/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/queue-add-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 04:21:02,154 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 04:21:02,156 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 04:21:02,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-19 04:21:02,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 04:21:02,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 04:21:02,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 04:21:02,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 04:21:02,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 04:21:02,228 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 04:21:02,230 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 04:21:02,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 04:21:02,242 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 04:21:02,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 04:21:02,248 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 04:21:02,250 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 04:21:02,256 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-19 04:21:02,262 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 04:21:02,263 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 04:21:02,264 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 04:21:02,269 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 [2022-02-19 04:21:02,304 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 04:21:02,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 04:21:02,305 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 04:21:02,305 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 04:21:02,306 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 04:21:02,306 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 04:21:02,306 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 04:21:02,306 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 04:21:02,307 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 04:21:02,307 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 04:21:02,307 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 04:21:02,308 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 04:21:02,308 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 04:21:02,308 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 04:21:02,308 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 04:21:02,308 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 04:21:02,308 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 04:21:02,308 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 04:21:02,308 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 04:21:02,308 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 04:21:02,308 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 04:21:02,309 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 04:21:02,309 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 04:21:02,309 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 04:21:02,309 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 04:21:02,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 04:21:02,309 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 04:21:02,309 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 04:21:02,310 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 04:21:02,310 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 04:21:02,310 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 04:21:02,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 04:21:02,310 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 04:21:02,310 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 04:21:02,310 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 04:21:02,310 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-19 04:21:02,311 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-19 04:21:02,311 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 04:21:02,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 04:21:02,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 04:21:02,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 04:21:02,557 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-19 04:21:02,557 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-19 04:21:02,558 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/queue-add-2.wvr.bpl [2022-02-19 04:21:02,558 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/queue-add-2.wvr.bpl' [2022-02-19 04:21:02,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 04:21:02,579 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-19 04:21:02,581 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 04:21:02,581 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 04:21:02,581 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 04:21:02,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:21:02" (1/1) ... [2022-02-19 04:21:02,595 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:21:02" (1/1) ... [2022-02-19 04:21:02,600 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-19 04:21:02,601 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 04:21:02,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 04:21:02,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 04:21:02,602 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 04:21:02,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:21:02" (1/1) ... [2022-02-19 04:21:02,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:21:02" (1/1) ... [2022-02-19 04:21:02,609 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:21:02" (1/1) ... [2022-02-19 04:21:02,609 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:21:02" (1/1) ... [2022-02-19 04:21:02,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:21:02" (1/1) ... [2022-02-19 04:21:02,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:21:02" (1/1) ... [2022-02-19 04:21:02,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:21:02" (1/1) ... [2022-02-19 04:21:02,617 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 04:21:02,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 04:21:02,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 04:21:02,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 04:21:02,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:21:02" (1/1) ... [2022-02-19 04:21:02,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 04:21:02,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:21:02,652 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) [2022-02-19 04:21:02,659 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 [2022-02-19 04:21:02,680 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-19 04:21:02,680 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-19 04:21:02,680 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-19 04:21:02,681 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-19 04:21:02,681 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-19 04:21:02,681 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-19 04:21:02,681 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-19 04:21:02,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 04:21:02,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 04:21:02,682 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 04:21:02,723 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 04:21:02,724 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 04:21:02,832 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 04:21:02,850 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 04:21:02,850 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-19 04:21:02,852 INFO L202 PluginConnector]: Adding new model queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:21:02 BoogieIcfgContainer [2022-02-19 04:21:02,855 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 04:21:02,856 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 04:21:02,856 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 04:21:02,877 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 04:21:02,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:21:02" (1/2) ... [2022-02-19 04:21:02,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44097241 and model type queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 04:21:02, skipping insertion in model container [2022-02-19 04:21:02,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:21:02" (2/2) ... [2022-02-19 04:21:02,880 INFO L111 eAbstractionObserver]: Analyzing ICFG queue-add-2.wvr.bpl [2022-02-19 04:21:02,884 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 04:21:02,884 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 04:21:02,884 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-19 04:21:02,884 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 04:21:02,923 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-19 04:21:02,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 04:21:02,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:21:02,998 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) [2022-02-19 04:21:03,041 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 [2022-02-19 04:21:03,058 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-19 04:21:03,067 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-19 04:21:03,068 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-19 04:21:03,219 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 04:21:03,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:21:03,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1284111015, now seen corresponding path program 1 times [2022-02-19 04:21:03,230 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:21:03,231 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073603755] [2022-02-19 04:21:03,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:21:03,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:21:03,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:21:03,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:03,365 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:21:03,365 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073603755] [2022-02-19 04:21:03,365 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073603755] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 04:21:03,366 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 04:21:03,366 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-19 04:21:03,367 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644339584] [2022-02-19 04:21:03,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 04:21:03,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 04:21:03,372 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:21:03,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 04:21:03,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 04:21:03,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:21:03,431 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:21:03,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2022-02-19 04:21:03,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:21:03,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:21:03,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 04:21:03,459 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 04:21:03,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:21:03,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1363030998, now seen corresponding path program 1 times [2022-02-19 04:21:03,460 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:21:03,460 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950117629] [2022-02-19 04:21:03,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:21:03,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:21:03,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:21:03,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:03,636 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:21:03,636 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950117629] [2022-02-19 04:21:03,636 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950117629] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:21:03,637 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1841743402] [2022-02-19 04:21:03,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:21:03,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:21:03,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:21:03,640 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) [2022-02-19 04:21:03,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-19 04:21:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:21:03,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 10 conjunts are in the unsatisfiable core [2022-02-19 04:21:03,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:21:03,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:03,974 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:21:04,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:04,129 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1841743402] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:21:04,129 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:21:04,129 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 12 [2022-02-19 04:21:04,130 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487214165] [2022-02-19 04:21:04,130 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:21:04,133 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-19 04:21:04,133 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:21:04,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-19 04:21:04,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2022-02-19 04:21:04,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:21:04,136 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:21:04,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 12 states have internal predecessors, (34), 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) [2022-02-19 04:21:04,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:21:04,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:21:04,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:21:04,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:21:04,339 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-19 04:21:04,523 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,SelfDestructingSolverStorable1 [2022-02-19 04:21:04,524 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 04:21:04,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:21:04,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1221867961, now seen corresponding path program 1 times [2022-02-19 04:21:04,525 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:21:04,525 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6269935] [2022-02-19 04:21:04,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:21:04,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:21:04,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:21:04,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:04,590 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:21:04,590 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6269935] [2022-02-19 04:21:04,590 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6269935] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:21:04,591 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793457988] [2022-02-19 04:21:04,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:21:04,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:21:04,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:21:04,592 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) [2022-02-19 04:21:04,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-19 04:21:04,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:21:04,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-19 04:21:04,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:21:04,704 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-19 04:21:04,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:04,722 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:21:04,782 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-02-19 04:21:04,783 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 13 treesize of output 12 [2022-02-19 04:21:04,795 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:04,795 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1793457988] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:21:04,795 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:21:04,795 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2022-02-19 04:21:04,796 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045036300] [2022-02-19 04:21:04,796 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:21:04,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-19 04:21:04,796 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:21:04,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-19 04:21:04,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-02-19 04:21:04,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:21:04,797 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:21:04,798 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 7 states have internal predecessors, (33), 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) [2022-02-19 04:21:04,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:21:04,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:21:04,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:21:04,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:21:04,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:21:04,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:21:04,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-19 04:21:05,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:21:05,089 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 04:21:05,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:21:05,090 INFO L85 PathProgramCache]: Analyzing trace with hash 374654922, now seen corresponding path program 2 times [2022-02-19 04:21:05,090 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:21:05,090 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7345564] [2022-02-19 04:21:05,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:21:05,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:21:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:21:05,347 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:05,347 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:21:05,347 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7345564] [2022-02-19 04:21:05,348 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7345564] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:21:05,348 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134350462] [2022-02-19 04:21:05,348 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 04:21:05,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:21:05,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:21:05,352 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) [2022-02-19 04:21:05,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-19 04:21:05,392 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 04:21:05,393 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:21:05,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 24 conjunts are in the unsatisfiable core [2022-02-19 04:21:05,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:21:05,583 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-19 04:21:05,733 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:05,734 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:21:05,993 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 04:21:05,993 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 20 [2022-02-19 04:21:06,071 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:06,071 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [134350462] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:21:06,071 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:21:06,071 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 12] total 27 [2022-02-19 04:21:06,072 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833778438] [2022-02-19 04:21:06,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:21:06,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-02-19 04:21:06,072 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:21:06,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-02-19 04:21:06,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=650, Unknown=0, NotChecked=0, Total=756 [2022-02-19 04:21:06,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:21:06,074 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:21:06,074 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 2.0) internal successors, (56), 27 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) [2022-02-19 04:21:06,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:21:06,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:21:06,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:21:06,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:21:06,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:21:06,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:21:06,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:21:06,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:21:06,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-19 04:21:06,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:21:06,456 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 04:21:06,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:21:06,456 INFO L85 PathProgramCache]: Analyzing trace with hash 538944269, now seen corresponding path program 3 times [2022-02-19 04:21:06,456 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:21:06,457 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670917666] [2022-02-19 04:21:06,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:21:06,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:21:06,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:21:06,539 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:06,540 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:21:06,541 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670917666] [2022-02-19 04:21:06,543 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670917666] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:21:06,544 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1462706750] [2022-02-19 04:21:06,544 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 04:21:06,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:21:06,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:21:06,548 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 04:21:06,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-19 04:21:06,583 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-02-19 04:21:06,583 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:21:06,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-19 04:21:06,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:21:06,685 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-19 04:21:06,700 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:06,700 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:21:06,776 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-02-19 04:21:06,777 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-02-19 04:21:06,807 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:06,807 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1462706750] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:21:06,807 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:21:06,807 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 11 [2022-02-19 04:21:06,808 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322185596] [2022-02-19 04:21:06,808 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:21:06,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-19 04:21:06,809 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:21:06,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-19 04:21:06,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-02-19 04:21:06,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:21:06,810 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:21:06,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 11 states have internal predecessors, (48), 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) [2022-02-19 04:21:06,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:21:06,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:21:06,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:21:06,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:21:06,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:21:06,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:21:06,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:21:06,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:21:06,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:21:06,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:21:06,971 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-19 04:21:07,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:21:07,146 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 04:21:07,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:21:07,147 INFO L85 PathProgramCache]: Analyzing trace with hash 86529261, now seen corresponding path program 4 times [2022-02-19 04:21:07,147 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:21:07,147 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568613478] [2022-02-19 04:21:07,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:21:07,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:21:07,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:21:07,268 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:07,269 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:21:07,269 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568613478] [2022-02-19 04:21:07,269 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568613478] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:21:07,269 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2041335100] [2022-02-19 04:21:07,269 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-19 04:21:07,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:21:07,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:21:07,271 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) [2022-02-19 04:21:07,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-19 04:21:07,319 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-19 04:21:07,319 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:21:07,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-19 04:21:07,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:21:07,423 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-19 04:21:07,435 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:07,435 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:21:07,516 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-02-19 04:21:07,517 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-02-19 04:21:07,557 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:07,557 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2041335100] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:21:07,557 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:21:07,557 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 13 [2022-02-19 04:21:07,558 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349625072] [2022-02-19 04:21:07,559 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:21:07,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-02-19 04:21:07,560 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:21:07,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-02-19 04:21:07,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-02-19 04:21:07,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:21:07,562 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:21:07,563 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 13 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) [2022-02-19 04:21:07,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:21:07,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:21:07,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:21:07,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:21:07,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:21:07,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:21:07,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:21:07,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:21:07,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:21:07,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:21:07,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:21:07,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:21:07,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-19 04:21:07,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:21:07,955 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 04:21:07,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:21:07,955 INFO L85 PathProgramCache]: Analyzing trace with hash -528641168, now seen corresponding path program 5 times [2022-02-19 04:21:07,956 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:21:07,956 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708288830] [2022-02-19 04:21:07,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:21:07,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:21:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:21:08,606 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:08,606 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:21:08,606 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708288830] [2022-02-19 04:21:08,606 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708288830] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:21:08,606 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068531535] [2022-02-19 04:21:08,606 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-19 04:21:08,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:21:08,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:21:08,612 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) [2022-02-19 04:21:08,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-19 04:21:08,654 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2022-02-19 04:21:08,654 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:21:08,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 44 conjunts are in the unsatisfiable core [2022-02-19 04:21:08,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:21:09,294 INFO L353 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-02-19 04:21:09,294 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 20 [2022-02-19 04:21:09,522 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:09,522 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:21:10,416 INFO L353 Elim1Store]: treesize reduction 76, result has 52.8 percent of original size [2022-02-19 04:21:10,416 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 60 treesize of output 114 [2022-02-19 04:21:10,566 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:10,567 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2068531535] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:21:10,567 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:21:10,567 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 20, 20] total 48 [2022-02-19 04:21:10,568 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783292010] [2022-02-19 04:21:10,568 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:21:10,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-02-19 04:21:10,569 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:21:10,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-02-19 04:21:10,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=2170, Unknown=0, NotChecked=0, Total=2352 [2022-02-19 04:21:10,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:21:10,570 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:21:10,571 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 1.836734693877551) internal successors, (90), 48 states have internal predecessors, (90), 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) [2022-02-19 04:21:10,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:21:10,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:21:10,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:21:10,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:21:10,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:21:10,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:21:10,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:21:11,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:21:11,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:21:11,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:21:11,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:21:11,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:21:11,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:21:11,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:21:11,188 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-19 04:21:11,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:21:11,386 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 04:21:11,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:21:11,386 INFO L85 PathProgramCache]: Analyzing trace with hash 958004595, now seen corresponding path program 6 times [2022-02-19 04:21:11,386 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:21:11,386 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281672283] [2022-02-19 04:21:11,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:21:11,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:21:11,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:21:11,509 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:11,509 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:21:11,509 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281672283] [2022-02-19 04:21:11,510 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281672283] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:21:11,510 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1001516140] [2022-02-19 04:21:11,510 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-19 04:21:11,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:21:11,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:21:11,511 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) [2022-02-19 04:21:11,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-19 04:21:11,553 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2022-02-19 04:21:11,553 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:21:11,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 20 conjunts are in the unsatisfiable core [2022-02-19 04:21:11,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:21:11,659 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-19 04:21:11,676 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:11,677 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:21:11,796 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-02-19 04:21:11,796 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-02-19 04:21:11,856 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:11,856 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1001516140] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:21:11,856 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:21:11,857 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 16 [2022-02-19 04:21:11,857 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984241719] [2022-02-19 04:21:11,857 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:21:11,859 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-19 04:21:11,864 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:21:11,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-19 04:21:11,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2022-02-19 04:21:11,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:21:11,865 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:21:11,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 16 states have internal predecessors, (66), 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) [2022-02-19 04:21:11,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:21:11,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:21:11,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:21:11,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:21:11,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:21:11,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:21:11,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:21:11,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:21:12,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:21:12,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:21:12,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:21:12,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:21:12,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:21:12,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:21:12,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:21:12,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:21:12,088 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-02-19 04:21:12,269 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,SelfDestructingSolverStorable7 [2022-02-19 04:21:12,270 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 04:21:12,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:21:12,270 INFO L85 PathProgramCache]: Analyzing trace with hash -88373002, now seen corresponding path program 7 times [2022-02-19 04:21:12,270 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:21:12,270 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679888820] [2022-02-19 04:21:12,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:21:12,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:21:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:21:13,112 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:13,113 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:21:13,113 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679888820] [2022-02-19 04:21:13,113 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679888820] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:21:13,113 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [530291026] [2022-02-19 04:21:13,113 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-19 04:21:13,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:21:13,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:21:13,120 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) [2022-02-19 04:21:13,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-19 04:21:13,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:21:13,153 WARN L261 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 58 conjunts are in the unsatisfiable core [2022-02-19 04:21:13,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:21:14,000 INFO L353 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2022-02-19 04:21:14,000 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 22 [2022-02-19 04:21:14,224 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:14,224 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:21:15,373 INFO L353 Elim1Store]: treesize reduction 156, result has 49.5 percent of original size [2022-02-19 04:21:15,373 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 78 treesize of output 188 [2022-02-19 04:21:15,694 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:15,694 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [530291026] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:21:15,694 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:21:15,694 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 24, 24] total 59 [2022-02-19 04:21:15,694 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518653948] [2022-02-19 04:21:15,694 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:21:15,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2022-02-19 04:21:15,695 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:21:15,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2022-02-19 04:21:15,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=3319, Unknown=0, NotChecked=0, Total=3540 [2022-02-19 04:21:15,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:21:15,697 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:21:15,697 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 1.8) internal successors, (108), 59 states have internal predecessors, (108), 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) [2022-02-19 04:21:15,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:21:15,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:21:15,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:21:15,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:21:15,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:21:15,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:21:15,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:21:15,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:21:15,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:21:16,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:21:16,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:21:16,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:21:16,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:21:16,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:21:16,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:21:16,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:21:16,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:21:16,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:21:16,674 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-19 04:21:16,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:21:16,848 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 04:21:16,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:21:16,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1859610003, now seen corresponding path program 8 times [2022-02-19 04:21:16,849 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:21:16,849 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200979466] [2022-02-19 04:21:16,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:21:16,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:21:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:21:16,985 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:16,985 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:21:16,985 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200979466] [2022-02-19 04:21:16,985 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200979466] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:21:16,985 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1933024743] [2022-02-19 04:21:16,986 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 04:21:16,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:21:16,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:21:16,988 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) [2022-02-19 04:21:16,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-19 04:21:17,019 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 04:21:17,019 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:21:17,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 24 conjunts are in the unsatisfiable core [2022-02-19 04:21:17,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:21:17,141 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-19 04:21:17,152 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:17,152 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:21:17,275 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-02-19 04:21:17,276 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-02-19 04:21:17,330 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:17,330 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1933024743] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:21:17,330 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:21:17,330 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 19 [2022-02-19 04:21:17,330 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238604028] [2022-02-19 04:21:17,330 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:21:17,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-02-19 04:21:17,331 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:21:17,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-02-19 04:21:17,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=337, Unknown=0, NotChecked=0, Total=380 [2022-02-19 04:21:17,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:21:17,332 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:21:17,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.85) internal successors, (77), 19 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) [2022-02-19 04:21:17,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:21:17,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:21:17,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:21:17,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:21:17,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:21:17,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:21:17,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:21:17,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:21:17,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:21:17,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:21:17,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:21:17,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:21:17,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:21:17,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:21:17,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:21:17,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:21:17,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:21:17,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:21:17,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:21:17,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:21:17,654 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-19 04:21:17,827 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,SelfDestructingSolverStorable9 [2022-02-19 04:21:17,827 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 04:21:17,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:21:17,827 INFO L85 PathProgramCache]: Analyzing trace with hash -985145066, now seen corresponding path program 9 times [2022-02-19 04:21:17,828 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:21:17,828 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037059666] [2022-02-19 04:21:17,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:21:17,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:21:17,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:21:18,904 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:18,904 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:21:18,904 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037059666] [2022-02-19 04:21:18,904 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037059666] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:21:18,904 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2065168224] [2022-02-19 04:21:18,904 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 04:21:18,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:21:18,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:21:18,906 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) [2022-02-19 04:21:18,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-19 04:21:18,948 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-02-19 04:21:18,948 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:21:18,950 WARN L261 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 72 conjunts are in the unsatisfiable core [2022-02-19 04:21:18,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:21:22,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:21:22,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:21:22,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:21:22,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:21:22,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:21:22,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:21:22,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:21:22,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:21:22,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:21:22,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:21:22,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:21:22,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:21:22,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:21:22,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:21:22,051 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:21:22,061 INFO L353 Elim1Store]: treesize reduction 39, result has 17.0 percent of original size [2022-02-19 04:21:22,062 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 40 [2022-02-19 04:21:22,619 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:22,619 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:21:26,730 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:21:26,732 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:21:26,733 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:21:26,733 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:21:26,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:21:26,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:21:26,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:21:26,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:21:26,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:21:26,740 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:21:26,741 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:21:26,742 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:21:26,742 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:21:26,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:21:26,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:21:26,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:21:26,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:21:26,745 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:21:26,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:21:26,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:21:26,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:21:26,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:21:26,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:21:26,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:21:26,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:21:26,751 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:21:26,863 INFO L353 Elim1Store]: treesize reduction 56, result has 71.3 percent of original size [2022-02-19 04:21:26,863 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 95 treesize of output 183 [2022-02-19 04:21:27,288 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:27,288 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2065168224] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:21:27,288 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:21:27,288 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 32, 32] total 85 [2022-02-19 04:21:27,288 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983358656] [2022-02-19 04:21:27,288 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:21:27,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2022-02-19 04:21:27,289 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:21:27,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2022-02-19 04:21:27,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=693, Invalid=6617, Unknown=0, NotChecked=0, Total=7310 [2022-02-19 04:21:27,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:21:27,291 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:21:27,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 1.6395348837209303) internal successors, (141), 85 states have internal predecessors, (141), 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) [2022-02-19 04:21:27,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:21:27,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:21:27,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:21:27,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:21:27,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:21:27,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:21:27,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:21:27,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:21:27,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:21:27,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:21:27,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:21:30,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:21:30,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:21:30,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:21:30,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:21:30,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:21:30,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:21:30,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:21:30,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:21:30,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:21:30,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:21:30,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:21:30,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-02-19 04:21:30,235 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,SelfDestructingSolverStorable10 [2022-02-19 04:21:30,236 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 04:21:30,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:21:30,236 INFO L85 PathProgramCache]: Analyzing trace with hash -998962727, now seen corresponding path program 10 times [2022-02-19 04:21:30,236 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:21:30,236 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548171077] [2022-02-19 04:21:30,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:21:30,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:21:30,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:21:30,423 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:30,423 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:21:30,423 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548171077] [2022-02-19 04:21:30,424 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548171077] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:21:30,424 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251449566] [2022-02-19 04:21:30,424 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-19 04:21:30,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:21:30,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:21:30,425 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) [2022-02-19 04:21:30,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-19 04:21:30,463 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-19 04:21:30,464 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:21:30,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-19 04:21:30,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:21:30,662 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-19 04:21:30,674 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:30,675 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:21:30,824 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-02-19 04:21:30,824 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-02-19 04:21:30,888 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:30,888 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1251449566] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:21:30,888 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:21:30,888 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 22 [2022-02-19 04:21:30,889 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159866994] [2022-02-19 04:21:30,889 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:21:30,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-02-19 04:21:30,889 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:21:30,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-02-19 04:21:30,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=456, Unknown=0, NotChecked=0, Total=506 [2022-02-19 04:21:30,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:21:30,890 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:21:30,890 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.8260869565217392) internal successors, (88), 22 states have internal predecessors, (88), 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) [2022-02-19 04:21:30,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:21:30,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:21:30,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:21:30,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:21:30,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:21:30,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:21:30,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:21:30,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:21:30,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:21:30,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:21:30,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:21:30,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:21:31,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:21:31,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:21:31,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:21:31,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:21:31,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:21:31,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:21:31,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:21:31,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:21:31,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:21:31,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:21:31,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:21:31,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:21:31,270 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-02-19 04:21:31,444 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,SelfDestructingSolverStorable11 [2022-02-19 04:21:31,445 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 04:21:31,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:21:31,445 INFO L85 PathProgramCache]: Analyzing trace with hash 256766556, now seen corresponding path program 11 times [2022-02-19 04:21:31,445 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:21:31,445 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885292225] [2022-02-19 04:21:31,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:21:31,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:21:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:21:32,887 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:32,888 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:21:32,888 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885292225] [2022-02-19 04:21:32,888 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885292225] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:21:32,888 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024920426] [2022-02-19 04:21:32,888 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-19 04:21:32,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:21:32,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:21:32,890 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) [2022-02-19 04:21:32,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-02-19 04:21:32,930 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2022-02-19 04:21:32,930 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:21:32,931 WARN L261 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 80 conjunts are in the unsatisfiable core [2022-02-19 04:21:32,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:21:34,514 INFO L353 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2022-02-19 04:21:34,514 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 82 treesize of output 38 [2022-02-19 04:21:34,791 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:34,792 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:21:37,128 INFO L353 Elim1Store]: treesize reduction 400, result has 46.6 percent of original size [2022-02-19 04:21:37,128 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 114 treesize of output 396 [2022-02-19 04:21:37,588 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:37,588 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2024920426] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:21:37,589 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:21:37,589 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 32, 32] total 81 [2022-02-19 04:21:37,589 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258713071] [2022-02-19 04:21:37,589 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:21:37,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2022-02-19 04:21:37,590 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:21:37,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2022-02-19 04:21:37,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=299, Invalid=6343, Unknown=0, NotChecked=0, Total=6642 [2022-02-19 04:21:37,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:21:37,591 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:21:37,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 1.7560975609756098) internal successors, (144), 81 states have internal predecessors, (144), 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) [2022-02-19 04:21:37,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:21:37,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:21:37,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:21:37,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:21:37,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:21:37,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:21:37,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:21:37,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:21:37,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:21:37,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:21:37,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:21:37,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:21:37,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:21:38,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:21:38,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:21:38,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:21:38,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:21:38,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:21:38,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:21:38,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:21:38,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:21:38,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:21:38,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:21:38,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:21:38,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:21:38,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:21:39,014 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-02-19 04:21:39,198 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,SelfDestructingSolverStorable12 [2022-02-19 04:21:39,199 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 04:21:39,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:21:39,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1661532217, now seen corresponding path program 12 times [2022-02-19 04:21:39,199 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:21:39,199 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032586423] [2022-02-19 04:21:39,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:21:39,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:21:39,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:21:39,422 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:39,422 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:21:39,422 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032586423] [2022-02-19 04:21:39,422 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032586423] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:21:39,422 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [431369485] [2022-02-19 04:21:39,423 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-19 04:21:39,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:21:39,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:21:39,424 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) [2022-02-19 04:21:39,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-02-19 04:21:39,462 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2022-02-19 04:21:39,463 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:21:39,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 32 conjunts are in the unsatisfiable core [2022-02-19 04:21:39,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:21:39,642 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-19 04:21:39,655 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:39,655 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:21:39,827 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-02-19 04:21:39,827 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-02-19 04:21:39,901 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:39,902 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [431369485] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:21:39,902 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:21:39,902 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 25 [2022-02-19 04:21:39,902 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736371209] [2022-02-19 04:21:39,902 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:21:39,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-02-19 04:21:39,902 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:21:39,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-02-19 04:21:39,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-02-19 04:21:39,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:21:39,903 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:21:39,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.8076923076923075) internal successors, (99), 25 states have internal predecessors, (99), 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) [2022-02-19 04:21:39,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:21:39,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:21:39,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:21:39,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:21:39,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:21:39,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:21:39,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:21:39,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:21:39,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:21:39,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:21:39,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:21:39,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:21:39,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:21:39,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:21:40,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:21:40,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:21:40,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:21:40,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:21:40,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:21:40,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:21:40,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:21:40,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:21:40,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:21:40,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:21:40,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:21:40,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:21:40,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:21:40,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:21:40,277 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-02-19 04:21:40,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:21:40,462 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 04:21:40,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:21:40,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1266921660, now seen corresponding path program 13 times [2022-02-19 04:21:40,462 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:21:40,462 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580501766] [2022-02-19 04:21:40,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:21:40,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:21:40,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:21:42,176 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:42,176 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:21:42,176 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580501766] [2022-02-19 04:21:42,176 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580501766] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:21:42,176 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1871807735] [2022-02-19 04:21:42,176 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-19 04:21:42,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:21:42,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:21:42,177 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) [2022-02-19 04:21:42,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-02-19 04:21:42,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:21:42,211 WARN L261 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 94 conjunts are in the unsatisfiable core [2022-02-19 04:21:42,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:21:44,113 INFO L353 Elim1Store]: treesize reduction 252, result has 0.4 percent of original size [2022-02-19 04:21:44,113 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 100 treesize of output 44 [2022-02-19 04:21:44,403 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:44,404 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:21:47,623 INFO L353 Elim1Store]: treesize reduction 564, result has 45.8 percent of original size [2022-02-19 04:21:47,624 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 132 treesize of output 530 [2022-02-19 04:21:48,500 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:48,500 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1871807735] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:21:48,500 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:21:48,501 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 36, 36] total 92 [2022-02-19 04:21:48,501 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466133163] [2022-02-19 04:21:48,501 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:21:48,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2022-02-19 04:21:48,501 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:21:48,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2022-02-19 04:21:48,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=338, Invalid=8218, Unknown=0, NotChecked=0, Total=8556 [2022-02-19 04:21:48,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:21:48,503 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:21:48,503 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 1.7419354838709677) internal successors, (162), 92 states have internal predecessors, (162), 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) [2022-02-19 04:21:48,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:21:48,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:21:48,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:21:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:21:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:21:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:21:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:21:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:21:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:21:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:21:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:21:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:21:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:21:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:21:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:21:50,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:21:50,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:21:50,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:21:50,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:21:50,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:21:50,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:21:50,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:21:50,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:21:50,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:21:50,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:21:50,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:21:50,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:21:50,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:21:50,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:21:50,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:21:50,583 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2022-02-19 04:21:50,767 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,SelfDestructingSolverStorable14 [2022-02-19 04:21:50,768 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 04:21:50,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:21:50,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1923926079, now seen corresponding path program 14 times [2022-02-19 04:21:50,768 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:21:50,768 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212863224] [2022-02-19 04:21:50,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:21:50,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:21:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:21:50,985 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:50,985 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:21:50,986 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212863224] [2022-02-19 04:21:50,986 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212863224] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:21:50,986 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469070630] [2022-02-19 04:21:50,986 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 04:21:50,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:21:50,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:21:50,987 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) [2022-02-19 04:21:50,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-02-19 04:21:51,020 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 04:21:51,020 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:21:51,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 36 conjunts are in the unsatisfiable core [2022-02-19 04:21:51,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:21:51,183 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-19 04:21:51,193 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:51,193 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:21:51,396 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-02-19 04:21:51,396 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-02-19 04:21:51,481 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:51,481 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469070630] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:21:51,481 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:21:51,481 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 28 [2022-02-19 04:21:51,481 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417986569] [2022-02-19 04:21:51,481 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:21:51,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-02-19 04:21:51,482 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:21:51,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-02-19 04:21:51,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=748, Unknown=0, NotChecked=0, Total=812 [2022-02-19 04:21:51,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:21:51,482 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:21:51,483 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 3.793103448275862) internal successors, (110), 28 states have internal predecessors, (110), 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) [2022-02-19 04:21:51,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:21:51,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:21:51,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:21:51,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:21:51,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:21:51,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:21:51,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:21:51,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:21:51,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:21:51,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:21:51,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:21:51,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:21:51,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:21:51,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:21:51,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:21:51,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:21:51,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:21:51,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:21:51,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:21:51,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:21:51,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:21:51,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:21:51,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:21:51,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:21:51,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:21:51,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:21:51,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:21:51,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:21:51,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:21:51,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:21:51,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:21:51,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:21:51,960 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2022-02-19 04:21:52,145 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,SelfDestructingSolverStorable15 [2022-02-19 04:21:52,145 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 04:21:52,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:21:52,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1158942146, now seen corresponding path program 15 times [2022-02-19 04:21:52,145 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:21:52,146 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064023390] [2022-02-19 04:21:52,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:21:52,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:21:52,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:21:54,190 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:54,190 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:21:54,191 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064023390] [2022-02-19 04:21:54,191 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064023390] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:21:54,191 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [247469186] [2022-02-19 04:21:54,191 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 04:21:54,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:21:54,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:21:54,192 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) [2022-02-19 04:21:54,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-02-19 04:21:54,228 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2022-02-19 04:21:54,229 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:21:54,230 WARN L261 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 106 conjunts are in the unsatisfiable core [2022-02-19 04:21:54,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:21:56,842 INFO L353 Elim1Store]: treesize reduction 322, result has 0.3 percent of original size [2022-02-19 04:21:56,842 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 110 treesize of output 50 [2022-02-19 04:21:57,171 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:21:57,172 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:22:01,819 INFO L353 Elim1Store]: treesize reduction 756, result has 45.3 percent of original size [2022-02-19 04:22:01,820 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 157 treesize of output 687 [2022-02-19 04:22:03,099 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:22:03,099 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [247469186] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:22:03,099 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:22:03,099 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 42, 42] total 107 [2022-02-19 04:22:03,099 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182833348] [2022-02-19 04:22:03,099 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:22:03,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 108 states [2022-02-19 04:22:03,100 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:22:03,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2022-02-19 04:22:03,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=409, Invalid=11147, Unknown=0, NotChecked=0, Total=11556 [2022-02-19 04:22:03,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:22:03,102 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:22:03,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 108 states, 108 states have (on average 1.6666666666666667) internal successors, (180), 107 states have internal predecessors, (180), 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) [2022-02-19 04:22:03,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:22:03,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:22:03,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:22:03,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:22:03,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:22:03,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:22:03,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:22:03,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:22:03,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:22:03,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:22:03,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:22:03,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:22:03,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:22:03,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:22:03,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:22:03,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:22:03,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:22:04,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:22:04,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:22:04,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:22:04,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:22:04,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:22:04,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:22:04,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:22:04,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:22:04,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:22:04,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:22:04,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:22:04,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:22:04,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:22:04,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:22:04,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:22:04,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:22:04,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:22:04,582 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-02-19 04:22:04,757 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,SelfDestructingSolverStorable16 [2022-02-19 04:22:04,757 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 04:22:04,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:22:04,758 INFO L85 PathProgramCache]: Analyzing trace with hash -787673889, now seen corresponding path program 16 times [2022-02-19 04:22:04,758 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:22:04,758 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080708784] [2022-02-19 04:22:04,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:22:04,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:22:04,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:22:05,045 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 270 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:22:05,045 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:22:05,046 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080708784] [2022-02-19 04:22:05,046 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080708784] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:22:05,046 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270599955] [2022-02-19 04:22:05,046 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-19 04:22:05,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:22:05,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:22:05,047 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) [2022-02-19 04:22:05,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-02-19 04:22:05,081 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-19 04:22:05,082 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:22:05,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 40 conjunts are in the unsatisfiable core [2022-02-19 04:22:05,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:22:05,257 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-19 04:22:05,268 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 270 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:22:05,268 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:22:05,508 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-02-19 04:22:05,508 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-02-19 04:22:05,605 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 270 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:22:05,606 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1270599955] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:22:05,606 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:22:05,606 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 31 [2022-02-19 04:22:05,606 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876805754] [2022-02-19 04:22:05,606 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:22:05,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-02-19 04:22:05,606 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:22:05,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-02-19 04:22:05,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=921, Unknown=0, NotChecked=0, Total=992 [2022-02-19 04:22:05,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:22:05,607 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:22:05,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 3.78125) internal successors, (121), 31 states have internal predecessors, (121), 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) [2022-02-19 04:22:05,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:22:05,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:22:05,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:22:05,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:22:05,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:22:05,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:22:05,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:22:05,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:22:05,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:22:05,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:22:05,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:22:05,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:22:05,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:22:05,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:22:05,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:22:05,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:22:05,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:22:05,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:22:06,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:22:06,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:22:06,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:22:06,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:22:06,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:22:06,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:22:06,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:22:06,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:22:06,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:22:06,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:22:06,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:22:06,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:22:06,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:22:06,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:22:06,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:22:06,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:22:06,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:22:06,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:22:06,149 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2022-02-19 04:22:06,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-02-19 04:22:06,333 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 04:22:06,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:22:06,333 INFO L85 PathProgramCache]: Analyzing trace with hash 981533282, now seen corresponding path program 17 times [2022-02-19 04:22:06,334 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:22:06,334 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203359293] [2022-02-19 04:22:06,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:22:06,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:22:06,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:22:08,834 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 0 proven. 307 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:22:08,834 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:22:08,834 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203359293] [2022-02-19 04:22:08,834 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203359293] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:22:08,834 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [345328913] [2022-02-19 04:22:08,834 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-19 04:22:08,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:22:08,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:22:08,837 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) [2022-02-19 04:22:08,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-02-19 04:22:08,884 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2022-02-19 04:22:08,885 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:22:08,886 WARN L261 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 116 conjunts are in the unsatisfiable core [2022-02-19 04:22:08,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:22:12,010 INFO L353 Elim1Store]: treesize reduction 416, result has 0.2 percent of original size [2022-02-19 04:22:12,011 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 124 treesize of output 56 [2022-02-19 04:22:12,358 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 0 proven. 307 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:22:12,358 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:22:17,935 INFO L353 Elim1Store]: treesize reduction 976, result has 44.8 percent of original size [2022-02-19 04:22:17,936 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 168 treesize of output 858 [2022-02-19 04:22:19,915 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 0 proven. 307 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:22:19,915 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [345328913] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:22:19,915 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:22:19,915 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 44, 44] total 114 [2022-02-19 04:22:19,915 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297348291] [2022-02-19 04:22:19,915 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:22:19,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2022-02-19 04:22:19,916 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:22:19,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2022-02-19 04:22:19,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=416, Invalid=12694, Unknown=0, NotChecked=0, Total=13110 [2022-02-19 04:22:19,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:22:19,919 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:22:19,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 115 states have (on average 1.7217391304347827) internal successors, (198), 114 states have internal predecessors, (198), 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) [2022-02-19 04:22:19,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:22:19,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:22:19,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:22:19,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:22:19,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:22:19,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:22:19,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:22:19,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:22:19,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:22:19,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:22:19,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:22:19,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:22:19,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:22:19,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:22:19,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:22:19,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:22:19,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:22:19,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:22:19,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:22:22,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:22:22,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:22:22,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:22:22,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:22:22,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:22:22,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:22:22,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:22:22,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:22:22,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:22:22,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:22:22,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:22:22,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:22:22,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:22:22,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:22:22,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:22:22,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:22:22,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:22:22,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:22:22,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:22:22,903 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-02-19 04:22:23,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:22:23,088 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 04:22:23,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:22:23,088 INFO L85 PathProgramCache]: Analyzing trace with hash -675465051, now seen corresponding path program 18 times [2022-02-19 04:22:23,088 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:22:23,088 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272342897] [2022-02-19 04:22:23,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:22:23,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:22:23,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:22:23,376 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:22:23,376 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:22:23,376 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272342897] [2022-02-19 04:22:23,376 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272342897] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:22:23,376 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1945714210] [2022-02-19 04:22:23,376 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-19 04:22:23,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:22:23,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:22:23,377 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) [2022-02-19 04:22:23,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-02-19 04:22:23,435 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2022-02-19 04:22:23,435 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:22:23,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 44 conjunts are in the unsatisfiable core [2022-02-19 04:22:23,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:22:23,664 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 11 treesize of output 7 [2022-02-19 04:22:23,674 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:22:23,674 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:22:23,961 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-02-19 04:22:23,962 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 15 treesize of output 14 [2022-02-19 04:22:24,072 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:22:24,072 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1945714210] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:22:24,072 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:22:24,072 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 34 [2022-02-19 04:22:24,072 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447028579] [2022-02-19 04:22:24,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:22:24,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-02-19 04:22:24,073 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:22:24,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-02-19 04:22:24,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=1112, Unknown=0, NotChecked=0, Total=1190 [2022-02-19 04:22:24,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:22:24,074 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:22:24,074 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 3.7714285714285714) internal successors, (132), 34 states have internal predecessors, (132), 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) [2022-02-19 04:22:24,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:22:24,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:22:24,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:22:24,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:22:24,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:22:24,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:22:24,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:22:24,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:22:24,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:22:24,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:22:24,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:22:24,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:22:24,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:22:24,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:22:24,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:22:24,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:22:24,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:22:24,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:22:24,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:22:24,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:22:24,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:22:24,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:22:24,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:22:24,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:22:24,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:22:24,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:22:24,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:22:24,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:22:24,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:22:24,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:22:24,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:22:24,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:22:24,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:22:24,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:22:24,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:22:24,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:22:24,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:22:24,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:22:24,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:22:24,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:22:24,775 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-02-19 04:22:24,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:22:24,960 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 04:22:24,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:22:24,960 INFO L85 PathProgramCache]: Analyzing trace with hash -771106008, now seen corresponding path program 19 times [2022-02-19 04:22:24,960 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:22:24,960 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505672079] [2022-02-19 04:22:24,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:22:24,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:22:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:22:28,005 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 376 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:22:28,006 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:22:28,006 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505672079] [2022-02-19 04:22:28,006 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505672079] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:22:28,006 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [386461587] [2022-02-19 04:22:28,006 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-19 04:22:28,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:22:28,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:22:28,008 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) [2022-02-19 04:22:28,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-02-19 04:22:28,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:22:28,056 WARN L261 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 130 conjunts are in the unsatisfiable core [2022-02-19 04:22:28,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:22:31,877 INFO L353 Elim1Store]: treesize reduction 540, result has 0.2 percent of original size [2022-02-19 04:22:31,878 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 142 treesize of output 62 [2022-02-19 04:22:32,263 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 376 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:22:32,263 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:22:39,518 INFO L353 Elim1Store]: treesize reduction 1224, result has 44.5 percent of original size [2022-02-19 04:22:39,519 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 0 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 190 case distinctions, treesize of input 186 treesize of output 1052 [2022-02-19 04:22:41,643 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 376 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:22:41,643 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [386461587] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:22:41,643 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:22:41,643 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 48, 48] total 125 [2022-02-19 04:22:41,644 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184025257] [2022-02-19 04:22:41,644 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:22:41,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 126 states [2022-02-19 04:22:41,644 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:22:41,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants. [2022-02-19 04:22:41,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=455, Invalid=15295, Unknown=0, NotChecked=0, Total=15750 [2022-02-19 04:22:41,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:22:41,646 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:22:41,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 126 states, 126 states have (on average 1.7142857142857142) internal successors, (216), 125 states have internal predecessors, (216), 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) [2022-02-19 04:22:41,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:22:41,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:22:41,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:22:41,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:22:41,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:22:41,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:22:41,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:22:41,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:22:41,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:22:41,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:22:41,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:22:41,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:22:41,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:22:41,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:22:41,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:22:41,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:22:41,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:22:41,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:22:41,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:22:41,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:22:41,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:22:45,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:22:45,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:22:45,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:22:45,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:22:45,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:22:45,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:22:45,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:22:45,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:22:45,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:22:45,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:22:45,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:22:45,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:22:45,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:22:45,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:22:45,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:22:45,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:22:45,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:22:45,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:22:45,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:22:45,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:22:45,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:22:45,906 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-02-19 04:22:46,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:22:46,091 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 04:22:46,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:22:46,091 INFO L85 PathProgramCache]: Analyzing trace with hash -927751291, now seen corresponding path program 20 times [2022-02-19 04:22:46,092 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:22:46,092 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474714581] [2022-02-19 04:22:46,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:22:46,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:22:46,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:22:46,472 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 407 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:22:46,472 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:22:46,472 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474714581] [2022-02-19 04:22:46,473 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474714581] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:22:46,473 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2093942573] [2022-02-19 04:22:46,473 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 04:22:46,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:22:46,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:22:46,474 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) [2022-02-19 04:22:46,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-02-19 04:22:46,522 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 04:22:46,523 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:22:46,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 48 conjunts are in the unsatisfiable core [2022-02-19 04:22:46,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:22:46,775 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-19 04:22:46,788 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 407 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:22:46,788 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:22:47,124 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-02-19 04:22:47,124 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-02-19 04:22:47,243 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 407 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:22:47,243 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2093942573] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:22:47,243 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:22:47,244 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 37 [2022-02-19 04:22:47,244 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590104512] [2022-02-19 04:22:47,244 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:22:47,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-02-19 04:22:47,244 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:22:47,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-02-19 04:22:47,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1321, Unknown=0, NotChecked=0, Total=1406 [2022-02-19 04:22:47,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:22:47,245 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:22:47,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 3.763157894736842) internal successors, (143), 37 states have internal predecessors, (143), 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) [2022-02-19 04:22:47,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:22:47,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:22:47,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:22:47,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:22:47,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:22:47,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:22:47,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:22:47,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:22:47,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:22:47,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:22:47,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:22:47,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:22:47,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:22:47,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:22:47,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:22:47,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:22:47,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:22:47,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:22:47,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:22:47,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:22:47,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:22:47,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:22:48,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:22:48,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:22:48,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:22:48,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:22:48,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:22:48,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:22:48,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:22:48,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:22:48,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:22:48,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:22:48,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:22:48,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:22:48,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:22:48,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:22:48,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:22:48,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:22:48,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:22:48,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:22:48,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:22:48,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:22:48,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:22:48,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-19 04:22:48,048 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2022-02-19 04:22:48,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:22:48,233 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 04:22:48,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:22:48,233 INFO L85 PathProgramCache]: Analyzing trace with hash 974116360, now seen corresponding path program 21 times [2022-02-19 04:22:48,233 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:22:48,233 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396223016] [2022-02-19 04:22:48,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:22:48,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:22:48,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:22:51,962 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 0 proven. 452 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:22:51,962 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:22:51,963 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396223016] [2022-02-19 04:22:51,963 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396223016] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:22:51,963 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [928370773] [2022-02-19 04:22:51,963 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 04:22:51,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:22:51,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:22:51,964 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) [2022-02-19 04:22:51,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-02-19 04:22:52,010 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2022-02-19 04:22:52,010 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:22:52,012 WARN L261 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 148 conjunts are in the unsatisfiable core [2022-02-19 04:22:52,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:22:59,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,819 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:22:59,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:22:59,866 INFO L353 Elim1Store]: treesize reduction 101, result has 9.0 percent of original size [2022-02-19 04:22:59,867 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 55 disjoint index pairs (out of 78 index pairs), introduced 12 new quantified variables, introduced 12 case distinctions, treesize of input 152 treesize of output 78 [2022-02-19 04:23:00,730 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 0 proven. 452 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:23:00,731 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:23:11,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,780 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,781 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,782 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,783 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,785 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,786 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,787 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,787 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,788 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,790 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,790 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,790 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,791 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,791 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,791 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,792 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,792 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,792 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,793 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,798 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,800 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,801 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,805 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,805 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,811 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,811 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,811 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,813 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,814 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,814 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,814 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,815 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,815 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,815 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,823 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,823 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,825 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,825 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,826 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,826 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,826 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,827 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,832 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,835 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,836 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,836 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,837 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,839 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,839 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,839 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,840 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,840 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,841 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,846 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,846 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,847 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,847 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,847 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,849 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,849 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,849 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,851 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,858 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,860 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,863 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,864 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,864 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,864 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,865 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,865 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,865 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,869 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,869 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,870 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,872 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,872 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,872 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,874 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,874 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,875 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,875 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,875 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,876 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,877 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,877 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,877 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,878 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,879 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,879 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,881 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,881 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,881 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,881 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,882 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,882 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,883 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,883 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:23:11,883 INFO L244 Elim1Store]: Index analysis took 107 ms [2022-02-19 04:23:12,607 INFO L353 Elim1Store]: treesize reduction 224, result has 74.1 percent of original size [2022-02-19 04:23:12,607 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 155 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 76 case distinctions, treesize of input 216 treesize of output 724 [2022-02-19 04:23:14,134 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 0 proven. 452 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:23:14,134 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [928370773] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:23:14,134 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:23:14,134 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 58, 58] total 155 [2022-02-19 04:23:14,134 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864420688] [2022-02-19 04:23:14,134 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:23:14,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 156 states [2022-02-19 04:23:14,135 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:23:14,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 156 interpolants. [2022-02-19 04:23:14,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2023, Invalid=22157, Unknown=0, NotChecked=0, Total=24180 [2022-02-19 04:23:14,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:23:14,137 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:23:14,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 156 states, 156 states have (on average 1.5961538461538463) internal successors, (249), 155 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 04:23:14,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:23:14,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:23:14,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:23:14,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:23:14,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:23:14,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:23:14,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:23:14,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:23:14,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:23:14,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:23:14,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:23:14,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:23:14,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:23:14,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:23:14,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:23:14,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:23:14,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:23:14,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:23:14,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:23:14,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:23:14,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:23:14,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-19 04:23:14,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:23:17,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:23:17,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:23:17,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:23:17,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:23:17,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:23:17,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:23:17,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:23:17,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:23:17,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:23:17,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:23:17,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:23:17,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:23:17,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:23:17,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:23:17,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:23:17,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:23:17,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:23:17,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:23:17,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:23:17,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:23:17,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:23:17,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-19 04:23:17,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-19 04:23:17,513 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2022-02-19 04:23:17,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:23:17,698 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 04:23:17,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:23:17,698 INFO L85 PathProgramCache]: Analyzing trace with hash -886940917, now seen corresponding path program 22 times [2022-02-19 04:23:17,698 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:23:17,698 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415729964] [2022-02-19 04:23:17,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:23:17,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:23:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:23:18,105 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:23:18,105 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:23:18,105 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415729964] [2022-02-19 04:23:18,105 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415729964] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:23:18,105 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566673561] [2022-02-19 04:23:18,106 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-19 04:23:18,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:23:18,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:23:18,107 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) [2022-02-19 04:23:18,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-02-19 04:23:18,149 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-19 04:23:18,149 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:23:18,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 52 conjunts are in the unsatisfiable core [2022-02-19 04:23:18,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:23:18,372 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-19 04:23:18,388 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:23:18,388 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:23:18,761 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-02-19 04:23:18,761 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-02-19 04:23:18,891 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:23:18,891 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1566673561] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:23:18,891 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:23:18,891 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 40 [2022-02-19 04:23:18,891 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119398913] [2022-02-19 04:23:18,891 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:23:18,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-02-19 04:23:18,892 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:23:18,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-02-19 04:23:18,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=1548, Unknown=0, NotChecked=0, Total=1640 [2022-02-19 04:23:18,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:23:18,892 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:23:18,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 3.7560975609756095) internal successors, (154), 40 states have internal predecessors, (154), 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) [2022-02-19 04:23:18,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:23:18,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:23:18,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:23:18,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:23:18,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:23:18,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:23:18,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:23:18,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:23:18,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:23:18,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:23:18,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:23:18,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:23:18,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:23:18,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:23:18,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:23:18,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:23:18,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:23:18,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:23:18,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:23:18,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:23:18,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:23:18,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-19 04:23:18,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-19 04:23:18,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:23:19,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:23:19,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:23:19,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:23:19,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:23:19,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:23:19,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:23:19,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:23:19,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:23:19,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:23:19,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:23:19,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:23:19,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:23:19,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:23:19,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:23:19,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:23:19,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:23:19,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:23:19,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:23:19,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:23:19,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:23:19,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:23:19,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-19 04:23:19,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-19 04:23:19,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:23:19,829 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2022-02-19 04:23:20,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:23:20,012 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 04:23:20,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:23:20,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1873500814, now seen corresponding path program 23 times [2022-02-19 04:23:20,012 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:23:20,012 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45110760] [2022-02-19 04:23:20,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:23:20,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:23:20,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:23:24,434 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 0 proven. 535 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:23:24,434 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:23:24,434 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45110760] [2022-02-19 04:23:24,434 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45110760] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:23:24,434 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [185811160] [2022-02-19 04:23:24,434 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-19 04:23:24,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:23:24,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:23:24,435 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) [2022-02-19 04:23:24,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-02-19 04:23:24,494 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2022-02-19 04:23:24,494 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:23:24,497 WARN L261 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 152 conjunts are in the unsatisfiable core [2022-02-19 04:23:24,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:23:30,122 INFO L353 Elim1Store]: treesize reduction 770, result has 0.1 percent of original size [2022-02-19 04:23:30,122 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 166 treesize of output 74 [2022-02-19 04:23:30,582 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 0 proven. 535 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:23:30,582 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:23:42,236 INFO L353 Elim1Store]: treesize reduction 1804, result has 44.0 percent of original size [2022-02-19 04:23:42,237 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 0 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 276 case distinctions, treesize of input 222 treesize of output 1500 [2022-02-19 04:23:46,335 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 0 proven. 535 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:23:46,335 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [185811160] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:23:46,335 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:23:46,335 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [68, 56, 56] total 147 [2022-02-19 04:23:46,335 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243062685] [2022-02-19 04:23:46,335 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:23:46,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 148 states [2022-02-19 04:23:46,336 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:23:46,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 148 interpolants. [2022-02-19 04:23:46,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=533, Invalid=21223, Unknown=0, NotChecked=0, Total=21756 [2022-02-19 04:23:46,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:23:46,338 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:23:46,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 148 states, 148 states have (on average 1.7027027027027026) internal successors, (252), 147 states have internal predecessors, (252), 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) [2022-02-19 04:23:46,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:23:46,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:23:46,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:23:46,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:23:46,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:23:46,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:23:46,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:23:46,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:23:46,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:23:46,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:23:46,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:23:46,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:23:46,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:23:46,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:23:46,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:23:46,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:23:46,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:23:46,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:23:46,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:23:46,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:23:46,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:23:46,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-19 04:23:46,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-19 04:23:46,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:23:46,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:23:52,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:23:52,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:23:52,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:23:52,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:23:52,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:23:52,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:23:52,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:23:52,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:23:52,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:23:52,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:23:52,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:23:52,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:23:52,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:23:52,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:23:52,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:23:52,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:23:52,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:23:52,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:23:52,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:23:52,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:23:52,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:23:52,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-19 04:23:52,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-19 04:23:52,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:23:52,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-02-19 04:23:52,247 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2022-02-19 04:23:52,431 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,SelfDestructingSolverStorable24 [2022-02-19 04:23:52,431 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 04:23:52,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:23:52,431 INFO L85 PathProgramCache]: Analyzing trace with hash 441236523, now seen corresponding path program 24 times [2022-02-19 04:23:52,431 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:23:52,432 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754027495] [2022-02-19 04:23:52,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:23:52,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:23:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:23:52,908 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 572 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:23:52,908 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:23:52,909 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754027495] [2022-02-19 04:23:52,909 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754027495] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:23:52,909 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [92890076] [2022-02-19 04:23:52,909 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-19 04:23:52,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:23:52,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:23:52,910 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) [2022-02-19 04:23:52,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-02-19 04:23:52,980 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2022-02-19 04:23:52,981 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:23:52,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 56 conjunts are in the unsatisfiable core [2022-02-19 04:23:52,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:23:53,273 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-19 04:23:53,286 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 572 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:23:53,286 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:23:53,739 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-02-19 04:23:53,739 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-02-19 04:23:53,877 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 572 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:23:53,877 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [92890076] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:23:53,877 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:23:53,877 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 43 [2022-02-19 04:23:53,877 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084720110] [2022-02-19 04:23:53,877 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:23:53,878 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-02-19 04:23:53,878 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:23:53,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-02-19 04:23:53,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=1793, Unknown=0, NotChecked=0, Total=1892 [2022-02-19 04:23:53,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:23:53,879 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:23:53,879 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 3.75) internal successors, (165), 43 states have internal predecessors, (165), 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) [2022-02-19 04:23:53,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:23:53,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:23:53,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:23:53,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:23:53,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:23:53,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:23:53,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:23:53,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:23:53,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:23:53,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:23:53,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:23:53,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:23:53,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:23:53,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:23:53,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:23:53,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:23:53,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:23:53,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:23:53,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:23:53,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:23:53,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:23:53,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-19 04:23:53,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-19 04:23:53,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:23:53,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-02-19 04:23:53,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:23:54,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:23:54,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:23:54,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:23:54,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:23:54,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:23:54,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:23:54,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:23:54,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:23:54,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:23:54,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:23:54,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:23:54,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:23:54,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:23:54,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:23:54,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:23:54,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:23:54,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:23:54,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:23:54,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:23:54,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:23:54,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:23:54,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-19 04:23:54,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-19 04:23:54,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:23:54,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-02-19 04:23:54,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-19 04:23:54,920 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2022-02-19 04:23:55,102 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,SelfDestructingSolverStorable25 [2022-02-19 04:23:55,102 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 04:23:55,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:23:55,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1921002414, now seen corresponding path program 25 times [2022-02-19 04:23:55,103 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:23:55,103 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585234544] [2022-02-19 04:23:55,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:23:55,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:23:55,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:24:00,299 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 0 proven. 625 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:24:00,299 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:24:00,299 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585234544] [2022-02-19 04:24:00,299 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585234544] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:24:00,299 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1988927482] [2022-02-19 04:24:00,299 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-19 04:24:00,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:24:00,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:24:00,301 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) [2022-02-19 04:24:00,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2022-02-19 04:24:00,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:24:00,348 WARN L261 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 166 conjunts are in the unsatisfiable core [2022-02-19 04:24:00,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:24:07,048 INFO L353 Elim1Store]: treesize reduction 936, result has 0.1 percent of original size [2022-02-19 04:24:07,048 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 184 treesize of output 80 [2022-02-19 04:24:07,553 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 0 proven. 625 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:24:07,553 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:24:22,039 WARN L228 SmtUtils]: Spent 5.17s on a formula simplification. DAG size of input: 1365 DAG size of output: 741 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-02-19 04:24:22,044 INFO L353 Elim1Store]: treesize reduction 2136, result has 43.8 percent of original size [2022-02-19 04:24:22,045 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 26 select indices, 26 select index equivalence classes, 0 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 325 case distinctions, treesize of input 240 treesize of output 1754 [2022-02-19 04:24:25,811 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 0 proven. 625 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:24:25,811 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1988927482] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:24:25,811 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:24:25,811 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [73, 60, 60] total 158 [2022-02-19 04:24:25,811 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277714890] [2022-02-19 04:24:25,811 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:24:25,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 159 states [2022-02-19 04:24:25,812 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:24:25,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 159 interpolants. [2022-02-19 04:24:25,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=572, Invalid=24550, Unknown=0, NotChecked=0, Total=25122 [2022-02-19 04:24:25,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:24:25,814 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:24:25,814 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 159 states, 159 states have (on average 1.6981132075471699) internal successors, (270), 158 states have internal predecessors, (270), 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) [2022-02-19 04:24:25,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:24:25,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:24:25,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:24:25,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:24:25,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:24:25,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:24:25,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:24:25,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:24:25,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:24:25,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:24:25,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:24:25,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:24:25,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:24:25,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:24:25,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:24:25,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:24:25,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:24:25,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:24:25,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:24:25,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:24:25,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:24:25,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-19 04:24:25,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-19 04:24:25,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:24:25,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-02-19 04:24:25,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-19 04:24:25,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:24:33,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:24:33,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:24:33,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:24:33,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:24:33,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:24:33,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:24:33,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:24:33,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:24:33,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:24:33,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:24:33,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:24:33,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:24:33,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:24:33,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:24:33,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:24:33,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:24:33,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:24:33,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:24:33,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:24:33,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:24:33,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:24:33,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-19 04:24:33,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-19 04:24:33,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:24:33,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-02-19 04:24:33,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-19 04:24:33,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-02-19 04:24:33,053 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2022-02-19 04:24:33,236 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,SelfDestructingSolverStorable26 [2022-02-19 04:24:33,237 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 04:24:33,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:24:33,237 INFO L85 PathProgramCache]: Analyzing trace with hash -942133391, now seen corresponding path program 26 times [2022-02-19 04:24:33,237 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:24:33,237 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136078330] [2022-02-19 04:24:33,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:24:33,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:24:33,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:24:33,781 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 0 proven. 665 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:24:33,782 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:24:33,782 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136078330] [2022-02-19 04:24:33,782 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136078330] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:24:33,782 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1075863764] [2022-02-19 04:24:33,782 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 04:24:33,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:24:33,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:24:33,784 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) [2022-02-19 04:24:33,792 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2022-02-19 04:24:33,854 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 04:24:33,854 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:24:33,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 60 conjunts are in the unsatisfiable core [2022-02-19 04:24:33,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:24:34,133 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-19 04:24:34,163 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 0 proven. 665 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:24:34,163 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:24:34,636 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-02-19 04:24:34,636 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-02-19 04:24:34,809 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 0 proven. 665 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:24:34,810 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1075863764] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:24:34,810 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:24:34,810 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 46 [2022-02-19 04:24:34,810 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951182497] [2022-02-19 04:24:34,810 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:24:34,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2022-02-19 04:24:34,811 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:24:34,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2022-02-19 04:24:34,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=2056, Unknown=0, NotChecked=0, Total=2162 [2022-02-19 04:24:34,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:24:34,811 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:24:34,812 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 3.74468085106383) internal successors, (176), 46 states have internal predecessors, (176), 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) [2022-02-19 04:24:34,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:24:34,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:24:34,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:24:34,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:24:34,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:24:34,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:24:34,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:24:34,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:24:34,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:24:34,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:24:34,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:24:34,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:24:34,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:24:34,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:24:34,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:24:34,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:24:34,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:24:34,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:24:34,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:24:34,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:24:34,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:24:34,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-19 04:24:34,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-19 04:24:34,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:24:34,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-02-19 04:24:34,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-19 04:24:34,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-02-19 04:24:34,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:24:35,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:24:35,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:24:35,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:24:35,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:24:35,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:24:35,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:24:35,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:24:35,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:24:35,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:24:35,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:24:35,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:24:35,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:24:35,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:24:35,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:24:35,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:24:35,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:24:35,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:24:35,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:24:35,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:24:35,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:24:35,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:24:35,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-19 04:24:35,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-19 04:24:35,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:24:35,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-02-19 04:24:35,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-19 04:24:35,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-02-19 04:24:35,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-19 04:24:35,982 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2022-02-19 04:24:36,165 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,SelfDestructingSolverStorable27 [2022-02-19 04:24:36,166 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 04:24:36,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:24:36,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1158378508, now seen corresponding path program 27 times [2022-02-19 04:24:36,166 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:24:36,166 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277646915] [2022-02-19 04:24:36,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:24:36,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:24:36,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:24:42,108 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 0 proven. 722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:24:42,108 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:24:42,108 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277646915] [2022-02-19 04:24:42,108 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277646915] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:24:42,108 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502843253] [2022-02-19 04:24:42,109 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 04:24:42,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:24:42,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:24:42,110 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) [2022-02-19 04:24:42,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2022-02-19 04:24:42,167 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2022-02-19 04:24:42,167 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:24:42,170 WARN L261 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 180 conjunts are in the unsatisfiable core [2022-02-19 04:24:42,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:24:54,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,078 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:24:54,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:24:54,137 INFO L353 Elim1Store]: treesize reduction 131, result has 7.1 percent of original size [2022-02-19 04:24:54,137 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 91 disjoint index pairs (out of 120 index pairs), introduced 15 new quantified variables, introduced 15 case distinctions, treesize of input 194 treesize of output 96 [2022-02-19 04:24:55,036 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 0 proven. 722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:24:55,036 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:25:10,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,949 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,949 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,955 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,955 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,955 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,956 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,958 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,958 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,958 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,963 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,964 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,965 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,966 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,966 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,968 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,971 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,971 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,971 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,972 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,972 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,972 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,972 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,974 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,974 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,974 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,975 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,975 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,976 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,977 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,977 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,981 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,983 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,983 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,984 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,984 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,985 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,985 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,986 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,986 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,987 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,987 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,987 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,988 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,991 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,994 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,994 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,995 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,995 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,996 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,997 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,997 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:10,997 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,000 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,001 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,002 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,003 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,003 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,004 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,005 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,005 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,006 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,006 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,006 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,007 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,007 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,007 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,008 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,008 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,008 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,009 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,009 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,009 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,009 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,010 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,010 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,010 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,013 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,014 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,015 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,016 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,016 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,017 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,018 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,018 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,018 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,019 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,020 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,022 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,024 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,025 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,025 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,026 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,026 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,026 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,027 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,027 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,028 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,030 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,032 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,033 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,033 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,033 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,034 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,034 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,034 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,035 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,035 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,035 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,036 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,036 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,037 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,038 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,040 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,040 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,040 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,041 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,041 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,042 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,044 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,046 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,047 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,047 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,048 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,048 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,049 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,049 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,050 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,050 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,050 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,050 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,051 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,051 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,051 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,052 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,052 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,052 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,053 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,053 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,053 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,055 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,056 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,057 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,059 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,059 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,059 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,059 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,060 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,060 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,060 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,064 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,064 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,064 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,064 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,065 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,065 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,065 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,066 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,066 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,066 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,067 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,067 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,069 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,069 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,069 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,071 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,071 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,071 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,072 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,073 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,074 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,075 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,076 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,078 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,078 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,078 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,080 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,080 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,080 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,081 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,081 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,084 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,084 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,086 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,087 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:25:11,098 INFO L244 Elim1Store]: Index analysis took 152 ms [2022-02-19 04:25:12,578 INFO L353 Elim1Store]: treesize reduction 332, result has 75.5 percent of original size [2022-02-19 04:25:12,578 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 260 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 118 case distinctions, treesize of input 256 treesize of output 1120 [2022-02-19 04:25:14,736 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 0 proven. 722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:25:14,736 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [502843253] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:25:14,736 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:25:14,736 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [78, 66, 66] total 180 [2022-02-19 04:25:14,736 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604984535] [2022-02-19 04:25:14,736 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:25:14,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 181 states [2022-02-19 04:25:14,737 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:25:14,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2022-02-19 04:25:14,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2554, Invalid=30026, Unknown=0, NotChecked=0, Total=32580 [2022-02-19 04:25:14,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:25:14,740 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:25:14,740 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 181 states, 181 states have (on average 1.6740331491712708) internal successors, (303), 180 states have internal predecessors, (303), 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) [2022-02-19 04:25:14,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:25:14,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:25:14,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:25:14,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:25:14,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:25:14,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:25:14,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:25:14,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:25:14,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:25:14,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:25:14,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:25:14,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:25:14,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:25:14,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:25:14,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:25:14,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:25:14,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:25:14,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:25:14,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:25:14,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:25:14,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:25:14,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-19 04:25:14,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-19 04:25:14,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:25:14,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-02-19 04:25:14,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-19 04:25:14,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-02-19 04:25:14,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-19 04:25:14,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:25:18,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:25:18,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:25:18,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:25:18,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:25:18,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:25:18,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:25:18,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:25:18,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:25:18,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:25:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:25:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:25:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:25:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:25:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:25:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:25:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:25:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:25:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:25:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:25:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:25:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:25:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-19 04:25:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-19 04:25:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:25:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-02-19 04:25:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-19 04:25:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-02-19 04:25:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-19 04:25:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-19 04:25:18,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2022-02-19 04:25:18,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-02-19 04:25:18,405 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 04:25:18,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:25:18,405 INFO L85 PathProgramCache]: Analyzing trace with hash -156739887, now seen corresponding path program 28 times [2022-02-19 04:25:18,406 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:25:18,406 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892421686] [2022-02-19 04:25:18,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:25:18,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:25:18,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:25:19,008 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 0 proven. 765 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:25:19,009 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:25:19,009 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892421686] [2022-02-19 04:25:19,009 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892421686] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:25:19,009 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1666283434] [2022-02-19 04:25:19,009 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-19 04:25:19,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:25:19,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:25:19,010 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) [2022-02-19 04:25:19,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2022-02-19 04:25:19,056 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-19 04:25:19,056 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:25:19,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 64 conjunts are in the unsatisfiable core [2022-02-19 04:25:19,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:25:19,341 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-19 04:25:19,372 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 0 proven. 765 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:25:19,372 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:25:19,900 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-02-19 04:25:19,901 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-02-19 04:25:20,092 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 0 proven. 765 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:25:20,092 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1666283434] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:25:20,092 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:25:20,092 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 49 [2022-02-19 04:25:20,093 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079272116] [2022-02-19 04:25:20,093 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:25:20,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-02-19 04:25:20,093 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:25:20,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-02-19 04:25:20,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=2337, Unknown=0, NotChecked=0, Total=2450 [2022-02-19 04:25:20,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:25:20,094 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:25:20,094 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 3.74) internal successors, (187), 49 states have internal predecessors, (187), 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) [2022-02-19 04:25:20,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:25:20,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:25:20,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:25:20,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:25:20,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:25:20,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:25:20,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:25:20,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:25:20,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:25:20,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:25:20,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:25:20,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:25:20,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:25:20,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:25:20,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:25:20,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:25:20,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:25:20,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:25:20,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:25:20,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:25:20,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:25:20,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-19 04:25:20,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-19 04:25:20,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:25:20,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-02-19 04:25:20,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-19 04:25:20,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-02-19 04:25:20,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-19 04:25:20,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-19 04:25:20,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:25:21,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:25:21,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:25:21,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:25:21,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:25:21,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:25:21,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:25:21,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:25:21,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:25:21,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:25:21,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:25:21,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:25:21,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:25:21,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:25:21,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:25:21,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:25:21,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:25:21,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:25:21,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:25:21,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:25:21,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:25:21,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:25:21,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-19 04:25:21,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-19 04:25:21,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:25:21,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-02-19 04:25:21,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-19 04:25:21,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-02-19 04:25:21,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-19 04:25:21,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-19 04:25:21,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:25:21,438 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2022-02-19 04:25:21,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:25:21,618 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 04:25:21,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:25:21,619 INFO L85 PathProgramCache]: Analyzing trace with hash 748815188, now seen corresponding path program 29 times [2022-02-19 04:25:21,619 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:25:21,619 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940583512] [2022-02-19 04:25:21,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:25:21,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:25:21,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:25:28,313 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 0 proven. 826 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:25:28,313 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:25:28,313 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940583512] [2022-02-19 04:25:28,314 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940583512] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:25:28,314 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1589580205] [2022-02-19 04:25:28,314 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-19 04:25:28,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:25:28,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:25:28,315 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) [2022-02-19 04:25:28,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2022-02-19 04:25:28,373 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2022-02-19 04:25:28,373 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:25:28,376 WARN L261 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 188 conjunts are in the unsatisfiable core [2022-02-19 04:25:28,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:25:37,452 INFO L353 Elim1Store]: treesize reduction 1232, result has 0.1 percent of original size [2022-02-19 04:25:37,452 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 208 treesize of output 92 [2022-02-19 04:25:38,030 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 0 proven. 826 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:25:38,030 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:25:59,592 WARN L228 SmtUtils]: Spent 8.72s on a formula simplification. DAG size of input: 1815 DAG size of output: 975 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-02-19 04:25:59,594 INFO L353 Elim1Store]: treesize reduction 2884, result has 43.5 percent of original size [2022-02-19 04:25:59,595 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 30 select indices, 30 select index equivalence classes, 0 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 435 case distinctions, treesize of input 276 treesize of output 2322 [2022-02-19 04:26:06,952 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 0 proven. 826 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:26:06,952 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1589580205] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:26:06,952 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:26:06,952 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [83, 68, 68] total 180 [2022-02-19 04:26:06,952 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392419761] [2022-02-19 04:26:06,952 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:26:06,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 181 states [2022-02-19 04:26:06,953 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:26:06,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2022-02-19 04:26:06,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=650, Invalid=31930, Unknown=0, NotChecked=0, Total=32580 [2022-02-19 04:26:06,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:26:06,955 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:26:06,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 181 states, 181 states have (on average 1.6906077348066297) internal successors, (306), 180 states have internal predecessors, (306), 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) [2022-02-19 04:26:06,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:26:06,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:26:06,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:26:06,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:26:06,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:26:06,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:26:06,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:26:06,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:26:06,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:26:06,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:26:06,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:26:06,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:26:06,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:26:06,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:26:06,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:26:06,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:26:06,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:26:06,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:26:06,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:26:06,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:26:06,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:26:06,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-19 04:26:06,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-19 04:26:06,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:26:06,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-02-19 04:26:06,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-19 04:26:06,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-02-19 04:26:06,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-19 04:26:06,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-19 04:26:06,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:26:06,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:26:16,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:26:16,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:26:16,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:26:16,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:26:16,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:26:16,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:26:16,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:26:16,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:26:16,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:26:16,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:26:16,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:26:16,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:26:16,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:26:16,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:26:16,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:26:16,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:26:16,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:26:16,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:26:16,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:26:16,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:26:16,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:26:16,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-19 04:26:16,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-19 04:26:16,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:26:16,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-02-19 04:26:16,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-19 04:26:16,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-02-19 04:26:16,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-19 04:26:16,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-19 04:26:16,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:26:16,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-02-19 04:26:16,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2022-02-19 04:26:16,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:26:16,751 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 04:26:16,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:26:16,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1281013207, now seen corresponding path program 30 times [2022-02-19 04:26:16,752 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:26:16,752 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389888862] [2022-02-19 04:26:16,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:26:16,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:26:16,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:26:17,425 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 0 proven. 872 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:26:17,426 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:26:17,426 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389888862] [2022-02-19 04:26:17,426 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389888862] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:26:17,426 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1376145989] [2022-02-19 04:26:17,426 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-19 04:26:17,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:26:17,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:26:17,427 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) [2022-02-19 04:26:17,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2022-02-19 04:26:17,496 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2022-02-19 04:26:17,496 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:26:17,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 68 conjunts are in the unsatisfiable core [2022-02-19 04:26:17,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:26:17,812 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-19 04:26:17,823 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 0 proven. 872 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:26:17,823 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:26:18,413 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-02-19 04:26:18,414 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-02-19 04:26:18,585 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 0 proven. 872 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:26:18,585 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1376145989] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:26:18,585 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:26:18,586 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35, 35] total 52 [2022-02-19 04:26:18,586 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009707713] [2022-02-19 04:26:18,586 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:26:18,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2022-02-19 04:26:18,586 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:26:18,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-02-19 04:26:18,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=2636, Unknown=0, NotChecked=0, Total=2756 [2022-02-19 04:26:18,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:26:18,587 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:26:18,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 3.7358490566037736) internal successors, (198), 52 states have internal predecessors, (198), 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) [2022-02-19 04:26:18,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:26:18,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:26:18,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:26:18,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:26:18,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:26:18,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:26:18,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:26:18,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:26:18,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:26:18,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:26:18,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:26:18,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:26:18,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:26:18,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:26:18,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:26:18,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:26:18,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:26:18,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:26:18,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:26:18,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:26:18,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:26:18,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-19 04:26:18,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-19 04:26:18,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:26:18,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-02-19 04:26:18,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-19 04:26:18,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-02-19 04:26:18,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-19 04:26:18,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-19 04:26:18,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:26:18,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-02-19 04:26:18,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:26:20,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:26:20,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:26:20,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:26:20,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:26:20,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:26:20,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:26:20,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:26:20,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:26:20,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:26:20,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:26:20,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:26:20,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:26:20,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:26:20,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:26:20,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:26:20,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:26:20,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:26:20,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:26:20,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:26:20,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:26:20,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:26:20,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-19 04:26:20,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-19 04:26:20,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:26:20,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-02-19 04:26:20,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-19 04:26:20,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-02-19 04:26:20,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-19 04:26:20,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-19 04:26:20,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:26:20,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-02-19 04:26:20,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-19 04:26:20,103 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2022-02-19 04:26:20,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:26:20,287 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 04:26:20,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:26:20,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1805553830, now seen corresponding path program 31 times [2022-02-19 04:26:20,288 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:26:20,288 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779087130] [2022-02-19 04:26:20,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:26:20,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:26:20,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:26:27,958 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 0 proven. 937 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:26:27,958 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:26:27,958 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779087130] [2022-02-19 04:26:27,958 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779087130] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:26:27,958 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1425249341] [2022-02-19 04:26:27,958 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-19 04:26:27,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:26:27,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:26:27,959 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) [2022-02-19 04:26:27,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2022-02-19 04:26:28,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:26:28,023 WARN L261 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 202 conjunts are in the unsatisfiable core [2022-02-19 04:26:28,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:26:38,510 INFO L353 Elim1Store]: treesize reduction 1440, result has 0.1 percent of original size [2022-02-19 04:26:38,510 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 226 treesize of output 98 [2022-02-19 04:26:39,128 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 0 proven. 937 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:26:39,128 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:27:05,238 WARN L228 SmtUtils]: Spent 11.22s on a formula simplification. DAG size of input: 2064 DAG size of output: 1104 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-02-19 04:27:05,240 INFO L353 Elim1Store]: treesize reduction 3300, result has 43.4 percent of original size [2022-02-19 04:27:05,241 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 32 select indices, 32 select index equivalence classes, 0 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 496 case distinctions, treesize of input 294 treesize of output 2636 [2022-02-19 04:27:17,712 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 0 proven. 937 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:27:17,713 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1425249341] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:27:17,713 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:27:17,713 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [88, 72, 72] total 191 [2022-02-19 04:27:17,713 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098129387] [2022-02-19 04:27:17,713 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:27:17,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2022-02-19 04:27:17,714 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:27:17,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2022-02-19 04:27:17,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=689, Invalid=35983, Unknown=0, NotChecked=0, Total=36672 [2022-02-19 04:27:17,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:27:17,716 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:27:17,717 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 192 states have (on average 1.6875) internal successors, (324), 191 states have internal predecessors, (324), 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) [2022-02-19 04:27:17,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:27:17,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:27:17,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:27:17,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:27:17,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:27:17,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:27:17,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:27:17,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:27:17,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:27:17,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:27:17,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:27:17,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:27:17,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:27:17,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:27:17,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:27:17,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:27:17,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:27:17,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:27:17,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:27:17,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:27:17,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:27:17,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-19 04:27:17,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-19 04:27:17,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:27:17,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-02-19 04:27:17,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-19 04:27:17,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-02-19 04:27:17,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-19 04:27:17,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-19 04:27:17,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:27:17,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-02-19 04:27:17,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-19 04:27:17,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:27:28,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:27:28,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:27:28,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:27:28,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:27:28,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:27:28,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:27:28,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:27:28,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:27:28,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:27:28,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:27:28,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:27:28,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:27:28,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:27:28,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:27:28,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:27:28,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:27:28,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:27:28,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:27:28,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:27:28,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:27:28,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:27:28,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-19 04:27:28,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-19 04:27:28,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:27:28,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-02-19 04:27:28,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-19 04:27:28,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-02-19 04:27:28,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-19 04:27:28,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-19 04:27:28,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:27:28,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-02-19 04:27:28,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-19 04:27:28,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-02-19 04:27:28,101 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2022-02-19 04:27:28,285 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,SelfDestructingSolverStorable32 [2022-02-19 04:27:28,286 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 04:27:28,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:27:28,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1894354057, now seen corresponding path program 32 times [2022-02-19 04:27:28,286 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:27:28,287 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000334262] [2022-02-19 04:27:28,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:27:28,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:27:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:27:28,954 INFO L134 CoverageAnalysis]: Checked inductivity of 986 backedges. 0 proven. 986 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:27:28,954 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:27:28,954 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000334262] [2022-02-19 04:27:28,954 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000334262] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:27:28,954 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303575920] [2022-02-19 04:27:28,954 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 04:27:28,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:27:28,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:27:28,959 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) [2022-02-19 04:27:28,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2022-02-19 04:27:29,016 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 04:27:29,016 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:27:29,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 72 conjunts are in the unsatisfiable core [2022-02-19 04:27:29,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:27:29,358 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-19 04:27:29,368 INFO L134 CoverageAnalysis]: Checked inductivity of 986 backedges. 0 proven. 986 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:27:29,368 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:27:30,012 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-02-19 04:27:30,013 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-02-19 04:27:30,195 INFO L134 CoverageAnalysis]: Checked inductivity of 986 backedges. 0 proven. 986 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:27:30,195 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1303575920] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:27:30,195 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:27:30,195 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 37] total 55 [2022-02-19 04:27:30,195 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146752060] [2022-02-19 04:27:30,195 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:27:30,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2022-02-19 04:27:30,196 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:27:30,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2022-02-19 04:27:30,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=2953, Unknown=0, NotChecked=0, Total=3080 [2022-02-19 04:27:30,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:27:30,197 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:27:30,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 3.732142857142857) internal successors, (209), 55 states have internal predecessors, (209), 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) [2022-02-19 04:27:30,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:27:30,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:27:30,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:27:30,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:27:30,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:27:30,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:27:30,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:27:30,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:27:30,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:27:30,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:27:30,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:27:30,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:27:30,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:27:30,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:27:30,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:27:30,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:27:30,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:27:30,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:27:30,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:27:30,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:27:30,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:27:30,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-19 04:27:30,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-19 04:27:30,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:27:30,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-02-19 04:27:30,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-19 04:27:30,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-02-19 04:27:30,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-19 04:27:30,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-19 04:27:30,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:27:30,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-02-19 04:27:30,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-19 04:27:30,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-02-19 04:27:30,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:27:31,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:27:31,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:27:31,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:27:31,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:27:31,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:27:31,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:27:31,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:27:31,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:27:31,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:27:31,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:27:31,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:27:31,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:27:31,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:27:31,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:27:31,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:27:31,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:27:31,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:27:31,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:27:31,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:27:31,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:27:31,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:27:31,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-19 04:27:31,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-19 04:27:31,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:27:31,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-02-19 04:27:31,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-19 04:27:31,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-02-19 04:27:31,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-19 04:27:31,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-19 04:27:31,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:27:31,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-02-19 04:27:31,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-19 04:27:31,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-02-19 04:27:31,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-19 04:27:31,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2022-02-19 04:27:32,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:27:32,051 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 04:27:32,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:27:32,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1908759802, now seen corresponding path program 33 times [2022-02-19 04:27:32,052 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:27:32,052 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035885177] [2022-02-19 04:27:32,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:27:32,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:27:32,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:27:40,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1055 backedges. 0 proven. 1055 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:27:40,741 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:27:40,741 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035885177] [2022-02-19 04:27:40,741 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035885177] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:27:40,741 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [6858654] [2022-02-19 04:27:40,741 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 04:27:40,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:27:40,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:27:40,744 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) [2022-02-19 04:27:40,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2022-02-19 04:27:40,804 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2022-02-19 04:27:40,804 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:27:40,807 WARN L261 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 212 conjunts are in the unsatisfiable core [2022-02-19 04:27:40,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:27:52,795 INFO L353 Elim1Store]: treesize reduction 1600, result has 0.1 percent of original size [2022-02-19 04:27:52,796 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 0 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 136 case distinctions, treesize of input 236 treesize of output 104 [2022-02-19 04:27:53,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1055 backedges. 0 proven. 1055 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:27:53,454 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:28:24,705 WARN L228 SmtUtils]: Spent 14.04s on a formula simplification. DAG size of input: 2329 DAG size of output: 1241 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-02-19 04:28:24,708 INFO L353 Elim1Store]: treesize reduction 3744, result has 43.3 percent of original size [2022-02-19 04:28:24,709 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 0 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 561 case distinctions, treesize of input 312 treesize of output 2970 [2022-02-19 04:28:36,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1055 backedges. 0 proven. 1055 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:28:36,564 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [6858654] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:28:36,565 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:28:36,565 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [93, 76, 76] total 202 [2022-02-19 04:28:36,565 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783620541] [2022-02-19 04:28:36,565 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:28:36,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 203 states [2022-02-19 04:28:36,566 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:28:36,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 203 interpolants. [2022-02-19 04:28:36,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=728, Invalid=40278, Unknown=0, NotChecked=0, Total=41006 [2022-02-19 04:28:36,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:28:36,569 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:28:36,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 203 states, 203 states have (on average 1.6847290640394088) internal successors, (342), 202 states have internal predecessors, (342), 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) [2022-02-19 04:28:36,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:28:36,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:28:36,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:28:36,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:28:36,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:28:36,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:28:36,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:28:36,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:28:36,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:28:36,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:28:36,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:28:36,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:28:36,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:28:36,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:28:36,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:28:36,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:28:36,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:28:36,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:28:36,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:28:36,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:28:36,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:28:36,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-19 04:28:36,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-19 04:28:36,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:28:36,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-02-19 04:28:36,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-19 04:28:36,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-02-19 04:28:36,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-19 04:28:36,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-19 04:28:36,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:28:36,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-02-19 04:28:36,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-19 04:28:36,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-02-19 04:28:36,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-19 04:28:36,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:28:50,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:28:50,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:28:50,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:28:50,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:28:50,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:28:50,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:28:50,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:28:50,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:28:50,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:28:50,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:28:50,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:28:50,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:28:50,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:28:50,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:28:50,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:28:50,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:28:50,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:28:50,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:28:50,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:28:50,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:28:50,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:28:50,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-19 04:28:50,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-19 04:28:50,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:28:50,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-02-19 04:28:50,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-19 04:28:50,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-02-19 04:28:50,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-19 04:28:50,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-19 04:28:50,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:28:50,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-02-19 04:28:50,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-19 04:28:50,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-02-19 04:28:50,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-19 04:28:50,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-02-19 04:28:50,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2022-02-19 04:28:50,522 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,SelfDestructingSolverStorable34 [2022-02-19 04:28:50,523 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 04:28:50,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:28:50,523 INFO L85 PathProgramCache]: Analyzing trace with hash 983952957, now seen corresponding path program 34 times [2022-02-19 04:28:50,523 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:28:50,523 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834889439] [2022-02-19 04:28:50,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:28:50,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:28:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:28:51,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 1107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:28:51,260 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:28:51,260 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834889439] [2022-02-19 04:28:51,261 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834889439] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:28:51,261 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118012351] [2022-02-19 04:28:51,261 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-19 04:28:51,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:28:51,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:28:51,262 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) [2022-02-19 04:28:51,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2022-02-19 04:28:51,316 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-19 04:28:51,316 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:28:51,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 76 conjunts are in the unsatisfiable core [2022-02-19 04:28:51,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:28:51,653 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-19 04:28:51,663 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 1107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:28:51,663 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:28:52,376 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-02-19 04:28:52,376 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 15 treesize of output 14 [2022-02-19 04:28:52,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 1107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:28:52,572 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1118012351] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:28:52,572 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:28:52,572 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39, 39] total 58 [2022-02-19 04:28:52,572 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857951402] [2022-02-19 04:28:52,573 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:28:52,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2022-02-19 04:28:52,573 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:28:52,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2022-02-19 04:28:52,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=3288, Unknown=0, NotChecked=0, Total=3422 [2022-02-19 04:28:52,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:28:52,574 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:28:52,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 3.7288135593220337) internal successors, (220), 58 states have internal predecessors, (220), 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) [2022-02-19 04:28:52,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:28:52,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:28:52,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:28:52,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:28:52,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:28:52,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:28:52,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:28:52,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:28:52,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:28:52,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:28:52,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:28:52,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:28:52,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:28:52,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:28:52,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:28:52,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:28:52,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:28:52,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:28:52,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:28:52,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:28:52,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:28:52,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-19 04:28:52,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-19 04:28:52,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:28:52,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-02-19 04:28:52,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-19 04:28:52,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-02-19 04:28:52,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-19 04:28:52,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-19 04:28:52,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:28:52,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-02-19 04:28:52,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-19 04:28:52,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-02-19 04:28:52,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-19 04:28:52,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-02-19 04:28:52,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:28:54,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:28:54,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:28:54,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:28:54,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:28:54,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:28:54,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:28:54,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:28:54,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:28:54,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:28:54,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:28:54,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:28:54,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:28:54,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:28:54,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:28:54,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:28:54,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:28:54,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:28:54,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:28:54,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:28:54,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:28:54,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:28:54,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-19 04:28:54,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-19 04:28:54,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:28:54,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-02-19 04:28:54,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-19 04:28:54,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-02-19 04:28:54,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-19 04:28:54,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-19 04:28:54,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:28:54,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-02-19 04:28:54,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-19 04:28:54,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-02-19 04:28:54,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-19 04:28:54,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-02-19 04:28:54,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-19 04:28:54,438 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2022-02-19 04:28:54,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:28:54,623 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 04:28:54,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:28:54,624 INFO L85 PathProgramCache]: Analyzing trace with hash 2146305216, now seen corresponding path program 35 times [2022-02-19 04:28:54,624 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:28:54,624 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136856762] [2022-02-19 04:28:54,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:28:54,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:28:54,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:29:04,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1180 backedges. 0 proven. 1180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:29:04,290 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:29:04,290 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136856762] [2022-02-19 04:29:04,290 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136856762] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:29:04,290 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1871950451] [2022-02-19 04:29:04,290 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-19 04:29:04,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:29:04,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:29:04,291 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) [2022-02-19 04:29:04,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2022-02-19 04:29:04,349 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) [2022-02-19 04:29:04,349 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:29:04,352 WARN L261 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 224 conjunts are in the unsatisfiable core [2022-02-19 04:29:04,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:29:17,900 INFO L353 Elim1Store]: treesize reduction 1802, result has 0.1 percent of original size [2022-02-19 04:29:17,900 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 250 treesize of output 110 [2022-02-19 04:29:18,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1180 backedges. 0 proven. 1180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:29:18,608 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:29:55,589 WARN L228 SmtUtils]: Spent 17.33s on a formula simplification. DAG size of input: 2610 DAG size of output: 1386 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-02-19 04:29:55,592 INFO L353 Elim1Store]: treesize reduction 4216, result has 43.2 percent of original size [2022-02-19 04:29:55,593 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 36 select indices, 36 select index equivalence classes, 0 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 630 case distinctions, treesize of input 330 treesize of output 3324 [2022-02-19 04:30:12,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1180 backedges. 0 proven. 1180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:30:12,184 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1871950451] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:30:12,185 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:30:12,185 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [98, 80, 80] total 213 [2022-02-19 04:30:12,185 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203906443] [2022-02-19 04:30:12,185 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:30:12,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 214 states [2022-02-19 04:30:12,185 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:30:12,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 214 interpolants. [2022-02-19 04:30:12,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=767, Invalid=44815, Unknown=0, NotChecked=0, Total=45582 [2022-02-19 04:30:12,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:30:12,188 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:30:12,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 214 states, 214 states have (on average 1.6822429906542056) internal successors, (360), 213 states have internal predecessors, (360), 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) [2022-02-19 04:30:12,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:30:12,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:30:12,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:30:12,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:30:12,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:30:12,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:30:12,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:30:12,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:30:12,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:30:12,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:30:12,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:30:12,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:30:12,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:30:12,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:30:12,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:30:12,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:30:12,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:30:12,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:30:12,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:30:12,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:30:12,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:30:12,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-19 04:30:12,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-19 04:30:12,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:30:12,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-02-19 04:30:12,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-19 04:30:12,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-02-19 04:30:12,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-19 04:30:12,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-19 04:30:12,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:30:12,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-02-19 04:30:12,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-19 04:30:12,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-02-19 04:30:12,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-19 04:30:12,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-02-19 04:30:12,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-02-19 04:30:12,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:30:27,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:30:27,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:30:27,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:30:27,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:30:27,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:30:27,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:30:27,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:30:27,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:30:27,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:30:27,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:30:27,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:30:27,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:30:27,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:30:27,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:30:27,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:30:27,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:30:27,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:30:27,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:30:27,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:30:27,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:30:27,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:30:27,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-19 04:30:27,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-19 04:30:27,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:30:27,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-02-19 04:30:27,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-19 04:30:27,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-02-19 04:30:27,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-19 04:30:27,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-19 04:30:27,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:30:27,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-02-19 04:30:27,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-19 04:30:27,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-02-19 04:30:27,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-19 04:30:27,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-02-19 04:30:27,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-19 04:30:27,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-02-19 04:30:27,384 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2022-02-19 04:30:27,566 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,SelfDestructingSolverStorable36 [2022-02-19 04:30:27,566 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 04:30:27,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:30:27,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1251536355, now seen corresponding path program 36 times [2022-02-19 04:30:27,567 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:30:27,567 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940252463] [2022-02-19 04:30:27,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:30:27,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:30:27,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:30:28,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1235 backedges. 0 proven. 1235 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:30:28,359 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:30:28,359 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940252463] [2022-02-19 04:30:28,359 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940252463] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:30:28,359 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [650922535] [2022-02-19 04:30:28,359 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-19 04:30:28,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:30:28,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:30:28,361 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) [2022-02-19 04:30:28,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2022-02-19 04:30:28,424 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2022-02-19 04:30:28,424 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:30:28,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 82 conjunts are in the unsatisfiable core [2022-02-19 04:30:28,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:30:28,775 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-19 04:30:28,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1235 backedges. 0 proven. 1235 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:30:28,785 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:30:29,557 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-02-19 04:30:29,557 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-02-19 04:30:29,758 INFO L134 CoverageAnalysis]: Checked inductivity of 1235 backedges. 0 proven. 1235 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:30:29,758 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [650922535] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:30:29,758 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:30:29,759 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41, 41] total 61 [2022-02-19 04:30:29,759 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95598888] [2022-02-19 04:30:29,759 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:30:29,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2022-02-19 04:30:29,759 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:30:29,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2022-02-19 04:30:29,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=3641, Unknown=0, NotChecked=0, Total=3782 [2022-02-19 04:30:29,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:30:29,760 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:30:29,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 3.725806451612903) internal successors, (231), 61 states have internal predecessors, (231), 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) [2022-02-19 04:30:29,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:30:29,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:30:29,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:30:29,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:30:29,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:30:29,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:30:29,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:30:29,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:30:29,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:30:29,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:30:29,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:30:29,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:30:29,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:30:29,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:30:29,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:30:29,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:30:29,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:30:29,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:30:29,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:30:29,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:30:29,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:30:29,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-19 04:30:29,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-19 04:30:29,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:30:29,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-02-19 04:30:29,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-19 04:30:29,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-02-19 04:30:29,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-19 04:30:29,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-19 04:30:29,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:30:29,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-02-19 04:30:29,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-19 04:30:29,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-02-19 04:30:29,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-19 04:30:29,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-02-19 04:30:29,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-02-19 04:30:29,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-02-19 04:30:29,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:30:31,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:30:31,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:30:31,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:30:31,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:30:31,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:30:31,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:30:31,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:30:31,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:30:31,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:30:31,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:30:31,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:30:31,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:30:31,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:30:31,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:30:31,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:30:31,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:30:31,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:30:31,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:30:31,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:30:31,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:30:31,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:30:31,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-19 04:30:31,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-19 04:30:31,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:30:31,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-02-19 04:30:31,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-19 04:30:31,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-02-19 04:30:31,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-19 04:30:31,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-19 04:30:31,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:30:31,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-02-19 04:30:31,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-19 04:30:31,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-02-19 04:30:31,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-19 04:30:31,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-02-19 04:30:31,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-19 04:30:31,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-02-19 04:30:31,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-19 04:30:31,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2022-02-19 04:30:32,055 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,SelfDestructingSolverStorable37 [2022-02-19 04:30:32,055 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 04:30:32,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:30:32,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1413859168, now seen corresponding path program 37 times [2022-02-19 04:30:32,055 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:30:32,055 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950917867] [2022-02-19 04:30:32,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:30:32,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:30:32,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:30:43,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1312 backedges. 0 proven. 1312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:30:43,023 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:30:43,023 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950917867] [2022-02-19 04:30:43,023 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950917867] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:30:43,023 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1030545893] [2022-02-19 04:30:43,023 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-19 04:30:43,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:30:43,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:30:43,024 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) [2022-02-19 04:30:43,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2022-02-19 04:30:43,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:30:43,090 WARN L261 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 238 conjunts are in the unsatisfiable core [2022-02-19 04:30:43,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:30:58,530 INFO L353 Elim1Store]: treesize reduction 2052, result has 0.0 percent of original size [2022-02-19 04:30:58,531 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 0 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 171 case distinctions, treesize of input 268 treesize of output 116 [2022-02-19 04:30:59,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1312 backedges. 0 proven. 1312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:30:59,258 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:31:43,303 WARN L228 SmtUtils]: Spent 21.57s on a formula simplification. DAG size of input: 2907 DAG size of output: 1539 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-02-19 04:31:43,306 INFO L353 Elim1Store]: treesize reduction 4716, result has 43.1 percent of original size [2022-02-19 04:31:43,307 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 38 select indices, 38 select index equivalence classes, 0 disjoint index pairs (out of 703 index pairs), introduced 38 new quantified variables, introduced 703 case distinctions, treesize of input 348 treesize of output 3698 [2022-02-19 04:31:57,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1312 backedges. 0 proven. 1312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:31:57,704 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1030545893] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:31:57,704 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:31:57,705 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [103, 84, 84] total 224 [2022-02-19 04:31:57,705 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779513962] [2022-02-19 04:31:57,705 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:31:57,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 225 states [2022-02-19 04:31:57,705 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:31:57,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 225 interpolants. [2022-02-19 04:31:57,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=806, Invalid=49594, Unknown=0, NotChecked=0, Total=50400 [2022-02-19 04:31:57,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:31:57,712 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:31:57,713 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 225 states, 225 states have (on average 1.68) internal successors, (378), 224 states have internal predecessors, (378), 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) [2022-02-19 04:31:57,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:31:57,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:31:57,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:31:57,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:31:57,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:31:57,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:31:57,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:31:57,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:31:57,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:31:57,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:31:57,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:31:57,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:31:57,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:31:57,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:31:57,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:31:57,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:31:57,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:31:57,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:31:57,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:31:57,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:31:57,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:31:57,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-19 04:31:57,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-19 04:31:57,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:31:57,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-02-19 04:31:57,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-19 04:31:57,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-02-19 04:31:57,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-19 04:31:57,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-19 04:31:57,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:31:57,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-02-19 04:31:57,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-19 04:31:57,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-02-19 04:31:57,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-19 04:31:57,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-02-19 04:31:57,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-02-19 04:31:57,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-02-19 04:31:57,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-19 04:31:57,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:32:14,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:32:14,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:32:14,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:32:14,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:32:14,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:32:14,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:32:14,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:32:14,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:32:14,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:32:14,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:32:14,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:32:14,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:32:14,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:32:14,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:32:14,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:32:14,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:32:14,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:32:14,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:32:14,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:32:14,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:32:14,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:32:14,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-19 04:32:14,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-19 04:32:14,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:32:14,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-02-19 04:32:14,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-19 04:32:14,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-02-19 04:32:14,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-19 04:32:14,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-19 04:32:14,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:32:14,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-02-19 04:32:14,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-19 04:32:14,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-02-19 04:32:14,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-19 04:32:14,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-02-19 04:32:14,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-19 04:32:14,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-02-19 04:32:14,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-19 04:32:14,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-19 04:32:14,836 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2022-02-19 04:32:15,020 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,SelfDestructingSolverStorable38 [2022-02-19 04:32:15,020 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 04:32:15,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:32:15,021 INFO L85 PathProgramCache]: Analyzing trace with hash 943052963, now seen corresponding path program 38 times [2022-02-19 04:32:15,021 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:32:15,021 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704422135] [2022-02-19 04:32:15,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:32:15,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:32:15,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:32:15,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1370 backedges. 0 proven. 1370 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:32:15,972 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:32:15,972 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704422135] [2022-02-19 04:32:15,972 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704422135] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:32:15,972 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258833094] [2022-02-19 04:32:15,973 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 04:32:15,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:32:15,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:32:15,974 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) [2022-02-19 04:32:15,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2022-02-19 04:32:16,030 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 04:32:16,031 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:32:16,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 84 conjunts are in the unsatisfiable core [2022-02-19 04:32:16,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:32:16,391 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-19 04:32:16,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1370 backedges. 0 proven. 1370 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:32:16,429 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:32:17,279 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-02-19 04:32:17,279 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-02-19 04:32:17,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1370 backedges. 0 proven. 1370 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:32:17,495 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1258833094] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:32:17,495 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:32:17,495 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43, 43] total 64 [2022-02-19 04:32:17,495 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594550748] [2022-02-19 04:32:17,495 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:32:17,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2022-02-19 04:32:17,495 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:32:17,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2022-02-19 04:32:17,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=4012, Unknown=0, NotChecked=0, Total=4160 [2022-02-19 04:32:17,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:32:17,496 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:32:17,497 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 3.723076923076923) internal successors, (242), 64 states have internal predecessors, (242), 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) [2022-02-19 04:32:17,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:32:17,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:32:17,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:32:17,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:32:17,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:32:17,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:32:17,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:32:17,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:32:17,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:32:17,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:32:17,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:32:17,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:32:17,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:32:17,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:32:17,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:32:17,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:32:17,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:32:17,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:32:17,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:32:17,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:32:17,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:32:17,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-19 04:32:17,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-19 04:32:17,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:32:17,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-02-19 04:32:17,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-19 04:32:17,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-02-19 04:32:17,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-19 04:32:17,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-19 04:32:17,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:32:17,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-02-19 04:32:17,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-19 04:32:17,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-02-19 04:32:17,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-19 04:32:17,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-02-19 04:32:17,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-02-19 04:32:17,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-02-19 04:32:17,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-19 04:32:17,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-19 04:32:17,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:32:19,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:32:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 04:32:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 04:32:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:32:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:32:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 04:32:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:32:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-19 04:32:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 04:32:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:32:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:32:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:32:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-19 04:32:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 04:32:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:32:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 04:32:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:32:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 04:32:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:32:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 04:32:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-19 04:32:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-19 04:32:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-19 04:32:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 04:32:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-02-19 04:32:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-19 04:32:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-02-19 04:32:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-19 04:32:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-19 04:32:19,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-19 04:32:19,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-02-19 04:32:19,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-19 04:32:19,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-02-19 04:32:19,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-19 04:32:19,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-02-19 04:32:19,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-19 04:32:19,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-02-19 04:32:19,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-19 04:32:19,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-19 04:32:19,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-02-19 04:32:19,830 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2022-02-19 04:32:20,013 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,SelfDestructingSolverStorable39 [2022-02-19 04:32:20,014 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 04:32:20,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:32:20,014 INFO L85 PathProgramCache]: Analyzing trace with hash 85347366, now seen corresponding path program 39 times [2022-02-19 04:32:20,014 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:32:20,014 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022795730] [2022-02-19 04:32:20,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:32:20,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:32:20,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:32:32,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1451 backedges. 0 proven. 1451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:32:32,304 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:32:32,304 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022795730] [2022-02-19 04:32:32,304 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022795730] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:32:32,304 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953949351] [2022-02-19 04:32:32,304 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 04:32:32,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:32:32,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:32:32,306 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) [2022-02-19 04:32:32,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2022-02-19 04:32:32,378 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) [2022-02-19 04:32:32,378 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:32:32,381 WARN L261 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 258 conjunts are in the unsatisfiable core [2022-02-19 04:32:32,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:32:51,831 INFO L353 Elim1Store]: treesize reduction 2242, result has 0.0 percent of original size [2022-02-19 04:32:51,832 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 0 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 190 case distinctions, treesize of input 278 treesize of output 122 [2022-02-19 04:32:52,638 INFO L134 CoverageAnalysis]: Checked inductivity of 1451 backedges. 0 proven. 1451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:32:52,639 INFO L328 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2022-02-19 04:33:21,316 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-19 04:33:21,318 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-02-19 04:33:21,327 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 [2022-02-19 04:33:21,327 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 [2022-02-19 04:33:21,338 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 04:33:21,349 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2022-02-19 04:33:21,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:33:21,547 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 160 with TraceHistMax 21,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 2ms.. [2022-02-19 04:33:21,549 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-19 04:33:21,549 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-19 04:33:21,554 INFO L732 BasicCegarLoop]: Path program histogram: [39, 1, 1] [2022-02-19 04:33:21,556 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 04:33:21,556 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 04:33:21,558 INFO L202 PluginConnector]: Adding new model queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 04:33:21 BasicIcfg [2022-02-19 04:33:21,558 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 04:33:21,558 INFO L158 Benchmark]: Toolchain (without parser) took 738979.69ms. Allocated memory was 180.4MB in the beginning and 549.5MB in the end (delta: 369.1MB). Free memory was 140.2MB in the beginning and 124.6MB in the end (delta: 15.6MB). Peak memory consumption was 386.6MB. Max. memory is 8.0GB. [2022-02-19 04:33:21,558 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 180.4MB. Free memory is still 141.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 04:33:21,559 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.08ms. Allocated memory is still 180.4MB. Free memory was 140.1MB in the beginning and 138.5MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-19 04:33:21,559 INFO L158 Benchmark]: Boogie Preprocessor took 15.63ms. Allocated memory is still 180.4MB. Free memory was 138.5MB in the beginning and 137.6MB in the end (delta: 920.3kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 04:33:21,560 INFO L158 Benchmark]: RCFGBuilder took 236.53ms. Allocated memory is still 180.4MB. Free memory was 137.5MB in the beginning and 128.4MB in the end (delta: 9.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-19 04:33:21,561 INFO L158 Benchmark]: TraceAbstraction took 738701.72ms. Allocated memory was 180.4MB in the beginning and 549.5MB in the end (delta: 369.1MB). Free memory was 127.9MB in the beginning and 124.6MB in the end (delta: 3.3MB). Peak memory consumption was 373.0MB. Max. memory is 8.0GB. [2022-02-19 04:33:21,562 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 180.4MB. Free memory is still 141.3MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.08ms. Allocated memory is still 180.4MB. Free memory was 140.1MB in the beginning and 138.5MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.63ms. Allocated memory is still 180.4MB. Free memory was 138.5MB in the beginning and 137.6MB in the end (delta: 920.3kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 236.53ms. Allocated memory is still 180.4MB. Free memory was 137.5MB in the beginning and 128.4MB in the end (delta: 9.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 738701.72ms. Allocated memory was 180.4MB in the beginning and 549.5MB in the end (delta: 369.1MB). Free memory was 127.9MB in the beginning and 124.6MB in the end (delta: 3.3MB). Peak memory consumption was 373.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5556, positive: 4618, positive conditional: 4423, positive unconditional: 195, negative: 938, negative conditional: 938, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4618, positive: 4618, positive conditional: 4423, positive unconditional: 195, 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: 4618, positive: 4618, positive conditional: 4423, positive unconditional: 195, 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: 4618, positive: 4618, positive conditional: 4394, positive unconditional: 224, 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: 4618, positive: 4618, positive conditional: 3025, positive unconditional: 1593, 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: 4618, positive: 4618, positive conditional: 3025, positive unconditional: 1593, 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: 185, positive: 185, positive conditional: 0, positive unconditional: 185, 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: 185, positive: 182, positive conditional: 0, positive unconditional: 182, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 71, positive: 71, positive conditional: 0, positive unconditional: 71, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4618, positive: 4433, positive conditional: 3025, positive unconditional: 1408, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 185, unknown conditional: 0, unknown unconditional: 185] , Statistics on independence cache: Total cache size (in pairs): 185, Positive cache size: 185, Positive conditional cache size: 0, Positive unconditional cache size: 185, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 1369, Maximal queried relation: 0, Independence queries for same thread: 938 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 20, Number of trivial persistent sets: 7, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 195, positive: 195, positive conditional: 0, positive unconditional: 195, 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: 5556, positive: 4618, positive conditional: 4423, positive unconditional: 195, negative: 938, negative conditional: 938, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4618, positive: 4618, positive conditional: 4423, positive unconditional: 195, 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: 4618, positive: 4618, positive conditional: 4423, positive unconditional: 195, 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: 4618, positive: 4618, positive conditional: 4394, positive unconditional: 224, 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: 4618, positive: 4618, positive conditional: 3025, positive unconditional: 1593, 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: 4618, positive: 4618, positive conditional: 3025, positive unconditional: 1593, 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: 185, positive: 185, positive conditional: 0, positive unconditional: 185, 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: 185, positive: 182, positive conditional: 0, positive unconditional: 182, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 71, positive: 71, positive conditional: 0, positive unconditional: 71, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4618, positive: 4433, positive conditional: 3025, positive unconditional: 1408, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 185, unknown conditional: 0, unknown unconditional: 185] , Statistics on independence cache: Total cache size (in pairs): 185, Positive cache size: 185, Positive conditional cache size: 0, Positive unconditional cache size: 185, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 1369, Maximal queried relation: 0, Independence queries for same thread: 938 - 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: 60]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 160 with TraceHistMax 21,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 2ms.. - TimeoutResultAtElement [Line: 55]: 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 160 with TraceHistMax 21,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 2ms.. - TimeoutResultAtElement [Line: 55]: 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 160 with TraceHistMax 21,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 2ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 42 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 738.6s, OverallIterations: 41, TraceHistogramMax: 0, PathProgramHistogramMax: 39, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 120.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1214, 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, 545.3s InterpolantComputationTime, 6909 NumberOfCodeBlocks, 6909 NumberOfCodeBlocksAsserted, 286 NumberOfCheckSat, 10238 ConstructedInterpolants, 250 QuantifiedInterpolants, 445668 SizeOfPredicates, 432 NumberOfNonLiveVariables, 7787 ConjunctsInSsa, 3370 ConjunctsInUnsatCore, 118 InterpolantComputations, 1 PerfectInterpolantSequences, 0/56550 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