/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 14:17:15,248 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 14:17:15,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 14:17:15,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-09 14:17:15,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-09 14:17:15,313 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-09 14:17:15,314 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-09 14:17:15,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-09 14:17:15,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-09 14:17:15,315 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-09 14:17:15,317 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-09 14:17:15,318 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-09 14:17:15,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-09 14:17:15,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-09 14:17:15,321 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-09 14:17:15,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-09 14:17:15,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-09 14:17:15,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 14:17:15,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 14:17:15,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 14:17:15,331 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2022-02-09 14:17:15,356 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 14:17:15,356 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 14:17:15,356 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 14:17:15,356 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 14:17:15,357 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 14:17:15,357 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 14:17:15,357 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 14:17:15,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 14:17:15,357 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 14:17:15,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 14:17:15,357 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 14:17:15,357 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 14:17:15,357 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 14:17:15,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 14:17:15,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 14:17:15,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 14:17:15,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 14:17:15,358 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 14:17:15,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 14:17:15,358 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 14:17:15,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 14:17:15,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 14:17:15,358 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 14:17:15,358 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 14:17:15,358 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 14:17:15,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 14:17:15,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 14:17:15,359 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-09 14:17:15,359 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 14:17:15,359 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 14:17:15,359 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 14:17:15,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 14:17:15,359 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 14:17:15,359 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 14:17:15,359 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 14:17:15,359 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-09 14:17:15,359 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-09 14:17:15,360 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 14:17:15,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 14:17:15,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 14:17:15,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 14:17:15,570 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-09 14:17:15,575 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-09 14:17:15,576 INFO L432 ainManager$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 [2022-02-09 14:17:15,576 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl' [2022-02-09 14:17:15,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 14:17:15,594 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-09 14:17:15,596 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 14:17:15,596 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 14:17:15,596 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 14:17:15,603 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 09.02 02:17:15" (1/1) ... [2022-02-09 14:17:15,608 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 09.02 02:17:15" (1/1) ... [2022-02-09 14:17:15,613 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-09 14:17:15,614 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 14:17:15,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 14:17:15,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 14:17:15,616 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 14:17:15,622 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 09.02 02:17:15" (1/1) ... [2022-02-09 14:17:15,622 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 09.02 02:17:15" (1/1) ... [2022-02-09 14:17:15,622 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 09.02 02:17:15" (1/1) ... [2022-02-09 14:17:15,623 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 09.02 02:17:15" (1/1) ... [2022-02-09 14:17:15,624 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 09.02 02:17:15" (1/1) ... [2022-02-09 14:17:15,626 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 09.02 02:17:15" (1/1) ... [2022-02-09 14:17:15,626 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 09.02 02:17:15" (1/1) ... [2022-02-09 14:17:15,627 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 14:17:15,628 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 14:17:15,628 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 14:17:15,628 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 14:17:15,629 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 02:17:15" (1/1) ... [2022-02-09 14:17:15,634 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 14:17:15,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:17:15,650 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-09 14:17:15,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-09 14:17:15,674 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-09 14:17:15,675 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-09 14:17:15,675 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-09 14:17:15,675 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-09 14:17:15,675 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-09 14:17:15,675 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-09 14:17:15,675 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-09 14:17:15,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 14:17:15,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 14:17:15,676 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 14:17:15,709 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 14:17:15,710 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 14:17:15,817 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 14:17:15,842 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 14:17:15,843 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-09 14:17:15,843 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2022-02-09 14:17:15,844 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2022-02-09 14:17:15,845 INFO L202 PluginConnector]: Adding new model array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 02:17:15 BoogieIcfgContainer [2022-02-09 14:17:15,845 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 14:17:15,846 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 14:17:15,846 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 14:17:15,851 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 14:17:15,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 02:17:15" (1/2) ... [2022-02-09 14:17:15,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b0befb6 and model type array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 02:17:15, skipping insertion in model container [2022-02-09 14:17:15,852 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 09.02 02:17:15" (2/2) ... [2022-02-09 14:17:15,856 INFO L111 eAbstractionObserver]: Analyzing ICFG array-int-symm.wvr.bpl [2022-02-09 14:17:15,859 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 14:17:15,860 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 14:17:15,860 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 14:17:15,860 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 14:17:15,902 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-09 14:17:15,946 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 14:17:15,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:17:15,948 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-09 14:17:15,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-09 14:17:15,986 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-09 14:17:15,995 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-09 14:17:15,996 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-09 14:17:16,090 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:17:16,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:17:16,094 INFO L85 PathProgramCache]: Analyzing trace with hash -580385373, now seen corresponding path program 1 times [2022-02-09 14:17:16,103 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:17:16,103 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954674626] [2022-02-09 14:17:16,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:17:16,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:17:16,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:17:16,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:16,251 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:17:16,251 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954674626] [2022-02-09 14:17:16,251 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954674626] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 14:17:16,251 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 14:17:16,254 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-09 14:17:16,255 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26003379] [2022-02-09 14:17:16,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 14:17:16,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-09 14:17:16,258 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:17:16,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-09 14:17:16,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-09 14:17:16,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:17:16,306 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:17:16,307 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) [2022-02-09 14:17:16,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:17:16,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:17:16,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 14:17:16,390 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:17:16,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:17:16,391 INFO L85 PathProgramCache]: Analyzing trace with hash -845334535, now seen corresponding path program 1 times [2022-02-09 14:17:16,391 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:17:16,391 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937487462] [2022-02-09 14:17:16,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:17:16,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:17:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:17:16,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:16,444 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:17:16,444 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937487462] [2022-02-09 14:17:16,444 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937487462] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 14:17:16,444 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 14:17:16,444 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-09 14:17:16,444 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267338867] [2022-02-09 14:17:16,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 14:17:16,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-09 14:17:16,446 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:17:16,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-09 14:17:16,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-09 14:17:16,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:17:16,446 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:17:16,447 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) [2022-02-09 14:17:16,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:17:16,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:17:16,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:17:16,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:16,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-09 14:17:16,514 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:17:16,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:17:16,515 INFO L85 PathProgramCache]: Analyzing trace with hash -906160713, now seen corresponding path program 1 times [2022-02-09 14:17:16,515 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:17:16,515 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701751822] [2022-02-09 14:17:16,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:17:16,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:17:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:17:16,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:16,561 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:17:16,561 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701751822] [2022-02-09 14:17:16,561 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701751822] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:17:16,562 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1812928113] [2022-02-09 14:17:16,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:17:16,562 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:17:16,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:17:16,565 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 14:17:16,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-09 14:17:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:17:16,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-09 14:17:16,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:17:16,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:16,704 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:17:16,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:16,811 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1812928113] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:17:16,811 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:17:16,811 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2022-02-09 14:17:16,811 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932713505] [2022-02-09 14:17:16,812 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:17:16,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 14:17:16,812 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:17:16,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 14:17:16,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-09 14:17:16,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:17:16,814 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:17:16,815 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) [2022-02-09 14:17:16,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:17:16,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:16,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:17:16,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:17:16,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:16,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:16,908 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-09 14:17:17,096 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 [2022-02-09 14:17:17,096 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:17:17,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:17:17,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1940531813, now seen corresponding path program 1 times [2022-02-09 14:17:17,101 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:17:17,101 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683594446] [2022-02-09 14:17:17,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:17:17,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:17:17,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:17:17,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:17,366 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:17:17,366 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683594446] [2022-02-09 14:17:17,367 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683594446] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:17:17,368 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217101189] [2022-02-09 14:17:17,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:17:17,368 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:17:17,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:17:17,369 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 14:17:17,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-09 14:17:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:17:17,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 17 conjunts are in the unsatisfiable core [2022-02-09 14:17:17,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:17:17,629 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 65 [2022-02-09 14:17:17,633 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 [2022-02-09 14:17:17,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:17,696 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:17:18,022 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 14:17:18,023 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 [2022-02-09 14:17:18,032 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 14:17:18,032 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 [2022-02-09 14:17:18,236 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:18,236 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217101189] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:17:18,236 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:17:18,237 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 12 [2022-02-09 14:17:18,237 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435056808] [2022-02-09 14:17:18,237 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:17:18,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-09 14:17:18,237 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:17:18,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-09 14:17:18,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-02-09 14:17:18,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:17:18,238 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:17:18,239 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) [2022-02-09 14:17:18,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:17:18,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:18,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:18,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:17:18,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:17:18,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:18,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:18,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:18,435 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-09 14:17:18,616 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 [2022-02-09 14:17:18,617 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:17:18,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:17:18,618 INFO L85 PathProgramCache]: Analyzing trace with hash -6313097, now seen corresponding path program 2 times [2022-02-09 14:17:18,618 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:17:18,618 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354304558] [2022-02-09 14:17:18,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:17:18,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:17:18,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:17:18,703 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:18,704 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:17:18,704 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354304558] [2022-02-09 14:17:18,704 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354304558] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:17:18,704 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2023338092] [2022-02-09 14:17:18,704 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 14:17:18,704 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:17:18,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:17:18,720 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 14:17:18,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-09 14:17:18,749 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 14:17:18,750 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:17:18,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjunts are in the unsatisfiable core [2022-02-09 14:17:18,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:17:18,864 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 [2022-02-09 14:17:18,867 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 [2022-02-09 14:17:18,893 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:18,894 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:17:18,961 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-02-09 14:17:18,962 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 [2022-02-09 14:17:18,965 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 [2022-02-09 14:17:18,975 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:18,975 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2023338092] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:17:18,975 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:17:18,975 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2022-02-09 14:17:18,976 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23262682] [2022-02-09 14:17:18,976 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:17:18,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-09 14:17:18,976 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:17:18,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-09 14:17:18,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-02-09 14:17:18,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:17:18,977 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:17:18,977 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) [2022-02-09 14:17:18,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:17:18,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:18,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:18,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:18,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:17:19,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:17:19,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:19,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:19,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:19,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:17:19,199 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-09 14:17:19,391 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 [2022-02-09 14:17:19,392 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:17:19,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:17:19,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1891924615, now seen corresponding path program 3 times [2022-02-09 14:17:19,393 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:17:19,393 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48529830] [2022-02-09 14:17:19,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:17:19,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:17:19,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:17:19,483 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:19,483 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:17:19,484 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48529830] [2022-02-09 14:17:19,484 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48529830] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:17:19,484 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413499455] [2022-02-09 14:17:19,484 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 14:17:19,484 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:17:19,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:17:19,500 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 14:17:19,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-09 14:17:19,536 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-02-09 14:17:19,536 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:17:19,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjunts are in the unsatisfiable core [2022-02-09 14:17:19,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:17:19,632 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 29 treesize of output 23 [2022-02-09 14:17:19,636 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 [2022-02-09 14:17:19,641 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 [2022-02-09 14:17:19,662 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:19,662 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:17:19,748 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-02-09 14:17:19,754 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 [2022-02-09 14:17:19,757 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 [2022-02-09 14:17:19,763 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:19,764 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [413499455] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:17:19,764 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:17:19,764 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2022-02-09 14:17:19,764 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397335333] [2022-02-09 14:17:19,764 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:17:19,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-09 14:17:19,765 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:17:19,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-09 14:17:19,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-02-09 14:17:19,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:17:19,765 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:17:19,765 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) [2022-02-09 14:17:19,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:17:19,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:19,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:19,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:19,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:17:19,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:17:19,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:17:19,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:19,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:19,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:19,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:17:19,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:19,930 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-09 14:17:20,115 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 [2022-02-09 14:17:20,116 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:17:20,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:17:20,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1446621923, now seen corresponding path program 4 times [2022-02-09 14:17:20,116 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:17:20,117 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686772244] [2022-02-09 14:17:20,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:17:20,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:17:20,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:17:20,540 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:20,540 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:17:20,540 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686772244] [2022-02-09 14:17:20,540 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686772244] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:17:20,540 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211496462] [2022-02-09 14:17:20,541 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 14:17:20,541 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:17:20,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:17:20,548 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 14:17:20,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-09 14:17:20,575 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 14:17:20,575 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:17:20,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 29 conjunts are in the unsatisfiable core [2022-02-09 14:17:20,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:17:20,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:20,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:20,990 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:20,991 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 [2022-02-09 14:17:20,994 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:20,995 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 [2022-02-09 14:17:21,062 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:21,063 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:17:21,751 INFO L353 Elim1Store]: treesize reduction 26, result has 50.9 percent of original size [2022-02-09 14:17:21,751 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 208 treesize of output 188 [2022-02-09 14:17:21,761 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:21,777 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 14:17:21,777 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 172 treesize of output 166 [2022-02-09 14:17:22,120 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:22,120 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1211496462] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:17:22,120 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:17:22,120 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 20 [2022-02-09 14:17:22,121 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037326406] [2022-02-09 14:17:22,121 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:17:22,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-02-09 14:17:22,121 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:17:22,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-02-09 14:17:22,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=325, Unknown=0, NotChecked=0, Total=380 [2022-02-09 14:17:22,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:17:22,123 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:17:22,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 1.75) internal successors, (35), 20 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) [2022-02-09 14:17:22,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:17:22,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:22,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:22,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:22,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:17:22,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:22,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:17:22,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:17:22,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:22,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:22,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:22,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:17:22,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:22,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:17:22,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-09 14:17:22,659 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 [2022-02-09 14:17:22,660 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:17:22,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:17:22,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1862349497, now seen corresponding path program 5 times [2022-02-09 14:17:22,660 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:17:22,660 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684087182] [2022-02-09 14:17:22,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:17:22,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:17:22,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:17:22,771 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:22,772 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:17:22,772 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684087182] [2022-02-09 14:17:22,772 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684087182] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:17:22,772 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806175479] [2022-02-09 14:17:22,773 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 14:17:22,773 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:17:22,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:17:22,774 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 14:17:22,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-09 14:17:22,805 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2022-02-09 14:17:22,805 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:17:22,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjunts are in the unsatisfiable core [2022-02-09 14:17:22,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:17:22,966 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 [2022-02-09 14:17:22,968 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 [2022-02-09 14:17:23,007 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:23,007 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:17:23,101 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-02-09 14:17:23,101 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 [2022-02-09 14:17:23,104 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 [2022-02-09 14:17:23,119 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:23,119 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806175479] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:17:23,119 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:17:23,119 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 14 [2022-02-09 14:17:23,119 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069453223] [2022-02-09 14:17:23,120 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:17:23,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-02-09 14:17:23,120 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:17:23,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-02-09 14:17:23,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-02-09 14:17:23,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:17:23,120 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:17:23,121 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) [2022-02-09 14:17:23,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:17:23,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:23,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:23,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:23,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:17:23,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:23,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:17:23,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:17:23,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:17:23,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:23,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:23,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:23,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:17:23,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:23,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:17:23,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:17:23,417 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-02-09 14:17:23,600 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 [2022-02-09 14:17:23,603 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:17:23,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:17:23,603 INFO L85 PathProgramCache]: Analyzing trace with hash -757032713, now seen corresponding path program 6 times [2022-02-09 14:17:23,603 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:17:23,603 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866890459] [2022-02-09 14:17:23,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:17:23,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:17:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:17:23,701 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:23,701 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:17:23,702 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866890459] [2022-02-09 14:17:23,702 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866890459] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:17:23,702 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581131636] [2022-02-09 14:17:23,702 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-09 14:17:23,702 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:17:23,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:17:23,703 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 14:17:23,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-09 14:17:23,730 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2022-02-09 14:17:23,731 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:17:23,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjunts are in the unsatisfiable core [2022-02-09 14:17:23,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:17:23,833 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 [2022-02-09 14:17:23,837 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 [2022-02-09 14:17:23,842 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2022-02-09 14:17:23,865 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:23,865 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:17:23,974 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-02-09 14:17:23,974 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 [2022-02-09 14:17:23,976 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 [2022-02-09 14:17:23,987 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:23,987 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581131636] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:17:23,987 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:17:23,987 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 14 [2022-02-09 14:17:23,987 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579661990] [2022-02-09 14:17:23,987 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:17:23,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-02-09 14:17:23,988 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:17:23,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-02-09 14:17:23,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-02-09 14:17:23,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:17:23,988 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:17:23,989 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) [2022-02-09 14:17:23,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:17:23,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:23,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:23,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:23,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:17:23,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:23,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:17:23,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:17:23,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:17:24,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:17:24,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:24,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:24,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:24,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:17:24,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:24,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:17:24,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:17:24,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:17:24,187 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-09 14:17:24,375 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 [2022-02-09 14:17:24,376 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:17:24,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:17:24,376 INFO L85 PathProgramCache]: Analyzing trace with hash -2026434779, now seen corresponding path program 7 times [2022-02-09 14:17:24,376 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:17:24,376 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425113292] [2022-02-09 14:17:24,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:17:24,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:17:24,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:17:24,977 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:24,978 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:17:24,978 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425113292] [2022-02-09 14:17:24,978 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425113292] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:17:24,978 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1058987615] [2022-02-09 14:17:24,978 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-09 14:17:24,978 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:17:24,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:17:24,980 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 14:17:24,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-09 14:17:25,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:17:25,014 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 41 conjunts are in the unsatisfiable core [2022-02-09 14:17:25,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:17:25,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:25,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:25,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:25,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:25,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:25,711 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:25,711 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 [2022-02-09 14:17:25,714 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:25,714 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 [2022-02-09 14:17:25,779 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:25,780 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:17:26,772 INFO L353 Elim1Store]: treesize reduction 82, result has 35.4 percent of original size [2022-02-09 14:17:26,773 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 228 treesize of output 220 [2022-02-09 14:17:26,783 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:26,784 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:26,786 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:26,818 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 14:17:26,819 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 196 treesize of output 234 [2022-02-09 14:17:27,322 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:27,322 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1058987615] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:17:27,322 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:17:27,322 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 26 [2022-02-09 14:17:27,322 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674679469] [2022-02-09 14:17:27,322 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:17:27,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-02-09 14:17:27,323 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:17:27,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-02-09 14:17:27,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=585, Unknown=0, NotChecked=0, Total=650 [2022-02-09 14:17:27,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:17:27,323 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:17:27,323 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 1.5769230769230769) internal successors, (41), 26 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) [2022-02-09 14:17:27,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:17:27,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:27,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:27,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:27,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:17:27,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:27,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:17:27,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:17:27,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:17:27,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:17:28,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:17:28,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:28,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:28,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:28,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:17:28,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:28,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:17:28,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:17:28,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:17:28,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:17:28,045 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-09 14:17:28,227 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 [2022-02-09 14:17:28,228 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:17:28,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:17:28,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1571774135, now seen corresponding path program 8 times [2022-02-09 14:17:28,228 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:17:28,228 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262317235] [2022-02-09 14:17:28,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:17:28,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:17:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:17:28,358 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:28,358 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:17:28,358 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262317235] [2022-02-09 14:17:28,358 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262317235] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:17:28,358 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37087052] [2022-02-09 14:17:28,359 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 14:17:28,359 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:17:28,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:17:28,360 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 14:17:28,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-09 14:17:28,389 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 14:17:28,389 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:17:28,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjunts are in the unsatisfiable core [2022-02-09 14:17:28,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:17:28,533 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 [2022-02-09 14:17:28,537 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 [2022-02-09 14:17:28,576 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:28,577 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:17:28,677 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-02-09 14:17:28,677 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 [2022-02-09 14:17:28,679 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 [2022-02-09 14:17:28,697 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:28,697 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [37087052] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:17:28,697 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:17:28,697 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 17 [2022-02-09 14:17:28,697 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008767334] [2022-02-09 14:17:28,697 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:17:28,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 14:17:28,698 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:17:28,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 14:17:28,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2022-02-09 14:17:28,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:17:28,698 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:17:28,699 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) [2022-02-09 14:17:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:17:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:17:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:17:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:17:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:17:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:17:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:17:29,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:17:29,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:29,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:29,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:29,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:17:29,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:29,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:17:29,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:17:29,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:17:29,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:17:29,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:17:29,022 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-02-09 14:17:29,204 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 [2022-02-09 14:17:29,204 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:17:29,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:17:29,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1975304249, now seen corresponding path program 9 times [2022-02-09 14:17:29,205 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:17:29,205 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456474526] [2022-02-09 14:17:29,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:17:29,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:17:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:17:29,322 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:29,322 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:17:29,322 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456474526] [2022-02-09 14:17:29,322 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456474526] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:17:29,322 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [396139289] [2022-02-09 14:17:29,322 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 14:17:29,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:17:29,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:17:29,323 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) [2022-02-09 14:17:29,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-09 14:17:29,349 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-02-09 14:17:29,350 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:17:29,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjunts are in the unsatisfiable core [2022-02-09 14:17:29,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:17:29,506 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 [2022-02-09 14:17:29,511 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 [2022-02-09 14:17:29,516 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 [2022-02-09 14:17:29,536 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:29,536 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:17:29,657 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-02-09 14:17:29,658 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 [2022-02-09 14:17:29,664 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 [2022-02-09 14:17:29,676 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:29,676 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [396139289] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:17:29,677 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:17:29,677 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 17 [2022-02-09 14:17:29,677 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387472901] [2022-02-09 14:17:29,677 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:17:29,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 14:17:29,677 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:17:29,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 14:17:29,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2022-02-09 14:17:29,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:17:29,678 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:17:29,678 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) [2022-02-09 14:17:29,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:17:29,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:29,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:29,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:29,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:17:29,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:29,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:17:29,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:17:29,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:17:29,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:17:29,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:17:29,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:17:29,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:17:29,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:29,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:29,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:29,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:17:29,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:29,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:17:29,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:17:29,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:17:29,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:17:29,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:17:29,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:17:29,916 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-02-09 14:17:30,103 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 [2022-02-09 14:17:30,104 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:17:30,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:17:30,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1071632419, now seen corresponding path program 10 times [2022-02-09 14:17:30,104 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:17:30,104 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74095578] [2022-02-09 14:17:30,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:17:30,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:17:30,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:17:30,549 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:30,550 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:17:30,550 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74095578] [2022-02-09 14:17:30,550 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74095578] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:17:30,550 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1218006280] [2022-02-09 14:17:30,550 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 14:17:30,550 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:17:30,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:17:30,551 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) [2022-02-09 14:17:30,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-09 14:17:30,579 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 14:17:30,579 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:17:30,580 WARN L261 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 53 conjunts are in the unsatisfiable core [2022-02-09 14:17:30,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:17:31,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:31,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:31,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:31,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:31,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:31,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:31,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:31,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:31,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:31,528 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:31,529 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 [2022-02-09 14:17:31,533 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:31,534 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 [2022-02-09 14:17:31,591 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:31,592 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:17:32,877 INFO L353 Elim1Store]: treesize reduction 170, result has 27.0 percent of original size [2022-02-09 14:17:32,878 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 [2022-02-09 14:17:32,885 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:32,885 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:32,885 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:32,888 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:32,888 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:32,890 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:32,944 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 14:17:32,944 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 [2022-02-09 14:17:33,894 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:33,894 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1218006280] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:17:33,894 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:17:33,894 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 32 [2022-02-09 14:17:33,894 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763076800] [2022-02-09 14:17:33,894 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:17:33,895 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-02-09 14:17:33,895 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:17:33,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-02-09 14:17:33,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=911, Unknown=0, NotChecked=0, Total=992 [2022-02-09 14:17:33,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:17:33,895 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:17:33,896 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) [2022-02-09 14:17:33,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:17:33,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:33,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:33,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:33,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:17:33,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:33,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:17:33,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:17:33,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:17:33,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:17:33,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:17:33,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:17:33,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:17:34,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:17:34,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:34,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:34,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:34,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:17:34,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:34,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:17:34,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:17:34,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:17:34,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:17:34,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:17:34,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:17:34,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:17:34,769 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-02-09 14:17:34,951 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 [2022-02-09 14:17:34,951 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:17:34,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:17:34,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1172390535, now seen corresponding path program 11 times [2022-02-09 14:17:34,952 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:17:34,952 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571029645] [2022-02-09 14:17:34,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:17:34,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:17:34,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:17:35,096 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:35,096 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:17:35,097 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571029645] [2022-02-09 14:17:35,097 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571029645] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:17:35,097 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411019105] [2022-02-09 14:17:35,097 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 14:17:35,097 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:17:35,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:17:35,098 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) [2022-02-09 14:17:35,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-02-09 14:17:35,126 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2022-02-09 14:17:35,126 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:17:35,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2022-02-09 14:17:35,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:17:35,313 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 [2022-02-09 14:17:35,315 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 [2022-02-09 14:17:35,348 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:35,349 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:17:35,441 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-02-09 14:17:35,442 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 38 treesize of output 31 [2022-02-09 14:17:35,444 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 [2022-02-09 14:17:35,470 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:35,470 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [411019105] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:17:35,470 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:17:35,470 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 20 [2022-02-09 14:17:35,470 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647309559] [2022-02-09 14:17:35,470 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:17:35,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-02-09 14:17:35,472 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:17:35,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-02-09 14:17:35,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2022-02-09 14:17:35,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:17:35,472 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:17:35,472 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) [2022-02-09 14:17:35,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:17:35,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:35,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:35,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:35,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:17:35,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:35,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:17:35,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:17:35,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:17:35,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:17:35,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:17:35,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:17:35,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:17:35,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:17:35,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:17:35,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:35,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:35,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:35,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:17:35,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:35,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:17:35,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:17:35,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:17:35,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:17:35,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:17:35,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:17:35,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:17:35,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:17:35,917 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-02-09 14:17:36,100 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 [2022-02-09 14:17:36,101 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:17:36,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:17:36,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1547858889, now seen corresponding path program 12 times [2022-02-09 14:17:36,101 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:17:36,101 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343655873] [2022-02-09 14:17:36,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:17:36,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:17:36,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:17:36,232 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:36,232 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:17:36,232 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343655873] [2022-02-09 14:17:36,232 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343655873] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:17:36,232 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127158613] [2022-02-09 14:17:36,232 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-09 14:17:36,232 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:17:36,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:17:36,234 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) [2022-02-09 14:17:36,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-02-09 14:17:36,264 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2022-02-09 14:17:36,264 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:17:36,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2022-02-09 14:17:36,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:17:36,416 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 [2022-02-09 14:17:36,418 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 [2022-02-09 14:17:36,423 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 7 treesize of output 1 [2022-02-09 14:17:36,449 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:36,450 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:17:36,574 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-02-09 14:17:36,575 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 [2022-02-09 14:17:36,576 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 [2022-02-09 14:17:36,598 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:36,598 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2127158613] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:17:36,598 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:17:36,598 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 20 [2022-02-09 14:17:36,598 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701659013] [2022-02-09 14:17:36,598 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:17:36,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-02-09 14:17:36,599 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:17:36,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-02-09 14:17:36,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2022-02-09 14:17:36,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:17:36,599 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:17:36,600 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) [2022-02-09 14:17:36,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:17:36,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:36,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:36,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:36,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:17:36,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:36,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:17:36,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:17:36,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:17:36,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:17:36,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:17:36,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:17:36,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:17:36,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:17:36,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:17:36,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:17:36,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:36,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:36,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:36,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:17:36,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:36,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:17:36,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:17:36,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:17:36,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:17:36,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:17:36,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:17:36,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:17:36,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:17:36,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:17:36,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-02-09 14:17:37,145 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 [2022-02-09 14:17:37,145 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:17:37,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:17:37,145 INFO L85 PathProgramCache]: Analyzing trace with hash -772242459, now seen corresponding path program 13 times [2022-02-09 14:17:37,145 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:17:37,146 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105983685] [2022-02-09 14:17:37,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:17:37,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:17:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:17:37,827 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:37,827 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:17:37,827 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105983685] [2022-02-09 14:17:37,827 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105983685] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:17:37,827 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [484865311] [2022-02-09 14:17:37,827 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-09 14:17:37,827 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:17:37,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:17:37,828 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) [2022-02-09 14:17:37,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-02-09 14:17:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:17:37,861 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 65 conjunts are in the unsatisfiable core [2022-02-09 14:17:37,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:17:39,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:39,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:39,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:39,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:39,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:39,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:39,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:39,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:39,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:39,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:39,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:39,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:39,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:39,080 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 5 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 86 [2022-02-09 14:17:39,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:39,083 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 [2022-02-09 14:17:39,137 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:39,138 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:17:40,947 INFO L353 Elim1Store]: treesize reduction 290, result has 21.8 percent of original size [2022-02-09 14:17:40,947 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 288 treesize of output 304 [2022-02-09 14:17:40,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:40,956 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:40,956 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:40,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:40,959 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:40,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:40,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:40,963 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:40,963 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:40,966 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:41,055 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 14:17:41,056 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 264 treesize of output 450 [2022-02-09 14:17:42,097 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:42,097 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [484865311] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:17:42,097 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:17:42,097 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 14] total 38 [2022-02-09 14:17:42,097 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781963446] [2022-02-09 14:17:42,098 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:17:42,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-02-09 14:17:42,098 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:17:42,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-02-09 14:17:42,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=1303, Unknown=0, NotChecked=0, Total=1406 [2022-02-09 14:17:42,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:17:42,099 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:17:42,099 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 38 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) [2022-02-09 14:17:42,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:17:42,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:42,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:42,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:42,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:17:42,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:42,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:17:42,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:17:42,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:17:42,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:17:42,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:17:42,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:17:42,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:17:42,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:17:42,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:17:42,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:17:43,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:17:43,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:43,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:43,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:43,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:17:43,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:43,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:17:43,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:17:43,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:17:43,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:17:43,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:17:43,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:17:43,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:17:43,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:17:43,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:17:43,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:17:43,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-02-09 14:17:43,275 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 [2022-02-09 14:17:43,275 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:17:43,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:17:43,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1797030391, now seen corresponding path program 14 times [2022-02-09 14:17:43,276 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:17:43,276 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027703957] [2022-02-09 14:17:43,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:17:43,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:17:43,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:17:43,439 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:43,439 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:17:43,439 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027703957] [2022-02-09 14:17:43,439 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027703957] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:17:43,439 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968984597] [2022-02-09 14:17:43,439 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 14:17:43,439 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:17:43,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:17:43,440 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) [2022-02-09 14:17:43,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-02-09 14:17:43,472 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 14:17:43,472 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:17:43,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjunts are in the unsatisfiable core [2022-02-09 14:17:43,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:17:43,677 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 [2022-02-09 14:17:43,679 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 [2022-02-09 14:17:43,711 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:43,711 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:17:43,806 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-02-09 14:17:43,806 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 [2022-02-09 14:17:43,809 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-02-09 14:17:43,832 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:43,833 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1968984597] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:17:43,833 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:17:43,833 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 23 [2022-02-09 14:17:43,833 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711300090] [2022-02-09 14:17:43,833 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:17:43,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-02-09 14:17:43,833 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:17:43,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-02-09 14:17:43,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2022-02-09 14:17:43,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:17:43,834 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:17:43,834 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) [2022-02-09 14:17:43,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:17:43,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:43,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:43,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:43,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:17:43,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:43,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:17:43,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:17:43,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:17:43,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:17:43,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:17:43,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:17:43,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:17:43,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:17:43,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:17:43,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:17:43,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:17:44,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:17:44,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:44,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:44,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:44,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:17:44,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:44,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:17:44,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:17:44,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:17:44,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:17:44,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:17:44,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:17:44,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:17:44,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:17:44,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:17:44,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:17:44,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:17:44,408 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-02-09 14:17:44,587 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 [2022-02-09 14:17:44,588 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:17:44,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:17:44,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1252553991, now seen corresponding path program 15 times [2022-02-09 14:17:44,588 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:17:44,588 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394559247] [2022-02-09 14:17:44,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:17:44,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:17:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:17:44,759 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:44,759 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:17:44,759 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394559247] [2022-02-09 14:17:44,759 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394559247] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:17:44,759 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1423841694] [2022-02-09 14:17:44,759 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 14:17:44,759 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:17:44,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:17:44,760 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) [2022-02-09 14:17:44,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-02-09 14:17:44,797 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-02-09 14:17:44,797 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:17:44,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjunts are in the unsatisfiable core [2022-02-09 14:17:44,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:17:45,009 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 [2022-02-09 14:17:45,011 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 [2022-02-09 14:17:45,016 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 [2022-02-09 14:17:45,039 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:45,039 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:17:45,151 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-02-09 14:17:45,152 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 [2022-02-09 14:17:45,153 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 [2022-02-09 14:17:45,173 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:45,173 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1423841694] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:17:45,173 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:17:45,173 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 23 [2022-02-09 14:17:45,173 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467268806] [2022-02-09 14:17:45,173 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:17:45,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-02-09 14:17:45,174 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:17:45,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-02-09 14:17:45,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2022-02-09 14:17:45,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:17:45,174 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:17:45,174 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) [2022-02-09 14:17:45,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:17:45,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:45,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:45,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:45,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:17:45,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:45,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:17:45,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:17:45,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:17:45,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:17:45,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:17:45,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:17:45,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:17:45,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:17:45,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:17:45,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:17:45,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:17:45,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:17:45,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:17:45,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:45,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:45,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:45,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:17:45,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:45,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:17:45,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:17:45,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:17:45,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:17:45,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:17:45,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:17:45,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:17:45,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:17:45,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:17:45,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:17:45,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:17:45,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:17:45,573 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-02-09 14:17:45,753 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 [2022-02-09 14:17:45,754 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:17:45,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:17:45,754 INFO L85 PathProgramCache]: Analyzing trace with hash -207725213, now seen corresponding path program 16 times [2022-02-09 14:17:45,754 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:17:45,754 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606145773] [2022-02-09 14:17:45,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:17:45,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:17:45,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:17:46,233 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:46,233 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:17:46,233 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606145773] [2022-02-09 14:17:46,233 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606145773] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:17:46,233 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1613912759] [2022-02-09 14:17:46,234 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 14:17:46,234 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:17:46,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:17:46,235 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) [2022-02-09 14:17:46,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-02-09 14:17:46,266 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 14:17:46,266 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:17:46,267 WARN L261 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 77 conjunts are in the unsatisfiable core [2022-02-09 14:17:46,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:17:47,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:47,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:47,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:47,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:47,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:47,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:47,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:47,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:47,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:47,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:47,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:47,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:47,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:47,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:47,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:47,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:47,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:47,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:47,722 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 [2022-02-09 14:17:47,724 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:47,724 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 [2022-02-09 14:17:47,778 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:47,778 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:17:49,847 INFO L353 Elim1Store]: treesize reduction 442, result has 18.3 percent of original size [2022-02-09 14:17:49,847 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 [2022-02-09 14:17:49,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:49,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:49,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:49,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:49,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:49,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:49,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:49,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:49,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:49,866 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:49,866 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:49,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:49,869 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:49,869 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:49,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:50,009 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 14:17:50,009 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 [2022-02-09 14:17:51,369 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:51,369 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1613912759] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:17:51,369 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:17:51,369 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 16] total 43 [2022-02-09 14:17:51,369 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147000710] [2022-02-09 14:17:51,369 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:17:51,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-02-09 14:17:51,370 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:17:51,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-02-09 14:17:51,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=1683, Unknown=0, NotChecked=0, Total=1806 [2022-02-09 14:17:51,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:17:51,370 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:17:51,370 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) [2022-02-09 14:17:51,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:17:51,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:51,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:51,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:51,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:17:51,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:51,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:17:51,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:17:51,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:17:51,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:17:51,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:17:51,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:17:51,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:17:51,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:17:51,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:17:51,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:17:51,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:17:51,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:17:51,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:17:52,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:17:52,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:52,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:52,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:52,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:17:52,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:52,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:17:52,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:17:52,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:17:52,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:17:52,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:17:52,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:17:52,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:17:52,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:17:52,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:17:52,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:17:52,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:17:52,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:17:52,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:17:52,163 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-02-09 14:17:52,339 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 [2022-02-09 14:17:52,340 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:17:52,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:17:52,342 INFO L85 PathProgramCache]: Analyzing trace with hash 2117195833, now seen corresponding path program 17 times [2022-02-09 14:17:52,342 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:17:52,342 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838739622] [2022-02-09 14:17:52,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:17:52,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:17:52,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:17:52,528 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:52,528 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:17:52,528 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838739622] [2022-02-09 14:17:52,528 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838739622] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:17:52,528 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919719409] [2022-02-09 14:17:52,529 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 14:17:52,529 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:17:52,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:17:52,530 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) [2022-02-09 14:17:52,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-02-09 14:17:52,564 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2022-02-09 14:17:52,564 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:17:52,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 34 conjunts are in the unsatisfiable core [2022-02-09 14:17:52,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:17:52,808 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 [2022-02-09 14:17:52,810 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 [2022-02-09 14:17:52,847 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:52,847 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:17:52,952 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-02-09 14:17:52,953 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 [2022-02-09 14:17:52,955 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 [2022-02-09 14:17:52,991 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:52,991 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1919719409] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:17:52,991 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:17:52,991 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 26 [2022-02-09 14:17:52,991 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952374647] [2022-02-09 14:17:52,991 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:17:52,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-02-09 14:17:52,991 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:17:52,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-02-09 14:17:52,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=585, Unknown=0, NotChecked=0, Total=650 [2022-02-09 14:17:52,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:17:52,992 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:17:52,992 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) [2022-02-09 14:17:52,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:17:52,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:52,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:52,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:52,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:17:52,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:52,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:17:52,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:17:52,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:17:52,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:17:52,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:17:52,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:17:52,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:17:52,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:17:52,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:17:52,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:17:52,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:17:52,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:17:52,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:17:52,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:17:53,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:17:53,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:53,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:53,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:53,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:17:53,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:53,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:17:53,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:17:53,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:17:53,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:17:53,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:17:53,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:17:53,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:17:53,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:17:53,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:17:53,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:17:53,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:17:53,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:17:53,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:17:53,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:17:53,649 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-02-09 14:17:53,833 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 [2022-02-09 14:17:53,833 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:17:53,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:17:53,834 INFO L85 PathProgramCache]: Analyzing trace with hash 2069360503, now seen corresponding path program 18 times [2022-02-09 14:17:53,834 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:17:53,834 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127654369] [2022-02-09 14:17:53,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:17:53,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:17:53,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:17:54,035 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:54,036 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:17:54,036 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127654369] [2022-02-09 14:17:54,036 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127654369] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:17:54,036 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051738502] [2022-02-09 14:17:54,036 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-09 14:17:54,036 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:17:54,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:17:54,037 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) [2022-02-09 14:17:54,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-02-09 14:17:54,073 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2022-02-09 14:17:54,073 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:17:54,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 34 conjunts are in the unsatisfiable core [2022-02-09 14:17:54,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:17:54,297 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 [2022-02-09 14:17:54,309 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 [2022-02-09 14:17:54,314 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 [2022-02-09 14:17:54,341 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:54,341 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:17:54,455 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-02-09 14:17:54,455 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 [2022-02-09 14:17:54,457 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 [2022-02-09 14:17:54,480 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:54,480 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051738502] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:17:54,480 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:17:54,480 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 26 [2022-02-09 14:17:54,480 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534922338] [2022-02-09 14:17:54,480 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:17:54,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-02-09 14:17:54,480 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:17:54,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-02-09 14:17:54,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=585, Unknown=0, NotChecked=0, Total=650 [2022-02-09 14:17:54,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:17:54,481 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:17:54,481 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) [2022-02-09 14:17:54,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:17:54,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:54,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:54,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:54,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:17:54,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:54,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:17:54,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:17:54,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:17:54,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:17:54,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:17:54,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:17:54,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:17:54,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:17:54,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:17:54,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:17:54,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:17:54,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:17:54,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:17:54,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:17:54,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:17:54,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:17:54,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:54,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:17:54,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:54,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:17:54,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:17:54,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:17:54,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:17:54,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:17:54,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:17:54,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:17:54,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:17:54,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:17:54,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:17:54,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:17:54,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:17:54,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:17:54,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:17:54,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:17:54,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:17:54,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:17:54,914 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-02-09 14:17:55,096 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 [2022-02-09 14:17:55,097 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:17:55,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:17:55,097 INFO L85 PathProgramCache]: Analyzing trace with hash -307591003, now seen corresponding path program 19 times [2022-02-09 14:17:55,097 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:17:55,097 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006842053] [2022-02-09 14:17:55,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:17:55,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:17:55,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:17:55,665 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:55,665 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:17:55,665 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006842053] [2022-02-09 14:17:55,665 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006842053] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:17:55,665 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1706936686] [2022-02-09 14:17:55,665 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-09 14:17:55,665 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:17:55,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:17:55,666 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) [2022-02-09 14:17:55,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-02-09 14:17:55,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:17:55,704 WARN L261 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 89 conjunts are in the unsatisfiable core [2022-02-09 14:17:55,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:17:57,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:57,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:57,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:57,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:57,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:57,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:57,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:57,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:57,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:57,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:57,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:57,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:57,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:57,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:57,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:57,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:57,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:57,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:57,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:57,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:57,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:57,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:57,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:57,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:57,548 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:57,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:17:57,549 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 [2022-02-09 14:17:57,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:17:57,552 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 [2022-02-09 14:17:57,579 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:17:57,579 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:18:00,231 INFO L353 Elim1Store]: treesize reduction 626, result has 15.7 percent of original size [2022-02-09 14:18:00,232 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 [2022-02-09 14:18:00,241 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:00,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:00,245 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:00,245 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:00,245 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:00,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:00,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:00,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:00,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:00,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:00,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:00,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:00,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:00,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:00,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:00,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:00,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:00,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:00,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:00,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:00,268 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:00,468 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 14:18:00,469 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 [2022-02-09 14:18:03,161 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:18:03,161 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1706936686] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:18:03,161 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:18:03,161 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18, 18] total 49 [2022-02-09 14:18:03,162 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219219123] [2022-02-09 14:18:03,162 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:18:03,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-02-09 14:18:03,162 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:18:03,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-02-09 14:18:03,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=2211, Unknown=0, NotChecked=0, Total=2352 [2022-02-09 14:18:03,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:18:03,163 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:18:03,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 1.2448979591836735) internal successors, (61), 49 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 14:18:03,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:18:03,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:18:03,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:18:03,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:18:03,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:18:03,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:18:03,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:18:03,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:18:03,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:18:03,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:18:03,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:18:03,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:18:03,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:18:03,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:18:03,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:18:03,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:18:03,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:18:03,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:18:03,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:18:03,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:18:03,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:18:03,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:18:04,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:18:04,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:18:04,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:18:04,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:18:04,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:18:04,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:18:04,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:18:04,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:18:04,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:18:04,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:18:04,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:18:04,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:18:04,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:18:04,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:18:04,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:18:04,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:18:04,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:18:04,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:18:04,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:18:04,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:18:04,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:18:04,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:18:04,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-02-09 14:18:04,306 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 [2022-02-09 14:18:04,306 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:18:04,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:18:04,306 INFO L85 PathProgramCache]: Analyzing trace with hash -978643657, now seen corresponding path program 20 times [2022-02-09 14:18:04,306 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:18:04,306 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527213965] [2022-02-09 14:18:04,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:18:04,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:18:04,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:18:04,537 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:18:04,537 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:18:04,537 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527213965] [2022-02-09 14:18:04,537 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527213965] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:18:04,537 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1253102490] [2022-02-09 14:18:04,538 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 14:18:04,538 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:18:04,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:18:04,539 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) [2022-02-09 14:18:04,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-02-09 14:18:04,572 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 14:18:04,572 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:18:04,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 38 conjunts are in the unsatisfiable core [2022-02-09 14:18:04,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:18:04,857 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 [2022-02-09 14:18:04,859 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 [2022-02-09 14:18:04,893 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:18:04,893 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:18:05,002 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-02-09 14:18:05,002 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 [2022-02-09 14:18:05,005 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 [2022-02-09 14:18:05,036 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:18:05,036 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1253102490] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:18:05,036 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:18:05,036 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 29 [2022-02-09 14:18:05,036 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202486074] [2022-02-09 14:18:05,036 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:18:05,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-02-09 14:18:05,036 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:18:05,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-02-09 14:18:05,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=739, Unknown=0, NotChecked=0, Total=812 [2022-02-09 14:18:05,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:18:05,037 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:18:05,037 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) [2022-02-09 14:18:05,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:18:05,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:18:05,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:18:05,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:18:05,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:18:05,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:18:05,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:18:05,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:18:05,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:18:05,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:18:05,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:18:05,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:18:05,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:18:05,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:18:05,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:18:05,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:18:05,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:18:05,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:18:05,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:18:05,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:18:05,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:18:05,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:18:05,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:18:05,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:18:05,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:18:05,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:18:05,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:18:05,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:18:05,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:18:05,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:18:05,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:18:05,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:18:05,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:18:05,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:18:05,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:18:05,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:18:05,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:18:05,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:18:05,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:18:05,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:18:05,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:18:05,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:18:05,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:18:05,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:18:05,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:18:05,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:18:05,816 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2022-02-09 14:18:05,997 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 [2022-02-09 14:18:05,997 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:18:05,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:18:05,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1833428409, now seen corresponding path program 21 times [2022-02-09 14:18:05,998 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:18:05,998 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406050668] [2022-02-09 14:18:05,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:18:05,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:18:06,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:18:06,240 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:18:06,240 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:18:06,240 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406050668] [2022-02-09 14:18:06,240 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406050668] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:18:06,240 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [8198520] [2022-02-09 14:18:06,240 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 14:18:06,241 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:18:06,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:18:06,242 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) [2022-02-09 14:18:06,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-02-09 14:18:06,283 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-02-09 14:18:06,283 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:18:06,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 38 conjunts are in the unsatisfiable core [2022-02-09 14:18:06,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:18:06,561 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 [2022-02-09 14:18:06,563 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 [2022-02-09 14:18:06,566 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 [2022-02-09 14:18:06,594 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:18:06,594 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:18:06,728 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-02-09 14:18:06,728 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 [2022-02-09 14:18:06,734 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 [2022-02-09 14:18:06,784 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:18:06,785 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [8198520] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:18:06,785 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:18:06,785 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 29 [2022-02-09 14:18:06,785 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024758245] [2022-02-09 14:18:06,785 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:18:06,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-02-09 14:18:06,785 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:18:06,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-02-09 14:18:06,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=739, Unknown=0, NotChecked=0, Total=812 [2022-02-09 14:18:06,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:18:06,787 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:18:06,787 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) [2022-02-09 14:18:06,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:18:06,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:18:06,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:18:06,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:18:06,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:18:06,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:18:06,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:18:06,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:18:06,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:18:06,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:18:06,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:18:06,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:18:06,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:18:06,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:18:06,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:18:06,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:18:06,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:18:06,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:18:06,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:18:06,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:18:06,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:18:06,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:18:06,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:18:06,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:18:07,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:18:07,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:18:07,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:18:07,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:18:07,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:18:07,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:18:07,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:18:07,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:18:07,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:18:07,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:18:07,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:18:07,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:18:07,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:18:07,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:18:07,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:18:07,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:18:07,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:18:07,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:18:07,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:18:07,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:18:07,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:18:07,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:18:07,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:18:07,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:18:07,360 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2022-02-09 14:18:07,543 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 [2022-02-09 14:18:07,544 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:18:07,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:18:07,544 INFO L85 PathProgramCache]: Analyzing trace with hash 968448675, now seen corresponding path program 22 times [2022-02-09 14:18:07,544 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:18:07,544 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710891280] [2022-02-09 14:18:07,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:18:07,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:18:07,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:18:08,197 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:18:08,198 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:18:08,198 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710891280] [2022-02-09 14:18:08,198 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710891280] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:18:08,198 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [691710943] [2022-02-09 14:18:08,198 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 14:18:08,198 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:18:08,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:18:08,199 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) [2022-02-09 14:18:08,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-02-09 14:18:08,234 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 14:18:08,234 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:18:08,235 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 101 conjunts are in the unsatisfiable core [2022-02-09 14:18:08,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:18:10,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:10,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:10,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:10,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:10,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:10,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:10,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:10,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:10,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:10,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:10,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:10,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:10,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:10,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:10,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:10,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:10,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:10,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:10,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:10,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:10,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:10,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:10,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:10,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:10,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:10,549 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:10,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:10,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:10,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:10,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:10,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:10,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:10,552 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 [2022-02-09 14:18:10,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:10,555 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 58 treesize of output 46 [2022-02-09 14:18:10,611 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:18:10,611 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:18:13,990 INFO L353 Elim1Store]: treesize reduction 842, result has 13.8 percent of original size [2022-02-09 14:18:13,990 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 [2022-02-09 14:18:14,000 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:14,001 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:14,003 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:14,003 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:14,003 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:14,004 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:14,004 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:14,012 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:14,014 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:14,014 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:14,014 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:14,014 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:14,015 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:14,020 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:14,020 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:14,020 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:14,021 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:14,021 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:14,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:14,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:14,030 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:14,030 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:14,031 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:14,032 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:14,032 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:14,033 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:14,033 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:14,034 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:14,331 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 14:18:14,331 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 [2022-02-09 14:18:22,376 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:18:22,376 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [691710943] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:18:22,376 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:18:22,376 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20, 20] total 56 [2022-02-09 14:18:22,376 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132146271] [2022-02-09 14:18:22,376 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:18:22,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2022-02-09 14:18:22,377 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:18:22,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2022-02-09 14:18:22,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=2917, Unknown=0, NotChecked=0, Total=3080 [2022-02-09 14:18:22,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:18:22,378 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:18:22,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 1.2678571428571428) internal successors, (71), 56 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 14:18:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:18:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:18:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:18:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:18:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:18:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:18:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:18:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:18:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:18:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:18:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:18:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:18:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:18:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:18:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:18:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:18:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:18:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:18:22,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:18:22,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:18:22,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:18:22,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:18:22,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:18:22,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:18:22,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:18:23,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:18:23,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:18:23,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:18:23,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:18:23,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:18:23,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:18:23,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:18:23,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:18:23,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:18:23,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:18:23,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:18:23,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:18:23,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:18:23,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:18:23,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:18:23,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:18:23,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:18:23,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:18:23,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:18:23,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:18:23,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:18:23,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:18:23,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:18:23,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:18:23,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:18:23,274 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2022-02-09 14:18:23,463 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 [2022-02-09 14:18:23,463 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:18:23,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:18:23,464 INFO L85 PathProgramCache]: Analyzing trace with hash -76119303, now seen corresponding path program 23 times [2022-02-09 14:18:23,464 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:18:23,464 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123466977] [2022-02-09 14:18:23,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:18:23,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:18:23,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:18:23,727 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 9 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:18:23,727 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:18:23,728 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123466977] [2022-02-09 14:18:23,728 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123466977] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:18:23,728 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1668403036] [2022-02-09 14:18:23,728 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 14:18:23,728 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:18:23,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:18:23,729 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) [2022-02-09 14:18:23,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-02-09 14:18:23,773 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-02-09 14:18:23,774 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:18:23,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 42 conjunts are in the unsatisfiable core [2022-02-09 14:18:23,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:18:24,103 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 [2022-02-09 14:18:24,105 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 [2022-02-09 14:18:24,147 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 9 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:18:24,147 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:18:24,270 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-02-09 14:18:24,270 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 [2022-02-09 14:18:24,272 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 [2022-02-09 14:18:24,305 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 9 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:18:24,306 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1668403036] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:18:24,306 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:18:24,306 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 32 [2022-02-09 14:18:24,306 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992400044] [2022-02-09 14:18:24,306 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:18:24,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-02-09 14:18:24,306 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:18:24,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-02-09 14:18:24,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=911, Unknown=0, NotChecked=0, Total=992 [2022-02-09 14:18:24,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:18:24,307 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:18:24,307 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) [2022-02-09 14:18:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:18:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:18:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:18:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:18:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:18:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:18:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:18:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:18:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:18:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:18:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:18:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:18:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:18:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:18:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:18:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:18:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:18:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:18:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:18:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:18:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:18:24,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:18:24,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:18:24,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:18:24,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:18:24,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:18:25,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:18:25,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:18:25,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:18:25,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:18:25,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:18:25,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:18:25,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:18:25,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:18:25,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:18:25,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:18:25,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:18:25,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:18:25,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:18:25,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:18:25,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:18:25,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:18:25,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:18:25,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:18:25,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:18:25,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:18:25,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:18:25,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:18:25,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:18:25,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:18:25,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:18:25,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:18:25,176 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2022-02-09 14:18:25,359 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 [2022-02-09 14:18:25,359 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:18:25,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:18:25,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1198768823, now seen corresponding path program 24 times [2022-02-09 14:18:25,360 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:18:25,360 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88600100] [2022-02-09 14:18:25,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:18:25,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:18:25,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:18:25,638 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:18:25,638 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:18:25,639 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88600100] [2022-02-09 14:18:25,639 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88600100] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:18:25,639 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448505257] [2022-02-09 14:18:25,639 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-09 14:18:25,639 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:18:25,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:18:25,640 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) [2022-02-09 14:18:25,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-02-09 14:18:25,683 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2022-02-09 14:18:25,683 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:18:25,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 44 conjunts are in the unsatisfiable core [2022-02-09 14:18:25,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:18:25,993 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 [2022-02-09 14:18:25,996 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 [2022-02-09 14:18:25,998 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 [2022-02-09 14:18:26,027 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:18:26,027 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:18:26,170 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-02-09 14:18:26,171 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 [2022-02-09 14:18:26,172 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 [2022-02-09 14:18:26,205 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:18:26,205 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [448505257] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:18:26,205 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:18:26,205 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 32 [2022-02-09 14:18:26,205 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498723260] [2022-02-09 14:18:26,205 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:18:26,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-02-09 14:18:26,205 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:18:26,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-02-09 14:18:26,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=911, Unknown=0, NotChecked=0, Total=992 [2022-02-09 14:18:26,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:18:26,206 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:18:26,206 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) [2022-02-09 14:18:26,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:18:26,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:18:26,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:18:26,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:18:26,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:18:26,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:18:26,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:18:26,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:18:26,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:18:26,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:18:26,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:18:26,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:18:26,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:18:26,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:18:26,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:18:26,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:18:26,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:18:26,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:18:26,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:18:26,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:18:26,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:18:26,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:18:26,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:18:26,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:18:26,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:18:26,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:18:26,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:18:26,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:18:26,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:18:26,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:18:26,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:18:26,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:18:26,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:18:26,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:18:26,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:18:26,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:18:26,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:18:26,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:18:26,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:18:26,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:18:26,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:18:26,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:18:26,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:18:26,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:18:26,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:18:26,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:18:26,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:18:26,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:18:26,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:18:26,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:18:26,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:18:26,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:18:26,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:18:26,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:18:26,876 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2022-02-09 14:18:27,059 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 [2022-02-09 14:18:27,059 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:18:27,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:18:27,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1526129307, now seen corresponding path program 25 times [2022-02-09 14:18:27,059 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:18:27,059 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837856773] [2022-02-09 14:18:27,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:18:27,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:18:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:18:27,706 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:18:27,706 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:18:27,706 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837856773] [2022-02-09 14:18:27,706 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837856773] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:18:27,706 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114403165] [2022-02-09 14:18:27,706 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-09 14:18:27,706 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:18:27,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:18:27,708 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) [2022-02-09 14:18:27,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2022-02-09 14:18:27,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:18:27,747 WARN L261 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 113 conjunts are in the unsatisfiable core [2022-02-09 14:18:27,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:18:30,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:30,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:30,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:30,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:30,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:30,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:30,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:30,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:30,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:30,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:30,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:30,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:30,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:30,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:30,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:30,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:30,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:30,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:30,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:30,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:30,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:30,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:30,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:30,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:30,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:30,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:30,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:30,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:30,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:30,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:30,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:30,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:30,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:30,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:30,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:30,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:30,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:30,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:30,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:30,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:30,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:30,539 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:30,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:18:30,540 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 [2022-02-09 14:18:30,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:30,546 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 [2022-02-09 14:18:30,615 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:18:30,616 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:18:34,842 INFO L353 Elim1Store]: treesize reduction 1090, result has 12.3 percent of original size [2022-02-09 14:18:34,842 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 348 treesize of output 412 [2022-02-09 14:18:34,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:34,860 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:34,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:34,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:34,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:34,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:34,863 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:34,864 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:34,873 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:34,875 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:34,875 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:34,876 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:34,876 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:34,876 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:34,878 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:34,883 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:34,883 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:34,890 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:34,890 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:34,890 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:34,892 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:34,901 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:34,902 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:34,902 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:34,902 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:34,903 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:34,904 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:34,904 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:34,905 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:34,906 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:34,907 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:34,907 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:34,908 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:34,909 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:34,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:34,912 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:18:35,355 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 14:18:35,356 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 340 treesize of output 1062 [2022-02-09 14:18:50,069 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:18:50,070 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2114403165] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:18:50,070 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:18:50,070 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22, 22] total 62 [2022-02-09 14:18:50,070 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855102099] [2022-02-09 14:18:50,070 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:18:50,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2022-02-09 14:18:50,071 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:18:50,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2022-02-09 14:18:50,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=3601, Unknown=0, NotChecked=0, Total=3782 [2022-02-09 14:18:50,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:18:50,072 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:18:50,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 1.2419354838709677) internal successors, (77), 62 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 14:18:50,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:18:50,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:18:50,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:18:50,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:18:50,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:18:50,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:18:50,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:18:50,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:18:50,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:18:50,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:18:50,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:18:50,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:18:50,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:18:50,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:18:50,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:18:50,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:18:50,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:18:50,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:18:50,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:18:50,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:18:50,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:18:50,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:18:50,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:18:50,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:18:50,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:18:50,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:18:50,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:18:50,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:18:51,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:18:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:18:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:18:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:18:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:18:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:18:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:18:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:18:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:18:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:18:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:18:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:18:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:18:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:18:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:18:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:18:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:18:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:18:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:18:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:18:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:18:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:18:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:18:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:18:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:18:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:18:51,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:18:51,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:18:51,512 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2022-02-09 14:18:51,692 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 [2022-02-09 14:18:51,693 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:18:51,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:18:51,693 INFO L85 PathProgramCache]: Analyzing trace with hash -98625417, now seen corresponding path program 26 times [2022-02-09 14:18:51,693 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:18:51,693 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609888931] [2022-02-09 14:18:51,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:18:51,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:18:51,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:18:52,038 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:18:52,039 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:18:52,039 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609888931] [2022-02-09 14:18:52,039 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609888931] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:18:52,039 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557517941] [2022-02-09 14:18:52,039 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 14:18:52,039 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:18:52,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:18:52,040 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) [2022-02-09 14:18:52,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2022-02-09 14:18:52,082 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 14:18:52,082 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:18:52,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 46 conjunts are in the unsatisfiable core [2022-02-09 14:18:52,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:18:52,477 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 [2022-02-09 14:18:52,479 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 [2022-02-09 14:18:52,528 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:18:52,528 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:18:52,669 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-02-09 14:18:52,669 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 [2022-02-09 14:18:52,672 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 [2022-02-09 14:18:52,710 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:18:52,710 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1557517941] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:18:52,710 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:18:52,710 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 35 [2022-02-09 14:18:52,710 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524394619] [2022-02-09 14:18:52,711 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:18:52,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-02-09 14:18:52,711 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:18:52,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-02-09 14:18:52,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1101, Unknown=0, NotChecked=0, Total=1190 [2022-02-09 14:18:52,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:18:52,712 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:18:52,712 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) [2022-02-09 14:18:52,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:18:52,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:18:52,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:18:52,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:18:52,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:18:52,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:18:52,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:18:52,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:18:52,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:18:52,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:18:52,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:18:52,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:18:52,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:18:52,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:18:52,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:18:52,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:18:52,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:18:52,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:18:52,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:18:52,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:18:52,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:18:52,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:18:52,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:18:52,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:18:52,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:18:52,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:18:52,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:18:52,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:18:52,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:18:53,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:18:53,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:18:53,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:18:53,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:18:53,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:18:53,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:18:53,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:18:53,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:18:53,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:18:53,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:18:53,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:18:53,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:18:53,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:18:53,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:18:53,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:18:53,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:18:53,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:18:53,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:18:53,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:18:53,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:18:53,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:18:53,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:18:53,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:18:53,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:18:53,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:18:53,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:18:53,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:18:53,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:18:53,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 14:18:53,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2022-02-09 14:18:54,057 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 [2022-02-09 14:18:54,057 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:18:54,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:18:54,058 INFO L85 PathProgramCache]: Analyzing trace with hash 768200825, now seen corresponding path program 27 times [2022-02-09 14:18:54,058 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:18:54,058 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943279515] [2022-02-09 14:18:54,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:18:54,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:18:54,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:18:54,416 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:18:54,417 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:18:54,417 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943279515] [2022-02-09 14:18:54,417 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943279515] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:18:54,417 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1845433762] [2022-02-09 14:18:54,417 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 14:18:54,417 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:18:54,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:18:54,418 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) [2022-02-09 14:18:54,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2022-02-09 14:18:54,471 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-02-09 14:18:54,471 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:18:54,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 46 conjunts are in the unsatisfiable core [2022-02-09 14:18:54,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:18:54,845 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 [2022-02-09 14:18:54,847 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 [2022-02-09 14:18:54,851 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 [2022-02-09 14:18:54,890 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:18:54,890 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:18:55,038 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-02-09 14:18:55,038 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 [2022-02-09 14:18:55,040 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 [2022-02-09 14:18:55,075 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:18:55,075 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1845433762] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:18:55,075 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:18:55,075 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 35 [2022-02-09 14:18:55,075 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378830610] [2022-02-09 14:18:55,075 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:18:55,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-02-09 14:18:55,076 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:18:55,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-02-09 14:18:55,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1101, Unknown=0, NotChecked=0, Total=1190 [2022-02-09 14:18:55,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:18:55,076 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:18:55,077 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) [2022-02-09 14:18:55,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:18:55,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:18:55,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:18:55,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:18:55,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:18:55,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:18:55,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:18:55,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:18:55,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:18:55,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:18:55,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:18:55,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:18:55,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:18:55,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:18:55,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:18:55,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:18:55,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:18:55,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:18:55,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:18:55,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:18:55,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:18:55,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:18:55,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:18:55,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:18:55,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:18:55,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:18:55,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:18:55,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:18:55,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 14:18:55,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:18:55,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:18:55,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:18:55,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:18:55,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:18:55,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:18:55,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:18:55,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:18:55,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:18:55,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:18:55,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:18:55,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:18:55,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:18:55,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:18:55,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:18:55,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:18:55,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:18:55,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:18:55,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:18:55,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:18:55,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:18:55,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:18:55,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:18:55,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:18:55,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:18:55,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:18:55,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:18:55,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:18:55,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:18:55,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 14:18:55,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 14:18:55,856 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2022-02-09 14:18:56,039 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 [2022-02-09 14:18:56,039 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:18:56,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:18:56,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1988835357, now seen corresponding path program 28 times [2022-02-09 14:18:56,039 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:18:56,039 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035238579] [2022-02-09 14:18:56,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:18:56,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:18:56,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:18:56,710 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:18:56,710 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:18:56,710 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035238579] [2022-02-09 14:18:56,710 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035238579] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:18:56,710 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567924342] [2022-02-09 14:18:56,710 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 14:18:56,710 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:18:56,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:18:56,711 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) [2022-02-09 14:18:56,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2022-02-09 14:18:56,750 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 14:18:56,750 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:18:56,751 WARN L261 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 125 conjunts are in the unsatisfiable core [2022-02-09 14:18:56,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:19:00,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,367 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:00,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:00,379 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 [2022-02-09 14:19:00,383 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:00,384 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 [2022-02-09 14:19:00,443 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:19:00,443 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:19:05,699 INFO L353 Elim1Store]: treesize reduction 1370, result has 11.1 percent of original size [2022-02-09 14:19:05,700 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 368 treesize of output 444 [2022-02-09 14:19:05,713 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,714 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,718 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,718 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,732 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,742 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,745 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,745 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,756 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,756 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,756 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,756 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,761 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,761 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,765 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,765 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,767 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,767 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:05,770 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:06,402 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 14:19:06,402 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 364 treesize of output 1270 [2022-02-09 14:19:18,394 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:19:18,394 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1567924342] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:19:18,394 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:19:18,394 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24, 24] total 67 [2022-02-09 14:19:18,394 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410982467] [2022-02-09 14:19:18,394 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:19:18,395 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2022-02-09 14:19:18,395 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:19:18,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2022-02-09 14:19:18,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=4227, Unknown=0, NotChecked=0, Total=4422 [2022-02-09 14:19:18,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:19:18,396 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:19:18,396 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) [2022-02-09 14:19:18,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:19:18,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:19:18,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:19:18,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:19:18,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:19:18,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:19:18,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:19:18,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:19:18,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:19:18,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:19:18,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:19:18,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:19:18,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:19:18,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:19:18,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:19:18,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:19:18,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:19:18,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:19:18,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:19:18,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:19:18,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:19:18,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:19:18,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:19:18,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:19:18,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:19:18,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:19:18,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:19:18,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:19:18,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 14:19:18,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-09 14:19:18,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:19:20,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:19:20,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:19:20,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:19:20,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:19:20,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:19:20,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:19:20,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:19:20,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:19:20,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:19:20,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:19:20,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:19:20,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:19:20,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:19:20,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:19:20,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:19:20,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:19:20,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:19:20,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:19:20,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:19:20,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:19:20,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:19:20,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:19:20,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:19:20,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:19:20,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:19:20,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:19:20,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:19:20,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:19:20,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 14:19:20,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 14:19:20,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-09 14:19:20,305 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2022-02-09 14:19:20,505 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 [2022-02-09 14:19:20,505 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:19:20,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:19:20,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1557611079, now seen corresponding path program 29 times [2022-02-09 14:19:20,505 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:19:20,505 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866370202] [2022-02-09 14:19:20,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:19:20,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:19:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:19:20,869 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 11 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:19:20,869 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:19:20,870 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866370202] [2022-02-09 14:19:20,870 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866370202] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:19:20,870 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80599651] [2022-02-09 14:19:20,870 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 14:19:20,870 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:19:20,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:19:20,871 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) [2022-02-09 14:19:20,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2022-02-09 14:19:20,926 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2022-02-09 14:19:20,926 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:19:20,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 50 conjunts are in the unsatisfiable core [2022-02-09 14:19:20,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:19:21,378 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 [2022-02-09 14:19:21,380 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 [2022-02-09 14:19:21,426 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 11 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:19:21,426 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:19:21,583 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-02-09 14:19:21,584 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 [2022-02-09 14:19:21,585 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 [2022-02-09 14:19:21,627 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 11 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:19:21,627 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [80599651] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:19:21,627 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:19:21,627 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 38 [2022-02-09 14:19:21,627 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520332912] [2022-02-09 14:19:21,628 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:19:21,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-02-09 14:19:21,628 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:19:21,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-02-09 14:19:21,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1309, Unknown=0, NotChecked=0, Total=1406 [2022-02-09 14:19:21,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:19:21,628 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:19:21,629 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) [2022-02-09 14:19:21,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:19:21,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:19:21,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:19:21,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:19:21,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:19:21,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:19:21,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:19:21,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:19:21,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:19:21,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:19:21,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:19:21,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:19:21,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:19:21,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:19:21,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:19:21,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:19:21,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:19:21,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:19:21,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:19:21,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:19:21,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:19:21,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:19:21,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:19:21,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:19:21,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:19:21,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:19:21,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:19:21,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:19:21,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 14:19:21,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-09 14:19:21,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-09 14:19:21,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:19:22,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:19:22,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:19:22,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:19:22,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:19:22,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:19:22,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:19:22,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:19:22,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:19:22,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:19:22,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:19:22,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:19:22,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:19:22,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:19:22,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:19:22,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:19:22,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:19:22,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:19:22,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:19:22,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:19:22,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:19:22,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:19:22,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:19:22,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:19:22,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:19:22,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:19:22,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:19:22,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:19:22,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:19:22,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 14:19:22,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 14:19:22,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-09 14:19:22,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:19:22,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2022-02-09 14:19:23,115 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 [2022-02-09 14:19:23,115 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:19:23,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:19:23,116 INFO L85 PathProgramCache]: Analyzing trace with hash -455801353, now seen corresponding path program 30 times [2022-02-09 14:19:23,116 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:19:23,116 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267036935] [2022-02-09 14:19:23,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:19:23,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:19:23,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:19:23,462 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:19:23,462 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:19:23,462 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267036935] [2022-02-09 14:19:23,462 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267036935] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:19:23,462 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [644424120] [2022-02-09 14:19:23,462 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-09 14:19:23,462 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:19:23,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:19:23,464 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) [2022-02-09 14:19:23,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2022-02-09 14:19:23,511 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2022-02-09 14:19:23,511 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:19:23,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 50 conjunts are in the unsatisfiable core [2022-02-09 14:19:23,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:19:23,918 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 [2022-02-09 14:19:23,922 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 [2022-02-09 14:19:23,927 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 7 treesize of output 1 [2022-02-09 14:19:23,962 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:19:23,962 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:19:24,114 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-02-09 14:19:24,115 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 [2022-02-09 14:19:24,116 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 [2022-02-09 14:19:24,154 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:19:24,154 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [644424120] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:19:24,154 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:19:24,154 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 38 [2022-02-09 14:19:24,155 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121329901] [2022-02-09 14:19:24,155 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:19:24,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-02-09 14:19:24,155 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:19:24,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-02-09 14:19:24,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1309, Unknown=0, NotChecked=0, Total=1406 [2022-02-09 14:19:24,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:19:24,156 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:19:24,156 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) [2022-02-09 14:19:24,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:19:24,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:19:24,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:19:24,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:19:24,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:19:24,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:19:24,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:19:24,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:19:24,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:19:24,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:19:24,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:19:24,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:19:24,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:19:24,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:19:24,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:19:24,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:19:24,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:19:24,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:19:24,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:19:24,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:19:24,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:19:24,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:19:24,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:19:24,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:19:24,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:19:24,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:19:24,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:19:24,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:19:24,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 14:19:24,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-09 14:19:24,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-09 14:19:24,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:19:24,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:19:25,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:19:25,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:19:25,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:19:25,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:19:25,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:19:25,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:19:25,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:19:25,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:19:25,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:19:25,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:19:25,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:19:25,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:19:25,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:19:25,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:19:25,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:19:25,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:19:25,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:19:25,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:19:25,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:19:25,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:19:25,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:19:25,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:19:25,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:19:25,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:19:25,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:19:25,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:19:25,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:19:25,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:19:25,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 14:19:25,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 14:19:25,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-09 14:19:25,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:19:25,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:19:25,154 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2022-02-09 14:19:25,335 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 [2022-02-09 14:19:25,335 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:19:25,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:19:25,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1278197211, now seen corresponding path program 31 times [2022-02-09 14:19:25,336 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:19:25,336 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302536911] [2022-02-09 14:19:25,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:19:25,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:19:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:19:26,691 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:19:26,691 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:19:26,691 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302536911] [2022-02-09 14:19:26,691 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302536911] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:19:26,691 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [338081508] [2022-02-09 14:19:26,691 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-09 14:19:26,691 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:19:26,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:19:26,692 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) [2022-02-09 14:19:26,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2022-02-09 14:19:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:19:26,741 WARN L261 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 137 conjunts are in the unsatisfiable core [2022-02-09 14:19:26,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:19:31,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:19:31,818 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-02-09 14:19:31,819 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 65 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 1 case distinctions, treesize of input 184 treesize of output 135 [2022-02-09 14:19:31,825 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-02-09 14:19:31,825 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 62 treesize of output 53 [2022-02-09 14:19:31,912 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:19:31,913 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:19:38,893 INFO L353 Elim1Store]: treesize reduction 1682, result has 10.1 percent of original size [2022-02-09 14:19:38,894 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 408 treesize of output 496 [2022-02-09 14:19:38,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,912 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,912 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,913 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,913 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,913 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,914 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,915 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,915 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,930 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,932 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,935 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,935 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,958 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,958 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,958 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,959 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,962 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,962 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,963 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,964 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,965 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,966 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,966 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,966 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,968 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,968 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,969 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,969 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,971 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,971 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,972 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,976 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,976 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:38,979 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:19:39,829 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 14:19:39,829 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 408 treesize of output 1518 [2022-02-09 14:20:06,489 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:20:06,490 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [338081508] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:20:06,490 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:20:06,490 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 26, 26] total 74 [2022-02-09 14:20:06,491 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633805021] [2022-02-09 14:20:06,491 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:20:06,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2022-02-09 14:20:06,491 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:20:06,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2022-02-09 14:20:06,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=203, Invalid=5199, Unknown=0, NotChecked=0, Total=5402 [2022-02-09 14:20:06,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:20:06,492 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:20:06,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 1.162162162162162) internal successors, (86), 74 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 14:20:06,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:20:06,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:20:06,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:20:06,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:20:06,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:20:06,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:20:06,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:20:06,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:20:06,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:20:06,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:20:06,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:20:06,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:20:06,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:20:06,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:20:06,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:20:06,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:20:06,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:20:06,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:20:06,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:20:06,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:20:06,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:20:06,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:20:06,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:20:06,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:20:06,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:20:06,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:20:06,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:20:06,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:20:06,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 14:20:06,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-09 14:20:06,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-09 14:20:06,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:20:06,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:20:06,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:20:10,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:20:10,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:20:10,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:20:10,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:20:10,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:20:10,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:20:10,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:20:10,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:20:10,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:20:10,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:20:10,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:20:10,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:20:10,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:20:10,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:20:10,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:20:10,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:20:10,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:20:10,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:20:10,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:20:10,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:20:10,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:20:10,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:20:10,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:20:10,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:20:10,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:20:10,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:20:10,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:20:10,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:20:10,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 14:20:10,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 14:20:10,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-09 14:20:10,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:20:10,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:20:10,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:20:10,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2022-02-09 14:20:11,175 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 [2022-02-09 14:20:11,175 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:20:11,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:20:11,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1002665033, now seen corresponding path program 32 times [2022-02-09 14:20:11,176 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:20:11,176 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69750450] [2022-02-09 14:20:11,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:20:11,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:20:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:20:11,623 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:20:11,623 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:20:11,623 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69750450] [2022-02-09 14:20:11,623 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69750450] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:20:11,623 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1292019124] [2022-02-09 14:20:11,623 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 14:20:11,623 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:20:11,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:20:11,624 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) [2022-02-09 14:20:11,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2022-02-09 14:20:11,669 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 14:20:11,670 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:20:11,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 54 conjunts are in the unsatisfiable core [2022-02-09 14:20:11,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:20:12,184 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 [2022-02-09 14:20:12,186 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 [2022-02-09 14:20:12,227 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:20:12,228 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:20:12,376 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-02-09 14:20:12,376 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 [2022-02-09 14:20:12,378 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 [2022-02-09 14:20:12,425 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:20:12,426 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1292019124] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:20:12,426 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:20:12,426 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 41 [2022-02-09 14:20:12,426 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886518120] [2022-02-09 14:20:12,426 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:20:12,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-02-09 14:20:12,426 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:20:12,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-02-09 14:20:12,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1535, Unknown=0, NotChecked=0, Total=1640 [2022-02-09 14:20:12,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:20:12,427 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:20:12,427 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) [2022-02-09 14:20:12,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:20:12,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:20:12,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:20:12,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:20:12,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:20:12,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:20:12,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:20:12,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:20:12,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:20:12,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:20:12,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:20:12,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:20:12,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:20:12,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:20:12,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:20:12,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:20:12,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:20:12,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:20:12,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:20:12,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:20:12,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:20:12,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:20:12,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:20:12,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:20:12,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:20:12,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:20:12,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:20:12,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:20:12,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 14:20:12,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-09 14:20:12,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-09 14:20:12,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:20:12,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:20:12,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:20:12,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:20:13,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:20:13,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:20:13,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:20:13,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:20:13,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:20:13,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:20:13,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:20:13,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:20:13,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:20:13,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:20:13,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:20:13,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:20:13,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:20:13,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:20:13,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:20:13,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:20:13,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:20:13,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:20:13,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:20:13,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:20:13,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:20:13,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:20:13,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:20:13,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:20:13,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:20:13,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:20:13,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:20:13,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:20:13,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 14:20:13,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 14:20:13,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-09 14:20:13,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:20:13,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:20:13,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:20:13,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-02-09 14:20:13,919 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2022-02-09 14:20:14,101 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 [2022-02-09 14:20:14,101 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:20:14,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:20:14,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1206301895, now seen corresponding path program 33 times [2022-02-09 14:20:14,102 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:20:14,102 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023162274] [2022-02-09 14:20:14,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:20:14,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:20:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:20:14,500 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:20:14,500 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:20:14,500 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023162274] [2022-02-09 14:20:14,500 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023162274] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:20:14,500 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507204664] [2022-02-09 14:20:14,500 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 14:20:14,500 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:20:14,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:20:14,501 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) [2022-02-09 14:20:14,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2022-02-09 14:20:14,557 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-02-09 14:20:14,557 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:20:14,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 54 conjunts are in the unsatisfiable core [2022-02-09 14:20:14,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:20:15,022 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 [2022-02-09 14:20:15,028 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 [2022-02-09 14:20:15,033 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 [2022-02-09 14:20:15,070 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:20:15,071 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:20:15,235 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-02-09 14:20:15,236 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 [2022-02-09 14:20:15,237 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 [2022-02-09 14:20:15,278 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:20:15,278 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [507204664] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:20:15,278 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:20:15,278 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 41 [2022-02-09 14:20:15,278 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066424228] [2022-02-09 14:20:15,278 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:20:15,278 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-02-09 14:20:15,279 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:20:15,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-02-09 14:20:15,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1535, Unknown=0, NotChecked=0, Total=1640 [2022-02-09 14:20:15,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:20:15,279 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:20:15,280 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) [2022-02-09 14:20:15,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:20:15,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:20:15,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:20:15,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:20:15,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:20:15,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:20:15,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:20:15,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:20:15,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:20:15,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:20:15,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:20:15,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:20:15,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:20:15,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:20:15,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:20:15,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:20:15,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:20:15,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:20:15,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:20:15,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:20:15,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:20:15,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:20:15,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:20:15,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:20:15,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:20:15,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:20:15,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:20:15,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:20:15,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 14:20:15,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-09 14:20:15,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-09 14:20:15,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:20:15,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:20:15,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:20:15,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-02-09 14:20:15,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:20:16,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:20:16,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:20:16,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:20:16,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:20:16,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:20:16,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:20:16,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:20:16,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:20:16,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:20:16,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:20:16,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:20:16,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:20:16,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:20:16,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:20:16,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:20:16,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:20:16,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:20:16,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:20:16,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:20:16,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:20:16,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:20:16,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:20:16,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:20:16,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:20:16,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:20:16,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:20:16,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:20:16,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:20:16,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 14:20:16,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 14:20:16,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-09 14:20:16,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:20:16,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:20:16,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:20:16,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-02-09 14:20:16,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-09 14:20:16,364 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2022-02-09 14:20:16,545 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 [2022-02-09 14:20:16,546 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:20:16,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:20:16,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1226089763, now seen corresponding path program 34 times [2022-02-09 14:20:16,546 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:20:16,546 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737382076] [2022-02-09 14:20:16,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:20:16,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:20:16,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:20:17,502 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:20:17,502 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:20:17,502 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737382076] [2022-02-09 14:20:17,502 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737382076] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:20:17,502 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [240253133] [2022-02-09 14:20:17,502 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 14:20:17,502 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:20:17,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:20:17,503 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) [2022-02-09 14:20:17,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2022-02-09 14:20:17,549 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 14:20:17,550 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:20:17,552 WARN L261 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 149 conjunts are in the unsatisfiable core [2022-02-09 14:20:17,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:20:22,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:22,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:20:22,768 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 [2022-02-09 14:20:22,771 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:22,772 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 [2022-02-09 14:20:22,843 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:20:22,844 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:20:30,283 INFO L353 Elim1Store]: treesize reduction 2026, result has 9.3 percent of original size [2022-02-09 14:20:30,284 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 [2022-02-09 14:20:30,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,324 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,326 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,327 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,327 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,327 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,328 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,328 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,328 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,333 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,333 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,336 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,337 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,354 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,354 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,355 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,355 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,355 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,356 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,357 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,358 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,360 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,360 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,361 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,362 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,366 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,367 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,367 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,367 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,369 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,369 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,370 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,371 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,372 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,373 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,374 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,376 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,376 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,378 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,379 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:30,383 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:20:31,485 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 14:20:31,486 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 [2022-02-09 14:21:17,554 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:21:17,554 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [240253133] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:21:17,554 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:21:17,554 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28, 28] total 80 [2022-02-09 14:21:17,554 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809556914] [2022-02-09 14:21:17,554 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:21:17,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2022-02-09 14:21:17,555 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:21:17,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2022-02-09 14:21:17,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=6085, Unknown=0, NotChecked=0, Total=6320 [2022-02-09 14:21:17,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:21:17,556 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:21:17,556 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) [2022-02-09 14:21:17,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:21:17,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:21:17,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:21:17,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:21:17,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:21:17,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:21:17,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:21:17,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:21:17,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:21:17,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:21:17,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:21:17,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:21:17,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:21:17,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:21:17,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:21:17,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:21:17,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:21:17,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:21:17,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:21:17,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:21:17,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:21:17,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:21:17,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:21:17,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:21:17,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:21:17,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:21:17,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:21:17,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:21:17,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 14:21:17,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-09 14:21:17,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-09 14:21:17,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:21:17,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:21:17,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:21:17,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-02-09 14:21:17,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-09 14:21:17,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:21:19,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:21:19,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:21:19,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:21:19,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:21:19,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:21:19,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:21:19,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:21:19,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:21:19,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:21:19,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:21:19,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:21:19,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:21:19,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:21:19,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:21:19,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:21:19,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:21:19,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:21:19,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:21:19,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:21:19,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:21:19,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:21:19,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:21:19,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:21:19,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:21:19,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:21:19,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:21:19,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:21:19,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:21:19,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 14:21:19,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 14:21:19,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-09 14:21:19,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:21:19,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:21:19,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:21:19,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-02-09 14:21:19,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-09 14:21:19,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-09 14:21:19,945 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2022-02-09 14:21:20,128 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 [2022-02-09 14:21:20,129 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:21:20,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:21:20,129 INFO L85 PathProgramCache]: Analyzing trace with hash -679180167, now seen corresponding path program 35 times [2022-02-09 14:21:20,129 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:21:20,129 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457461594] [2022-02-09 14:21:20,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:21:20,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:21:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:21:20,574 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:21:20,574 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:21:20,574 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457461594] [2022-02-09 14:21:20,574 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457461594] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:21:20,574 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [993450918] [2022-02-09 14:21:20,575 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 14:21:20,575 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:21:20,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:21:20,576 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) [2022-02-09 14:21:20,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2022-02-09 14:21:20,646 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2022-02-09 14:21:20,646 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:21:20,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 58 conjunts are in the unsatisfiable core [2022-02-09 14:21:20,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:21:21,225 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 37 treesize of output 31 [2022-02-09 14:21:21,226 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 31 treesize of output 25 [2022-02-09 14:21:21,274 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:21:21,274 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:21:21,436 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-02-09 14:21:21,436 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 [2022-02-09 14:21:21,438 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 [2022-02-09 14:21:21,486 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:21:21,486 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [993450918] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:21:21,486 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:21:21,486 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 44 [2022-02-09 14:21:21,486 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722126589] [2022-02-09 14:21:21,486 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:21:21,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-02-09 14:21:21,486 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:21:21,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-02-09 14:21:21,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=1779, Unknown=0, NotChecked=0, Total=1892 [2022-02-09 14:21:21,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:21:21,487 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:21:21,487 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) [2022-02-09 14:21:21,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:21:21,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:21:21,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:21:21,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:21:21,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:21:21,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:21:21,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:21:21,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:21:21,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:21:21,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:21:21,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:21:21,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:21:21,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:21:21,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:21:21,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:21:21,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:21:21,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:21:21,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:21:21,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:21:21,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:21:21,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:21:21,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:21:21,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:21:21,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:21:21,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:21:21,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:21:21,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:21:21,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:21:21,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 14:21:21,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-09 14:21:21,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-09 14:21:21,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:21:21,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:21:21,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:21:21,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-02-09 14:21:21,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-09 14:21:21,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-09 14:21:21,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:21:23,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:21:23,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:21:23,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:21:23,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:21:23,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:21:23,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:21:23,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:21:23,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:21:23,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:21:23,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:21:23,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:21:23,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:21:23,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:21:23,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:21:23,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:21:23,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:21:23,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:21:23,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:21:23,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:21:23,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:21:23,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:21:23,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:21:23,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:21:23,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:21:23,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:21:23,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:21:23,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:21:23,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:21:23,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 14:21:23,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 14:21:23,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-09 14:21:23,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:21:23,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:21:23,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:21:23,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-02-09 14:21:23,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-09 14:21:23,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-09 14:21:23,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-09 14:21:23,188 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2022-02-09 14:21:23,371 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 [2022-02-09 14:21:23,372 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:21:23,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:21:23,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1598011703, now seen corresponding path program 36 times [2022-02-09 14:21:23,372 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:21:23,372 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938740480] [2022-02-09 14:21:23,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:21:23,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:21:23,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:21:23,857 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:21:23,857 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:21:23,857 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938740480] [2022-02-09 14:21:23,857 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938740480] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:21:23,858 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1285449627] [2022-02-09 14:21:23,858 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-09 14:21:23,858 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:21:23,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:21:23,860 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) [2022-02-09 14:21:23,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2022-02-09 14:21:23,916 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2022-02-09 14:21:23,916 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:21:23,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 58 conjunts are in the unsatisfiable core [2022-02-09 14:21:23,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:21:24,460 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 [2022-02-09 14:21:24,462 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 [2022-02-09 14:21:24,471 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 [2022-02-09 14:21:24,509 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:21:24,509 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:21:24,674 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-02-09 14:21:24,675 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 [2022-02-09 14:21:24,676 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 [2022-02-09 14:21:24,721 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:21:24,721 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1285449627] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:21:24,721 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:21:24,721 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 44 [2022-02-09 14:21:24,721 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747023034] [2022-02-09 14:21:24,721 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:21:24,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-02-09 14:21:24,721 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:21:24,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-02-09 14:21:24,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=1779, Unknown=0, NotChecked=0, Total=1892 [2022-02-09 14:21:24,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:21:24,722 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:21:24,722 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) [2022-02-09 14:21:24,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:21:24,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:21:24,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:21:24,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:21:24,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:21:24,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:21:24,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:21:24,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:21:24,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:21:24,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:21:24,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:21:24,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:21:24,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:21:24,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:21:24,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:21:24,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:21:24,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:21:24,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:21:24,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:21:24,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:21:24,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:21:24,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:21:24,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:21:24,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:21:24,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:21:24,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:21:24,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:21:24,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:21:24,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 14:21:24,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-09 14:21:24,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-09 14:21:24,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:21:24,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:21:24,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:21:24,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-02-09 14:21:24,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-09 14:21:24,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-09 14:21:24,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-09 14:21:24,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:21:26,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:21:26,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:21:26,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:21:26,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:21:26,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:21:26,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:21:26,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:21:26,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:21:26,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:21:26,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:21:26,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:21:26,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:21:26,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:21:26,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:21:26,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:21:26,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:21:26,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:21:26,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:21:26,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:21:26,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:21:26,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:21:26,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:21:26,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:21:26,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:21:26,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:21:26,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:21:26,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:21:26,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:21:26,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 14:21:26,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 14:21:26,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-09 14:21:26,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:21:26,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:21:26,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:21:26,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-02-09 14:21:26,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-09 14:21:26,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-09 14:21:26,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-09 14:21:26,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-09 14:21:26,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2022-02-09 14:21:26,232 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 [2022-02-09 14:21:26,232 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:21:26,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:21:26,233 INFO L85 PathProgramCache]: Analyzing trace with hash -2034501915, now seen corresponding path program 37 times [2022-02-09 14:21:26,233 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:21:26,233 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969836351] [2022-02-09 14:21:26,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:21:26,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:21:26,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:21:27,939 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:21:27,940 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:21:27,940 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969836351] [2022-02-09 14:21:27,940 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969836351] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:21:27,940 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [301133217] [2022-02-09 14:21:27,940 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-09 14:21:27,940 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:21:27,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:21:27,941 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) [2022-02-09 14:21:27,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2022-02-09 14:21:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:21:27,997 WARN L261 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 161 conjunts are in the unsatisfiable core [2022-02-09 14:21:27,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:21:34,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:21:34,604 INFO L353 Elim1Store]: treesize reduction 126, result has 2.3 percent of original size [2022-02-09 14:21:34,605 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 [2022-02-09 14:21:34,612 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-02-09 14:21:34,612 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 [2022-02-09 14:21:34,712 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:21:34,712 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:21:44,298 INFO L353 Elim1Store]: treesize reduction 2402, result has 8.6 percent of original size [2022-02-09 14:21:44,299 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 [2022-02-09 14:21:44,319 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,319 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,320 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,320 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,320 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,321 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,321 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,322 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,322 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,323 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,325 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,325 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,343 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,344 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,344 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,344 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,345 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,345 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,346 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,346 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,348 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,349 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,349 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,351 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,351 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,353 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,353 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,355 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,356 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,356 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,366 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,367 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,368 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,369 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,369 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,370 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,370 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,371 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,372 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,374 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,374 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,376 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,376 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,376 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,377 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,378 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,380 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,380 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,382 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,382 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,382 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,384 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,386 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,388 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,388 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,390 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,391 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,391 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,395 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,398 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,398 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,401 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,402 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,403 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,409 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,410 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:44,413 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:21:45,852 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 14:21:45,853 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 [2022-02-09 14:22:40,762 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:22:40,762 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [301133217] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:22:40,763 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:22:40,763 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 30, 30] total 87 [2022-02-09 14:22:40,763 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465010737] [2022-02-09 14:22:40,763 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:22:40,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2022-02-09 14:22:40,763 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:22:40,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2022-02-09 14:22:40,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=226, Invalid=7256, Unknown=0, NotChecked=0, Total=7482 [2022-02-09 14:22:40,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:22:40,765 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:22:40,765 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) [2022-02-09 14:22:40,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:22:40,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:22:40,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:22:40,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:22:40,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:22:40,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:22:40,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:22:40,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:22:40,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:22:40,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:22:40,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:22:40,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:22:40,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:22:40,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:22:40,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:22:40,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:22:40,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:22:40,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:22:40,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:22:40,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:22:40,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:22:40,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:22:40,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:22:40,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:22:40,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:22:40,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:22:40,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:22:40,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:22:40,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 14:22:40,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-09 14:22:40,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-09 14:22:40,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:22:40,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:22:40,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:22:40,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-02-09 14:22:40,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-09 14:22:40,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-09 14:22:40,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-09 14:22:40,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-09 14:22:40,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:22:47,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:22:47,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:22:47,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:22:47,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:22:47,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:22:47,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:22:47,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:22:47,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:22:47,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:22:47,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:22:47,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:22:47,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:22:47,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:22:47,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:22:47,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:22:47,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:22:47,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:22:47,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:22:47,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:22:47,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:22:47,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:22:47,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:22:47,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:22:47,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:22:47,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:22:47,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:22:47,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:22:47,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:22:47,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 14:22:47,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 14:22:47,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-09 14:22:47,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:22:47,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:22:47,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:22:47,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-02-09 14:22:47,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-09 14:22:47,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-09 14:22:47,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-09 14:22:47,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-09 14:22:47,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-09 14:22:47,305 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2022-02-09 14:22:47,488 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 [2022-02-09 14:22:47,488 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:22:47,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:22:47,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1321692919, now seen corresponding path program 38 times [2022-02-09 14:22:47,488 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:22:47,488 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363750787] [2022-02-09 14:22:47,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:22:47,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:22:47,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:22:48,069 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:22:48,069 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:22:48,069 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363750787] [2022-02-09 14:22:48,069 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363750787] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:22:48,069 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920892101] [2022-02-09 14:22:48,069 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 14:22:48,069 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:22:48,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:22:48,071 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) [2022-02-09 14:22:48,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2022-02-09 14:22:48,123 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 14:22:48,123 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:22:48,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 62 conjunts are in the unsatisfiable core [2022-02-09 14:22:48,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:22:48,764 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 [2022-02-09 14:22:48,765 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 31 treesize of output 25 [2022-02-09 14:22:48,818 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:22:48,818 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:22:48,985 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-02-09 14:22:48,985 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 [2022-02-09 14:22:48,987 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 [2022-02-09 14:22:49,039 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:22:49,039 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920892101] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:22:49,039 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:22:49,039 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 47 [2022-02-09 14:22:49,039 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650094092] [2022-02-09 14:22:49,039 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:22:49,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2022-02-09 14:22:49,039 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:22:49,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2022-02-09 14:22:49,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=2041, Unknown=0, NotChecked=0, Total=2162 [2022-02-09 14:22:49,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:22:49,040 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:22:49,040 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) [2022-02-09 14:22:49,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:22:49,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:22:49,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:22:49,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:22:49,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:22:49,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:22:49,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:22:49,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:22:49,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:22:49,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:22:49,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:22:49,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:22:49,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:22:49,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:22:49,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:22:49,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:22:49,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:22:49,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:22:49,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:22:49,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:22:49,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:22:49,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:22:49,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:22:49,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:22:49,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:22:49,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:22:49,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:22:49,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:22:49,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 14:22:49,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-09 14:22:49,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-09 14:22:49,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:22:49,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:22:49,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:22:49,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-02-09 14:22:49,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-09 14:22:49,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-09 14:22:49,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-09 14:22:49,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-09 14:22:49,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-02-09 14:22:49,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:22:50,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:22:50,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:22:50,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:22:50,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:22:50,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:22:50,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:22:50,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:22:50,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:22:50,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:22:50,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:22:50,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:22:50,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:22:50,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:22:50,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:22:50,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:22:50,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:22:50,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:22:50,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:22:50,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:22:50,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:22:50,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:22:50,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:22:50,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:22:50,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:22:50,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:22:50,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:22:50,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:22:50,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:22:50,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 14:22:50,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 14:22:50,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-09 14:22:50,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:22:50,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:22:50,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:22:50,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-02-09 14:22:50,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-09 14:22:50,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-09 14:22:50,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-09 14:22:50,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-09 14:22:50,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-09 14:22:50,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-09 14:22:50,926 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2022-02-09 14:22:51,109 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 [2022-02-09 14:22:51,109 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:22:51,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:22:51,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1099803143, now seen corresponding path program 39 times [2022-02-09 14:22:51,110 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:22:51,110 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783852998] [2022-02-09 14:22:51,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:22:51,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:22:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:22:51,616 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:22:51,616 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:22:51,616 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783852998] [2022-02-09 14:22:51,616 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783852998] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:22:51,616 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004423516] [2022-02-09 14:22:51,616 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 14:22:51,616 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:22:51,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:22:51,617 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) [2022-02-09 14:22:51,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2022-02-09 14:22:51,673 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-02-09 14:22:51,673 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:22:51,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 64 conjunts are in the unsatisfiable core [2022-02-09 14:22:51,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:22:52,283 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 29 treesize of output 23 [2022-02-09 14:22:52,285 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 [2022-02-09 14:22:52,290 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2022-02-09 14:22:52,328 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:22:52,328 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:22:52,505 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-02-09 14:22:52,505 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 [2022-02-09 14:22:52,507 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 [2022-02-09 14:22:52,557 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:22:52,557 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1004423516] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:22:52,557 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:22:52,558 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 47 [2022-02-09 14:22:52,558 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671203941] [2022-02-09 14:22:52,558 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:22:52,558 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2022-02-09 14:22:52,558 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:22:52,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2022-02-09 14:22:52,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=2041, Unknown=0, NotChecked=0, Total=2162 [2022-02-09 14:22:52,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:22:52,559 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:22:52,559 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) [2022-02-09 14:22:52,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:22:52,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:22:52,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:22:52,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:22:52,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:22:52,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:22:52,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:22:52,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:22:52,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:22:52,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:22:52,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:22:52,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:22:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:22:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:22:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:22:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:22:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:22:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:22:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:22:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:22:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:22:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:22:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:22:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:22:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:22:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:22:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:22:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:22:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 14:22:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-09 14:22:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-09 14:22:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:22:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:22:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:22:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-02-09 14:22:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-09 14:22:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-09 14:22:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-09 14:22:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-09 14:22:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-02-09 14:22:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-09 14:22:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:22:54,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:22:54,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:22:54,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:22:54,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:22:54,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:22:54,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:22:54,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:22:54,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:22:54,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:22:54,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:22:54,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:22:54,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:22:54,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:22:54,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:22:54,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:22:54,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:22:54,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:22:54,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:22:54,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:22:54,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:22:54,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:22:54,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:22:54,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:22:54,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:22:54,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:22:54,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:22:54,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:22:54,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:22:54,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 14:22:54,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 14:22:54,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-09 14:22:54,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:22:54,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:22:54,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:22:54,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-02-09 14:22:54,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-09 14:22:54,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-09 14:22:54,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-09 14:22:54,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-09 14:22:54,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-09 14:22:54,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-09 14:22:54,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:22:54,116 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2022-02-09 14:22:54,296 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 [2022-02-09 14:22:54,296 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:22:54,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:22:54,296 INFO L85 PathProgramCache]: Analyzing trace with hash 232583779, now seen corresponding path program 40 times [2022-02-09 14:22:54,296 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:22:54,297 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438722291] [2022-02-09 14:22:54,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:22:54,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:22:54,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:22:55,772 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:22:55,772 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:22:55,772 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438722291] [2022-02-09 14:22:55,772 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438722291] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:22:55,772 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [88583230] [2022-02-09 14:22:55,772 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 14:22:55,772 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:22:55,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:22:55,774 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) [2022-02-09 14:22:55,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2022-02-09 14:22:55,829 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 14:22:55,829 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:22:55,831 WARN L261 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 173 conjunts are in the unsatisfiable core [2022-02-09 14:22:55,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:23:02,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:02,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:23:02,730 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 [2022-02-09 14:23:02,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:02,734 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 [2022-02-09 14:23:02,840 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:23:02,840 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:23:13,539 INFO L353 Elim1Store]: treesize reduction 2810, result has 8.0 percent of original size [2022-02-09 14:23:13,541 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 [2022-02-09 14:23:13,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,571 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,572 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,573 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,573 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,573 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,573 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,575 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,577 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,578 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,578 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,595 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,595 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,599 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,599 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,609 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,609 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,610 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,613 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,613 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,620 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,620 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,621 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,621 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,621 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,622 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,622 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,624 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,625 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,626 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,634 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,634 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,636 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,637 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,637 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,639 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,639 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,639 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,640 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,640 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,642 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,643 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,644 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,645 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,646 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,646 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,647 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,648 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,650 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,650 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,652 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,652 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,653 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,654 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,655 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,656 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,658 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,658 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,660 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,667 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,668 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,669 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,672 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,673 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,673 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,680 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,680 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,684 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:23:13,687 INFO L244 Elim1Store]: Index analysis took 117 ms [2022-02-09 14:23:15,567 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 14:23:15,568 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 [2022-02-09 14:25:26,375 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:25:26,375 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [88583230] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:25:26,376 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:25:26,376 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 32, 32] total 92 [2022-02-09 14:25:26,376 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684764607] [2022-02-09 14:25:26,376 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:25:26,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2022-02-09 14:25:26,376 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:25:26,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2022-02-09 14:25:26,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=8101, Unknown=0, NotChecked=0, Total=8372 [2022-02-09 14:25:26,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:25:26,377 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:25:26,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 1.1630434782608696) internal successors, (107), 92 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 14:25:26,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:25:26,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:25:26,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:25:26,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:25:26,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:25:26,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:25:26,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:25:26,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:25:26,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:25:26,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:25:26,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:25:26,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:25:26,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:25:26,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:25:26,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:25:26,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:25:26,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:25:26,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:25:26,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:25:26,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:25:26,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:25:26,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:25:26,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:25:26,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:25:26,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:25:26,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:25:26,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:25:26,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:25:26,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 14:25:26,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-09 14:25:26,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-09 14:25:26,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:25:26,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:25:26,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:25:26,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-02-09 14:25:26,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-09 14:25:26,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-09 14:25:26,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-09 14:25:26,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-09 14:25:26,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-02-09 14:25:26,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-09 14:25:26,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:25:26,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:25:29,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:25:29,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:25:29,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:25:29,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:25:29,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:25:29,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:25:29,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:25:29,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:25:29,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:25:29,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:25:29,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:25:29,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:25:29,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:25:29,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:25:29,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:25:29,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:25:29,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:25:29,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:25:29,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:25:29,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:25:29,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:25:29,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:25:29,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:25:29,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:25:29,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:25:29,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:25:29,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:25:29,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:25:29,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 14:25:29,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 14:25:29,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-09 14:25:29,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:25:29,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:25:29,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:25:29,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-02-09 14:25:29,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-09 14:25:29,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-09 14:25:29,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-09 14:25:29,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-09 14:25:29,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-09 14:25:29,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-09 14:25:29,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:25:29,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-02-09 14:25:29,260 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2022-02-09 14:25:29,443 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 [2022-02-09 14:25:29,444 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:25:29,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:25:29,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1413094599, now seen corresponding path program 41 times [2022-02-09 14:25:29,444 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:25:29,444 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659600289] [2022-02-09 14:25:29,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:25:29,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:25:29,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:25:30,049 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 15 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:25:30,049 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:25:30,049 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659600289] [2022-02-09 14:25:30,049 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659600289] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:25:30,049 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [591707892] [2022-02-09 14:25:30,049 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 14:25:30,049 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:25:30,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:25:30,050 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) [2022-02-09 14:25:30,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2022-02-09 14:25:30,112 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2022-02-09 14:25:30,112 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:25:30,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 66 conjunts are in the unsatisfiable core [2022-02-09 14:25:30,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:25:30,809 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 [2022-02-09 14:25:30,810 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 [2022-02-09 14:25:30,860 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 15 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:25:30,860 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:25:31,033 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-02-09 14:25:31,034 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 [2022-02-09 14:25:31,035 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 [2022-02-09 14:25:31,091 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 15 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:25:31,091 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [591707892] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:25:31,091 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:25:31,091 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 50 [2022-02-09 14:25:31,091 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845282027] [2022-02-09 14:25:31,091 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:25:31,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-02-09 14:25:31,091 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:25:31,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-02-09 14:25:31,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=2321, Unknown=0, NotChecked=0, Total=2450 [2022-02-09 14:25:31,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:25:31,092 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:25:31,092 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) [2022-02-09 14:25:31,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:25:31,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:25:31,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:25:31,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:25:31,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:25:31,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:25:31,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:25:31,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:25:31,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:25:31,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:25:31,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:25:31,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:25:31,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:25:31,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:25:31,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:25:31,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:25:31,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:25:31,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:25:31,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:25:31,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:25:31,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:25:31,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:25:31,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:25:31,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:25:31,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:25:31,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:25:31,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:25:31,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:25:31,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 14:25:31,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-09 14:25:31,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-09 14:25:31,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:25:31,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:25:31,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:25:31,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-02-09 14:25:31,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-09 14:25:31,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-09 14:25:31,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-09 14:25:31,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-09 14:25:31,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-02-09 14:25:31,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-09 14:25:31,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:25:31,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-02-09 14:25:31,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:25:33,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:25:33,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:25:33,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:25:33,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:25:33,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:25:33,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:25:33,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:25:33,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:25:33,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:25:33,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:25:33,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:25:33,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:25:33,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:25:33,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:25:33,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:25:33,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:25:33,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:25:33,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:25:33,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:25:33,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:25:33,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:25:33,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:25:33,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:25:33,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:25:33,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:25:33,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:25:33,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:25:33,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:25:33,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 14:25:33,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 14:25:33,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-09 14:25:33,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:25:33,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:25:33,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:25:33,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-02-09 14:25:33,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-09 14:25:33,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-09 14:25:33,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-09 14:25:33,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-09 14:25:33,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-09 14:25:33,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-09 14:25:33,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:25:33,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-02-09 14:25:33,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-02-09 14:25:33,218 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2022-02-09 14:25:33,402 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 [2022-02-09 14:25:33,402 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:25:33,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:25:33,402 INFO L85 PathProgramCache]: Analyzing trace with hash 829938807, now seen corresponding path program 42 times [2022-02-09 14:25:33,402 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:25:33,402 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373362336] [2022-02-09 14:25:33,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:25:33,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:25:33,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:25:33,999 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:25:33,999 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:25:33,999 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373362336] [2022-02-09 14:25:34,000 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373362336] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:25:34,000 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2065031937] [2022-02-09 14:25:34,000 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-09 14:25:34,000 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:25:34,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:25:34,001 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) [2022-02-09 14:25:34,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2022-02-09 14:25:34,059 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2022-02-09 14:25:34,059 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:25:34,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 66 conjunts are in the unsatisfiable core [2022-02-09 14:25:34,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:25:34,718 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 [2022-02-09 14:25:34,720 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 [2022-02-09 14:25:34,724 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 [2022-02-09 14:25:34,765 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:25:34,765 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:25:34,960 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-02-09 14:25:34,960 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 21 [2022-02-09 14:25:34,961 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 [2022-02-09 14:25:35,012 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:25:35,012 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2065031937] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:25:35,012 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:25:35,013 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 50 [2022-02-09 14:25:35,013 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545212850] [2022-02-09 14:25:35,013 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:25:35,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-02-09 14:25:35,013 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:25:35,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-02-09 14:25:35,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=2321, Unknown=0, NotChecked=0, Total=2450 [2022-02-09 14:25:35,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:25:35,013 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:25:35,014 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) [2022-02-09 14:25:35,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:25:35,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:25:35,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:25:35,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:25:35,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:25:35,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:25:35,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:25:35,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:25:35,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:25:35,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:25:35,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:25:35,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:25:35,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:25:35,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:25:35,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:25:35,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:25:35,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:25:35,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:25:35,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:25:35,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:25:35,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:25:35,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:25:35,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:25:35,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:25:35,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:25:35,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:25:35,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:25:35,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:25:35,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 14:25:35,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-09 14:25:35,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-09 14:25:35,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:25:35,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:25:35,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:25:35,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-02-09 14:25:35,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-09 14:25:35,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-09 14:25:35,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-09 14:25:35,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-09 14:25:35,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-02-09 14:25:35,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-09 14:25:35,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:25:35,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-02-09 14:25:35,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-02-09 14:25:35,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:25:36,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:25:36,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:25:36,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:25:36,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:25:36,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:25:36,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:25:36,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:25:36,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:25:36,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:25:36,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:25:36,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:25:36,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:25:36,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:25:36,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:25:36,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:25:36,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:25:36,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:25:36,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:25:36,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:25:36,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:25:36,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:25:36,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:25:36,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:25:36,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:25:36,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:25:36,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:25:36,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:25:36,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:25:36,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 14:25:36,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 14:25:36,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-09 14:25:36,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:25:36,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:25:36,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:25:36,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-02-09 14:25:36,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-09 14:25:36,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-09 14:25:36,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-09 14:25:36,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-09 14:25:36,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-09 14:25:36,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-09 14:25:36,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:25:36,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-02-09 14:25:36,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-02-09 14:25:36,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-09 14:25:36,760 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2022-02-09 14:25:36,940 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 [2022-02-09 14:25:36,940 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:25:36,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:25:36,941 INFO L85 PathProgramCache]: Analyzing trace with hash -74957915, now seen corresponding path program 43 times [2022-02-09 14:25:36,941 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:25:36,941 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792737375] [2022-02-09 14:25:36,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:25:36,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:25:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:25:38,398 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:25:38,398 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:25:38,398 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792737375] [2022-02-09 14:25:38,398 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792737375] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:25:38,398 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1937268660] [2022-02-09 14:25:38,399 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-09 14:25:38,399 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:25:38,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:25:38,400 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) [2022-02-09 14:25:38,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2022-02-09 14:25:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:25:38,461 WARN L261 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 185 conjunts are in the unsatisfiable core [2022-02-09 14:25:38,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:25:46,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,705 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:46,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:25:46,735 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 105 disjoint index pairs (out of 120 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 224 treesize of output 156 [2022-02-09 14:25:46,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:46,740 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 [2022-02-09 14:25:46,805 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:25:46,805 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:25:59,139 INFO L353 Elim1Store]: treesize reduction 3250, result has 7.4 percent of original size [2022-02-09 14:25:59,139 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 [2022-02-09 14:25:59,164 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,164 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,167 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,167 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,168 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,168 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,170 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,170 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,171 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,172 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,195 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,196 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,197 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,197 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,197 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,198 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,198 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,199 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,199 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,201 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,201 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,203 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,203 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,215 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,216 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,218 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,228 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,230 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,243 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,243 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,243 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,244 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,244 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,245 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,247 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,247 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,248 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,249 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,250 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,274 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,291 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,291 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,293 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,293 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,298 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,300 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,300 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,301 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,301 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,315 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,315 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,322 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:25:59,325 INFO L244 Elim1Store]: Index analysis took 163 ms [2022-02-09 14:26:01,796 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 14:26:01,797 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 [2022-02-09 14:28:02,498 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:28:02,498 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1937268660] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:28:02,498 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:28:02,498 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 34, 34] total 97 [2022-02-09 14:28:02,499 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516852206] [2022-02-09 14:28:02,499 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:28:02,499 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2022-02-09 14:28:02,499 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:28:02,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2022-02-09 14:28:02,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=285, Invalid=9027, Unknown=0, NotChecked=0, Total=9312 [2022-02-09 14:28:02,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:28:02,500 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:28:02,500 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 1.1237113402061856) internal successors, (109), 97 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 14:28:02,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:28:02,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:28:02,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:28:02,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:28:02,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:28:02,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:28:02,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:28:02,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:28:02,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:28:02,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:28:02,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:28:02,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:28:02,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:28:02,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:28:02,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:28:02,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:28:02,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:28:02,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:28:02,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:28:02,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:28:02,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:28:02,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:28:02,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:28:02,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:28:02,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:28:02,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:28:02,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:28:02,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:28:02,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 14:28:02,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-09 14:28:02,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-09 14:28:02,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:28:02,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:28:02,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:28:02,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-02-09 14:28:02,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-09 14:28:02,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-09 14:28:02,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-09 14:28:02,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-09 14:28:02,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-02-09 14:28:02,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-09 14:28:02,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:28:02,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-02-09 14:28:02,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-02-09 14:28:02,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-09 14:28:02,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:28:05,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:28:05,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:28:05,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:28:05,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:28:05,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:28:05,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:28:05,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:28:05,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:28:05,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:28:05,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:28:05,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:28:05,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:28:05,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:28:05,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:28:05,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:28:05,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:28:05,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:28:05,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:28:05,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:28:05,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:28:05,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:28:05,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:28:05,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:28:05,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:28:05,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:28:05,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:28:05,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:28:05,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:28:05,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 14:28:05,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 14:28:05,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-09 14:28:05,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:28:05,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:28:05,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:28:05,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-02-09 14:28:05,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-09 14:28:05,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-09 14:28:05,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-09 14:28:05,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-09 14:28:05,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-09 14:28:05,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-09 14:28:05,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:28:05,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-02-09 14:28:05,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-02-09 14:28:05,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-09 14:28:05,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-09 14:28:05,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2022-02-09 14:28:06,121 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 [2022-02-09 14:28:06,121 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:28:06,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:28:06,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1938014775, now seen corresponding path program 44 times [2022-02-09 14:28:06,121 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:28:06,122 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677411181] [2022-02-09 14:28:06,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:28:06,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:28:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:28:06,766 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:28:06,766 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:28:06,766 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677411181] [2022-02-09 14:28:06,766 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677411181] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:28:06,766 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [320916598] [2022-02-09 14:28:06,766 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 14:28:06,766 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:28:06,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:28:06,770 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 14:28:06,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2022-02-09 14:28:06,820 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 14:28:06,820 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:28:06,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 70 conjunts are in the unsatisfiable core [2022-02-09 14:28:06,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:28:07,584 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 [2022-02-09 14:28:07,585 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 [2022-02-09 14:28:07,635 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:28:07,636 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:28:07,821 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-02-09 14:28:07,821 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 31 [2022-02-09 14:28:07,823 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 [2022-02-09 14:28:07,882 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:28:07,882 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [320916598] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:28:07,883 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:28:07,883 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35, 35] total 53 [2022-02-09 14:28:07,883 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859504112] [2022-02-09 14:28:07,883 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:28:07,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2022-02-09 14:28:07,883 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:28:07,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-02-09 14:28:07,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=2619, Unknown=0, NotChecked=0, Total=2756 [2022-02-09 14:28:07,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:28:07,884 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:28:07,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 1.169811320754717) internal successors, (62), 53 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) [2022-02-09 14:28:07,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:28:07,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:28:07,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:28:07,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:28:07,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:28:07,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:28:07,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:28:07,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:28:07,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:28:07,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:28:07,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:28:07,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:28:07,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:28:07,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:28:07,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:28:07,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:28:07,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:28:07,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:28:07,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:28:07,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:28:07,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:28:07,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:28:07,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:28:07,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:28:07,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:28:07,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:28:07,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:28:07,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:28:07,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 14:28:07,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-09 14:28:07,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-09 14:28:07,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:28:07,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:28:07,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:28:07,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-02-09 14:28:07,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-09 14:28:07,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-09 14:28:07,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-09 14:28:07,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-09 14:28:07,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-02-09 14:28:07,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-09 14:28:07,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:28:07,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-02-09 14:28:07,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-02-09 14:28:07,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-09 14:28:07,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-09 14:28:07,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:28:10,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:28:10,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:28:10,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:28:10,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:28:10,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:28:10,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:28:10,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:28:10,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:28:10,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:28:10,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:28:10,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:28:10,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:28:10,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:28:10,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:28:10,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:28:10,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:28:10,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:28:10,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:28:10,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:28:10,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:28:10,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:28:10,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:28:10,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:28:10,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:28:10,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:28:10,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:28:10,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:28:10,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:28:10,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 14:28:10,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 14:28:10,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-09 14:28:10,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:28:10,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:28:10,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:28:10,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-02-09 14:28:10,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-09 14:28:10,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-09 14:28:10,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-09 14:28:10,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-09 14:28:10,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-09 14:28:10,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-09 14:28:10,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:28:10,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-02-09 14:28:10,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-02-09 14:28:10,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-09 14:28:10,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-09 14:28:10,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-02-09 14:28:10,237 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Ended with exit code 0 [2022-02-09 14:28:10,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,47 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:28:10,421 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:28:10,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:28:10,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1542393671, now seen corresponding path program 45 times [2022-02-09 14:28:10,421 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:28:10,421 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158710932] [2022-02-09 14:28:10,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:28:10,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:28:10,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:28:11,057 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:28:11,057 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:28:11,057 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158710932] [2022-02-09 14:28:11,057 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158710932] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:28:11,057 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384679880] [2022-02-09 14:28:11,057 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 14:28:11,057 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:28:11,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:28:11,058 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 14:28:11,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2022-02-09 14:28:11,119 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2022-02-09 14:28:11,119 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:28:11,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 70 conjunts are in the unsatisfiable core [2022-02-09 14:28:11,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:28:11,868 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 [2022-02-09 14:28:11,872 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 [2022-02-09 14:28:11,874 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 [2022-02-09 14:28:11,918 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:28:11,918 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:28:12,113 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-02-09 14:28:12,113 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 [2022-02-09 14:28:12,115 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 [2022-02-09 14:28:12,171 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:28:12,171 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1384679880] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:28:12,171 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:28:12,171 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35, 35] total 53 [2022-02-09 14:28:12,171 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391683591] [2022-02-09 14:28:12,171 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:28:12,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2022-02-09 14:28:12,171 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:28:12,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-02-09 14:28:12,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=2619, Unknown=0, NotChecked=0, Total=2756 [2022-02-09 14:28:12,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:28:12,173 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:28:12,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 1.169811320754717) internal successors, (62), 53 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) [2022-02-09 14:28:12,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:28:12,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:28:12,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:28:12,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:28:12,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:28:12,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:28:12,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:28:12,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:28:12,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:28:12,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:28:12,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:28:12,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:28:12,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:28:12,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:28:12,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:28:12,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:28:12,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:28:12,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:28:12,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:28:12,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:28:12,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:28:12,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:28:12,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:28:12,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:28:12,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:28:12,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:28:12,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:28:12,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:28:12,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 14:28:12,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-09 14:28:12,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-09 14:28:12,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:28:12,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:28:12,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:28:12,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-02-09 14:28:12,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-09 14:28:12,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-09 14:28:12,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-09 14:28:12,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-09 14:28:12,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-02-09 14:28:12,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-09 14:28:12,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:28:12,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-02-09 14:28:12,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-02-09 14:28:12,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-09 14:28:12,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-09 14:28:12,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-02-09 14:28:12,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:28:14,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 14:28:14,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:28:14,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 14:28:14,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:28:14,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 14:28:14,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:28:14,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 14:28:14,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:28:14,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:28:14,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:28:14,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 14:28:14,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:28:14,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 14:28:14,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:28:14,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:28:14,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:28:14,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:28:14,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:28:14,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:28:14,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:28:14,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 14:28:14,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:28:14,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:28:14,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 14:28:14,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 14:28:14,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:28:14,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 14:28:14,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:28:14,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 14:28:14,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 14:28:14,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-09 14:28:14,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:28:14,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 14:28:14,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 14:28:14,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-02-09 14:28:14,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-09 14:28:14,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-09 14:28:14,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-09 14:28:14,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-09 14:28:14,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-09 14:28:14,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-09 14:28:14,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 14:28:14,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-02-09 14:28:14,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-02-09 14:28:14,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-09 14:28:14,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-09 14:28:14,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-02-09 14:28:14,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-09 14:28:14,192 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2022-02-09 14:28:14,376 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2022-02-09 14:28:14,376 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 14:28:14,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:28:14,376 INFO L85 PathProgramCache]: Analyzing trace with hash -602820701, now seen corresponding path program 46 times [2022-02-09 14:28:14,376 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:28:14,377 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542586819] [2022-02-09 14:28:14,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:28:14,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:28:14,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:28:15,762 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:28:15,763 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:28:15,763 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542586819] [2022-02-09 14:28:15,763 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542586819] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:28:15,763 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [575312250] [2022-02-09 14:28:15,763 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 14:28:15,763 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:28:15,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:28:15,764 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 14:28:15,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2022-02-09 14:28:15,815 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 14:28:15,815 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:28:15,817 WARN L261 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 197 conjunts are in the unsatisfiable core [2022-02-09 14:28:15,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:28:26,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:26,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:28:26,485 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 120 disjoint index pairs (out of 136 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 235 treesize of output 163 [2022-02-09 14:28:26,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:26,491 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 [2022-02-09 14:28:26,580 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:28:26,580 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:28:41,067 INFO L353 Elim1Store]: treesize reduction 3722, result has 7.0 percent of original size [2022-02-09 14:28:41,067 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 32 select indices, 32 select index equivalence classes, 120 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 376 case distinctions, treesize of input 488 treesize of output 636 [2022-02-09 14:28:41,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,102 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,102 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,138 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,139 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,140 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,140 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,141 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,141 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,141 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,144 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,144 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,149 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,149 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,150 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,150 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,150 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,151 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,151 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,152 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,153 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,154 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,155 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,164 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,168 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,168 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,170 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,170 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,171 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,178 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,178 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,179 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,179 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,180 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,180 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,182 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,182 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,184 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,184 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,184 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,187 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,187 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,188 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,195 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,197 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,197 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,198 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,199 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,200 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,200 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,201 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,203 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,203 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,205 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,205 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,205 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,208 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,208 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,210 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,210 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,215 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,215 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,220 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,237 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,237 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,240 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,240 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,243 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,264 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,264 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 14:28:41,269 INFO L244 Elim1Store]: Index analysis took 174 ms [2022-02-09 14:28:44,367 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 14:28:44,368 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 32 select indices, 32 select index equivalence classes, 240 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 256 case distinctions, treesize of input 508 treesize of output 2938 Received shutdown request... [2022-02-09 14:30:33,148 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-09 14:30:33,150 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-02-09 14:30:33,164 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-09 14:30:33,164 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 [2022-02-09 14:30:33,168 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Forceful destruction successful, exit code 0 [2022-02-09 14:30:33,181 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 [2022-02-09 14:30:33,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2022-02-09 14:30:33,350 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 43 with TraceHistMax 16,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 9ms.. [2022-02-09 14:30:33,352 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-09 14:30:33,352 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-09 14:30:33,355 INFO L732 BasicCegarLoop]: Path program histogram: [46, 1, 1, 1] [2022-02-09 14:30:33,357 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 14:30:33,357 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 14:30:33,358 INFO L202 PluginConnector]: Adding new model array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 02:30:33 BasicIcfg [2022-02-09 14:30:33,358 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 14:30:33,358 INFO L158 Benchmark]: Toolchain (without parser) took 797764.59ms. Allocated memory was 182.5MB in the beginning and 805.3MB in the end (delta: 622.9MB). Free memory was 143.5MB in the beginning and 323.9MB in the end (delta: -180.4MB). Peak memory consumption was 549.1MB. Max. memory is 8.0GB. [2022-02-09 14:30:33,358 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 182.5MB. Free memory is still 144.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 14:30:33,358 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.92ms. Allocated memory is still 182.5MB. Free memory was 143.3MB in the beginning and 141.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 14:30:33,359 INFO L158 Benchmark]: Boogie Preprocessor took 11.30ms. Allocated memory is still 182.5MB. Free memory was 141.8MB in the beginning and 140.9MB in the end (delta: 956.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 14:30:33,359 INFO L158 Benchmark]: RCFGBuilder took 217.18ms. Allocated memory is still 182.5MB. Free memory was 140.8MB in the beginning and 130.1MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-09 14:30:33,359 INFO L158 Benchmark]: TraceAbstraction took 797511.82ms. Allocated memory was 182.5MB in the beginning and 805.3MB in the end (delta: 622.9MB). Free memory was 129.5MB in the beginning and 323.9MB in the end (delta: -194.3MB). Peak memory consumption was 535.5MB. Max. memory is 8.0GB. [2022-02-09 14:30:33,359 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 182.5MB. Free memory is still 144.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 18.92ms. Allocated memory is still 182.5MB. Free memory was 143.3MB in the beginning and 141.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 11.30ms. Allocated memory is still 182.5MB. Free memory was 141.8MB in the beginning and 140.9MB in the end (delta: 956.4kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 217.18ms. Allocated memory is still 182.5MB. Free memory was 140.8MB in the beginning and 130.1MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 797511.82ms. Allocated memory was 182.5MB in the beginning and 805.3MB in the end (delta: 622.9MB). Free memory was 129.5MB in the beginning and 323.9MB in the end (delta: -194.3MB). Peak memory consumption was 535.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3287, positive: 2269, positive conditional: 2199, positive unconditional: 70, negative: 1018, negative conditional: 1018, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2269, positive: 2269, positive conditional: 2199, positive unconditional: 70, 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: 2269, positive: 2269, positive conditional: 2199, positive unconditional: 70, 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: 2269, positive: 2269, positive conditional: 2091, positive unconditional: 178, 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: 2269, positive: 2269, positive conditional: 2079, positive unconditional: 190, 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: 2269, positive: 2269, positive conditional: 2079, positive unconditional: 190, 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: 70, positive: 70, positive conditional: 0, positive unconditional: 70, 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: 70, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 35, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2269, positive: 2199, positive conditional: 2079, positive unconditional: 120, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 70, unknown conditional: 0, unknown unconditional: 70] , Statistics on independence cache: Total cache size (in pairs): 70, Positive cache size: 70, Positive conditional cache size: 0, Positive unconditional cache size: 70, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 12, Maximal queried relation: 0, Independence queries for same thread: 1018 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 10, Number of trivial persistent sets: 6, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 70, positive: 70, positive conditional: 0, positive unconditional: 70, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3287, positive: 2269, positive conditional: 2199, positive unconditional: 70, negative: 1018, negative conditional: 1018, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2269, positive: 2269, positive conditional: 2199, positive unconditional: 70, 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: 2269, positive: 2269, positive conditional: 2199, positive unconditional: 70, 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: 2269, positive: 2269, positive conditional: 2091, positive unconditional: 178, 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: 2269, positive: 2269, positive conditional: 2079, positive unconditional: 190, 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: 2269, positive: 2269, positive conditional: 2079, positive unconditional: 190, 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: 70, positive: 70, positive conditional: 0, positive unconditional: 70, 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: 70, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 35, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2269, positive: 2199, positive conditional: 2079, positive unconditional: 120, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 70, unknown conditional: 0, unknown unconditional: 70] , Statistics on independence cache: Total cache size (in pairs): 70, Positive cache size: 70, Positive conditional cache size: 0, Positive unconditional cache size: 70, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 12, Maximal queried relation: 0, Independence queries for same thread: 1018 - 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 PartialOrderCegarLoop was analyzing trace of length 43 with TraceHistMax 16,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 9ms.. - 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 PartialOrderCegarLoop was analyzing trace of length 43 with TraceHistMax 16,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 9ms.. - 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 PartialOrderCegarLoop was analyzing trace of length 43 with TraceHistMax 16,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 9ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 23 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 797.4s, OverallIterations: 49, TraceHistogramMax: 0, PathProgramHistogramMax: 46, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 57.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1210, 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: 0.3s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 589.0s InterpolantComputationTime, 2443 NumberOfCodeBlocks, 2443 NumberOfCodeBlocksAsserted, 208 NumberOfCheckSat, 3514 ConstructedInterpolants, 147 QuantifiedInterpolants, 135410 SizeOfPredicates, 432 NumberOfNonLiveVariables, 7296 ConjunctsInSsa, 2785 ConjunctsInUnsatCore, 140 InterpolantComputations, 2 PerfectInterpolantSequences, 406/13054 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