case distinctions, treesize of input 292 treesize of output 706 [2022-03-02 03:54:23,108 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:54:23,109 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1713424292] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 03:54:23,109 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 03:54:23,109 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18, 18] total 50 [2022-03-02 03:54:23,109 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692034571] [2022-03-02 03:54:23,109 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 03:54:23,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-03-02 03:54:23,109 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:54:23,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-03-02 03:54:23,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=2313, Unknown=0, NotChecked=0, Total=2450 [2022-03-02 03:54:23,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:54:23,110 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:54:23,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 1.24) internal successors, (62), 50 states have internal predecessors, (62), 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) [2022-03-02 03:54:23,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:54:23,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:54:23,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:54:23,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:54:23,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:54:23,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:54:23,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:54:23,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:54:23,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:54:23,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:54:23,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:54:23,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:54:23,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:54:23,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:54:23,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:54:23,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:54:23,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:54:23,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:54:23,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-02 03:54:23,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-02 03:54:23,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:54:23,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:54:26,511 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 244 transitions and produced 161 states. [2022-03-02 03:54:26,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:54:26,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:54:26,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:54:26,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:54:26,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:54:26,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:54:26,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:54:26,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:54:26,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:54:26,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:54:26,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:54:26,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:54:26,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:54:26,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:54:26,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:54:26,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:54:26,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:54:26,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:54:26,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-02 03:54:26,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-02 03:54:26,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:54:26,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-02 03:54:26,544 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-03-02 03:54:26,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-03-02 03:54:26,740 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 03:54:26,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:54:26,740 INFO L85 PathProgramCache]: Analyzing trace with hash -978643657, now seen corresponding path program 20 times [2022-03-02 03:54:26,740 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:54:26,740 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696698991] [2022-03-02 03:54:26,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:54:26,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:54:26,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:54:27,042 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:54:27,043 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:54:27,043 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696698991] [2022-03-02 03:54:27,043 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696698991] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 03:54:27,043 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1562056573] [2022-03-02 03:54:27,043 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 03:54:27,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:54:27,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:54:27,045 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 03:54:27,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-03-02 03:54:27,079 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 03:54:27,079 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 03:54:27,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 38 conjunts are in the unsatisfiable core [2022-03-02 03:54:27,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:54:27,348 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2022-03-02 03:54:27,349 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 25 [2022-03-02 03:54:27,387 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:54:27,387 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 03:54:27,514 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-02 03:54:27,514 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 31 [2022-03-02 03:54:27,517 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-03-02 03:54:27,548 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:54:27,548 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1562056573] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 03:54:27,548 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 03:54:27,549 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 29 [2022-03-02 03:54:27,549 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746499761] [2022-03-02 03:54:27,549 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 03:54:27,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-02 03:54:27,551 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:54:27,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-02 03:54:27,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=739, Unknown=0, NotChecked=0, Total=812 [2022-03-02 03:54:27,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:54:27,552 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:54:27,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 29 states have internal predecessors, (38), 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) [2022-03-02 03:54:27,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:54:27,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:54:27,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:54:27,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:54:27,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:54:27,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:54:27,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:54:27,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:54:27,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:54:27,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:54:27,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:54:27,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:54:27,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:54:27,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:54:27,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:54:27,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:54:27,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:54:27,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:54:27,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-02 03:54:27,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-02 03:54:27,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:54:27,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-02 03:54:27,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:54:28,580 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 290 transitions and produced 182 states. [2022-03-02 03:54:28,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:54:28,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:54:28,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:54:28,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:54:28,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:54:28,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:54:28,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:54:28,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:54:28,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:54:28,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:54:28,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:54:28,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:54:28,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:54:28,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:54:28,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:54:28,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:54:28,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:54:28,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:54:28,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-02 03:54:28,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-02 03:54:28,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:54:28,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-02 03:54:28,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-02 03:54:28,599 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2022-03-02 03:54:28,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:54:28,795 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 03:54:28,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:54:28,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1833428409, now seen corresponding path program 21 times [2022-03-02 03:54:28,796 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:54:28,796 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768032363] [2022-03-02 03:54:28,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:54:28,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:54:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:54:29,073 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:54:29,073 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:54:29,073 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768032363] [2022-03-02 03:54:29,073 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768032363] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 03:54:29,074 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827582248] [2022-03-02 03:54:29,074 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-02 03:54:29,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:54:29,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:54:29,092 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 03:54:29,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-03-02 03:54:29,138 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-03-02 03:54:29,138 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 03:54:29,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 38 conjunts are in the unsatisfiable core [2022-03-02 03:54:29,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:54:29,417 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2022-03-02 03:54:29,420 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2022-03-02 03:54:29,423 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2022-03-02 03:54:29,452 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:54:29,453 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 03:54:29,576 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-02 03:54:29,576 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 21 [2022-03-02 03:54:29,577 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-03-02 03:54:29,601 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:54:29,602 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827582248] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 03:54:29,602 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 03:54:29,602 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 29 [2022-03-02 03:54:29,602 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216156430] [2022-03-02 03:54:29,602 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 03:54:29,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-02 03:54:29,602 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:54:29,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-02 03:54:29,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=739, Unknown=0, NotChecked=0, Total=812 [2022-03-02 03:54:29,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:54:29,603 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:54:29,603 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 29 states have internal predecessors, (38), 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) [2022-03-02 03:54:29,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:54:29,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:54:29,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:54:29,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:54:29,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:54:29,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:54:29,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:54:29,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:54:29,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:54:29,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:54:29,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:54:29,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:54:29,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:54:29,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:54:29,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:54:29,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:54:29,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:54:29,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:54:29,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-02 03:54:29,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-02 03:54:29,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:54:29,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-02 03:54:29,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-02 03:54:29,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:54:30,415 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 293 transitions and produced 185 states. [2022-03-02 03:54:30,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:54:30,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:54:30,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:54:30,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:54:30,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:54:30,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:54:30,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:54:30,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:54:30,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:54:30,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:54:30,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:54:30,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:54:30,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:54:30,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:54:30,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:54:30,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:54:30,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:54:30,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:54:30,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-02 03:54:30,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-02 03:54:30,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:54:30,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-02 03:54:30,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-02 03:54:30,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-02 03:54:30,434 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2022-03-02 03:54:30,616 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:54:30,616 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 03:54:30,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:54:30,617 INFO L85 PathProgramCache]: Analyzing trace with hash 968448675, now seen corresponding path program 22 times [2022-03-02 03:54:30,617 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:54:30,617 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363555336] [2022-03-02 03:54:30,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:54:30,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:54:30,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:54:31,227 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:54:31,227 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:54:31,227 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363555336] [2022-03-02 03:54:31,227 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363555336] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 03:54:31,227 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2026113343] [2022-03-02 03:54:31,227 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-02 03:54:31,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:54:31,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:54:31,228 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 03:54:31,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-03-02 03:54:31,263 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-02 03:54:31,263 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 03:54:31,265 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 101 conjunts are in the unsatisfiable core [2022-03-02 03:54:31,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:54:33,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:33,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:33,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:33,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:33,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:33,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:33,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:33,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:33,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:33,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:33,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:33,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:33,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:33,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:33,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:33,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:33,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:33,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:33,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:33,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:33,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:33,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:33,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:33,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:33,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:33,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:33,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:33,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:33,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:33,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:33,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:33,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:33,454 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 107 [2022-03-02 03:54:33,456 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:33,456 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 46 [2022-03-02 03:54:33,479 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:54:33,479 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 03:54:36,677 INFO L353 Elim1Store]: treesize reduction 842, result has 13.8 percent of original size [2022-03-02 03:54:36,678 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 28 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 92 case distinctions, treesize of input 328 treesize of output 380 [2022-03-02 03:54:36,688 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:36,689 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:36,691 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:36,691 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:36,692 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:36,692 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:36,692 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:36,700 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:36,703 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:36,703 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:36,703 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:36,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:36,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:36,707 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:36,707 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:36,707 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:36,708 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:36,708 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:36,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:36,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:36,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:36,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:36,721 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:36,721 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:36,722 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:36,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:36,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:36,725 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:36,953 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 03:54:36,954 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 56 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 64 case distinctions, treesize of input 316 treesize of output 874 [2022-03-02 03:54:45,993 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:54:45,993 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2026113343] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 03:54:45,993 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 03:54:45,993 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20, 20] total 55 [2022-03-02 03:54:45,993 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803949711] [2022-03-02 03:54:45,993 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 03:54:45,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2022-03-02 03:54:45,994 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:54:45,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2022-03-02 03:54:45,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=2811, Unknown=0, NotChecked=0, Total=2970 [2022-03-02 03:54:45,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:54:45,995 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:54:45,995 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 1.2181818181818183) internal successors, (67), 55 states have internal predecessors, (67), 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) [2022-03-02 03:54:45,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:54:45,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:54:45,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:54:45,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:54:45,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:54:45,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:54:45,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:54:45,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:54:45,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:54:45,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:54:45,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:54:45,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:54:45,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:54:45,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:54:45,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:54:45,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:54:45,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:54:45,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:54:45,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-02 03:54:45,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-02 03:54:45,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:54:45,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-02 03:54:45,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-02 03:54:45,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-02 03:54:45,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:54:50,972 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 296 transitions and produced 189 states. [2022-03-02 03:54:50,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:54:50,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:54:50,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:54:50,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:54:50,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:54:50,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:54:50,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:54:50,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:54:50,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:54:50,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:54:50,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:54:50,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:54:50,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:54:50,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:54:50,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:54:50,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:54:50,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:54:50,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:54:50,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-02 03:54:50,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-02 03:54:50,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:54:50,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-02 03:54:50,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-02 03:54:50,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-02 03:54:50,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-02 03:54:50,992 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2022-03-02 03:54:51,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-03-02 03:54:51,183 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 03:54:51,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:54:51,184 INFO L85 PathProgramCache]: Analyzing trace with hash -76119303, now seen corresponding path program 23 times [2022-03-02 03:54:51,184 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:54:51,184 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617116507] [2022-03-02 03:54:51,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:54:51,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:54:51,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:54:51,479 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 9 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:54:51,479 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:54:51,479 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617116507] [2022-03-02 03:54:51,479 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617116507] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 03:54:51,479 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [394817298] [2022-03-02 03:54:51,479 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-02 03:54:51,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:54:51,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:54:51,492 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 03:54:51,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-03-02 03:54:51,536 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-03-02 03:54:51,536 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 03:54:51,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 42 conjunts are in the unsatisfiable core [2022-03-02 03:54:51,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:54:51,873 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2022-03-02 03:54:51,875 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 25 [2022-03-02 03:54:51,902 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 9 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:54:51,902 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 03:54:51,991 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-02 03:54:51,992 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 31 [2022-03-02 03:54:51,993 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-03-02 03:54:52,015 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 9 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:54:52,015 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [394817298] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 03:54:52,015 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 03:54:52,015 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 32 [2022-03-02 03:54:52,016 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114422946] [2022-03-02 03:54:52,016 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 03:54:52,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-03-02 03:54:52,016 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:54:52,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-03-02 03:54:52,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=911, Unknown=0, NotChecked=0, Total=992 [2022-03-02 03:54:52,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:54:52,017 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:54:52,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 1.28125) internal successors, (41), 32 states have internal predecessors, (41), 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) [2022-03-02 03:54:52,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:54:52,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:54:52,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:54:52,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:54:52,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:54:52,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:54:52,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:54:52,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:54:52,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:54:52,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:54:52,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:54:52,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:54:52,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:54:52,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:54:52,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:54:52,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:54:52,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:54:52,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:54:52,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-02 03:54:52,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-02 03:54:52,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:54:52,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-02 03:54:52,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-02 03:54:52,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-02 03:54:52,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-02 03:54:52,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:54:53,276 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 347 transitions and produced 212 states. [2022-03-02 03:54:53,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:54:53,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:54:53,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:54:53,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:54:53,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:54:53,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:54:53,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:54:53,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:54:53,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:54:53,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:54:53,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:54:53,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:54:53,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:54:53,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:54:53,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:54:53,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:54:53,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:54:53,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:54:53,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-02 03:54:53,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-02 03:54:53,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:54:53,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-02 03:54:53,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-02 03:54:53,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-02 03:54:53,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-02 03:54:53,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-02 03:54:53,295 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2022-03-02 03:54:53,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-03-02 03:54:53,478 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 03:54:53,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:54:53,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1198768823, now seen corresponding path program 24 times [2022-03-02 03:54:53,478 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:54:53,479 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670838020] [2022-03-02 03:54:53,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:54:53,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:54:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:54:53,744 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:54:53,744 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:54:53,744 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670838020] [2022-03-02 03:54:53,745 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670838020] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 03:54:53,745 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [550390330] [2022-03-02 03:54:53,745 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-02 03:54:53,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:54:53,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:54:53,746 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 03:54:53,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-03-02 03:54:53,788 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2022-03-02 03:54:53,788 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 03:54:53,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 44 conjunts are in the unsatisfiable core [2022-03-02 03:54:53,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:54:54,004 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2022-03-02 03:54:54,006 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2022-03-02 03:54:54,008 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2022-03-02 03:54:54,028 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:54:54,028 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 03:54:54,116 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-02 03:54:54,117 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 21 [2022-03-02 03:54:54,118 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-03-02 03:54:54,136 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:54:54,137 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [550390330] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 03:54:54,137 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 03:54:54,137 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 32 [2022-03-02 03:54:54,137 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62910407] [2022-03-02 03:54:54,137 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 03:54:54,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-03-02 03:54:54,137 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:54:54,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-03-02 03:54:54,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=911, Unknown=0, NotChecked=0, Total=992 [2022-03-02 03:54:54,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:54:54,138 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:54:54,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 1.28125) internal successors, (41), 32 states have internal predecessors, (41), 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) [2022-03-02 03:54:54,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:54:54,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:54:54,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:54:54,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:54:54,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:54:54,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:54:54,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:54:54,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:54:54,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:54:54,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:54:54,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:54:54,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:54:54,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:54:54,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:54:54,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:54:54,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:54:54,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:54:54,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:54:54,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-02 03:54:54,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-02 03:54:54,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:54:54,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-02 03:54:54,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-02 03:54:54,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-02 03:54:54,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-02 03:54:54,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-02 03:54:54,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:54:54,765 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 350 transitions and produced 215 states. [2022-03-02 03:54:54,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:54:54,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:54:54,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:54:54,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:54:54,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:54:54,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:54:54,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:54:54,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:54:54,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:54:54,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:54:54,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:54:54,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:54:54,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:54:54,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:54:54,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:54:54,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:54:54,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:54:54,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:54:54,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-02 03:54:54,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-02 03:54:54,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:54:54,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-02 03:54:54,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-02 03:54:54,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-02 03:54:54,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-02 03:54:54,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-02 03:54:54,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:54:54,783 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2022-03-02 03:54:54,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-03-02 03:54:54,983 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 03:54:54,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:54:54,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1526129307, now seen corresponding path program 25 times [2022-03-02 03:54:54,984 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:54:54,984 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246853228] [2022-03-02 03:54:54,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:54:54,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:54:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:54:55,829 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:54:55,829 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:54:55,830 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246853228] [2022-03-02 03:54:55,830 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246853228] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 03:54:55,830 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1599892050] [2022-03-02 03:54:55,830 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-02 03:54:55,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:54:55,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:54:55,831 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 03:54:55,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2022-03-02 03:54:55,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:54:55,871 WARN L261 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 113 conjunts are in the unsatisfiable core [2022-03-02 03:54:55,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:54:58,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:58,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:58,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:58,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:58,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:58,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:58,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:58,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:58,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:58,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:58,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:58,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:58,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:58,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:58,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:58,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:58,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:58,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:58,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:58,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:58,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:58,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:58,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:58,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:58,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:58,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:58,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:58,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:58,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:58,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:58,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:58,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:58,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:58,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:58,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:58,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:58,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:58,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:58,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:58,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:58,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:58,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:58,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:54:58,912 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 158 treesize of output 114 [2022-03-02 03:54:58,915 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:54:58,915 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 46 [2022-03-02 03:54:58,979 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:54:58,980 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 03:55:03,020 INFO L353 Elim1Store]: treesize reduction 1090, result has 12.3 percent of original size [2022-03-02 03:55:03,021 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 117 case distinctions, treesize of input 367 treesize of output 431 [2022-03-02 03:55:03,033 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:03,033 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:03,035 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:03,036 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:03,036 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:03,036 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:03,036 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:03,038 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:03,045 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:03,047 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:03,047 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:03,048 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:03,048 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:03,048 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:03,049 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:03,052 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:03,052 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:03,052 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:03,052 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:03,053 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:03,054 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:03,065 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:03,065 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:03,065 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:03,066 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:03,067 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:03,067 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:03,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:03,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:03,069 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:03,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:03,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:03,071 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:03,072 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:03,073 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:03,074 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:03,496 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 03:55:03,497 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 72 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 81 case distinctions, treesize of input 359 treesize of output 1081 [2022-03-02 03:55:16,007 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:55:16,007 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1599892050] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 03:55:16,007 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 03:55:16,007 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22, 22] total 61 [2022-03-02 03:55:16,007 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579765528] [2022-03-02 03:55:16,007 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 03:55:16,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2022-03-02 03:55:16,008 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:55:16,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2022-03-02 03:55:16,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=3483, Unknown=0, NotChecked=0, Total=3660 [2022-03-02 03:55:16,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:55:16,009 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:55:16,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 1.1967213114754098) internal successors, (73), 61 states have internal predecessors, (73), 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) [2022-03-02 03:55:16,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:55:16,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:55:16,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:55:16,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:55:16,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:55:16,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:55:16,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:55:16,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:55:16,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:55:16,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:55:16,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:55:16,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:55:16,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:55:16,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:55:16,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:55:16,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:55:16,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:55:16,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:55:16,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-02 03:55:16,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-02 03:55:16,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:55:16,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-02 03:55:16,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-02 03:55:16,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-02 03:55:16,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-02 03:55:16,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-02 03:55:16,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:55:16,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:55:24,747 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 353 transitions and produced 219 states. [2022-03-02 03:55:24,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:55:24,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:55:24,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:55:24,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:55:24,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:55:24,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:55:24,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:55:24,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:55:24,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:55:24,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:55:24,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:55:24,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:55:24,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:55:24,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:55:24,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:55:24,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:55:24,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:55:24,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:55:24,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-02 03:55:24,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-02 03:55:24,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:55:24,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-02 03:55:24,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-02 03:55:24,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-02 03:55:24,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-02 03:55:24,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-02 03:55:24,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:55:24,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-02 03:55:24,765 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2022-03-02 03:55:24,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-03-02 03:55:24,963 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 03:55:24,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:55:24,964 INFO L85 PathProgramCache]: Analyzing trace with hash -98625417, now seen corresponding path program 26 times [2022-03-02 03:55:24,964 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:55:24,964 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394122608] [2022-03-02 03:55:24,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:55:24,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:55:24,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:55:25,305 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:55:25,305 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:55:25,306 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394122608] [2022-03-02 03:55:25,306 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394122608] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 03:55:25,306 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895104613] [2022-03-02 03:55:25,306 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 03:55:25,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:55:25,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:55:25,307 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 03:55:25,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2022-03-02 03:55:25,347 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 03:55:25,347 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 03:55:25,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 46 conjunts are in the unsatisfiable core [2022-03-02 03:55:25,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:55:25,765 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2022-03-02 03:55:25,767 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 25 [2022-03-02 03:55:25,813 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:55:25,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 03:55:25,956 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-02 03:55:25,956 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 31 [2022-03-02 03:55:25,958 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-03-02 03:55:26,000 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:55:26,001 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [895104613] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 03:55:26,001 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 03:55:26,001 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 35 [2022-03-02 03:55:26,001 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902532054] [2022-03-02 03:55:26,001 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 03:55:26,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-03-02 03:55:26,001 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:55:26,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-03-02 03:55:26,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1101, Unknown=0, NotChecked=0, Total=1190 [2022-03-02 03:55:26,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:55:26,002 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:55:26,002 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 35 states have internal predecessors, (44), 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) [2022-03-02 03:55:26,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:55:26,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:55:26,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:55:26,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:55:26,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:55:26,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:55:26,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:55:26,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:55:26,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:55:26,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:55:26,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:55:26,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:55:26,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:55:26,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:55:26,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:55:26,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:55:26,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:55:26,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:55:26,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-02 03:55:26,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-02 03:55:26,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:55:26,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-02 03:55:26,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-02 03:55:26,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-02 03:55:26,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-02 03:55:26,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-02 03:55:26,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:55:26,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-03-02 03:55:26,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:55:27,579 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 409 transitions and produced 244 states. [2022-03-02 03:55:27,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:55:27,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:55:27,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:55:27,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:55:27,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:55:27,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:55:27,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:55:27,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:55:27,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:55:27,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:55:27,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:55:27,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:55:27,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:55:27,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:55:27,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:55:27,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:55:27,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:55:27,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:55:27,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-02 03:55:27,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-02 03:55:27,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:55:27,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-02 03:55:27,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-02 03:55:27,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-02 03:55:27,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-02 03:55:27,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-02 03:55:27,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:55:27,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-02 03:55:27,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-02 03:55:27,597 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2022-03-02 03:55:27,797 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-03-02 03:55:27,797 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 03:55:27,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:55:27,798 INFO L85 PathProgramCache]: Analyzing trace with hash 768200825, now seen corresponding path program 27 times [2022-03-02 03:55:27,798 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:55:27,798 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594416438] [2022-03-02 03:55:27,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:55:27,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:55:27,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:55:28,033 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:55:28,033 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:55:28,033 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594416438] [2022-03-02 03:55:28,036 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594416438] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 03:55:28,036 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [70270040] [2022-03-02 03:55:28,036 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-02 03:55:28,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:55:28,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:55:28,037 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 03:55:28,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2022-03-02 03:55:28,084 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-03-02 03:55:28,084 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 03:55:28,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 46 conjunts are in the unsatisfiable core [2022-03-02 03:55:28,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:55:28,324 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2022-03-02 03:55:28,326 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2022-03-02 03:55:28,328 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2022-03-02 03:55:28,350 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:55:28,350 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 03:55:28,442 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-02 03:55:28,442 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 21 [2022-03-02 03:55:28,445 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-03-02 03:55:28,466 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:55:28,466 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [70270040] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 03:55:28,466 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 03:55:28,466 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 35 [2022-03-02 03:55:28,466 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618380518] [2022-03-02 03:55:28,466 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 03:55:28,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-03-02 03:55:28,467 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:55:28,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-03-02 03:55:28,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1101, Unknown=0, NotChecked=0, Total=1190 [2022-03-02 03:55:28,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:55:28,467 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:55:28,467 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 35 states have internal predecessors, (44), 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) [2022-03-02 03:55:28,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:55:28,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:55:28,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:55:28,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:55:28,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:55:28,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:55:28,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:55:28,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:55:28,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:55:28,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:55:28,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:55:28,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:55:28,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:55:28,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:55:28,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:55:28,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:55:28,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:55:28,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:55:28,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-02 03:55:28,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-02 03:55:28,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:55:28,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-02 03:55:28,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-02 03:55:28,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-02 03:55:28,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-02 03:55:28,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-02 03:55:28,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:55:28,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-03-02 03:55:28,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-02 03:55:28,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:55:29,495 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 412 transitions and produced 247 states. [2022-03-02 03:55:29,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:55:29,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:55:29,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:55:29,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:55:29,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:55:29,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:55:29,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:55:29,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:55:29,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:55:29,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:55:29,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:55:29,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:55:29,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:55:29,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:55:29,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:55:29,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:55:29,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:55:29,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:55:29,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-02 03:55:29,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-02 03:55:29,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:55:29,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-02 03:55:29,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-02 03:55:29,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-02 03:55:29,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-02 03:55:29,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-02 03:55:29,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:55:29,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-02 03:55:29,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-02 03:55:29,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-02 03:55:29,517 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2022-03-02 03:55:29,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:55:29,701 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 03:55:29,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:55:29,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1988835357, now seen corresponding path program 28 times [2022-03-02 03:55:29,701 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:55:29,701 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476862135] [2022-03-02 03:55:29,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:55:29,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:55:29,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:55:30,527 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:55:30,527 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:55:30,527 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476862135] [2022-03-02 03:55:30,527 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476862135] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 03:55:30,528 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [88977547] [2022-03-02 03:55:30,528 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-02 03:55:30,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:55:30,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:55:30,529 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 03:55:30,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2022-03-02 03:55:30,570 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-02 03:55:30,571 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 03:55:30,582 WARN L261 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 125 conjunts are in the unsatisfiable core [2022-03-02 03:55:30,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:55:34,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,271 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:34,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:55:34,276 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 121 [2022-03-02 03:55:34,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:34,283 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 46 [2022-03-02 03:55:34,348 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:55:34,349 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 03:55:39,355 INFO L353 Elim1Store]: treesize reduction 1370, result has 11.1 percent of original size [2022-03-02 03:55:39,355 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 45 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 145 case distinctions, treesize of input 378 treesize of output 454 [2022-03-02 03:55:39,369 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,370 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,372 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,372 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,372 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,373 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,373 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,374 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,374 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,390 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,392 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,392 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,393 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,393 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,393 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,394 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,395 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,398 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,398 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,398 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,398 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,400 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,400 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,414 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,414 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,415 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,415 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,416 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,416 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,417 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,417 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,418 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,419 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,419 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,420 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,420 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,423 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,424 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,424 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,426 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,426 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:39,429 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:55:40,062 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 03:55:40,062 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 90 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 100 case distinctions, treesize of input 374 treesize of output 1280 [2022-03-02 03:56:47,940 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:56:47,941 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [88977547] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 03:56:47,941 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 03:56:47,941 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24, 24] total 67 [2022-03-02 03:56:47,941 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408747655] [2022-03-02 03:56:47,941 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 03:56:47,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2022-03-02 03:56:47,941 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:56:47,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2022-03-02 03:56:47,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=4227, Unknown=0, NotChecked=0, Total=4422 [2022-03-02 03:56:47,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:56:47,943 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:56:47,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 1.1791044776119404) internal successors, (79), 67 states have internal predecessors, (79), 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) [2022-03-02 03:56:47,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:56:47,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:56:47,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:56:47,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:56:47,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:56:47,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:56:47,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:56:47,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:56:47,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:56:47,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:56:47,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:56:47,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:56:47,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:56:47,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:56:47,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:56:47,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:56:47,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:56:47,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:56:47,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-02 03:56:47,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-02 03:56:47,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:56:47,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-02 03:56:47,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-02 03:56:47,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-02 03:56:47,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-02 03:56:47,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-02 03:56:47,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:56:47,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-03-02 03:56:47,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-02 03:56:47,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-03-02 03:56:47,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:56:54,472 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 415 transitions and produced 251 states. [2022-03-02 03:56:54,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:56:54,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:56:54,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:56:54,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:56:54,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:56:54,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:56:54,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:56:54,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:56:54,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:56:54,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:56:54,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:56:54,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:56:54,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:56:54,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:56:54,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:56:54,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:56:54,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:56:54,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:56:54,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-02 03:56:54,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-02 03:56:54,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:56:54,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-02 03:56:54,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-02 03:56:54,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-02 03:56:54,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-02 03:56:54,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-02 03:56:54,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:56:54,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-02 03:56:54,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-02 03:56:54,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-02 03:56:54,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-02 03:56:54,491 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2022-03-02 03:56:54,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2022-03-02 03:56:54,681 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 03:56:54,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:56:54,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1557611079, now seen corresponding path program 29 times [2022-03-02 03:56:54,681 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:56:54,681 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034226790] [2022-03-02 03:56:54,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:56:54,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:56:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:56:55,055 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 11 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:56:55,055 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:56:55,055 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034226790] [2022-03-02 03:56:55,055 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034226790] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 03:56:55,055 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29028783] [2022-03-02 03:56:55,055 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-02 03:56:55,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:56:55,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:56:55,068 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 03:56:55,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2022-03-02 03:56:55,133 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2022-03-02 03:56:55,134 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 03:56:55,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 50 conjunts are in the unsatisfiable core [2022-03-02 03:56:55,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:56:55,531 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2022-03-02 03:56:55,553 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 25 [2022-03-02 03:56:55,596 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 11 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:56:55,596 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 03:56:55,716 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-02 03:56:55,717 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 31 [2022-03-02 03:56:55,719 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-03-02 03:56:55,755 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 11 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:56:55,755 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [29028783] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 03:56:55,755 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 03:56:55,755 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 38 [2022-03-02 03:56:55,756 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221591811] [2022-03-02 03:56:55,756 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 03:56:55,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-03-02 03:56:55,756 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:56:55,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-03-02 03:56:55,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1309, Unknown=0, NotChecked=0, Total=1406 [2022-03-02 03:56:55,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:56:55,757 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:56:55,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 1.236842105263158) internal successors, (47), 38 states have internal predecessors, (47), 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) [2022-03-02 03:56:55,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:56:55,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:56:55,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:56:55,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:56:55,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:56:55,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:56:55,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:56:55,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:56:55,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:56:55,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:56:55,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:56:55,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:56:55,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:56:55,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:56:55,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:56:55,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:56:55,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:56:55,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:56:55,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-02 03:56:55,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-02 03:56:55,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:56:55,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-02 03:56:55,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-02 03:56:55,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-02 03:56:55,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-02 03:56:55,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-02 03:56:55,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:56:55,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-03-02 03:56:55,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-02 03:56:55,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-03-02 03:56:55,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-03-02 03:56:55,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:56:57,646 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 476 transitions and produced 278 states. [2022-03-02 03:56:57,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:56:57,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:56:57,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:56:57,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:56:57,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:56:57,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:56:57,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:56:57,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:56:57,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:56:57,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:56:57,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:56:57,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:56:57,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:56:57,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:56:57,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:56:57,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:56:57,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:56:57,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:56:57,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-02 03:56:57,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-02 03:56:57,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:56:57,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-02 03:56:57,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-02 03:56:57,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-02 03:56:57,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-02 03:56:57,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-02 03:56:57,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:56:57,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-02 03:56:57,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-02 03:56:57,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-02 03:56:57,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-02 03:56:57,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-02 03:56:57,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2022-03-02 03:56:57,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:56:57,848 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 03:56:57,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:56:57,848 INFO L85 PathProgramCache]: Analyzing trace with hash -455801353, now seen corresponding path program 30 times [2022-03-02 03:56:57,848 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:56:57,848 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039611794] [2022-03-02 03:56:57,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:56:57,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:56:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:56:58,215 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:56:58,215 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:56:58,216 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039611794] [2022-03-02 03:56:58,216 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039611794] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 03:56:58,216 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [336373311] [2022-03-02 03:56:58,216 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-02 03:56:58,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:56:58,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:56:58,217 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 03:56:58,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2022-03-02 03:56:58,266 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2022-03-02 03:56:58,266 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 03:56:58,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 50 conjunts are in the unsatisfiable core [2022-03-02 03:56:58,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:56:58,555 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2022-03-02 03:56:58,557 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2022-03-02 03:56:58,563 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2022-03-02 03:56:58,587 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:56:58,587 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 03:56:58,689 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-02 03:56:58,689 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 21 [2022-03-02 03:56:58,690 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-03-02 03:56:58,714 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:56:58,714 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [336373311] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 03:56:58,714 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 03:56:58,715 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 38 [2022-03-02 03:56:58,715 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86437032] [2022-03-02 03:56:58,715 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 03:56:58,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-03-02 03:56:58,715 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:56:58,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-03-02 03:56:58,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1309, Unknown=0, NotChecked=0, Total=1406 [2022-03-02 03:56:58,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:56:58,716 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:56:58,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 1.236842105263158) internal successors, (47), 38 states have internal predecessors, (47), 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) [2022-03-02 03:56:58,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:56:58,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:56:58,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:56:58,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:56:58,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:56:58,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:56:58,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:56:58,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:56:58,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:56:58,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:56:58,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:56:58,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:56:58,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:56:58,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:56:58,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:56:58,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:56:58,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:56:58,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:56:58,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-02 03:56:58,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-02 03:56:58,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:56:58,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-02 03:56:58,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-02 03:56:58,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-02 03:56:58,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-02 03:56:58,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-02 03:56:58,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:56:58,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-03-02 03:56:58,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-02 03:56:58,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-03-02 03:56:58,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-03-02 03:56:58,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-03-02 03:56:58,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:56:59,871 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 479 transitions and produced 281 states. [2022-03-02 03:56:59,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:56:59,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:56:59,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:56:59,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:56:59,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:56:59,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:56:59,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:56:59,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:56:59,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:56:59,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:56:59,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:56:59,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:56:59,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:56:59,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:56:59,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:56:59,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:56:59,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:56:59,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:56:59,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-02 03:56:59,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-02 03:56:59,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:56:59,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-02 03:56:59,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-02 03:56:59,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-02 03:56:59,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-02 03:56:59,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-02 03:56:59,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:56:59,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-02 03:56:59,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-02 03:56:59,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-02 03:56:59,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-02 03:56:59,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-02 03:56:59,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:56:59,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2022-03-02 03:57:00,073 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:57:00,073 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 03:57:00,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:57:00,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1278197211, now seen corresponding path program 31 times [2022-03-02 03:57:00,073 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:57:00,073 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612303158] [2022-03-02 03:57:00,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:57:00,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:57:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:57:01,004 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:57:01,004 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:57:01,004 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612303158] [2022-03-02 03:57:01,004 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612303158] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 03:57:01,004 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255201465] [2022-03-02 03:57:01,004 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-02 03:57:01,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:57:01,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:57:01,005 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 03:57:01,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2022-03-02 03:57:01,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:57:01,052 WARN L261 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 137 conjunts are in the unsatisfiable core [2022-03-02 03:57:01,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:57:05,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:57:05,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:05,835 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 55 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 180 treesize of output 128 [2022-03-02 03:57:05,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:05,839 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 46 [2022-03-02 03:57:05,870 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:57:05,870 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 03:57:11,575 INFO L353 Elim1Store]: treesize reduction 1682, result has 10.1 percent of original size [2022-03-02 03:57:11,576 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 55 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 176 case distinctions, treesize of input 388 treesize of output 476 [2022-03-02 03:57:11,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,595 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,609 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,609 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,613 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,613 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,624 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,624 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,624 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,625 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,626 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,627 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,627 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,627 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,627 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,629 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,629 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,629 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,630 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,631 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,631 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,631 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,634 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,636 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,636 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:11,638 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:57:12,211 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 03:57:12,212 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 110 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 121 case distinctions, treesize of input 388 treesize of output 1498 [2022-03-02 03:57:51,450 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:57:51,451 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [255201465] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 03:57:51,451 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 03:57:51,451 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26, 26] total 73 [2022-03-02 03:57:51,451 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899740705] [2022-03-02 03:57:51,451 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 03:57:51,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2022-03-02 03:57:51,451 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:57:51,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2022-03-02 03:57:51,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=5043, Unknown=0, NotChecked=0, Total=5256 [2022-03-02 03:57:51,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:57:51,453 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:57:51,453 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 1.1643835616438356) internal successors, (85), 73 states have internal predecessors, (85), 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) [2022-03-02 03:57:51,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:57:51,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:57:51,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:57:51,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:57:51,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:57:51,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:57:51,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:57:51,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:57:51,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:57:51,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:57:51,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:57:51,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:57:51,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:57:51,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:57:51,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:57:51,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:57:51,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:57:51,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:57:51,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-02 03:57:51,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-02 03:57:51,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:57:51,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-02 03:57:51,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-02 03:57:51,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-02 03:57:51,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-02 03:57:51,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-02 03:57:51,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:57:51,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-03-02 03:57:51,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-02 03:57:51,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-03-02 03:57:51,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-03-02 03:57:51,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-03-02 03:57:51,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:57:51,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:58:06,718 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 482 transitions and produced 285 states. [2022-03-02 03:58:06,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:58:06,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:58:06,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:58:06,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:58:06,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:58:06,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:58:06,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:58:06,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:58:06,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:58:06,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:58:06,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:58:06,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:58:06,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:58:06,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:58:06,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:58:06,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:58:06,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:58:06,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:58:06,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-02 03:58:06,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-02 03:58:06,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:58:06,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-02 03:58:06,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-02 03:58:06,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-02 03:58:06,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-02 03:58:06,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-02 03:58:06,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:58:06,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-02 03:58:06,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-02 03:58:06,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-02 03:58:06,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-02 03:58:06,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-02 03:58:06,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:58:06,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-03-02 03:58:06,752 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2022-03-02 03:58:06,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2022-03-02 03:58:06,921 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 03:58:06,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:58:06,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1002665033, now seen corresponding path program 32 times [2022-03-02 03:58:06,921 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:58:06,921 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430667278] [2022-03-02 03:58:06,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:58:06,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:58:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:58:07,360 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:58:07,360 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:58:07,360 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430667278] [2022-03-02 03:58:07,360 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430667278] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 03:58:07,360 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2021009002] [2022-03-02 03:58:07,360 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 03:58:07,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:58:07,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:58:07,361 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 03:58:07,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2022-03-02 03:58:07,405 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 03:58:07,405 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 03:58:07,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 54 conjunts are in the unsatisfiable core [2022-03-02 03:58:07,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:58:07,927 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2022-03-02 03:58:07,928 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 25 [2022-03-02 03:58:07,972 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:58:07,973 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 03:58:08,129 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-02 03:58:08,129 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 31 [2022-03-02 03:58:08,131 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-03-02 03:58:08,179 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:58:08,180 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2021009002] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 03:58:08,180 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 03:58:08,180 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 41 [2022-03-02 03:58:08,180 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027744562] [2022-03-02 03:58:08,180 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 03:58:08,180 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-03-02 03:58:08,180 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:58:08,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-03-02 03:58:08,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1535, Unknown=0, NotChecked=0, Total=1640 [2022-03-02 03:58:08,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:58:08,181 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:58:08,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 1.2195121951219512) internal successors, (50), 41 states have internal predecessors, (50), 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) [2022-03-02 03:58:08,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:58:08,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:58:08,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:58:08,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:58:08,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:58:08,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:58:08,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:58:08,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:58:08,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:58:08,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:58:08,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:58:08,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:58:08,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:58:08,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:58:08,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:58:08,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:58:08,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:58:08,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:58:08,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-02 03:58:08,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-02 03:58:08,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:58:08,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-02 03:58:08,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-02 03:58:08,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-02 03:58:08,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-02 03:58:08,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-02 03:58:08,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:58:08,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-03-02 03:58:08,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-02 03:58:08,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-03-02 03:58:08,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-03-02 03:58:08,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-03-02 03:58:08,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:58:08,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-03-02 03:58:08,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:58:10,436 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 548 transitions and produced 314 states. [2022-03-02 03:58:10,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:58:10,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:58:10,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:58:10,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:58:10,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:58:10,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:58:10,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:58:10,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:58:10,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:58:10,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:58:10,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:58:10,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:58:10,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:58:10,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:58:10,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:58:10,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:58:10,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:58:10,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:58:10,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-02 03:58:10,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-02 03:58:10,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:58:10,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-02 03:58:10,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-02 03:58:10,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-02 03:58:10,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-02 03:58:10,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-02 03:58:10,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:58:10,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-02 03:58:10,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-02 03:58:10,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-02 03:58:10,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-02 03:58:10,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-02 03:58:10,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:58:10,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-03-02 03:58:10,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-02 03:58:10,455 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2022-03-02 03:58:10,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2022-03-02 03:58:10,638 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 03:58:10,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:58:10,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1206301895, now seen corresponding path program 33 times [2022-03-02 03:58:10,638 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:58:10,638 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141690904] [2022-03-02 03:58:10,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:58:10,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:58:10,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:58:11,067 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:58:11,067 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:58:11,067 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141690904] [2022-03-02 03:58:11,067 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141690904] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 03:58:11,067 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [644246912] [2022-03-02 03:58:11,067 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-02 03:58:11,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:58:11,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:58:11,068 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 03:58:11,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2022-03-02 03:58:11,118 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-03-02 03:58:11,118 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 03:58:11,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 54 conjunts are in the unsatisfiable core [2022-03-02 03:58:11,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:58:11,630 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2022-03-02 03:58:11,632 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2022-03-02 03:58:11,636 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2022-03-02 03:58:11,673 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:58:11,674 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 03:58:11,842 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-02 03:58:11,842 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 21 [2022-03-02 03:58:11,844 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-03-02 03:58:11,887 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:58:11,888 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [644246912] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 03:58:11,888 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 03:58:11,888 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 41 [2022-03-02 03:58:11,888 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824381807] [2022-03-02 03:58:11,888 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 03:58:11,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-03-02 03:58:11,888 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:58:11,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-03-02 03:58:11,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1535, Unknown=0, NotChecked=0, Total=1640 [2022-03-02 03:58:11,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:58:11,889 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:58:11,889 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 1.2195121951219512) internal successors, (50), 41 states have internal predecessors, (50), 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) [2022-03-02 03:58:11,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:58:11,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:58:11,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:58:11,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:58:11,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:58:11,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:58:11,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:58:11,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:58:11,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:58:11,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:58:11,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:58:11,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:58:11,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:58:11,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:58:11,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:58:11,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:58:11,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:58:11,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:58:11,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-02 03:58:11,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-02 03:58:11,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:58:11,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-02 03:58:11,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-02 03:58:11,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-02 03:58:11,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-02 03:58:11,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-02 03:58:11,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:58:11,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-03-02 03:58:11,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-02 03:58:11,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-03-02 03:58:11,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-03-02 03:58:11,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-03-02 03:58:11,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:58:11,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-03-02 03:58:11,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-03-02 03:58:11,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:58:13,081 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 551 transitions and produced 317 states. [2022-03-02 03:58:13,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:58:13,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:58:13,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:58:13,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:58:13,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:58:13,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:58:13,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:58:13,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:58:13,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:58:13,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:58:13,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:58:13,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:58:13,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:58:13,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:58:13,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:58:13,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:58:13,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:58:13,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:58:13,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-02 03:58:13,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-02 03:58:13,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:58:13,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-02 03:58:13,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-02 03:58:13,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-02 03:58:13,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-02 03:58:13,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-02 03:58:13,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:58:13,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-02 03:58:13,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-02 03:58:13,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-02 03:58:13,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-02 03:58:13,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-02 03:58:13,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:58:13,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-03-02 03:58:13,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-02 03:58:13,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-02 03:58:13,099 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2022-03-02 03:58:13,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2022-03-02 03:58:13,299 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 03:58:13,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:58:13,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1226089763, now seen corresponding path program 34 times [2022-03-02 03:58:13,300 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:58:13,300 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661221443] [2022-03-02 03:58:13,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:58:13,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:58:13,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:58:14,166 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:58:14,166 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:58:14,166 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661221443] [2022-03-02 03:58:14,166 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661221443] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 03:58:14,166 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [267190662] [2022-03-02 03:58:14,166 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-02 03:58:14,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:58:14,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:58:14,168 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 03:58:14,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2022-03-02 03:58:14,216 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-02 03:58:14,216 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 03:58:14,218 WARN L261 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 149 conjunts are in the unsatisfiable core [2022-03-02 03:58:14,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:58:19,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,525 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:19,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:58:19,532 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 66 disjoint index pairs (out of 78 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 191 treesize of output 135 [2022-03-02 03:58:19,534 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:19,535 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 46 [2022-03-02 03:58:19,598 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:58:19,598 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 03:58:26,031 INFO L353 Elim1Store]: treesize reduction 2026, result has 9.3 percent of original size [2022-03-02 03:58:26,032 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 66 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 210 case distinctions, treesize of input 408 treesize of output 508 [2022-03-02 03:58:26,049 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,049 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,055 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,055 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,055 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,056 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,056 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,056 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,056 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,057 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,058 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,073 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,074 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,075 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,075 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,075 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,075 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,076 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,076 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,077 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,077 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,080 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,080 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,080 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,080 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,081 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,102 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,102 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,103 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,103 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,106 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,107 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,107 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,109 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,109 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,110 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,111 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,113 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:58:26,854 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 03:58:26,855 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 132 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 144 case distinctions, treesize of input 412 treesize of output 1746 [2022-03-02 03:59:21,230 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:59:21,230 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [267190662] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 03:59:21,230 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 03:59:21,230 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28, 28] total 80 [2022-03-02 03:59:21,230 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47942339] [2022-03-02 03:59:21,230 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 03:59:21,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2022-03-02 03:59:21,231 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:59:21,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2022-03-02 03:59:21,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=6085, Unknown=0, NotChecked=0, Total=6320 [2022-03-02 03:59:21,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:59:21,233 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:59:21,233 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 1.1875) internal successors, (95), 80 states have internal predecessors, (95), 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) [2022-03-02 03:59:21,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:59:21,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:59:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:59:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:59:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:59:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:59:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:59:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:59:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:59:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:59:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:59:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:59:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:59:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:59:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:59:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:59:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:59:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:59:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-02 03:59:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-02 03:59:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:59:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-02 03:59:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-02 03:59:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-02 03:59:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-02 03:59:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-02 03:59:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:59:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-03-02 03:59:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-02 03:59:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-03-02 03:59:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-03-02 03:59:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-03-02 03:59:21,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:59:21,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-03-02 03:59:21,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-03-02 03:59:21,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-03-02 03:59:21,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:59:33,262 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 554 transitions and produced 321 states. [2022-03-02 03:59:33,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:59:33,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:59:33,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:59:33,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:59:33,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:59:33,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:59:33,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:59:33,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:59:33,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:59:33,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:59:33,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:59:33,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:59:33,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:59:33,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:59:33,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:59:33,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:59:33,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:59:33,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:59:33,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-02 03:59:33,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-02 03:59:33,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:59:33,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-02 03:59:33,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-02 03:59:33,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-02 03:59:33,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-02 03:59:33,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-02 03:59:33,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:59:33,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-02 03:59:33,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-02 03:59:33,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-02 03:59:33,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-02 03:59:33,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-02 03:59:33,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:59:33,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-03-02 03:59:33,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-02 03:59:33,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-02 03:59:33,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-03-02 03:59:33,280 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2022-03-02 03:59:33,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:59:33,480 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 03:59:33,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:59:33,480 INFO L85 PathProgramCache]: Analyzing trace with hash -679180167, now seen corresponding path program 35 times [2022-03-02 03:59:33,480 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:59:33,480 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061594081] [2022-03-02 03:59:33,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:59:33,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:59:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:59:33,865 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:59:33,866 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:59:33,866 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061594081] [2022-03-02 03:59:33,866 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061594081] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 03:59:33,866 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567183067] [2022-03-02 03:59:33,866 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-02 03:59:33,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:59:33,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:59:33,867 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 03:59:33,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2022-03-02 03:59:33,961 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2022-03-02 03:59:33,961 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 03:59:33,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 58 conjunts are in the unsatisfiable core [2022-03-02 03:59:33,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:59:34,350 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2022-03-02 03:59:34,352 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 25 [2022-03-02 03:59:34,385 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:59:34,385 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 03:59:34,488 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-02 03:59:34,488 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 31 [2022-03-02 03:59:34,490 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-03-02 03:59:34,523 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:59:34,523 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1567183067] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 03:59:34,523 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 03:59:34,523 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 44 [2022-03-02 03:59:34,523 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699944353] [2022-03-02 03:59:34,523 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 03:59:34,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-03-02 03:59:34,528 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:59:34,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-03-02 03:59:34,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=1779, Unknown=0, NotChecked=0, Total=1892 [2022-03-02 03:59:34,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:59:34,529 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:59:34,535 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 1.2045454545454546) internal successors, (53), 44 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) [2022-03-02 03:59:34,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:59:34,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:59:34,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:59:34,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:59:34,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:59:34,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:59:34,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:59:34,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:59:34,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:59:34,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:59:34,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:59:34,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:59:34,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:59:34,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:59:34,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:59:34,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:59:34,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:59:34,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:59:34,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-02 03:59:34,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-02 03:59:34,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:59:34,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-02 03:59:34,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-02 03:59:34,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-02 03:59:34,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-02 03:59:34,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-02 03:59:34,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:59:34,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-03-02 03:59:34,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-02 03:59:34,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-03-02 03:59:34,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-03-02 03:59:34,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-03-02 03:59:34,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:59:34,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-03-02 03:59:34,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-03-02 03:59:34,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-03-02 03:59:34,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2022-03-02 03:59:34,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:59:36,448 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 625 transitions and produced 352 states. [2022-03-02 03:59:36,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:59:36,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:59:36,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:59:36,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:59:36,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:59:36,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:59:36,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:59:36,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:59:36,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:59:36,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:59:36,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:59:36,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:59:36,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:59:36,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:59:36,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:59:36,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:59:36,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:59:36,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:59:36,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-02 03:59:36,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-02 03:59:36,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:59:36,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-02 03:59:36,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-02 03:59:36,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-02 03:59:36,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-02 03:59:36,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-02 03:59:36,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:59:36,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-02 03:59:36,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-02 03:59:36,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-02 03:59:36,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-02 03:59:36,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-02 03:59:36,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:59:36,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-03-02 03:59:36,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-02 03:59:36,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-02 03:59:36,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-03-02 03:59:36,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-02 03:59:36,469 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2022-03-02 03:59:36,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2022-03-02 03:59:36,668 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 03:59:36,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:59:36,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1598011703, now seen corresponding path program 36 times [2022-03-02 03:59:36,668 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:59:36,669 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149842146] [2022-03-02 03:59:36,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:59:36,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:59:36,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:59:37,197 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:59:37,198 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:59:37,198 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149842146] [2022-03-02 03:59:37,198 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149842146] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 03:59:37,198 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1106419293] [2022-03-02 03:59:37,198 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-02 03:59:37,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:59:37,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:59:37,199 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 03:59:37,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2022-03-02 03:59:37,251 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2022-03-02 03:59:37,252 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 03:59:37,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 58 conjunts are in the unsatisfiable core [2022-03-02 03:59:37,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:59:37,821 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2022-03-02 03:59:37,823 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2022-03-02 03:59:37,826 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2022-03-02 03:59:37,866 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:59:37,866 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 03:59:38,037 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-02 03:59:38,037 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 21 [2022-03-02 03:59:38,039 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-03-02 03:59:38,086 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:59:38,086 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1106419293] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 03:59:38,086 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 03:59:38,086 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 44 [2022-03-02 03:59:38,087 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691985658] [2022-03-02 03:59:38,087 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 03:59:38,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-03-02 03:59:38,087 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:59:38,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-03-02 03:59:38,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=1779, Unknown=0, NotChecked=0, Total=1892 [2022-03-02 03:59:38,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:59:38,088 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:59:38,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 1.2045454545454546) internal successors, (53), 44 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) [2022-03-02 03:59:38,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:59:38,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:59:38,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:59:38,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:59:38,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:59:38,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:59:38,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:59:38,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:59:38,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:59:38,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:59:38,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:59:38,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:59:38,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:59:38,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:59:38,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:59:38,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:59:38,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:59:38,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:59:38,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-02 03:59:38,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-02 03:59:38,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:59:38,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-02 03:59:38,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-02 03:59:38,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-02 03:59:38,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-02 03:59:38,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-02 03:59:38,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:59:38,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-03-02 03:59:38,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-02 03:59:38,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-03-02 03:59:38,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-03-02 03:59:38,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-03-02 03:59:38,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:59:38,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-03-02 03:59:38,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-03-02 03:59:38,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-03-02 03:59:38,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2022-03-02 03:59:38,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-02 03:59:38,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:59:40,097 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 628 transitions and produced 355 states. [2022-03-02 03:59:40,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:59:40,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 03:59:40,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:59:40,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:59:40,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 03:59:40,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 03:59:40,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 03:59:40,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:59:40,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 03:59:40,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-02 03:59:40,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:59:40,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 03:59:40,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-02 03:59:40,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:59:40,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 03:59:40,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-02 03:59:40,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:59:40,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-02 03:59:40,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-02 03:59:40,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-02 03:59:40,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 03:59:40,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-02 03:59:40,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-02 03:59:40,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-02 03:59:40,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-02 03:59:40,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-02 03:59:40,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 03:59:40,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-02 03:59:40,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-02 03:59:40,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-02 03:59:40,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-02 03:59:40,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-02 03:59:40,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 03:59:40,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-03-02 03:59:40,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-02 03:59:40,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-02 03:59:40,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-03-02 03:59:40,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-02 03:59:40,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 03:59:40,118 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2022-03-02 03:59:40,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2022-03-02 03:59:40,299 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 03:59:40,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:59:40,300 INFO L85 PathProgramCache]: Analyzing trace with hash -2034501915, now seen corresponding path program 37 times [2022-03-02 03:59:40,300 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:59:40,300 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395390722] [2022-03-02 03:59:40,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:59:40,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:59:40,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:59:42,060 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:59:42,060 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:59:42,060 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395390722] [2022-03-02 03:59:42,060 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395390722] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 03:59:42,060 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1890346746] [2022-03-02 03:59:42,060 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-02 03:59:42,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:59:42,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:59:42,061 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 03:59:42,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2022-03-02 03:59:42,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:59:42,111 WARN L261 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 161 conjunts are in the unsatisfiable core [2022-03-02 03:59:42,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 03:59:49,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 03:59:49,810 INFO L353 Elim1Store]: treesize reduction 126, result has 2.3 percent of original size [2022-03-02 03:59:49,811 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 78 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 13 case distinctions, treesize of input 206 treesize of output 149 [2022-03-02 03:59:49,817 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-03-02 03:59:49,817 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 53 [2022-03-02 03:59:49,907 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:59:49,907 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 03:59:59,128 INFO L353 Elim1Store]: treesize reduction 2402, result has 8.6 percent of original size [2022-03-02 03:59:59,129 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 26 select indices, 26 select index equivalence classes, 78 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 247 case distinctions, treesize of input 428 treesize of output 540 [2022-03-02 03:59:59,149 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,149 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,150 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,151 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,151 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,151 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,152 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,152 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,153 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,155 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,179 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,180 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,180 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,181 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,181 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,181 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,182 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,183 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,185 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,188 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,190 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,190 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,191 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,194 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,194 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,201 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,201 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,203 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,203 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,205 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,206 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,206 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,208 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,208 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,209 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,210 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,210 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,215 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,215 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,216 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,218 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,220 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,220 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,222 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,226 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,227 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,237 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,239 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,240 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,241 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,244 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 03:59:59,261 INFO L244 Elim1Store]: Index analysis took 113 ms [2022-03-02 04:00:00,291 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 04:00:00,291 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 26 select indices, 26 select index equivalence classes, 156 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 169 case distinctions, treesize of input 436 treesize of output 2014 [2022-03-02 04:01:06,628 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:01:06,629 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1890346746] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 04:01:06,629 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 04:01:06,629 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 30, 30] total 87 [2022-03-02 04:01:06,629 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792637504] [2022-03-02 04:01:06,629 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 04:01:06,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2022-03-02 04:01:06,629 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:01:06,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2022-03-02 04:01:06,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=226, Invalid=7256, Unknown=0, NotChecked=0, Total=7482 [2022-03-02 04:01:06,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:01:06,631 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:01:06,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 1.160919540229885) internal successors, (101), 87 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) [2022-03-02 04:01:06,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 04:01:06,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 04:01:06,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 04:01:06,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 04:01:06,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 04:01:06,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 04:01:06,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-02 04:01:06,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:01:06,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 04:01:06,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-02 04:01:06,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 04:01:06,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 04:01:06,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-02 04:01:06,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 04:01:06,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 04:01:06,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-02 04:01:06,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 04:01:06,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-02 04:01:06,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-02 04:01:06,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-02 04:01:06,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:01:06,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-02 04:01:06,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-02 04:01:06,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-02 04:01:06,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-02 04:01:06,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-02 04:01:06,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 04:01:06,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-03-02 04:01:06,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-02 04:01:06,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-03-02 04:01:06,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-03-02 04:01:06,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-03-02 04:01:06,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 04:01:06,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-03-02 04:01:06,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-03-02 04:01:06,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-03-02 04:01:06,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2022-03-02 04:01:06,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-02 04:01:06,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 04:01:06,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:01:30,398 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 631 transitions and produced 359 states. [2022-03-02 04:01:30,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 04:01:30,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 04:01:30,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 04:01:30,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 04:01:30,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 04:01:30,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 04:01:30,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 04:01:30,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:01:30,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 04:01:30,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-02 04:01:30,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 04:01:30,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 04:01:30,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-02 04:01:30,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 04:01:30,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 04:01:30,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-02 04:01:30,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 04:01:30,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-02 04:01:30,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-02 04:01:30,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-02 04:01:30,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:01:30,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-02 04:01:30,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-02 04:01:30,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-02 04:01:30,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-02 04:01:30,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-02 04:01:30,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 04:01:30,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-02 04:01:30,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-02 04:01:30,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-02 04:01:30,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-02 04:01:30,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-02 04:01:30,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 04:01:30,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-03-02 04:01:30,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-02 04:01:30,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-02 04:01:30,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-03-02 04:01:30,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-02 04:01:30,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 04:01:30,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-03-02 04:01:30,419 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2022-03-02 04:01:30,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2022-03-02 04:01:30,600 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 04:01:30,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:01:30,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1321692919, now seen corresponding path program 38 times [2022-03-02 04:01:30,601 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:01:30,601 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350241558] [2022-03-02 04:01:30,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:01:30,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:01:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:01:31,122 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:01:31,123 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:01:31,123 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350241558] [2022-03-02 04:01:31,123 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350241558] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:01:31,123 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1424167085] [2022-03-02 04:01:31,123 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 04:01:31,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:01:31,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:01:31,124 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 04:01:31,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2022-03-02 04:01:31,173 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 04:01:31,173 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 04:01:31,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 62 conjunts are in the unsatisfiable core [2022-03-02 04:01:31,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 04:01:31,602 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2022-03-02 04:01:31,603 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 25 [2022-03-02 04:01:31,637 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:01:31,638 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 04:01:31,750 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-02 04:01:31,751 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 31 [2022-03-02 04:01:31,752 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-03-02 04:01:31,786 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:01:31,786 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1424167085] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 04:01:31,786 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 04:01:31,786 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 47 [2022-03-02 04:01:31,787 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909584183] [2022-03-02 04:01:31,787 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 04:01:31,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2022-03-02 04:01:31,787 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:01:31,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2022-03-02 04:01:31,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=2041, Unknown=0, NotChecked=0, Total=2162 [2022-03-02 04:01:31,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:01:31,790 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:01:31,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 1.1914893617021276) internal successors, (56), 47 states have internal predecessors, (56), 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) [2022-03-02 04:01:31,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 04:01:31,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 04:01:31,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 04:01:31,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 04:01:31,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 04:01:31,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 04:01:31,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-02 04:01:31,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:01:31,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 04:01:31,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-02 04:01:31,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 04:01:31,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 04:01:31,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-02 04:01:31,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 04:01:31,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 04:01:31,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-02 04:01:31,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 04:01:31,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-02 04:01:31,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-02 04:01:31,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-02 04:01:31,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:01:31,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-02 04:01:31,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-02 04:01:31,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-02 04:01:31,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-02 04:01:31,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-02 04:01:31,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 04:01:31,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-03-02 04:01:31,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-02 04:01:31,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-03-02 04:01:31,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-03-02 04:01:31,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-03-02 04:01:31,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 04:01:31,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-03-02 04:01:31,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-03-02 04:01:31,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-03-02 04:01:31,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2022-03-02 04:01:31,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-02 04:01:31,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 04:01:31,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-03-02 04:01:31,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:01:34,093 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 707 transitions and produced 392 states. [2022-03-02 04:01:34,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 04:01:34,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 04:01:34,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 04:01:34,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 04:01:34,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 04:01:34,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 04:01:34,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 04:01:34,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:01:34,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 04:01:34,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-02 04:01:34,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 04:01:34,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 04:01:34,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-02 04:01:34,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 04:01:34,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 04:01:34,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-02 04:01:34,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 04:01:34,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-02 04:01:34,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-02 04:01:34,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-02 04:01:34,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:01:34,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-02 04:01:34,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-02 04:01:34,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-02 04:01:34,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-02 04:01:34,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-02 04:01:34,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 04:01:34,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-02 04:01:34,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-02 04:01:34,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-02 04:01:34,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-02 04:01:34,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-02 04:01:34,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 04:01:34,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-03-02 04:01:34,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-02 04:01:34,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-02 04:01:34,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-03-02 04:01:34,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-02 04:01:34,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 04:01:34,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-03-02 04:01:34,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-02 04:01:34,114 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2022-03-02 04:01:34,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2022-03-02 04:01:34,312 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 04:01:34,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:01:34,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1099803143, now seen corresponding path program 39 times [2022-03-02 04:01:34,312 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:01:34,312 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124840051] [2022-03-02 04:01:34,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:01:34,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:01:34,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:01:34,714 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:01:34,714 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:01:34,715 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124840051] [2022-03-02 04:01:34,715 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124840051] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:01:34,715 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [182607154] [2022-03-02 04:01:34,715 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-02 04:01:34,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:01:34,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:01:34,723 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 04:01:34,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2022-03-02 04:01:34,783 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-03-02 04:01:34,783 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 04:01:34,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 64 conjunts are in the unsatisfiable core [2022-03-02 04:01:34,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 04:01:35,225 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2022-03-02 04:01:35,226 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2022-03-02 04:01:35,228 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2022-03-02 04:01:35,254 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:01:35,254 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 04:01:35,373 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-02 04:01:35,373 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 21 [2022-03-02 04:01:35,375 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-03-02 04:01:35,406 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:01:35,406 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [182607154] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 04:01:35,406 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 04:01:35,406 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 47 [2022-03-02 04:01:35,407 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522690863] [2022-03-02 04:01:35,407 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 04:01:35,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2022-03-02 04:01:35,407 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:01:35,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2022-03-02 04:01:35,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=2041, Unknown=0, NotChecked=0, Total=2162 [2022-03-02 04:01:35,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:01:35,408 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:01:35,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 1.1914893617021276) internal successors, (56), 47 states have internal predecessors, (56), 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) [2022-03-02 04:01:35,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 04:01:35,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 04:01:35,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 04:01:35,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 04:01:35,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 04:01:35,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 04:01:35,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-02 04:01:35,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:01:35,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 04:01:35,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-02 04:01:35,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 04:01:35,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 04:01:35,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-02 04:01:35,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 04:01:35,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 04:01:35,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-02 04:01:35,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 04:01:35,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-02 04:01:35,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-02 04:01:35,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-02 04:01:35,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:01:35,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-02 04:01:35,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-02 04:01:35,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-02 04:01:35,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-02 04:01:35,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-02 04:01:35,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 04:01:35,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-03-02 04:01:35,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-02 04:01:35,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-03-02 04:01:35,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-03-02 04:01:35,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-03-02 04:01:35,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 04:01:35,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-03-02 04:01:35,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-03-02 04:01:35,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-03-02 04:01:35,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2022-03-02 04:01:35,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-02 04:01:35,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 04:01:35,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-03-02 04:01:35,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-03-02 04:01:35,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:01:36,923 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 710 transitions and produced 395 states. [2022-03-02 04:01:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 04:01:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 04:01:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 04:01:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 04:01:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 04:01:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 04:01:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 04:01:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:01:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 04:01:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-02 04:01:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 04:01:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 04:01:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-02 04:01:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 04:01:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 04:01:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-02 04:01:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 04:01:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-02 04:01:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-02 04:01:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-02 04:01:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:01:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-02 04:01:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-02 04:01:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-02 04:01:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-02 04:01:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-02 04:01:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 04:01:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-02 04:01:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-02 04:01:36,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-02 04:01:36,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-02 04:01:36,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-02 04:01:36,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 04:01:36,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-03-02 04:01:36,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-02 04:01:36,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-02 04:01:36,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-03-02 04:01:36,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-02 04:01:36,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 04:01:36,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-03-02 04:01:36,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-02 04:01:36,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-02 04:01:36,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2022-03-02 04:01:37,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:01:37,134 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 04:01:37,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:01:37,135 INFO L85 PathProgramCache]: Analyzing trace with hash 232583779, now seen corresponding path program 40 times [2022-03-02 04:01:37,135 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:01:37,135 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490382378] [2022-03-02 04:01:37,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:01:37,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:01:37,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:01:38,386 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:01:38,386 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:01:38,386 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490382378] [2022-03-02 04:01:38,386 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490382378] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:01:38,386 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304253810] [2022-03-02 04:01:38,386 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-02 04:01:38,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:01:38,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:01:38,388 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 04:01:38,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2022-03-02 04:01:38,438 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-02 04:01:38,439 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 04:01:38,441 WARN L261 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 173 conjunts are in the unsatisfiable core [2022-03-02 04:01:38,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 04:01:47,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,367 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:47,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:01:47,384 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 91 disjoint index pairs (out of 105 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 213 treesize of output 149 [2022-03-02 04:01:47,387 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:47,387 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 46 [2022-03-02 04:01:47,418 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:01:47,419 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 04:01:56,178 INFO L353 Elim1Store]: treesize reduction 2810, result has 8.0 percent of original size [2022-03-02 04:01:56,178 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 91 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 287 case distinctions, treesize of input 448 treesize of output 572 [2022-03-02 04:01:56,198 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,199 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,199 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,200 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,200 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,200 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,200 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,200 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,201 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,201 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,203 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,203 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,215 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,215 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,216 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,222 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,224 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,224 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,226 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,226 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,237 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,243 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,243 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,245 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,247 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,248 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,248 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,249 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,249 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,250 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,264 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,264 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,268 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,271 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,272 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,272 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:56,280 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:01:58,355 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 04:01:58,356 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 182 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 196 case distinctions, treesize of input 460 treesize of output 2302 [2022-03-02 04:04:40,649 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:04:40,650 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1304253810] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 04:04:40,650 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 04:04:40,650 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 32, 32] total 91 [2022-03-02 04:04:40,650 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118266848] [2022-03-02 04:04:40,650 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 04:04:40,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2022-03-02 04:04:40,650 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:04:40,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2022-03-02 04:04:40,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=267, Invalid=7923, Unknown=0, NotChecked=0, Total=8190 [2022-03-02 04:04:40,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:04:40,652 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:04:40,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 1.1318681318681318) internal successors, (103), 91 states have internal predecessors, (103), 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) [2022-03-02 04:04:40,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 04:04:40,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 04:04:40,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 04:04:40,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 04:04:40,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 04:04:40,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 04:04:40,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-02 04:04:40,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:04:40,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 04:04:40,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-02 04:04:40,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 04:04:40,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 04:04:40,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-02 04:04:40,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 04:04:40,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 04:04:40,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-02 04:04:40,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 04:04:40,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-02 04:04:40,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-02 04:04:40,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-02 04:04:40,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:04:40,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-02 04:04:40,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-02 04:04:40,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-02 04:04:40,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-02 04:04:40,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-02 04:04:40,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 04:04:40,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-03-02 04:04:40,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-02 04:04:40,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-03-02 04:04:40,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-03-02 04:04:40,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-03-02 04:04:40,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 04:04:40,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-03-02 04:04:40,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-03-02 04:04:40,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-03-02 04:04:40,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2022-03-02 04:04:40,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-02 04:04:40,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 04:04:40,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-03-02 04:04:40,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-03-02 04:04:40,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-02 04:04:40,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:05:04,395 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 713 transitions and produced 399 states. [2022-03-02 04:05:04,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 04:05:04,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 04:05:04,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 04:05:04,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 04:05:04,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 04:05:04,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 04:05:04,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 04:05:04,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:05:04,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 04:05:04,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-02 04:05:04,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 04:05:04,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 04:05:04,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-02 04:05:04,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 04:05:04,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 04:05:04,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-02 04:05:04,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 04:05:04,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-02 04:05:04,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-02 04:05:04,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-02 04:05:04,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:05:04,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-02 04:05:04,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-02 04:05:04,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-02 04:05:04,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-02 04:05:04,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-02 04:05:04,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 04:05:04,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-02 04:05:04,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-02 04:05:04,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-02 04:05:04,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-02 04:05:04,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-02 04:05:04,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 04:05:04,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-03-02 04:05:04,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-02 04:05:04,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-02 04:05:04,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-03-02 04:05:04,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-02 04:05:04,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 04:05:04,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-03-02 04:05:04,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-02 04:05:04,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-02 04:05:04,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-03-02 04:05:04,423 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2022-03-02 04:05:04,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:05:04,598 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 04:05:04,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:05:04,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1413094599, now seen corresponding path program 41 times [2022-03-02 04:05:04,599 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:05:04,599 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623291369] [2022-03-02 04:05:04,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:05:04,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:05:04,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:05:05,373 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 15 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:05:05,373 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:05:05,373 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623291369] [2022-03-02 04:05:05,373 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623291369] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:05:05,373 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632665942] [2022-03-02 04:05:05,373 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-02 04:05:05,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:05:05,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:05:05,374 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 04:05:05,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2022-03-02 04:05:05,436 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2022-03-02 04:05:05,436 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 04:05:05,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 66 conjunts are in the unsatisfiable core [2022-03-02 04:05:05,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 04:05:06,140 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2022-03-02 04:05:06,142 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 25 [2022-03-02 04:05:06,178 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 15 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:05:06,178 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 04:05:06,295 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-02 04:05:06,296 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 31 [2022-03-02 04:05:06,297 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-03-02 04:05:06,346 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 15 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:05:06,346 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [632665942] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 04:05:06,346 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 04:05:06,346 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 50 [2022-03-02 04:05:06,346 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279195131] [2022-03-02 04:05:06,346 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 04:05:06,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-03-02 04:05:06,347 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:05:06,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-03-02 04:05:06,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=2321, Unknown=0, NotChecked=0, Total=2450 [2022-03-02 04:05:06,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:05:06,347 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:05:06,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 1.18) internal successors, (59), 50 states have internal predecessors, (59), 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) [2022-03-02 04:05:06,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 04:05:06,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 04:05:06,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 04:05:06,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 04:05:06,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 04:05:06,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 04:05:06,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-02 04:05:06,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:05:06,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 04:05:06,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-02 04:05:06,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 04:05:06,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 04:05:06,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-02 04:05:06,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 04:05:06,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 04:05:06,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-02 04:05:06,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 04:05:06,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-02 04:05:06,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-02 04:05:06,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-02 04:05:06,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:05:06,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-02 04:05:06,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-02 04:05:06,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-02 04:05:06,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-02 04:05:06,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-02 04:05:06,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 04:05:06,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-03-02 04:05:06,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-02 04:05:06,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-03-02 04:05:06,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-03-02 04:05:06,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-03-02 04:05:06,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 04:05:06,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-03-02 04:05:06,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-03-02 04:05:06,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-03-02 04:05:06,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2022-03-02 04:05:06,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-02 04:05:06,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 04:05:06,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-03-02 04:05:06,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-03-02 04:05:06,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-02 04:05:06,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2022-03-02 04:05:06,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:05:08,935 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 794 transitions and produced 434 states. [2022-03-02 04:05:08,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 04:05:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 04:05:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 04:05:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 04:05:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 04:05:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 04:05:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 04:05:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:05:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 04:05:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-02 04:05:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 04:05:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 04:05:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-02 04:05:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 04:05:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 04:05:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-02 04:05:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 04:05:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-02 04:05:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-02 04:05:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-02 04:05:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:05:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-02 04:05:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-02 04:05:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-02 04:05:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-02 04:05:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-02 04:05:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 04:05:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-02 04:05:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-02 04:05:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-02 04:05:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-02 04:05:08,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-02 04:05:08,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 04:05:08,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-03-02 04:05:08,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-02 04:05:08,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-02 04:05:08,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-03-02 04:05:08,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-02 04:05:08,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 04:05:08,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-03-02 04:05:08,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-02 04:05:08,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-02 04:05:08,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-03-02 04:05:08,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-03-02 04:05:08,957 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2022-03-02 04:05:09,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2022-03-02 04:05:09,151 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 04:05:09,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:05:09,152 INFO L85 PathProgramCache]: Analyzing trace with hash 829938807, now seen corresponding path program 42 times [2022-03-02 04:05:09,152 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:05:09,152 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169175168] [2022-03-02 04:05:09,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:05:09,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:05:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:05:09,706 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:05:09,706 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:05:09,706 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169175168] [2022-03-02 04:05:09,706 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169175168] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:05:09,706 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [622793044] [2022-03-02 04:05:09,706 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-02 04:05:09,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:05:09,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:05:09,708 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 04:05:09,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2022-03-02 04:05:09,769 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2022-03-02 04:05:09,769 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 04:05:09,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 66 conjunts are in the unsatisfiable core [2022-03-02 04:05:09,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 04:05:10,404 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2022-03-02 04:05:10,406 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2022-03-02 04:05:10,409 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2022-03-02 04:05:10,447 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:05:10,447 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 04:05:10,616 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-02 04:05:10,616 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 21 [2022-03-02 04:05:10,617 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-03-02 04:05:10,665 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:05:10,665 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [622793044] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 04:05:10,665 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 04:05:10,665 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 50 [2022-03-02 04:05:10,665 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831007229] [2022-03-02 04:05:10,665 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 04:05:10,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-03-02 04:05:10,666 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:05:10,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-03-02 04:05:10,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=2321, Unknown=0, NotChecked=0, Total=2450 [2022-03-02 04:05:10,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:05:10,666 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:05:10,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 1.18) internal successors, (59), 50 states have internal predecessors, (59), 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) [2022-03-02 04:05:10,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 04:05:10,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 04:05:10,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 04:05:10,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 04:05:10,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 04:05:10,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 04:05:10,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-02 04:05:10,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:05:10,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 04:05:10,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-02 04:05:10,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 04:05:10,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 04:05:10,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-02 04:05:10,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 04:05:10,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 04:05:10,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-02 04:05:10,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 04:05:10,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-02 04:05:10,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-02 04:05:10,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-02 04:05:10,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:05:10,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-02 04:05:10,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-02 04:05:10,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-02 04:05:10,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-02 04:05:10,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-02 04:05:10,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 04:05:10,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-03-02 04:05:10,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-02 04:05:10,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-03-02 04:05:10,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-03-02 04:05:10,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-03-02 04:05:10,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 04:05:10,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-03-02 04:05:10,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-03-02 04:05:10,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-03-02 04:05:10,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2022-03-02 04:05:10,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-02 04:05:10,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 04:05:10,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-03-02 04:05:10,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-03-02 04:05:10,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-02 04:05:10,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2022-03-02 04:05:10,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-03-02 04:05:10,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:05:12,810 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 797 transitions and produced 437 states. [2022-03-02 04:05:12,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 04:05:12,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 04:05:12,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 04:05:12,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 04:05:12,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 04:05:12,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 04:05:12,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-02 04:05:12,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:05:12,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 04:05:12,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-02 04:05:12,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 04:05:12,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 04:05:12,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-02 04:05:12,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 04:05:12,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 04:05:12,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-02 04:05:12,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 04:05:12,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-02 04:05:12,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-02 04:05:12,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-02 04:05:12,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:05:12,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-02 04:05:12,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-02 04:05:12,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-02 04:05:12,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-02 04:05:12,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-02 04:05:12,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 04:05:12,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-02 04:05:12,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-02 04:05:12,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-02 04:05:12,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-02 04:05:12,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-02 04:05:12,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 04:05:12,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-03-02 04:05:12,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-02 04:05:12,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-02 04:05:12,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-03-02 04:05:12,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-02 04:05:12,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-02 04:05:12,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-03-02 04:05:12,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-02 04:05:12,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-02 04:05:12,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-03-02 04:05:12,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-03-02 04:05:12,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-02 04:05:12,830 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2022-03-02 04:05:13,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2022-03-02 04:05:13,021 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 04:05:13,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:05:13,022 INFO L85 PathProgramCache]: Analyzing trace with hash -74957915, now seen corresponding path program 43 times [2022-03-02 04:05:13,022 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:05:13,022 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076907828] [2022-03-02 04:05:13,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:05:13,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:05:13,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:05:14,702 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:05:14,702 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:05:14,702 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076907828] [2022-03-02 04:05:14,702 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076907828] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:05:14,702 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [944655073] [2022-03-02 04:05:14,702 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-02 04:05:14,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:05:14,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:05:14,706 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 04:05:14,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2022-03-02 04:05:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:05:14,761 WARN L261 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 185 conjunts are in the unsatisfiable core [2022-03-02 04:05:14,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 04:05:26,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:05:26,145 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-03-02 04:05:26,146 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 119 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 1 case distinctions, treesize of input 228 treesize of output 163 [2022-03-02 04:05:26,162 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-03-02 04:05:26,162 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 53 [2022-03-02 04:05:26,282 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:05:26,282 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 04:05:38,749 INFO L353 Elim1Store]: treesize reduction 3250, result has 7.4 percent of original size [2022-03-02 04:05:38,749 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 30 select indices, 30 select index equivalence classes, 105 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 330 case distinctions, treesize of input 468 treesize of output 604 [2022-03-02 04:05:38,774 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,774 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,774 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,775 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,775 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,775 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,777 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,779 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,779 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,798 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,798 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,798 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,800 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,805 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,805 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,807 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,811 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,811 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,818 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,818 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,818 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,818 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,819 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,826 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,826 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,826 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,826 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,827 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,827 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,828 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,828 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,832 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,833 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,833 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,835 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,835 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,836 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,836 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,837 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,837 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,846 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,846 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,847 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,847 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,849 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,851 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,851 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,858 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,860 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,864 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,865 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,866 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:38,870 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:05:40,552 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 04:05:40,553 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 30 select indices, 30 select index equivalence classes, 210 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 225 case distinctions, treesize of input 484 treesize of output 2610 [2022-03-02 04:07:22,698 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:07:22,698 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [944655073] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 04:07:22,698 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 04:07:22,699 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 34, 34] total 99 [2022-03-02 04:07:22,699 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729795830] [2022-03-02 04:07:22,699 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 04:07:22,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 99 states [2022-03-02 04:07:22,699 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:07:22,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2022-03-02 04:07:22,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=9425, Unknown=0, NotChecked=0, Total=9702 [2022-03-02 04:07:22,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:07:22,700 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:07:22,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 99 states, 99 states have (on average 1.1414141414141414) internal successors, (113), 99 states have internal predecessors, (113), 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) [2022-03-02 04:07:22,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 04:07:22,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-02 04:07:22,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 04:07:22,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 04:07:22,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-02 04:07:22,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 04:07:22,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-02 04:07:22,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:07:22,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 04:07:22,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-02 04:07:22,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 04:07:22,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 04:07:22,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-02 04:07:22,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 04:07:22,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-02 04:07:22,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-02 04:07:22,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 04:07:22,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-02 04:07:22,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-02 04:07:22,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-02 04:07:22,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:07:22,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-02 04:07:22,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-02 04:07:22,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-02 04:07:22,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-02 04:07:22,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-02 04:07:22,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 04:07:22,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-03-02 04:07:22,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-02 04:07:22,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-03-02 04:07:22,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-03-02 04:07:22,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-03-02 04:07:22,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 04:07:22,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-03-02 04:07:22,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-03-02 04:07:22,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-03-02 04:07:22,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2022-03-02 04:07:22,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-02 04:07:22,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-02 04:07:22,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-03-02 04:07:22,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-03-02 04:07:22,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-02 04:07:22,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2022-03-02 04:07:22,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-03-02 04:07:22,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-02 04:07:22,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-03-02 04:07:47,436 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 04:07:47,436 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 [2022-03-02 04:07:47,436 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 [2022-03-02 04:07:47,486 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2022-03-02 04:07:47,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2022-03-02 04:07:47,670 WARN L594 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2022-03-02 04:07:47,672 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-03-02 04:07:47,672 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-03-02 04:07:47,672 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-03-02 04:07:47,675 INFO L732 BasicCegarLoop]: Path program histogram: [43, 1, 1, 1] [2022-03-02 04:07:47,677 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-02 04:07:47,677 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-02 04:07:47,678 INFO L202 PluginConnector]: Adding new model array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.03 04:07:47 BasicIcfg [2022-03-02 04:07:47,678 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-02 04:07:47,678 INFO L158 Benchmark]: Toolchain (without parser) took 858007.84ms. Allocated memory was 187.7MB in the beginning and 1.0GB in the end (delta: 823.1MB). Free memory was 150.1MB in the beginning and 739.9MB in the end (delta: -589.8MB). Peak memory consumption was 233.9MB. Max. memory is 8.0GB. [2022-03-02 04:07:47,678 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 187.7MB. Free memory was 151.3MB in the beginning and 151.3MB in the end (delta: 71.0kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 04:07:47,679 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.74ms. Allocated memory is still 187.7MB. Free memory was 150.0MB in the beginning and 148.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 04:07:47,679 INFO L158 Benchmark]: Boogie Preprocessor took 21.18ms. Allocated memory is still 187.7MB. Free memory was 148.5MB in the beginning and 147.6MB in the end (delta: 914.7kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 04:07:47,679 INFO L158 Benchmark]: RCFGBuilder took 227.79ms. Allocated memory is still 187.7MB. Free memory was 147.5MB in the beginning and 136.8MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-03-02 04:07:47,679 INFO L158 Benchmark]: TraceAbstraction took 857725.08ms. Allocated memory was 187.7MB in the beginning and 1.0GB in the end (delta: 823.1MB). Free memory was 136.3MB in the beginning and 739.9MB in the end (delta: -603.6MB). Peak memory consumption was 220.3MB. Max. memory is 8.0GB. [2022-03-02 04:07:47,680 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 0.11ms. Allocated memory is still 187.7MB. Free memory was 151.3MB in the beginning and 151.3MB in the end (delta: 71.0kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.74ms. Allocated memory is still 187.7MB. Free memory was 150.0MB in the beginning and 148.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.18ms. Allocated memory is still 187.7MB. Free memory was 148.5MB in the beginning and 147.6MB in the end (delta: 914.7kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 227.79ms. Allocated memory is still 187.7MB. Free memory was 147.5MB in the beginning and 136.8MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 857725.08ms. Allocated memory was 187.7MB in the beginning and 1.0GB in the end (delta: 823.1MB). Free memory was 136.3MB in the beginning and 739.9MB in the end (delta: -603.6MB). Peak memory consumption was 220.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 66]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while executing DepthFirstTraversal. - 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 executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 23 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 857.7s, OverallIterations: 46, TraceHistogramMax: 0, PathProgramHistogramMax: 43, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 161.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1689, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 684.2s InterpolantComputationTime, 2279 NumberOfCodeBlocks, 2279 NumberOfCodeBlocksAsserted, 195 NumberOfCheckSat, 3274 ConstructedInterpolants, 147 QuantifiedInterpolants, 133573 SizeOfPredicates, 414 NumberOfNonLiveVariables, 6744 ConjunctsInSsa, 2645 ConjunctsInUnsatCore, 134 InterpolantComputations, 2 PerfectInterpolantSequences, 358/11518 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