/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-?-bc289cb [2022-01-29 02:18:13,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-29 02:18:13,412 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-29 02:18:13,479 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-29 02:18:13,479 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-29 02:18:13,482 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-29 02:18:13,484 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-29 02:18:13,491 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-29 02:18:13,492 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-29 02:18:13,497 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-29 02:18:13,498 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-29 02:18:13,499 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-29 02:18:13,499 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-29 02:18:13,500 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-29 02:18:13,500 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-29 02:18:13,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-29 02:18:13,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-29 02:18:13,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-29 02:18:13,507 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-29 02:18:13,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-29 02:18:13,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-29 02:18:13,511 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-29 02:18:13,513 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-29 02:18:13,514 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-29 02:18:13,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-29 02:18:13,528 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-29 02:18:13,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-29 02:18:13,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-29 02:18:13,530 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2022-01-29 02:18:13,563 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-29 02:18:13,563 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-29 02:18:13,563 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-29 02:18:13,564 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-29 02:18:13,564 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-29 02:18:13,564 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-29 02:18:13,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-29 02:18:13,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-29 02:18:13,565 INFO L138 SettingsManager]: * Use SBE=true [2022-01-29 02:18:13,565 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-29 02:18:13,565 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-29 02:18:13,565 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-29 02:18:13,566 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-29 02:18:13,566 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-29 02:18:13,566 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-29 02:18:13,566 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-29 02:18:13,566 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-29 02:18:13,566 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-29 02:18:13,566 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-29 02:18:13,566 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-29 02:18:13,567 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-29 02:18:13,567 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-29 02:18:13,567 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-29 02:18:13,569 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-29 02:18:13,570 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-29 02:18:13,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-29 02:18:13,570 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-29 02:18:13,570 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-29 02:18:13,570 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-29 02:18:13,571 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-29 02:18:13,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-29 02:18:13,571 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-29 02:18:13,571 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-01-29 02:18:13,571 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-29 02:18:13,571 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-01-29 02:18:13,571 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-01-29 02:18:13,572 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-29 02:18:13,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-29 02:18:13,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-29 02:18:13,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-29 02:18:13,818 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-01-29 02:18:13,818 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-01-29 02:18:13,819 INFO L432 ainManager$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 [2022-01-29 02:18:13,819 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/queue-add-2.wvr.bpl' [2022-01-29 02:18:13,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-29 02:18:13,839 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-29 02:18:13,840 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-29 02:18:13,840 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-29 02:18:13,840 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-29 02:18:13,855 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 29.01 02:18:13" (1/1) ... [2022-01-29 02:18:13,862 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 29.01 02:18:13" (1/1) ... [2022-01-29 02:18:13,867 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-01-29 02:18:13,868 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-29 02:18:13,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-29 02:18:13,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-29 02:18:13,869 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-29 02:18:13,876 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 29.01 02:18:13" (1/1) ... [2022-01-29 02:18:13,876 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 29.01 02:18:13" (1/1) ... [2022-01-29 02:18:13,876 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 29.01 02:18:13" (1/1) ... [2022-01-29 02:18:13,877 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 29.01 02:18:13" (1/1) ... [2022-01-29 02:18:13,880 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 29.01 02:18:13" (1/1) ... [2022-01-29 02:18:13,882 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 29.01 02:18:13" (1/1) ... [2022-01-29 02:18:13,883 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 29.01 02:18:13" (1/1) ... [2022-01-29 02:18:13,883 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-29 02:18:13,885 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-29 02:18:13,885 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-29 02:18:13,885 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-29 02:18:13,886 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 02:18:13" (1/1) ... [2022-01-29 02:18:13,893 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-29 02:18:13,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:18:13,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-29 02:18:13,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-29 02:18:13,952 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-01-29 02:18:13,952 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-29 02:18:13,952 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-29 02:18:13,953 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-01-29 02:18:13,953 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-29 02:18:13,953 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-29 02:18:13,953 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-01-29 02:18:13,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-29 02:18:13,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-29 02:18:13,953 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-29 02:18:14,000 INFO L234 CfgBuilder]: Building ICFG [2022-01-29 02:18:14,001 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-29 02:18:14,112 INFO L275 CfgBuilder]: Performing block encoding [2022-01-29 02:18:14,124 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-29 02:18:14,124 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-29 02:18:14,126 INFO L202 PluginConnector]: Adding new model queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:18:14 BoogieIcfgContainer [2022-01-29 02:18:14,126 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-29 02:18:14,128 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-29 02:18:14,129 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-29 02:18:14,131 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-29 02:18:14,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 02:18:13" (1/2) ... [2022-01-29 02:18:14,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f73aa7c and model type queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 02:18:14, skipping insertion in model container [2022-01-29 02:18:14,133 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 29.01 02:18:14" (2/2) ... [2022-01-29 02:18:14,138 INFO L111 eAbstractionObserver]: Analyzing ICFG queue-add-2.wvr.bpl [2022-01-29 02:18:14,143 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-29 02:18:14,143 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-29 02:18:14,143 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-29 02:18:14,143 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-29 02:18:14,187 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-01-29 02:18:14,237 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-01-29 02:18:14,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:18:14,243 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-01-29 02:18:14,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-01-29 02:18:14,287 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-01-29 02:18:14,293 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-29 02:18:14,293 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-29 02:18:14,399 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 02:18:14,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:18:14,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1284111015, now seen corresponding path program 1 times [2022-01-29 02:18:14,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:18:14,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104399791] [2022-01-29 02:18:14,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:18:14,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:18:14,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:18:14,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:14,518 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:18:14,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104399791] [2022-01-29 02:18:14,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104399791] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 02:18:14,524 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 02:18:14,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-29 02:18:14,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032550694] [2022-01-29 02:18:14,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 02:18:14,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-29 02:18:14,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:18:14,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-29 02:18:14,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-29 02:18:14,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:18:14,614 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:18:14,615 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) [2022-01-29 02:18:14,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:18:14,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:18:14,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-29 02:18:14,674 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 02:18:14,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:18:14,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1363030998, now seen corresponding path program 1 times [2022-01-29 02:18:14,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:18:14,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882035803] [2022-01-29 02:18:14,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:18:14,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:18:14,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:18:14,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:14,850 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:18:14,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882035803] [2022-01-29 02:18:14,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882035803] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:18:14,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449603028] [2022-01-29 02:18:14,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:18:14,851 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:18:14,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:18:14,855 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 02:18:14,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-29 02:18:14,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:18:14,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 10 conjunts are in the unsatisfiable core [2022-01-29 02:18:14,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:18:15,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:15,200 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:18:15,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:15,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [449603028] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:18:15,353 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:18:15,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 12 [2022-01-29 02:18:15,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586453329] [2022-01-29 02:18:15,354 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:18:15,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-01-29 02:18:15,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:18:15,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-01-29 02:18:15,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2022-01-29 02:18:15,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:18:15,359 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:18:15,359 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) [2022-01-29 02:18:15,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:18:15,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:18:15,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:18:15,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:18:15,544 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-29 02:18:15,731 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 [2022-01-29 02:18:15,732 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 02:18:15,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:18:15,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1221867961, now seen corresponding path program 1 times [2022-01-29 02:18:15,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:18:15,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100595842] [2022-01-29 02:18:15,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:18:15,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:18:15,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:18:15,780 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:15,780 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:18:15,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100595842] [2022-01-29 02:18:15,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100595842] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:18:15,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [918256018] [2022-01-29 02:18:15,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:18:15,781 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:18:15,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:18:15,782 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 02:18:15,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-29 02:18:15,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:18:15,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-29 02:18:15,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:18:15,860 INFO L388 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 [2022-01-29 02:18:15,875 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:15,876 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:18:15,930 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-01-29 02:18:15,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-01-29 02:18:15,942 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:15,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [918256018] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:18:15,942 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:18:15,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2022-01-29 02:18:15,943 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394020891] [2022-01-29 02:18:15,943 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:18:15,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-29 02:18:15,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:18:15,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-29 02:18:15,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-01-29 02:18:15,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:18:15,947 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:18:15,949 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) [2022-01-29 02:18:15,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:18:15,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:18:15,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:18:16,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:18:16,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:18:16,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:18:16,055 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-29 02:18:16,259 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 [2022-01-29 02:18:16,260 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 02:18:16,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:18:16,260 INFO L85 PathProgramCache]: Analyzing trace with hash 374654922, now seen corresponding path program 2 times [2022-01-29 02:18:16,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:18:16,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267652452] [2022-01-29 02:18:16,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:18:16,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:18:16,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:18:16,551 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:16,551 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:18:16,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267652452] [2022-01-29 02:18:16,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267652452] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:18:16,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1741593772] [2022-01-29 02:18:16,551 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-29 02:18:16,552 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:18:16,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:18:16,553 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 02:18:16,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-29 02:18:16,583 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-29 02:18:16,584 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:18:16,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 24 conjunts are in the unsatisfiable core [2022-01-29 02:18:16,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:18:16,786 INFO L388 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 [2022-01-29 02:18:16,936 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:16,936 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:18:17,210 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-29 02:18:17,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 20 [2022-01-29 02:18:17,287 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:17,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1741593772] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:18:17,288 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:18:17,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 12] total 27 [2022-01-29 02:18:17,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441405838] [2022-01-29 02:18:17,288 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:18:17,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-01-29 02:18:17,288 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:18:17,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-01-29 02:18:17,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=650, Unknown=0, NotChecked=0, Total=756 [2022-01-29 02:18:17,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:18:17,291 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:18:17,292 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) [2022-01-29 02:18:17,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:18:17,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:18:17,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:18:17,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:18:17,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:18:17,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:18:17,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:18:17,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:18:17,477 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-01-29 02:18:17,667 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 [2022-01-29 02:18:17,668 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 02:18:17,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:18:17,668 INFO L85 PathProgramCache]: Analyzing trace with hash 538944269, now seen corresponding path program 3 times [2022-01-29 02:18:17,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:18:17,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922454786] [2022-01-29 02:18:17,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:18:17,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:18:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:18:17,754 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:17,754 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:18:17,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922454786] [2022-01-29 02:18:17,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922454786] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:18:17,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1871798540] [2022-01-29 02:18:17,755 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-29 02:18:17,755 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:18:17,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:18:17,756 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 02:18:17,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-01-29 02:18:17,789 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-01-29 02:18:17,789 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:18:17,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 16 conjunts are in the unsatisfiable core [2022-01-29 02:18:17,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:18:17,890 INFO L388 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 [2022-01-29 02:18:17,903 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:17,903 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:18:17,965 INFO L354 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-01-29 02:18:17,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-01-29 02:18:17,991 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:17,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1871798540] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:18:17,992 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:18:17,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 11 [2022-01-29 02:18:17,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986319676] [2022-01-29 02:18:17,992 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:18:17,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-01-29 02:18:17,993 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:18:17,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-01-29 02:18:17,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-01-29 02:18:17,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:18:17,995 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:18:17,995 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) [2022-01-29 02:18:17,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:18:17,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:18:17,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:18:17,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:18:17,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:18:18,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:18:18,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:18:18,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:18:18,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:18:18,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:18:18,156 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-01-29 02:18:18,343 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 [2022-01-29 02:18:18,343 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 02:18:18,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:18:18,344 INFO L85 PathProgramCache]: Analyzing trace with hash 86529261, now seen corresponding path program 4 times [2022-01-29 02:18:18,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:18:18,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658104699] [2022-01-29 02:18:18,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:18:18,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:18:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:18:18,447 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:18,447 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:18:18,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658104699] [2022-01-29 02:18:18,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658104699] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:18:18,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743916935] [2022-01-29 02:18:18,448 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-29 02:18:18,448 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:18:18,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:18:18,449 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 02:18:18,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-01-29 02:18:18,479 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-29 02:18:18,479 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:18:18,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 16 conjunts are in the unsatisfiable core [2022-01-29 02:18:18,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:18:18,580 INFO L388 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 [2022-01-29 02:18:18,591 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:18,591 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:18:18,677 INFO L354 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-01-29 02:18:18,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-01-29 02:18:18,722 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:18,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [743916935] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:18:18,722 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:18:18,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 13 [2022-01-29 02:18:18,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674867631] [2022-01-29 02:18:18,723 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:18:18,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-01-29 02:18:18,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:18:18,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-01-29 02:18:18,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-01-29 02:18:18,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:18:18,726 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:18:18,728 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) [2022-01-29 02:18:18,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:18:18,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:18:18,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:18:18,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:18:18,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:18:18,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:18:18,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:18:18,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:18:18,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:18:18,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:18:18,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:18:18,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:18:18,912 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-01-29 02:18:19,087 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 [2022-01-29 02:18:19,087 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 02:18:19,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:18:19,088 INFO L85 PathProgramCache]: Analyzing trace with hash -528641168, now seen corresponding path program 5 times [2022-01-29 02:18:19,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:18:19,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227525711] [2022-01-29 02:18:19,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:18:19,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:18:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:18:19,719 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:19,719 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:18:19,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227525711] [2022-01-29 02:18:19,720 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227525711] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:18:19,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214876546] [2022-01-29 02:18:19,720 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-01-29 02:18:19,720 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:18:19,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:18:19,721 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 02:18:19,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-01-29 02:18:19,763 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2022-01-29 02:18:19,763 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:18:19,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 44 conjunts are in the unsatisfiable core [2022-01-29 02:18:19,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:18:20,349 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-01-29 02:18:20,350 INFO L388 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 38 treesize of output 18 [2022-01-29 02:18:20,545 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:20,546 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:18:21,414 INFO L354 Elim1Store]: treesize reduction 76, result has 52.8 percent of original size [2022-01-29 02:18:21,414 INFO L388 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 [2022-01-29 02:18:21,563 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:21,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214876546] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:18:21,564 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:18:21,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 20, 20] total 48 [2022-01-29 02:18:21,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842876453] [2022-01-29 02:18:21,564 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:18:21,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-01-29 02:18:21,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:18:21,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-01-29 02:18:21,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=2170, Unknown=0, NotChecked=0, Total=2352 [2022-01-29 02:18:21,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:18:21,566 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:18:21,566 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) [2022-01-29 02:18:21,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:18:21,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:18:21,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:18:21,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:18:21,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:18:21,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:18:21,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:18:22,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:18:22,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:18:22,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:18:22,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:18:22,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:18:22,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:18:22,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:18:22,166 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-01-29 02:18:22,340 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 [2022-01-29 02:18:22,341 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 02:18:22,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:18:22,341 INFO L85 PathProgramCache]: Analyzing trace with hash 958004595, now seen corresponding path program 6 times [2022-01-29 02:18:22,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:18:22,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90709144] [2022-01-29 02:18:22,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:18:22,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:18:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:18:22,464 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:22,464 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:18:22,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90709144] [2022-01-29 02:18:22,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90709144] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:18:22,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185356745] [2022-01-29 02:18:22,464 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-01-29 02:18:22,464 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:18:22,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:18:22,465 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 02:18:22,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-01-29 02:18:22,504 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2022-01-29 02:18:22,504 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:18:22,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 20 conjunts are in the unsatisfiable core [2022-01-29 02:18:22,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:18:22,604 INFO L388 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 [2022-01-29 02:18:22,615 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:22,615 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:18:22,729 INFO L354 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-01-29 02:18:22,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-01-29 02:18:22,783 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:22,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1185356745] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:18:22,783 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:18:22,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 16 [2022-01-29 02:18:22,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745394056] [2022-01-29 02:18:22,783 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:18:22,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-29 02:18:22,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:18:22,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-29 02:18:22,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2022-01-29 02:18:22,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:18:22,785 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:18:22,785 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) [2022-01-29 02:18:22,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:18:22,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:18:22,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:18:22,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:18:22,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:18:22,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:18:22,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:18:22,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:18:22,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:18:22,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:18:22,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:18:22,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:18:22,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:18:22,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:18:22,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:18:22,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:18:22,991 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-01-29 02:18:23,179 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 [2022-01-29 02:18:23,180 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 02:18:23,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:18:23,180 INFO L85 PathProgramCache]: Analyzing trace with hash -88373002, now seen corresponding path program 7 times [2022-01-29 02:18:23,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:18:23,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035545289] [2022-01-29 02:18:23,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:18:23,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:18:23,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:18:23,966 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:23,966 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:18:23,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035545289] [2022-01-29 02:18:23,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035545289] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:18:23,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1367459695] [2022-01-29 02:18:23,966 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-01-29 02:18:23,966 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:18:23,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:18:23,967 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 02:18:23,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-01-29 02:18:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:18:23,998 WARN L261 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 58 conjunts are in the unsatisfiable core [2022-01-29 02:18:24,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:18:24,865 INFO L354 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2022-01-29 02:18:24,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 22 [2022-01-29 02:18:25,073 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:25,074 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:18:26,264 INFO L354 Elim1Store]: treesize reduction 156, result has 49.5 percent of original size [2022-01-29 02:18:26,264 INFO L388 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 [2022-01-29 02:18:26,570 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:26,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1367459695] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:18:26,570 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:18:26,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 24, 24] total 59 [2022-01-29 02:18:26,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256930829] [2022-01-29 02:18:26,573 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:18:26,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2022-01-29 02:18:26,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:18:26,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2022-01-29 02:18:26,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=3319, Unknown=0, NotChecked=0, Total=3540 [2022-01-29 02:18:26,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:18:26,576 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:18:26,577 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) [2022-01-29 02:18:26,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:18:26,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:18:26,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:18:26,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:18:26,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:18:26,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:18:26,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:18:26,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:18:26,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:18:27,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:18:27,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:18:27,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:18:27,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:18:27,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:18:27,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:18:27,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:18:27,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:18:27,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:18:27,568 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-01-29 02:18:27,743 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 [2022-01-29 02:18:27,743 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 02:18:27,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:18:27,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1859610003, now seen corresponding path program 8 times [2022-01-29 02:18:27,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:18:27,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578621174] [2022-01-29 02:18:27,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:18:27,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:18:27,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:18:27,880 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:27,880 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:18:27,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578621174] [2022-01-29 02:18:27,880 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578621174] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:18:27,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100227967] [2022-01-29 02:18:27,883 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-29 02:18:27,883 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:18:27,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:18:27,884 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 02:18:27,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-01-29 02:18:27,920 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-29 02:18:27,920 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:18:27,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 24 conjunts are in the unsatisfiable core [2022-01-29 02:18:27,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:18:28,056 INFO L388 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 [2022-01-29 02:18:28,067 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:28,068 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:18:28,192 INFO L354 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-01-29 02:18:28,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-01-29 02:18:28,247 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:28,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1100227967] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:18:28,247 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:18:28,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 19 [2022-01-29 02:18:28,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261058709] [2022-01-29 02:18:28,247 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:18:28,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-01-29 02:18:28,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:18:28,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-01-29 02:18:28,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=337, Unknown=0, NotChecked=0, Total=380 [2022-01-29 02:18:28,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:18:28,248 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:18:28,249 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) [2022-01-29 02:18:28,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:18:28,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:18:28,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:18:28,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:18:28,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:18:28,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:18:28,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:18:28,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:18:28,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:18:28,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:18:28,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:18:28,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:18:28,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:18:28,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:18:28,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:18:28,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:18:28,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:18:28,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:18:28,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:18:28,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:18:28,541 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-01-29 02:18:28,735 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 [2022-01-29 02:18:28,735 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 02:18:28,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:18:28,736 INFO L85 PathProgramCache]: Analyzing trace with hash -985145066, now seen corresponding path program 9 times [2022-01-29 02:18:28,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:18:28,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732187584] [2022-01-29 02:18:28,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:18:28,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:18:28,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:18:29,793 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:29,793 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:18:29,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732187584] [2022-01-29 02:18:29,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732187584] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:18:29,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042697092] [2022-01-29 02:18:29,794 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-29 02:18:29,794 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:18:29,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:18:29,795 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 02:18:29,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-01-29 02:18:29,832 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-01-29 02:18:29,832 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:18:29,833 WARN L261 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 72 conjunts are in the unsatisfiable core [2022-01-29 02:18:29,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:18:32,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:18:32,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:18:32,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:18:32,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:18:32,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:18:32,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:18:32,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:18:32,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:18:32,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:18:32,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:18:32,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:18:32,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:18:32,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:18:32,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:18:32,679 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:18:32,690 INFO L354 Elim1Store]: treesize reduction 39, result has 17.0 percent of original size [2022-01-29 02:18:32,691 INFO L388 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 58 treesize of output 34 [2022-01-29 02:18:33,236 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:33,237 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:18:37,349 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:18:37,351 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:18:37,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:18:37,353 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:18:37,353 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:18:37,354 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:18:37,354 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:18:37,355 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:18:37,355 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:18:37,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:18:37,360 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:18:37,361 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:18:37,361 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:18:37,362 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:18:37,362 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:18:37,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:18:37,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:18:37,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:18:37,367 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:18:37,367 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:18:37,368 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:18:37,368 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:18:37,368 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:18:37,369 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:18:37,369 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:18:37,370 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:18:37,487 INFO L354 Elim1Store]: treesize reduction 56, result has 71.3 percent of original size [2022-01-29 02:18:37,488 INFO L388 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 [2022-01-29 02:18:37,913 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:37,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2042697092] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:18:37,914 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:18:37,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 32, 32] total 85 [2022-01-29 02:18:37,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168726631] [2022-01-29 02:18:37,914 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:18:37,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2022-01-29 02:18:37,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:18:37,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2022-01-29 02:18:37,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=693, Invalid=6617, Unknown=0, NotChecked=0, Total=7310 [2022-01-29 02:18:37,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:18:37,917 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:18:37,917 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) [2022-01-29 02:18:37,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:18:37,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:18:37,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:18:37,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:18:37,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:18:37,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:18:37,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:18:37,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:18:37,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:18:37,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:18:37,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:18:40,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:18:40,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:18:40,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:18:40,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:18:40,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:18:40,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:18:40,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:18:40,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:18:40,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:18:40,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:18:40,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:18:40,510 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-01-29 02:18:40,685 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 [2022-01-29 02:18:40,685 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 02:18:40,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:18:40,686 INFO L85 PathProgramCache]: Analyzing trace with hash -998962727, now seen corresponding path program 10 times [2022-01-29 02:18:40,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:18:40,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226860526] [2022-01-29 02:18:40,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:18:40,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:18:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:18:40,856 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:40,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:18:40,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226860526] [2022-01-29 02:18:40,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226860526] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:18:40,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280089964] [2022-01-29 02:18:40,857 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-29 02:18:40,857 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:18:40,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:18:40,858 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 02:18:40,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-01-29 02:18:40,906 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-29 02:18:40,906 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:18:40,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 28 conjunts are in the unsatisfiable core [2022-01-29 02:18:40,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:18:41,034 INFO L388 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 [2022-01-29 02:18:41,045 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:41,045 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:18:41,198 INFO L354 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-01-29 02:18:41,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-01-29 02:18:41,262 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:41,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280089964] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:18:41,262 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:18:41,262 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 22 [2022-01-29 02:18:41,262 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529717064] [2022-01-29 02:18:41,263 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:18:41,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-01-29 02:18:41,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:18:41,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-01-29 02:18:41,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=456, Unknown=0, NotChecked=0, Total=506 [2022-01-29 02:18:41,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:18:41,264 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:18:41,264 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) [2022-01-29 02:18:41,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:18:41,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:18:41,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:18:41,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:18:41,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:18:41,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:18:41,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:18:41,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:18:41,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:18:41,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:18:41,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:18:41,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:18:41,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:18:41,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:18:41,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:18:41,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:18:41,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:18:41,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:18:41,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:18:41,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:18:41,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:18:41,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:18:41,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:18:41,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:18:41,629 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-01-29 02:18:41,823 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 [2022-01-29 02:18:41,823 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 02:18:41,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:18:41,824 INFO L85 PathProgramCache]: Analyzing trace with hash 256766556, now seen corresponding path program 11 times [2022-01-29 02:18:41,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:18:41,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993735874] [2022-01-29 02:18:41,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:18:41,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:18:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:18:43,159 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:43,159 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:18:43,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993735874] [2022-01-29 02:18:43,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993735874] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:18:43,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835593163] [2022-01-29 02:18:43,160 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-01-29 02:18:43,160 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:18:43,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:18:43,164 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 02:18:43,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-01-29 02:18:43,224 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2022-01-29 02:18:43,224 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:18:43,225 WARN L261 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 80 conjunts are in the unsatisfiable core [2022-01-29 02:18:43,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:18:44,707 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2022-01-29 02:18:44,708 INFO L388 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 74 treesize of output 30 [2022-01-29 02:18:44,942 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:44,942 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:18:47,257 INFO L354 Elim1Store]: treesize reduction 400, result has 46.6 percent of original size [2022-01-29 02:18:47,258 INFO L388 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 [2022-01-29 02:18:47,739 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:47,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1835593163] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:18:47,740 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:18:47,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 32, 32] total 81 [2022-01-29 02:18:47,741 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017364772] [2022-01-29 02:18:47,741 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:18:47,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2022-01-29 02:18:47,741 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:18:47,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2022-01-29 02:18:47,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=299, Invalid=6343, Unknown=0, NotChecked=0, Total=6642 [2022-01-29 02:18:47,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:18:47,743 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:18:47,744 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) [2022-01-29 02:18:47,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:18:47,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:18:47,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:18:47,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:18:47,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:18:47,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:18:47,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:18:47,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:18:47,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:18:47,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:18:47,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:18:47,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:18:47,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:18:49,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:18:49,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:18:49,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:18:49,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:18:49,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:18:49,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:18:49,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:18:49,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:18:49,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:18:49,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:18:49,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:18:49,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:18:49,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:18:49,200 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-01-29 02:18:49,384 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 [2022-01-29 02:18:49,384 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 02:18:49,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:18:49,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1661532217, now seen corresponding path program 12 times [2022-01-29 02:18:49,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:18:49,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161829141] [2022-01-29 02:18:49,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:18:49,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:18:49,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:18:49,566 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:49,566 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:18:49,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161829141] [2022-01-29 02:18:49,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161829141] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:18:49,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565338274] [2022-01-29 02:18:49,566 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-01-29 02:18:49,566 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:18:49,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:18:49,567 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 02:18:49,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-01-29 02:18:49,609 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2022-01-29 02:18:49,609 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:18:49,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 32 conjunts are in the unsatisfiable core [2022-01-29 02:18:49,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:18:49,751 INFO L388 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 [2022-01-29 02:18:49,762 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:49,762 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:18:49,935 INFO L354 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-01-29 02:18:49,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-01-29 02:18:50,011 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:50,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1565338274] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:18:50,011 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:18:50,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 25 [2022-01-29 02:18:50,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307226259] [2022-01-29 02:18:50,011 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:18:50,012 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-29 02:18:50,012 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:18:50,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-29 02:18:50,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-29 02:18:50,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:18:50,012 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:18:50,013 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) [2022-01-29 02:18:50,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:18:50,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:18:50,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:18:50,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:18:50,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:18:50,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:18:50,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:18:50,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:18:50,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:18:50,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:18:50,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:18:50,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:18:50,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:18:50,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:18:50,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:18:50,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:18:50,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:18:50,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:18:50,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:18:50,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:18:50,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:18:50,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:18:50,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:18:50,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:18:50,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:18:50,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:18:50,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:18:50,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:18:50,394 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-01-29 02:18:50,579 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 [2022-01-29 02:18:50,579 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 02:18:50,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:18:50,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1266921660, now seen corresponding path program 13 times [2022-01-29 02:18:50,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:18:50,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441087098] [2022-01-29 02:18:50,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:18:50,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:18:50,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:18:52,173 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:52,173 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:18:52,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441087098] [2022-01-29 02:18:52,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441087098] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:18:52,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100299351] [2022-01-29 02:18:52,173 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-01-29 02:18:52,173 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:18:52,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:18:52,174 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 02:18:52,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-01-29 02:18:52,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:18:52,207 WARN L261 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 94 conjunts are in the unsatisfiable core [2022-01-29 02:18:52,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:18:54,093 INFO L354 Elim1Store]: treesize reduction 252, result has 0.4 percent of original size [2022-01-29 02:18:54,093 INFO L388 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 90 treesize of output 34 [2022-01-29 02:18:54,342 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:54,342 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:18:57,520 INFO L354 Elim1Store]: treesize reduction 564, result has 45.8 percent of original size [2022-01-29 02:18:57,521 INFO L388 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 [2022-01-29 02:18:58,374 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:18:58,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1100299351] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:18:58,374 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:18:58,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 36, 36] total 92 [2022-01-29 02:18:58,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756296713] [2022-01-29 02:18:58,374 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:18:58,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2022-01-29 02:18:58,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:18:58,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2022-01-29 02:18:58,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=338, Invalid=8218, Unknown=0, NotChecked=0, Total=8556 [2022-01-29 02:18:58,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:18:58,377 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:18:58,377 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) [2022-01-29 02:18:58,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:18:58,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:18:58,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:18:58,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:18:58,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:18:58,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:18:58,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:18:58,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:18:58,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:18:58,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:18:58,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:18:58,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:18:58,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:18:58,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:18:58,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:19:00,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:19:00,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:19:00,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:19:00,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:19:00,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:19:00,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:19:00,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:19:00,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:19:00,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:19:00,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:19:00,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:19:00,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:19:00,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:19:00,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:19:00,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:19:00,406 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2022-01-29 02:19:00,590 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 [2022-01-29 02:19:00,591 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 02:19:00,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:19:00,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1923926079, now seen corresponding path program 14 times [2022-01-29 02:19:00,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:19:00,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929901568] [2022-01-29 02:19:00,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:19:00,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:19:00,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:19:00,816 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:19:00,816 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:19:00,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929901568] [2022-01-29 02:19:00,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929901568] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:19:00,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1205872035] [2022-01-29 02:19:00,817 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-29 02:19:00,817 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:19:00,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:19:00,818 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 02:19:00,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-01-29 02:19:00,850 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-29 02:19:00,851 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:19:00,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 36 conjunts are in the unsatisfiable core [2022-01-29 02:19:00,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:19:01,006 INFO L388 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 [2022-01-29 02:19:01,017 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:19:01,017 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:19:01,229 INFO L354 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-01-29 02:19:01,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-01-29 02:19:01,316 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:19:01,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1205872035] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:19:01,316 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:19:01,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 28 [2022-01-29 02:19:01,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754842512] [2022-01-29 02:19:01,317 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:19:01,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-01-29 02:19:01,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:19:01,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-01-29 02:19:01,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=748, Unknown=0, NotChecked=0, Total=812 [2022-01-29 02:19:01,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:19:01,318 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:19:01,318 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) [2022-01-29 02:19:01,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:19:01,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:19:01,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:19:01,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:19:01,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:19:01,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:19:01,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:19:01,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:19:01,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:19:01,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:19:01,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:19:01,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:19:01,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:19:01,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:19:01,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:19:01,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:19:01,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:19:01,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:19:01,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:19:01,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:19:01,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:19:01,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:19:01,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:19:01,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:19:01,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:19:01,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:19:01,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:19:01,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:19:01,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:19:01,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:19:01,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:19:01,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:19:01,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-01-29 02:19:01,950 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 [2022-01-29 02:19:01,950 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 02:19:01,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:19:01,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1158942146, now seen corresponding path program 15 times [2022-01-29 02:19:01,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:19:01,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146028347] [2022-01-29 02:19:01,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:19:01,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:19:01,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:19:03,946 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:19:03,946 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:19:03,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146028347] [2022-01-29 02:19:03,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146028347] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:19:03,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638533392] [2022-01-29 02:19:03,947 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-29 02:19:03,947 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:19:03,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:19:03,952 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) [2022-01-29 02:19:03,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-01-29 02:19:03,989 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2022-01-29 02:19:03,989 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:19:03,990 WARN L261 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 106 conjunts are in the unsatisfiable core [2022-01-29 02:19:03,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:19:06,541 INFO L354 Elim1Store]: treesize reduction 322, result has 0.3 percent of original size [2022-01-29 02:19:06,542 INFO L388 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 98 treesize of output 38 [2022-01-29 02:19:06,826 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:19:06,826 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:19:11,464 INFO L354 Elim1Store]: treesize reduction 756, result has 45.3 percent of original size [2022-01-29 02:19:11,465 INFO L388 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 [2022-01-29 02:19:12,766 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:19:12,767 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1638533392] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:19:12,767 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:19:12,767 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 42, 42] total 107 [2022-01-29 02:19:12,767 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901239177] [2022-01-29 02:19:12,767 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:19:12,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 108 states [2022-01-29 02:19:12,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:19:12,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2022-01-29 02:19:12,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=409, Invalid=11147, Unknown=0, NotChecked=0, Total=11556 [2022-01-29 02:19:12,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:19:12,770 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:19:12,770 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) [2022-01-29 02:19:12,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:19:12,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:19:12,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:19:12,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:19:12,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:19:12,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:19:12,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:19:12,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:19:12,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:19:12,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:19:12,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:19:12,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:19:12,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:19:12,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:19:12,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:19:12,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:19:12,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:19:14,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:19:14,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:19:14,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:19:14,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:19:14,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:19:14,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:19:14,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:19:14,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:19:14,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:19:14,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:19:14,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:19:14,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:19:14,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:19:14,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:19:14,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:19:14,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:19:14,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:19:14,178 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-01-29 02:19:14,360 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 [2022-01-29 02:19:14,361 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 02:19:14,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:19:14,361 INFO L85 PathProgramCache]: Analyzing trace with hash -787673889, now seen corresponding path program 16 times [2022-01-29 02:19:14,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:19:14,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73260531] [2022-01-29 02:19:14,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:19:14,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:19:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:19:14,644 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 270 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:19:14,644 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:19:14,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73260531] [2022-01-29 02:19:14,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73260531] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:19:14,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1495160644] [2022-01-29 02:19:14,645 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-29 02:19:14,645 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:19:14,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:19:14,646 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) [2022-01-29 02:19:14,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-01-29 02:19:14,683 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-29 02:19:14,683 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:19:14,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 40 conjunts are in the unsatisfiable core [2022-01-29 02:19:14,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:19:14,867 INFO L388 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 [2022-01-29 02:19:14,882 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 270 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:19:14,882 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:19:15,123 INFO L354 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-01-29 02:19:15,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-01-29 02:19:15,218 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 270 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:19:15,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1495160644] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:19:15,219 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:19:15,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 31 [2022-01-29 02:19:15,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326582571] [2022-01-29 02:19:15,219 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:19:15,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-01-29 02:19:15,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:19:15,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-01-29 02:19:15,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=921, Unknown=0, NotChecked=0, Total=992 [2022-01-29 02:19:15,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:19:15,220 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:19:15,220 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) [2022-01-29 02:19:15,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:19:15,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:19:15,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:19:15,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:19:15,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:19:15,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:19:15,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:19:15,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:19:15,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:19:15,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:19:15,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:19:15,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:19:15,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:19:15,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:19:15,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:19:15,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:19:15,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:19:15,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:19:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:19:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:19:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:19:15,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:19:15,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:19:15,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:19:15,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:19:15,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:19:15,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:19:15,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:19:15,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:19:15,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:19:15,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:19:15,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:19:15,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:19:15,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:19:15,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:19:15,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:19:15,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-01-29 02:19:15,962 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 [2022-01-29 02:19:15,962 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 02:19:15,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:19:15,962 INFO L85 PathProgramCache]: Analyzing trace with hash 981533282, now seen corresponding path program 17 times [2022-01-29 02:19:15,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:19:15,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586210029] [2022-01-29 02:19:15,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:19:15,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:19:15,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:19:18,466 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 0 proven. 307 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:19:18,466 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:19:18,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586210029] [2022-01-29 02:19:18,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586210029] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:19:18,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [3163923] [2022-01-29 02:19:18,466 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-01-29 02:19:18,466 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:19:18,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:19:18,467 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) [2022-01-29 02:19:18,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-01-29 02:19:18,508 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2022-01-29 02:19:18,508 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:19:18,509 WARN L261 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 116 conjunts are in the unsatisfiable core [2022-01-29 02:19:18,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:19:21,603 INFO L354 Elim1Store]: treesize reduction 416, result has 0.2 percent of original size [2022-01-29 02:19:21,603 INFO L388 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 110 treesize of output 42 [2022-01-29 02:19:21,897 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 0 proven. 307 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:19:21,897 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:19:27,470 INFO L354 Elim1Store]: treesize reduction 976, result has 44.8 percent of original size [2022-01-29 02:19:27,470 INFO L388 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 [2022-01-29 02:19:29,429 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 0 proven. 307 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:19:29,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [3163923] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:19:29,430 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:19:29,430 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 44, 44] total 114 [2022-01-29 02:19:29,430 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096925445] [2022-01-29 02:19:29,430 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:19:29,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2022-01-29 02:19:29,430 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:19:29,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2022-01-29 02:19:29,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=416, Invalid=12694, Unknown=0, NotChecked=0, Total=13110 [2022-01-29 02:19:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:19:29,433 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:19:29,433 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) [2022-01-29 02:19:29,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:19:29,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:19:29,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:19:29,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:19:29,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:19:29,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:19:29,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:19:29,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:19:29,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:19:29,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:19:29,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:19:29,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:19:29,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:19:29,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:19:29,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:19:29,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:19:29,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:19:29,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:19:29,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:19:32,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:19:32,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:19:32,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:19:32,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:19:32,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:19:32,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:19:32,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:19:32,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:19:32,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:19:32,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:19:32,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:19:32,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:19:32,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:19:32,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:19:32,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:19:32,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:19:32,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:19:32,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:19:32,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:19:32,387 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-01-29 02:19:32,570 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 [2022-01-29 02:19:32,571 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 02:19:32,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:19:32,571 INFO L85 PathProgramCache]: Analyzing trace with hash -675465051, now seen corresponding path program 18 times [2022-01-29 02:19:32,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:19:32,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377128735] [2022-01-29 02:19:32,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:19:32,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:19:32,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:19:32,859 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:19:32,859 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:19:32,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377128735] [2022-01-29 02:19:32,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377128735] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:19:32,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027974196] [2022-01-29 02:19:32,859 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-01-29 02:19:32,860 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:19:32,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:19:32,861 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) [2022-01-29 02:19:32,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-01-29 02:19:32,911 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2022-01-29 02:19:32,911 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:19:32,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 44 conjunts are in the unsatisfiable core [2022-01-29 02:19:32,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:19:33,122 INFO L388 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 [2022-01-29 02:19:33,132 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:19:33,133 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:19:33,410 INFO L354 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-01-29 02:19:33,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-01-29 02:19:33,518 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:19:33,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027974196] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:19:33,518 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:19:33,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 34 [2022-01-29 02:19:33,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119175892] [2022-01-29 02:19:33,518 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:19:33,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-01-29 02:19:33,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:19:33,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-01-29 02:19:33,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=1112, Unknown=0, NotChecked=0, Total=1190 [2022-01-29 02:19:33,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:19:33,520 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:19:33,520 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) [2022-01-29 02:19:33,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:19:33,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:19:33,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:19:33,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:19:33,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:19:33,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:19:33,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:19:33,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:19:33,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:19:33,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:19:33,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:19:33,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:19:33,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:19:33,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:19:33,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:19:33,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:19:33,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:19:33,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:19:33,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:19:33,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:19:34,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:19:34,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:19:34,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:19:34,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:19:34,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:19:34,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:19:34,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:19:34,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:19:34,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:19:34,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:19:34,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:19:34,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:19:34,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:19:34,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:19:34,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:19:34,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:19:34,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:19:34,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:19:34,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:19:34,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:19:34,203 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-01-29 02:19:34,387 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 [2022-01-29 02:19:34,387 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 02:19:34,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:19:34,388 INFO L85 PathProgramCache]: Analyzing trace with hash -771106008, now seen corresponding path program 19 times [2022-01-29 02:19:34,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:19:34,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324521227] [2022-01-29 02:19:34,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:19:34,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:19:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:19:37,366 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 376 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:19:37,367 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:19:37,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324521227] [2022-01-29 02:19:37,367 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324521227] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:19:37,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [28306018] [2022-01-29 02:19:37,367 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-01-29 02:19:37,367 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:19:37,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:19:37,368 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) [2022-01-29 02:19:37,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-01-29 02:19:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:19:37,405 WARN L261 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 130 conjunts are in the unsatisfiable core [2022-01-29 02:19:37,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:19:41,160 INFO L354 Elim1Store]: treesize reduction 540, result has 0.2 percent of original size [2022-01-29 02:19:41,160 INFO L388 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 126 treesize of output 46 [2022-01-29 02:19:41,477 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 376 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:19:41,477 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:19:48,678 INFO L354 Elim1Store]: treesize reduction 1224, result has 44.5 percent of original size [2022-01-29 02:19:48,679 INFO L388 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 [2022-01-29 02:19:50,669 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 376 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:19:50,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [28306018] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:19:50,670 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:19:50,670 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 48, 48] total 125 [2022-01-29 02:19:50,670 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967343761] [2022-01-29 02:19:50,670 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:19:50,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 126 states [2022-01-29 02:19:50,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:19:50,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants. [2022-01-29 02:19:50,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=455, Invalid=15295, Unknown=0, NotChecked=0, Total=15750 [2022-01-29 02:19:50,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:19:50,673 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:19:50,673 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) [2022-01-29 02:19:50,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:19:50,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:19:50,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:19:50,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:19:50,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:19:50,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:19:50,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:19:50,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:19:50,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:19:50,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:19:50,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:19:50,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:19:50,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:19:50,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:19:50,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:19:50,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:19:50,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:19:50,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:19:50,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:19:50,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:19:50,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:19:54,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:19:54,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:19:54,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:19:54,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:19:54,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:19:54,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:19:54,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:19:54,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:19:54,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:19:54,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:19:54,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:19:54,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:19:54,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:19:54,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:19:54,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:19:54,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:19:54,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:19:54,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:19:54,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:19:54,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:19:54,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-29 02:19:54,880 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-01-29 02:19:55,065 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 [2022-01-29 02:19:55,065 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 02:19:55,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:19:55,065 INFO L85 PathProgramCache]: Analyzing trace with hash -927751291, now seen corresponding path program 20 times [2022-01-29 02:19:55,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:19:55,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346907421] [2022-01-29 02:19:55,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:19:55,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:19:55,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:19:55,447 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 407 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:19:55,447 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:19:55,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346907421] [2022-01-29 02:19:55,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346907421] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:19:55,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82804638] [2022-01-29 02:19:55,447 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-29 02:19:55,448 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:19:55,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:19:55,452 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) [2022-01-29 02:19:55,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-01-29 02:19:55,499 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-29 02:19:55,499 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:19:55,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 48 conjunts are in the unsatisfiable core [2022-01-29 02:19:55,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:19:55,775 INFO L388 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 [2022-01-29 02:19:55,788 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 407 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:19:55,789 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:19:56,158 INFO L354 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-01-29 02:19:56,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-01-29 02:19:56,275 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 407 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:19:56,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [82804638] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:19:56,275 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:19:56,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 37 [2022-01-29 02:19:56,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643088887] [2022-01-29 02:19:56,276 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:19:56,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-01-29 02:19:56,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:19:56,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-01-29 02:19:56,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1321, Unknown=0, NotChecked=0, Total=1406 [2022-01-29 02:19:56,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:19:56,277 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:19:56,277 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) [2022-01-29 02:19:56,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:19:56,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:19:56,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:19:56,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:19:56,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:19:56,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:19:56,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:19:56,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:19:56,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:19:56,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:19:56,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:19:56,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:19:56,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:19:56,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:19:56,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:19:56,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:19:56,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:19:56,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:19:56,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:19:56,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:19:56,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-29 02:19:56,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:19:57,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:19:57,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:19:57,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:19:57,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:19:57,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:19:57,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:19:57,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:19:57,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:19:57,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:19:57,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:19:57,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:19:57,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:19:57,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:19:57,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:19:57,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:19:57,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:19:57,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:19:57,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:19:57,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:19:57,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:19:57,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-29 02:19:57,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:19:57,061 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2022-01-29 02:19:57,245 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 [2022-01-29 02:19:57,245 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 02:19:57,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:19:57,245 INFO L85 PathProgramCache]: Analyzing trace with hash 974116360, now seen corresponding path program 21 times [2022-01-29 02:19:57,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:19:57,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561943240] [2022-01-29 02:19:57,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:19:57,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:19:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:20:00,943 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 0 proven. 452 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:20:00,944 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:20:00,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561943240] [2022-01-29 02:20:00,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561943240] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:20:00,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [626588453] [2022-01-29 02:20:00,944 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-29 02:20:00,944 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:20:00,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:20:00,945 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) [2022-01-29 02:20:00,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-01-29 02:20:00,993 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2022-01-29 02:20:00,993 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:20:00,995 WARN L261 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 148 conjunts are in the unsatisfiable core [2022-01-29 02:20:00,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:20:08,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:08,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:20:08,823 INFO L354 Elim1Store]: treesize reduction 101, result has 9.0 percent of original size [2022-01-29 02:20:08,823 INFO L388 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 134 treesize of output 60 [2022-01-29 02:20:09,687 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 0 proven. 452 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:20:09,687 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:20:20,668 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,669 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,671 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,672 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,673 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,674 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,676 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,677 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,678 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,678 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,679 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,680 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,681 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,681 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,683 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,684 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,684 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,685 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,685 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,686 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,686 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,687 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,691 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,692 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,692 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,693 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,694 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,694 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,695 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,696 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,697 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,697 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,700 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,700 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,703 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,703 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,705 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,705 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,705 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,707 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,707 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,708 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,708 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,708 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,709 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,709 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,711 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,713 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,713 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,714 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,714 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,715 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,715 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,718 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,718 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,721 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,724 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,725 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,725 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,726 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,727 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,728 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,728 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,728 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,729 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,729 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,730 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,731 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,731 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,733 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,733 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,741 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,741 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,747 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,747 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,751 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,752 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,752 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,756 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,756 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,761 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,761 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,765 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,765 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,766 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,766 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,767 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,767 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,770 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,770 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,770 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,771 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,771 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,771 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:20:20,771 INFO L244 Elim1Store]: Index analysis took 103 ms [2022-01-29 02:20:21,497 INFO L354 Elim1Store]: treesize reduction 224, result has 74.1 percent of original size [2022-01-29 02:20:21,498 INFO L388 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 [2022-01-29 02:20:23,032 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 0 proven. 452 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:20:23,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [626588453] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:20:23,033 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:20:23,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 58, 58] total 155 [2022-01-29 02:20:23,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160393713] [2022-01-29 02:20:23,033 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:20:23,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 156 states [2022-01-29 02:20:23,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:20:23,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 156 interpolants. [2022-01-29 02:20:23,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2023, Invalid=22157, Unknown=0, NotChecked=0, Total=24180 [2022-01-29 02:20:23,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:20:23,036 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:20:23,037 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) [2022-01-29 02:20:23,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:20:23,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:20:23,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:20:23,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:20:23,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:20:23,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:20:23,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:20:23,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:20:23,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:20:23,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:20:23,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:20:23,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:20:23,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:20:23,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:20:23,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:20:23,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:20:23,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:20:23,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:20:23,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:20:23,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:20:23,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-29 02:20:23,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:20:23,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:20:26,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:20:26,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:20:26,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:20:26,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:20:26,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:20:26,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:20:26,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:20:26,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:20:26,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:20:26,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:20:26,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:20:26,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:20:26,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:20:26,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:20:26,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:20:26,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:20:26,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:20:26,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:20:26,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:20:26,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:20:26,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-29 02:20:26,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:20:26,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 02:20:26,364 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2022-01-29 02:20:26,548 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 [2022-01-29 02:20:26,548 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 02:20:26,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:20:26,548 INFO L85 PathProgramCache]: Analyzing trace with hash -886940917, now seen corresponding path program 22 times [2022-01-29 02:20:26,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:20:26,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737775928] [2022-01-29 02:20:26,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:20:26,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:20:26,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:20:26,913 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:20:26,914 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:20:26,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737775928] [2022-01-29 02:20:26,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737775928] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:20:26,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581945500] [2022-01-29 02:20:26,914 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-29 02:20:26,914 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:20:26,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:20:26,916 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) [2022-01-29 02:20:26,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-01-29 02:20:26,968 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-29 02:20:26,968 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:20:26,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 52 conjunts are in the unsatisfiable core [2022-01-29 02:20:26,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:20:27,234 INFO L388 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 [2022-01-29 02:20:27,245 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:20:27,245 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:20:27,616 INFO L354 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-01-29 02:20:27,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-01-29 02:20:27,744 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:20:27,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [581945500] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:20:27,745 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:20:27,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 40 [2022-01-29 02:20:27,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014010568] [2022-01-29 02:20:27,745 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:20:27,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-01-29 02:20:27,745 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:20:27,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-01-29 02:20:27,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=1548, Unknown=0, NotChecked=0, Total=1640 [2022-01-29 02:20:27,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:20:27,746 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:20:27,746 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) [2022-01-29 02:20:27,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:20:27,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:20:27,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:20:27,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:20:27,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:20:27,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:20:27,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:20:27,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:20:27,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:20:27,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:20:27,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:20:27,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:20:27,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:20:27,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:20:27,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:20:27,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:20:27,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:20:27,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:20:27,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:20:27,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:20:27,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-29 02:20:27,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:20:27,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 02:20:27,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:20:28,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:20:28,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:20:28,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:20:28,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:20:28,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:20:28,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:20:28,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:20:28,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:20:28,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:20:28,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:20:28,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:20:28,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:20:28,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:20:28,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:20:28,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:20:28,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:20:28,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:20:28,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:20:28,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:20:28,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:20:28,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-29 02:20:28,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:20:28,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 02:20:28,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:20:28,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2022-01-29 02:20:28,857 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 [2022-01-29 02:20:28,858 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 02:20:28,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:20:28,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1873500814, now seen corresponding path program 23 times [2022-01-29 02:20:28,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:20:28,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027149662] [2022-01-29 02:20:28,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:20:28,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:20:28,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:20:33,234 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 0 proven. 535 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:20:33,235 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:20:33,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027149662] [2022-01-29 02:20:33,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027149662] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:20:33,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1062270032] [2022-01-29 02:20:33,235 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-01-29 02:20:33,235 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:20:33,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:20:33,236 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) [2022-01-29 02:20:33,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-01-29 02:20:33,294 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2022-01-29 02:20:33,294 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:20:33,297 WARN L261 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 152 conjunts are in the unsatisfiable core [2022-01-29 02:20:33,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:20:38,831 INFO L354 Elim1Store]: treesize reduction 770, result has 0.1 percent of original size [2022-01-29 02:20:38,832 INFO L388 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 146 treesize of output 54 [2022-01-29 02:20:39,215 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 0 proven. 535 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:20:39,215 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:20:50,766 INFO L354 Elim1Store]: treesize reduction 1804, result has 44.0 percent of original size [2022-01-29 02:20:50,767 INFO L388 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 [2022-01-29 02:20:54,488 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 0 proven. 535 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:20:54,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1062270032] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:20:54,489 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:20:54,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [68, 56, 56] total 147 [2022-01-29 02:20:54,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789972143] [2022-01-29 02:20:54,489 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:20:54,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 148 states [2022-01-29 02:20:54,489 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:20:54,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 148 interpolants. [2022-01-29 02:20:54,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=533, Invalid=21223, Unknown=0, NotChecked=0, Total=21756 [2022-01-29 02:20:54,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:20:54,491 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:20:54,492 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) [2022-01-29 02:20:54,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:20:54,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:20:54,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:20:54,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:20:54,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:20:54,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:20:54,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:20:54,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:20:54,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:20:54,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:20:54,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:20:54,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:20:54,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:20:54,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:20:54,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:20:54,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:20:54,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:20:54,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:20:54,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:20:54,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:20:54,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-29 02:20:54,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:20:54,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 02:20:54,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:20:54,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:21:00,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:21:00,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:21:00,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:21:00,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:21:00,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:21:00,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:21:00,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:21:00,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:21:00,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:21:00,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:21:00,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:21:00,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:21:00,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:21:00,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:21:00,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:21:00,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:21:00,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:21:00,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:21:00,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:21:00,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:21:00,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-29 02:21:00,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:21:00,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 02:21:00,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:21:00,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-29 02:21:00,290 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2022-01-29 02:21:00,474 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 [2022-01-29 02:21:00,474 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 02:21:00,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:21:00,475 INFO L85 PathProgramCache]: Analyzing trace with hash 441236523, now seen corresponding path program 24 times [2022-01-29 02:21:00,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:21:00,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400442229] [2022-01-29 02:21:00,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:21:00,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:21:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:21:00,956 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 572 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:21:00,956 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:21:00,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400442229] [2022-01-29 02:21:00,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400442229] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:21:00,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581392697] [2022-01-29 02:21:00,957 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-01-29 02:21:00,957 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:21:00,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:21:00,958 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) [2022-01-29 02:21:00,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-01-29 02:21:01,023 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2022-01-29 02:21:01,024 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:21:01,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 56 conjunts are in the unsatisfiable core [2022-01-29 02:21:01,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:21:01,280 INFO L388 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 [2022-01-29 02:21:01,292 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 572 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:21:01,292 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:21:01,740 INFO L354 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-01-29 02:21:01,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-01-29 02:21:01,876 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 572 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:21:01,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581392697] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:21:01,877 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:21:01,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 43 [2022-01-29 02:21:01,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226005344] [2022-01-29 02:21:01,877 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:21:01,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-01-29 02:21:01,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:21:01,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-01-29 02:21:01,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=1793, Unknown=0, NotChecked=0, Total=1892 [2022-01-29 02:21:01,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:21:01,879 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:21:01,879 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) [2022-01-29 02:21:01,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:21:01,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:21:01,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:21:01,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:21:01,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:21:01,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:21:01,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:21:01,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:21:01,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:21:01,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:21:01,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:21:01,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:21:01,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:21:01,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:21:01,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:21:01,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:21:01,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:21:01,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:21:01,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:21:01,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:21:01,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-29 02:21:01,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:21:01,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 02:21:01,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:21:01,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-01-29 02:21:01,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:21:02,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:21:02,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:21:02,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:21:02,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:21:02,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:21:02,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:21:02,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:21:02,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:21:02,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:21:02,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:21:02,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:21:02,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:21:02,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:21:02,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:21:02,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:21:02,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:21:02,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:21:02,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:21:02,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:21:02,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:21:02,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-29 02:21:02,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:21:02,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 02:21:02,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:21:02,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-29 02:21:02,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-01-29 02:21:02,939 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2022-01-29 02:21:03,124 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 [2022-01-29 02:21:03,124 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 02:21:03,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:21:03,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1921002414, now seen corresponding path program 25 times [2022-01-29 02:21:03,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:21:03,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29015088] [2022-01-29 02:21:03,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:21:03,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:21:03,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:21:08,241 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 0 proven. 625 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:21:08,242 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:21:08,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29015088] [2022-01-29 02:21:08,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29015088] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:21:08,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [257892190] [2022-01-29 02:21:08,242 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-01-29 02:21:08,242 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:21:08,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:21:08,244 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) [2022-01-29 02:21:08,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2022-01-29 02:21:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:21:08,292 WARN L261 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 166 conjunts are in the unsatisfiable core [2022-01-29 02:21:08,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:21:14,810 INFO L354 Elim1Store]: treesize reduction 936, result has 0.1 percent of original size [2022-01-29 02:21:14,810 INFO L388 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 162 treesize of output 58 [2022-01-29 02:21:15,221 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 0 proven. 625 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:21:15,221 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:21:29,514 WARN L227 SmtUtils]: Spent 5.16s on a formula simplification. DAG size of input: 1365 DAG size of output: 741 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-01-29 02:21:29,516 INFO L354 Elim1Store]: treesize reduction 2136, result has 43.8 percent of original size [2022-01-29 02:21:29,519 INFO L388 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 [2022-01-29 02:21:33,089 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 0 proven. 625 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:21:33,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [257892190] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:21:33,089 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:21:33,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [73, 60, 60] total 158 [2022-01-29 02:21:33,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339774022] [2022-01-29 02:21:33,089 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:21:33,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 159 states [2022-01-29 02:21:33,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:21:33,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 159 interpolants. [2022-01-29 02:21:33,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=572, Invalid=24550, Unknown=0, NotChecked=0, Total=25122 [2022-01-29 02:21:33,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:21:33,094 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:21:33,095 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) [2022-01-29 02:21:33,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:21:33,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:21:33,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:21:33,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:21:33,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:21:33,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:21:33,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:21:33,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:21:33,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:21:33,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:21:33,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:21:33,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:21:33,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:21:33,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:21:33,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:21:33,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:21:33,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:21:33,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:21:33,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:21:33,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:21:33,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-29 02:21:33,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:21:33,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 02:21:33,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:21:33,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-01-29 02:21:33,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-01-29 02:21:33,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:21:40,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:21:40,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:21:40,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:21:40,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:21:40,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:21:40,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:21:40,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:21:40,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:21:40,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:21:40,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:21:40,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:21:40,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:21:40,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:21:40,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:21:40,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:21:40,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:21:40,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:21:40,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:21:40,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:21:40,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:21:40,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-29 02:21:40,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:21:40,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 02:21:40,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:21:40,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-29 02:21:40,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-01-29 02:21:40,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-29 02:21:40,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2022-01-29 02:21:40,521 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 [2022-01-29 02:21:40,521 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 02:21:40,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:21:40,522 INFO L85 PathProgramCache]: Analyzing trace with hash -942133391, now seen corresponding path program 26 times [2022-01-29 02:21:40,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:21:40,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069641258] [2022-01-29 02:21:40,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:21:40,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:21:40,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:21:41,005 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 0 proven. 665 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:21:41,006 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:21:41,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069641258] [2022-01-29 02:21:41,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069641258] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:21:41,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2128566927] [2022-01-29 02:21:41,006 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-29 02:21:41,006 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:21:41,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:21:41,007 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) [2022-01-29 02:21:41,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2022-01-29 02:21:41,061 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-29 02:21:41,061 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:21:41,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 60 conjunts are in the unsatisfiable core [2022-01-29 02:21:41,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:21:41,320 INFO L388 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 [2022-01-29 02:21:41,331 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 0 proven. 665 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:21:41,331 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:21:41,817 INFO L354 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-01-29 02:21:41,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-01-29 02:21:41,978 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 0 proven. 665 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:21:41,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2128566927] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:21:41,979 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:21:41,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 46 [2022-01-29 02:21:41,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377853017] [2022-01-29 02:21:41,979 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:21:41,979 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2022-01-29 02:21:41,979 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:21:41,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2022-01-29 02:21:41,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=2056, Unknown=0, NotChecked=0, Total=2162 [2022-01-29 02:21:41,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:21:41,980 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:21:41,980 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) [2022-01-29 02:21:41,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:21:41,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:21:41,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:21:41,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:21:41,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:21:41,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:21:41,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:21:41,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:21:41,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:21:41,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:21:41,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:21:41,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:21:41,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:21:41,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:21:41,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:21:41,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:21:41,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:21:41,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:21:41,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:21:41,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:21:41,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-29 02:21:41,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:21:41,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 02:21:41,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:21:41,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-01-29 02:21:41,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-01-29 02:21:41,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-01-29 02:21:41,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:21:43,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:21:43,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:21:43,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:21:43,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:21:43,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:21:43,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:21:43,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:21:43,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:21:43,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:21:43,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:21:43,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:21:43,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:21:43,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:21:43,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:21:43,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:21:43,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:21:43,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:21:43,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:21:43,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:21:43,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:21:43,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-29 02:21:43,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:21:43,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 02:21:43,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:21:43,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-29 02:21:43,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-01-29 02:21:43,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-29 02:21:43,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-01-29 02:21:43,132 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2022-01-29 02:21:43,315 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 [2022-01-29 02:21:43,315 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 02:21:43,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:21:43,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1158378508, now seen corresponding path program 27 times [2022-01-29 02:21:43,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:21:43,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374397060] [2022-01-29 02:21:43,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:21:43,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:21:43,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:21:49,098 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 0 proven. 722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:21:49,098 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:21:49,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374397060] [2022-01-29 02:21:49,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374397060] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:21:49,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [921104919] [2022-01-29 02:21:49,099 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-29 02:21:49,099 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:21:49,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:21:49,100 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) [2022-01-29 02:21:49,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2022-01-29 02:21:49,155 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2022-01-29 02:21:49,155 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:21:49,157 WARN L261 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 180 conjunts are in the unsatisfiable core [2022-01-29 02:21:49,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:22:00,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:00,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:22:00,814 INFO L354 Elim1Store]: treesize reduction 131, result has 7.1 percent of original size [2022-01-29 02:22:00,814 INFO L388 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 170 treesize of output 72 [2022-01-29 02:22:01,570 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 0 proven. 722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:22:01,570 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:22:17,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,209 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,209 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,210 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,210 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,210 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,215 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,215 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,215 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,216 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,218 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,218 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,221 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,224 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,224 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,226 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,227 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,227 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,227 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,230 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,230 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,230 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,237 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,237 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,237 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,240 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,243 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,243 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,244 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,244 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,245 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,245 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,247 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,250 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,264 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,264 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,268 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,268 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,268 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,271 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,272 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,274 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,274 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,280 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,282 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,282 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,283 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,286 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,290 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,291 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,291 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,291 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,292 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,292 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,292 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,293 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,293 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,293 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,294 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,294 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,296 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,297 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,297 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,298 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,298 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,299 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,299 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,299 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,301 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,311 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,311 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,311 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,313 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,315 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,316 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,317 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,317 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,317 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,317 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,319 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,320 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,321 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,321 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,322 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,322 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,322 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,323 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,327 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,327 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,328 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,328 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,328 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,329 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,329 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,329 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,333 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,337 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,338 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,339 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,339 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,341 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,343 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,344 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,344 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,344 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,345 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,346 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,346 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,347 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,347 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,347 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,347 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,348 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,348 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,350 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,350 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,351 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,353 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,353 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,354 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,354 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,354 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,355 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,355 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,356 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,356 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,356 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,357 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,358 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,360 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,360 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,360 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,361 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:22:17,364 INFO L244 Elim1Store]: Index analysis took 156 ms [2022-01-29 02:22:18,833 INFO L354 Elim1Store]: treesize reduction 332, result has 75.5 percent of original size [2022-01-29 02:22:18,834 INFO L388 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 [2022-01-29 02:22:20,910 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 0 proven. 722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:22:20,910 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [921104919] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:22:20,910 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:22:20,910 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [78, 66, 66] total 180 [2022-01-29 02:22:20,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287448712] [2022-01-29 02:22:20,910 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:22:20,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 181 states [2022-01-29 02:22:20,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:22:20,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2022-01-29 02:22:20,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2554, Invalid=30026, Unknown=0, NotChecked=0, Total=32580 [2022-01-29 02:22:20,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:22:20,913 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:22:20,914 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) [2022-01-29 02:22:20,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:22:20,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:22:20,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:22:20,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:22:20,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:22:20,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:22:20,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:22:20,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:22:20,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:22:20,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:22:20,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:22:20,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:22:20,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:22:20,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:22:20,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:22:20,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:22:20,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:22:20,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:22:20,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:22:20,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:22:20,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-29 02:22:20,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:22:20,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 02:22:20,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:22:20,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-01-29 02:22:20,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-01-29 02:22:20,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-01-29 02:22:20,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-01-29 02:22:20,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:22:24,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:22:24,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:22:24,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:22:24,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:22:24,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:22:24,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:22:24,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:22:24,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:22:24,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:22:24,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:22:24,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:22:24,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:22:24,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:22:24,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:22:24,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:22:24,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:22:24,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:22:24,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:22:24,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:22:24,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:22:24,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-29 02:22:24,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:22:24,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 02:22:24,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:22:24,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-29 02:22:24,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-01-29 02:22:24,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-29 02:22:24,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-01-29 02:22:24,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 02:22:24,294 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2022-01-29 02:22:24,478 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 [2022-01-29 02:22:24,479 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 02:22:24,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:22:24,479 INFO L85 PathProgramCache]: Analyzing trace with hash -156739887, now seen corresponding path program 28 times [2022-01-29 02:22:24,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:22:24,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071948069] [2022-01-29 02:22:24,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:22:24,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:22:24,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:22:25,006 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 0 proven. 765 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:22:25,006 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:22:25,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071948069] [2022-01-29 02:22:25,007 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071948069] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:22:25,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787321635] [2022-01-29 02:22:25,007 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-29 02:22:25,007 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:22:25,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:22:25,008 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) [2022-01-29 02:22:25,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2022-01-29 02:22:25,065 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-29 02:22:25,065 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:22:25,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 64 conjunts are in the unsatisfiable core [2022-01-29 02:22:25,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:22:25,349 INFO L388 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 [2022-01-29 02:22:25,361 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 0 proven. 765 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:22:25,361 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:22:25,884 INFO L354 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-01-29 02:22:25,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-01-29 02:22:26,071 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 0 proven. 765 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:22:26,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1787321635] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:22:26,071 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:22:26,071 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 49 [2022-01-29 02:22:26,071 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615229814] [2022-01-29 02:22:26,071 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:22:26,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-01-29 02:22:26,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:22:26,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-01-29 02:22:26,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=2337, Unknown=0, NotChecked=0, Total=2450 [2022-01-29 02:22:26,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:22:26,072 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:22:26,073 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) [2022-01-29 02:22:26,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:22:26,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:22:26,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:22:26,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:22:26,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:22:26,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:22:26,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:22:26,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:22:26,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:22:26,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:22:26,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:22:26,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:22:26,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:22:26,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:22:26,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:22:26,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:22:26,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:22:26,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:22:26,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:22:26,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:22:26,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-29 02:22:26,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:22:26,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 02:22:26,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:22:26,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-01-29 02:22:26,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-01-29 02:22:26,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-01-29 02:22:26,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-01-29 02:22:26,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 02:22:26,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:22:27,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:22:27,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:22:27,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:22:27,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:22:27,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:22:27,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:22:27,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:22:27,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:22:27,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:22:27,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:22:27,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:22:27,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:22:27,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:22:27,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:22:27,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:22:27,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:22:27,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:22:27,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:22:27,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:22:27,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:22:27,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-29 02:22:27,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:22:27,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 02:22:27,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:22:27,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-29 02:22:27,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-01-29 02:22:27,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-29 02:22:27,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-01-29 02:22:27,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 02:22:27,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:22:27,400 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2022-01-29 02:22:27,582 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 [2022-01-29 02:22:27,582 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 02:22:27,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:22:27,583 INFO L85 PathProgramCache]: Analyzing trace with hash 748815188, now seen corresponding path program 29 times [2022-01-29 02:22:27,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:22:27,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142575155] [2022-01-29 02:22:27,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:22:27,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:22:27,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:22:34,254 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 0 proven. 826 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:22:34,254 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:22:34,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142575155] [2022-01-29 02:22:34,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142575155] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:22:34,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558405334] [2022-01-29 02:22:34,254 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-01-29 02:22:34,254 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:22:34,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:22:34,255 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) [2022-01-29 02:22:34,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2022-01-29 02:22:34,321 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2022-01-29 02:22:34,322 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:22:34,324 WARN L261 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 188 conjunts are in the unsatisfiable core [2022-01-29 02:22:34,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:22:43,155 INFO L354 Elim1Store]: treesize reduction 1232, result has 0.1 percent of original size [2022-01-29 02:22:43,156 INFO L388 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 182 treesize of output 66 [2022-01-29 02:22:43,615 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 0 proven. 826 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:22:43,615 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:23:04,922 WARN L227 SmtUtils]: Spent 8.71s on a formula simplification. DAG size of input: 1815 DAG size of output: 975 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-01-29 02:23:04,924 INFO L354 Elim1Store]: treesize reduction 2884, result has 43.5 percent of original size [2022-01-29 02:23:04,925 INFO L388 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 [2022-01-29 02:23:11,714 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 0 proven. 826 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:23:11,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558405334] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:23:11,715 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:23:11,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [83, 68, 68] total 180 [2022-01-29 02:23:11,715 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036888775] [2022-01-29 02:23:11,715 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:23:11,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 181 states [2022-01-29 02:23:11,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:23:11,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2022-01-29 02:23:11,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=650, Invalid=31930, Unknown=0, NotChecked=0, Total=32580 [2022-01-29 02:23:11,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:23:11,718 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:23:11,718 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) [2022-01-29 02:23:11,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:23:11,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:23:11,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:23:11,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:23:11,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:23:11,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:23:11,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:23:11,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:23:11,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:23:11,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:23:11,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:23:11,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:23:11,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:23:11,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:23:11,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:23:11,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:23:11,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:23:11,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:23:11,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:23:11,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:23:11,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-29 02:23:11,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:23:11,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 02:23:11,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:23:11,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-01-29 02:23:11,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-01-29 02:23:11,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-01-29 02:23:11,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-01-29 02:23:11,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 02:23:11,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:23:11,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:23:21,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:23:21,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:23:21,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:23:21,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:23:21,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:23:21,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:23:21,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:23:21,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:23:21,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:23:21,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:23:21,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:23:21,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:23:21,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:23:21,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:23:21,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:23:21,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:23:21,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:23:21,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:23:21,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:23:21,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:23:21,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-29 02:23:21,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:23:21,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 02:23:21,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:23:21,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-29 02:23:21,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-01-29 02:23:21,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-29 02:23:21,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-01-29 02:23:21,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 02:23:21,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:23:21,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-29 02:23:21,045 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2022-01-29 02:23:21,231 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 [2022-01-29 02:23:21,231 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 02:23:21,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:23:21,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1281013207, now seen corresponding path program 30 times [2022-01-29 02:23:21,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:23:21,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931102467] [2022-01-29 02:23:21,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:23:21,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:23:21,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:23:21,814 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 0 proven. 872 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:23:21,814 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:23:21,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931102467] [2022-01-29 02:23:21,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931102467] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:23:21,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [326066986] [2022-01-29 02:23:21,815 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-01-29 02:23:21,815 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:23:21,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:23:21,816 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) [2022-01-29 02:23:21,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2022-01-29 02:23:21,872 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2022-01-29 02:23:21,872 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:23:21,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 68 conjunts are in the unsatisfiable core [2022-01-29 02:23:21,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:23:22,161 INFO L388 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 [2022-01-29 02:23:22,172 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 0 proven. 872 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:23:22,172 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:23:22,746 INFO L354 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-01-29 02:23:22,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-01-29 02:23:22,917 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 0 proven. 872 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:23:22,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [326066986] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:23:22,917 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:23:22,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35, 35] total 52 [2022-01-29 02:23:22,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880616297] [2022-01-29 02:23:22,917 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:23:22,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2022-01-29 02:23:22,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:23:22,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-01-29 02:23:22,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=2636, Unknown=0, NotChecked=0, Total=2756 [2022-01-29 02:23:22,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:23:22,918 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:23:22,919 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) [2022-01-29 02:23:22,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:23:22,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:23:22,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:23:22,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:23:22,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:23:22,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:23:22,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:23:22,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:23:22,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:23:22,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:23:22,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:23:22,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:23:22,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:23:22,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:23:22,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:23:22,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:23:22,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:23:22,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:23:22,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:23:22,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:23:22,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-29 02:23:22,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:23:22,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 02:23:22,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:23:22,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-01-29 02:23:22,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-01-29 02:23:22,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-01-29 02:23:22,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-01-29 02:23:22,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 02:23:22,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:23:22,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-01-29 02:23:22,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:23:24,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:23:24,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:23:24,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:23:24,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:23:24,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:23:24,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:23:24,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:23:24,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:23:24,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:23:24,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:23:24,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:23:24,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:23:24,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:23:24,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:23:24,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:23:24,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:23:24,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:23:24,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:23:24,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:23:24,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:23:24,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-29 02:23:24,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:23:24,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 02:23:24,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:23:24,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-29 02:23:24,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-01-29 02:23:24,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-29 02:23:24,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-01-29 02:23:24,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 02:23:24,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:23:24,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-29 02:23:24,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 02:23:24,440 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2022-01-29 02:23:24,624 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 [2022-01-29 02:23:24,624 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 02:23:24,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:23:24,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1805553830, now seen corresponding path program 31 times [2022-01-29 02:23:24,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:23:24,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938211163] [2022-01-29 02:23:24,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:23:24,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:23:24,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:23:32,188 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 0 proven. 937 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:23:32,189 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:23:32,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938211163] [2022-01-29 02:23:32,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938211163] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:23:32,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532729531] [2022-01-29 02:23:32,189 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-01-29 02:23:32,189 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:23:32,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:23:32,190 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) [2022-01-29 02:23:32,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2022-01-29 02:23:32,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:23:32,242 WARN L261 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 202 conjunts are in the unsatisfiable core [2022-01-29 02:23:32,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:23:42,382 INFO L354 Elim1Store]: treesize reduction 1440, result has 0.1 percent of original size [2022-01-29 02:23:42,383 INFO L388 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 198 treesize of output 70 [2022-01-29 02:23:42,878 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 0 proven. 937 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:23:42,879 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:24:08,748 WARN L227 SmtUtils]: Spent 11.15s on a formula simplification. DAG size of input: 2064 DAG size of output: 1104 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-01-29 02:24:08,750 INFO L354 Elim1Store]: treesize reduction 3300, result has 43.4 percent of original size [2022-01-29 02:24:08,751 INFO L388 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 [2022-01-29 02:24:20,551 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 0 proven. 937 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:24:20,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [532729531] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:24:20,552 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:24:20,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [88, 72, 72] total 191 [2022-01-29 02:24:20,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158382922] [2022-01-29 02:24:20,552 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:24:20,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2022-01-29 02:24:20,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:24:20,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2022-01-29 02:24:20,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=689, Invalid=35983, Unknown=0, NotChecked=0, Total=36672 [2022-01-29 02:24:20,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:24:20,556 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:24:20,556 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) [2022-01-29 02:24:20,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:24:20,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:24:20,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:24:20,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:24:20,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:24:20,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:24:20,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:24:20,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:24:20,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:24:20,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:24:20,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:24:20,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:24:20,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:24:20,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:24:20,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:24:20,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:24:20,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:24:20,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:24:20,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:24:20,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:24:20,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-29 02:24:20,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:24:20,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 02:24:20,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:24:20,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-01-29 02:24:20,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-01-29 02:24:20,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-01-29 02:24:20,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-01-29 02:24:20,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 02:24:20,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:24:20,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-01-29 02:24:20,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 02:24:20,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:24:30,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:24:30,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:24:30,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:24:30,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:24:30,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:24:30,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:24:30,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:24:30,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:24:30,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:24:30,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:24:30,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:24:30,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:24:30,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:24:30,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:24:30,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:24:30,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:24:30,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:24:30,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:24:30,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:24:30,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:24:30,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-29 02:24:30,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:24:30,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 02:24:30,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:24:30,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-29 02:24:30,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-01-29 02:24:30,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-29 02:24:30,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-01-29 02:24:30,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 02:24:30,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:24:30,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-29 02:24:30,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 02:24:30,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-29 02:24:30,846 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2022-01-29 02:24:31,028 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 [2022-01-29 02:24:31,028 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 02:24:31,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:24:31,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1894354057, now seen corresponding path program 32 times [2022-01-29 02:24:31,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:24:31,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476604724] [2022-01-29 02:24:31,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:24:31,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:24:31,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:24:31,696 INFO L134 CoverageAnalysis]: Checked inductivity of 986 backedges. 0 proven. 986 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:24:31,696 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:24:31,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476604724] [2022-01-29 02:24:31,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476604724] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:24:31,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600592766] [2022-01-29 02:24:31,697 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-29 02:24:31,697 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:24:31,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:24:31,698 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) [2022-01-29 02:24:31,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2022-01-29 02:24:31,755 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-29 02:24:31,755 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:24:31,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 72 conjunts are in the unsatisfiable core [2022-01-29 02:24:31,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:24:32,093 INFO L388 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 [2022-01-29 02:24:32,104 INFO L134 CoverageAnalysis]: Checked inductivity of 986 backedges. 0 proven. 986 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:24:32,104 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:24:32,741 INFO L354 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-01-29 02:24:32,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-01-29 02:24:32,922 INFO L134 CoverageAnalysis]: Checked inductivity of 986 backedges. 0 proven. 986 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:24:32,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [600592766] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:24:32,922 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:24:32,922 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 37] total 55 [2022-01-29 02:24:32,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675371168] [2022-01-29 02:24:32,923 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:24:32,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2022-01-29 02:24:32,923 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:24:32,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2022-01-29 02:24:32,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=2953, Unknown=0, NotChecked=0, Total=3080 [2022-01-29 02:24:32,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:24:32,924 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:24:32,924 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) [2022-01-29 02:24:32,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:24:32,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:24:32,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:24:32,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:24:32,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:24:32,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:24:32,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:24:32,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:24:32,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:24:32,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:24:32,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:24:32,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:24:32,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:24:32,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:24:32,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:24:32,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:24:32,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:24:32,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:24:32,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:24:32,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:24:32,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-29 02:24:32,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:24:32,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 02:24:32,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:24:32,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-01-29 02:24:32,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-01-29 02:24:32,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-01-29 02:24:32,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-01-29 02:24:32,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 02:24:32,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:24:32,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-01-29 02:24:32,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 02:24:32,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-01-29 02:24:32,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:24:34,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:24:34,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:24:34,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:24:34,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:24:34,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:24:34,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:24:34,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:24:34,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:24:34,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:24:34,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:24:34,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:24:34,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:24:34,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:24:34,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:24:34,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:24:34,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:24:34,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:24:34,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:24:34,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:24:34,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:24:34,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-29 02:24:34,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:24:34,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 02:24:34,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:24:34,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-29 02:24:34,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-01-29 02:24:34,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-29 02:24:34,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-01-29 02:24:34,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 02:24:34,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:24:34,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-29 02:24:34,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 02:24:34,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-29 02:24:34,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-01-29 02:24:34,576 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2022-01-29 02:24:34,761 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 [2022-01-29 02:24:34,761 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 02:24:34,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:24:34,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1908759802, now seen corresponding path program 33 times [2022-01-29 02:24:34,761 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:24:34,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552163166] [2022-01-29 02:24:34,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:24:34,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:24:34,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:24:43,412 INFO L134 CoverageAnalysis]: Checked inductivity of 1055 backedges. 0 proven. 1055 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:24:43,412 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:24:43,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552163166] [2022-01-29 02:24:43,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552163166] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:24:43,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2090752112] [2022-01-29 02:24:43,413 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-29 02:24:43,413 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:24:43,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:24:43,414 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) [2022-01-29 02:24:43,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2022-01-29 02:24:43,475 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2022-01-29 02:24:43,475 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:24:43,478 WARN L261 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 212 conjunts are in the unsatisfiable core [2022-01-29 02:24:43,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:24:55,228 INFO L354 Elim1Store]: treesize reduction 1600, result has 0.1 percent of original size [2022-01-29 02:24:55,228 INFO L388 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 206 treesize of output 74 [2022-01-29 02:24:55,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1055 backedges. 0 proven. 1055 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:24:55,753 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:25:26,818 WARN L227 SmtUtils]: Spent 13.94s on a formula simplification. DAG size of input: 2329 DAG size of output: 1241 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-01-29 02:25:26,821 INFO L354 Elim1Store]: treesize reduction 3744, result has 43.3 percent of original size [2022-01-29 02:25:26,822 INFO L388 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 [2022-01-29 02:25:38,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1055 backedges. 0 proven. 1055 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:25:38,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2090752112] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:25:38,938 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:25:38,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [93, 76, 76] total 202 [2022-01-29 02:25:38,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129630194] [2022-01-29 02:25:38,938 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:25:38,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 203 states [2022-01-29 02:25:38,939 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:25:38,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 203 interpolants. [2022-01-29 02:25:38,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=728, Invalid=40278, Unknown=0, NotChecked=0, Total=41006 [2022-01-29 02:25:38,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:25:38,942 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:25:38,942 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) [2022-01-29 02:25:38,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:25:38,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:25:38,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:25:38,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:25:38,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:25:38,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:25:38,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:25:38,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:25:38,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:25:38,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:25:38,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:25:38,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:25:38,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:25:38,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:25:38,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:25:38,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:25:38,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:25:38,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:25:38,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:25:38,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:25:38,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-29 02:25:38,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:25:38,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 02:25:38,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:25:38,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-01-29 02:25:38,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-01-29 02:25:38,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-01-29 02:25:38,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-01-29 02:25:38,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 02:25:38,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:25:38,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-01-29 02:25:38,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 02:25:38,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-01-29 02:25:38,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-01-29 02:25:38,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:25:52,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:25:52,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:25:52,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:25:52,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:25:52,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:25:52,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:25:52,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:25:52,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:25:52,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:25:52,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:25:52,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:25:52,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:25:52,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:25:52,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:25:52,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:25:52,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:25:52,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:25:52,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:25:52,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:25:52,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:25:52,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-29 02:25:52,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:25:52,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 02:25:52,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:25:52,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-29 02:25:52,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-01-29 02:25:52,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-29 02:25:52,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-01-29 02:25:52,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 02:25:52,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:25:52,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-29 02:25:52,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 02:25:52,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-29 02:25:52,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-01-29 02:25:52,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-29 02:25:52,370 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2022-01-29 02:25:52,553 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 [2022-01-29 02:25:52,553 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 02:25:52,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:25:52,553 INFO L85 PathProgramCache]: Analyzing trace with hash 983952957, now seen corresponding path program 34 times [2022-01-29 02:25:52,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:25:52,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470683205] [2022-01-29 02:25:52,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:25:52,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:25:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:25:53,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 1107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:25:53,322 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:25:53,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470683205] [2022-01-29 02:25:53,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470683205] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:25:53,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966392761] [2022-01-29 02:25:53,322 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-29 02:25:53,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:25:53,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:25:53,323 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) [2022-01-29 02:25:53,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2022-01-29 02:25:53,383 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-29 02:25:53,384 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:25:53,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 76 conjunts are in the unsatisfiable core [2022-01-29 02:25:53,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:25:53,727 INFO L388 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 [2022-01-29 02:25:53,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 1107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:25:53,738 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:25:54,441 INFO L354 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-01-29 02:25:54,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-01-29 02:25:54,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 1107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:25:54,641 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966392761] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:25:54,641 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:25:54,642 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39, 39] total 58 [2022-01-29 02:25:54,642 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540249734] [2022-01-29 02:25:54,642 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:25:54,642 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2022-01-29 02:25:54,642 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:25:54,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2022-01-29 02:25:54,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=3288, Unknown=0, NotChecked=0, Total=3422 [2022-01-29 02:25:54,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:25:54,643 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:25:54,643 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) [2022-01-29 02:25:54,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:25:54,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:25:54,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:25:54,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:25:54,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:25:54,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:25:54,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:25:54,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:25:54,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:25:54,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:25:54,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:25:54,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:25:54,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:25:54,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:25:54,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:25:54,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:25:54,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:25:54,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:25:54,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:25:54,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:25:54,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-29 02:25:54,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:25:54,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 02:25:54,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:25:54,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-01-29 02:25:54,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-01-29 02:25:54,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-01-29 02:25:54,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-01-29 02:25:54,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 02:25:54,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:25:54,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-01-29 02:25:54,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 02:25:54,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-01-29 02:25:54,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-01-29 02:25:54,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-01-29 02:25:54,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:25:56,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:25:56,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:25:56,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:25:56,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:25:56,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:25:56,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:25:56,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:25:56,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:25:56,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:25:56,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:25:56,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:25:56,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:25:56,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:25:56,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:25:56,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:25:56,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:25:56,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:25:56,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:25:56,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:25:56,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:25:56,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-29 02:25:56,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:25:56,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 02:25:56,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:25:56,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-29 02:25:56,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-01-29 02:25:56,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-29 02:25:56,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-01-29 02:25:56,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 02:25:56,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:25:56,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-29 02:25:56,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 02:25:56,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-29 02:25:56,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-01-29 02:25:56,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-29 02:25:56,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-01-29 02:25:56,469 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2022-01-29 02:25:56,653 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 [2022-01-29 02:25:56,653 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 02:25:56,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:25:56,653 INFO L85 PathProgramCache]: Analyzing trace with hash 2146305216, now seen corresponding path program 35 times [2022-01-29 02:25:56,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:25:56,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600325051] [2022-01-29 02:25:56,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:25:56,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:25:56,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:26:06,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1180 backedges. 0 proven. 1180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:26:06,266 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:26:06,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600325051] [2022-01-29 02:26:06,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600325051] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:26:06,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1378858853] [2022-01-29 02:26:06,267 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-01-29 02:26:06,267 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:26:06,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:26:06,268 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) [2022-01-29 02:26:06,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2022-01-29 02:26:06,331 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) [2022-01-29 02:26:06,332 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:26:06,335 WARN L261 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 224 conjunts are in the unsatisfiable core [2022-01-29 02:26:06,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:26:19,649 INFO L354 Elim1Store]: treesize reduction 1802, result has 0.1 percent of original size [2022-01-29 02:26:19,649 INFO L388 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 218 treesize of output 78 [2022-01-29 02:26:20,207 INFO L134 CoverageAnalysis]: Checked inductivity of 1180 backedges. 0 proven. 1180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:26:20,207 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:26:57,005 WARN L227 SmtUtils]: Spent 17.30s on a formula simplification. DAG size of input: 2610 DAG size of output: 1386 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-01-29 02:26:57,008 INFO L354 Elim1Store]: treesize reduction 4216, result has 43.2 percent of original size [2022-01-29 02:26:57,009 INFO L388 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 [2022-01-29 02:27:13,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1180 backedges. 0 proven. 1180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:27:13,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1378858853] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:27:13,644 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:27:13,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [98, 80, 80] total 213 [2022-01-29 02:27:13,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38309117] [2022-01-29 02:27:13,644 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:27:13,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 214 states [2022-01-29 02:27:13,644 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:27:13,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 214 interpolants. [2022-01-29 02:27:13,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=767, Invalid=44815, Unknown=0, NotChecked=0, Total=45582 [2022-01-29 02:27:13,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:27:13,647 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:27:13,648 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) [2022-01-29 02:27:13,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:27:13,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:27:13,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:27:13,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:27:13,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:27:13,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:27:13,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:27:13,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:27:13,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:27:13,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:27:13,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:27:13,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:27:13,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:27:13,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:27:13,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:27:13,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:27:13,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:27:13,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:27:13,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:27:13,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:27:13,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-29 02:27:13,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:27:13,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 02:27:13,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:27:13,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-01-29 02:27:13,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-01-29 02:27:13,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-01-29 02:27:13,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-01-29 02:27:13,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 02:27:13,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:27:13,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-01-29 02:27:13,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 02:27:13,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-01-29 02:27:13,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-01-29 02:27:13,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-01-29 02:27:13,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-01-29 02:27:13,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:27:28,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:27:28,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:27:28,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:27:28,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:27:28,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:27:28,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:27:28,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:27:28,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:27:28,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:27:28,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:27:28,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:27:28,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:27:28,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:27:28,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:27:28,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:27:28,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:27:28,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:27:28,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:27:28,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:27:28,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:27:28,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-29 02:27:28,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:27:28,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 02:27:28,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:27:28,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-29 02:27:28,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-01-29 02:27:28,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-29 02:27:28,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-01-29 02:27:28,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 02:27:28,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:27:28,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-29 02:27:28,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 02:27:28,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-29 02:27:28,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-01-29 02:27:28,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-29 02:27:28,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-01-29 02:27:28,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-29 02:27:28,776 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2022-01-29 02:27:28,960 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 [2022-01-29 02:27:28,961 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 02:27:28,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:27:28,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1251536355, now seen corresponding path program 36 times [2022-01-29 02:27:28,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:27:28,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512268272] [2022-01-29 02:27:28,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:27:28,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:27:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:27:29,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1235 backedges. 0 proven. 1235 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:27:29,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:27:29,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512268272] [2022-01-29 02:27:29,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512268272] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:27:29,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [993736830] [2022-01-29 02:27:29,763 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-01-29 02:27:29,763 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:27:29,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:27:29,764 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) [2022-01-29 02:27:29,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2022-01-29 02:27:29,827 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2022-01-29 02:27:29,827 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:27:29,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 82 conjunts are in the unsatisfiable core [2022-01-29 02:27:29,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:27:30,165 INFO L388 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 [2022-01-29 02:27:30,176 INFO L134 CoverageAnalysis]: Checked inductivity of 1235 backedges. 0 proven. 1235 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:27:30,176 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:27:30,938 INFO L354 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-01-29 02:27:30,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-01-29 02:27:31,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1235 backedges. 0 proven. 1235 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:27:31,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [993736830] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:27:31,139 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:27:31,139 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41, 41] total 61 [2022-01-29 02:27:31,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284130185] [2022-01-29 02:27:31,139 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:27:31,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2022-01-29 02:27:31,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:27:31,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2022-01-29 02:27:31,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=3641, Unknown=0, NotChecked=0, Total=3782 [2022-01-29 02:27:31,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:27:31,141 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:27:31,141 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) [2022-01-29 02:27:31,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:27:31,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:27:31,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:27:31,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:27:31,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:27:31,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:27:31,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:27:31,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:27:31,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:27:31,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:27:31,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:27:31,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:27:31,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:27:31,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:27:31,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:27:31,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:27:31,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:27:31,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:27:31,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:27:31,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:27:31,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-29 02:27:31,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:27:31,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 02:27:31,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:27:31,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-01-29 02:27:31,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-01-29 02:27:31,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-01-29 02:27:31,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-01-29 02:27:31,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 02:27:31,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:27:31,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-01-29 02:27:31,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 02:27:31,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-01-29 02:27:31,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-01-29 02:27:31,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-01-29 02:27:31,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-01-29 02:27:31,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-01-29 02:27:31,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:27:33,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:27:33,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:27:33,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:27:33,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:27:33,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:27:33,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:27:33,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:27:33,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:27:33,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:27:33,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:27:33,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:27:33,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:27:33,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:27:33,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:27:33,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:27:33,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:27:33,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:27:33,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:27:33,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:27:33,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:27:33,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-29 02:27:33,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:27:33,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 02:27:33,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:27:33,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-29 02:27:33,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-01-29 02:27:33,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-29 02:27:33,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-01-29 02:27:33,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 02:27:33,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:27:33,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-29 02:27:33,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 02:27:33,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-29 02:27:33,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-01-29 02:27:33,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-29 02:27:33,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-01-29 02:27:33,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-29 02:27:33,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 02:27:33,244 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2022-01-29 02:27:33,426 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 [2022-01-29 02:27:33,426 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 02:27:33,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:27:33,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1413859168, now seen corresponding path program 37 times [2022-01-29 02:27:33,427 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:27:33,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635242619] [2022-01-29 02:27:33,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:27:33,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:27:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:27:44,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1312 backedges. 0 proven. 1312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:27:44,258 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:27:44,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635242619] [2022-01-29 02:27:44,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635242619] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:27:44,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [337874499] [2022-01-29 02:27:44,258 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-01-29 02:27:44,258 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:27:44,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:27:44,259 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) [2022-01-29 02:27:44,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2022-01-29 02:27:44,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:27:44,330 WARN L261 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 238 conjunts are in the unsatisfiable core [2022-01-29 02:27:44,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:27:59,469 INFO L354 Elim1Store]: treesize reduction 2052, result has 0.0 percent of original size [2022-01-29 02:27:59,470 INFO L388 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 234 treesize of output 82 [2022-01-29 02:28:00,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1312 backedges. 0 proven. 1312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:28:00,064 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:28:43,613 WARN L227 SmtUtils]: Spent 21.29s on a formula simplification. DAG size of input: 2907 DAG size of output: 1539 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-01-29 02:28:43,616 INFO L354 Elim1Store]: treesize reduction 4716, result has 43.1 percent of original size [2022-01-29 02:28:43,617 INFO L388 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 [2022-01-29 02:28:57,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1312 backedges. 0 proven. 1312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:28:57,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [337874499] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:28:57,229 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:28:57,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [103, 84, 84] total 224 [2022-01-29 02:28:57,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807220591] [2022-01-29 02:28:57,230 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:28:57,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 225 states [2022-01-29 02:28:57,230 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:28:57,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 225 interpolants. [2022-01-29 02:28:57,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=806, Invalid=49594, Unknown=0, NotChecked=0, Total=50400 [2022-01-29 02:28:57,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:28:57,233 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:28:57,233 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) [2022-01-29 02:28:57,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:28:57,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:28:57,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:28:57,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:28:57,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:28:57,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:28:57,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:28:57,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:28:57,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:28:57,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:28:57,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:28:57,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:28:57,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:28:57,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:28:57,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:28:57,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:28:57,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:28:57,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:28:57,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:28:57,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:28:57,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-29 02:28:57,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:28:57,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 02:28:57,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:28:57,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-01-29 02:28:57,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-01-29 02:28:57,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-01-29 02:28:57,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-01-29 02:28:57,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 02:28:57,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:28:57,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-01-29 02:28:57,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 02:28:57,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-01-29 02:28:57,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-01-29 02:28:57,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-01-29 02:28:57,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-01-29 02:28:57,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-01-29 02:28:57,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 02:28:57,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:29:13,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:29:13,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:29:13,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:29:13,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:29:13,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:29:13,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:29:13,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:29:13,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:29:13,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:29:13,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:29:13,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:29:13,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:29:13,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:29:13,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:29:13,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:29:13,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:29:13,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:29:13,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:29:13,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:29:13,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:29:13,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-29 02:29:13,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:29:13,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 02:29:13,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:29:13,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-29 02:29:13,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-01-29 02:29:13,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-29 02:29:13,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-01-29 02:29:13,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 02:29:13,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:29:13,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-29 02:29:13,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 02:29:13,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-29 02:29:13,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-01-29 02:29:13,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-29 02:29:13,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-01-29 02:29:13,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-29 02:29:13,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 02:29:13,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-01-29 02:29:13,988 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2022-01-29 02:29:14,172 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 [2022-01-29 02:29:14,172 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 02:29:14,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:29:14,173 INFO L85 PathProgramCache]: Analyzing trace with hash 943052963, now seen corresponding path program 38 times [2022-01-29 02:29:14,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:29:14,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593637421] [2022-01-29 02:29:14,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:29:14,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:29:14,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:29:15,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1370 backedges. 0 proven. 1370 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:29:15,001 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:29:15,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593637421] [2022-01-29 02:29:15,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593637421] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:29:15,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058345580] [2022-01-29 02:29:15,002 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-29 02:29:15,002 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:29:15,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:29:15,003 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) [2022-01-29 02:29:15,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2022-01-29 02:29:15,057 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-29 02:29:15,057 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:29:15,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 84 conjunts are in the unsatisfiable core [2022-01-29 02:29:15,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:29:15,418 INFO L388 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 [2022-01-29 02:29:15,428 INFO L134 CoverageAnalysis]: Checked inductivity of 1370 backedges. 0 proven. 1370 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:29:15,429 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:29:16,252 INFO L354 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-01-29 02:29:16,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-01-29 02:29:16,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1370 backedges. 0 proven. 1370 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:29:16,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2058345580] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:29:16,462 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:29:16,462 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43, 43] total 64 [2022-01-29 02:29:16,462 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53653718] [2022-01-29 02:29:16,462 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:29:16,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2022-01-29 02:29:16,463 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:29:16,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2022-01-29 02:29:16,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=4012, Unknown=0, NotChecked=0, Total=4160 [2022-01-29 02:29:16,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:29:16,464 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:29:16,464 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) [2022-01-29 02:29:16,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:29:16,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:29:16,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:29:16,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:29:16,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:29:16,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:29:16,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:29:16,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:29:16,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:29:16,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:29:16,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:29:16,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:29:16,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:29:16,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:29:16,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:29:16,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:29:16,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:29:16,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:29:16,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:29:16,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:29:16,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-29 02:29:16,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:29:16,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 02:29:16,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:29:16,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-01-29 02:29:16,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-01-29 02:29:16,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-01-29 02:29:16,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-01-29 02:29:16,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 02:29:16,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:29:16,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-01-29 02:29:16,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 02:29:16,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-01-29 02:29:16,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-01-29 02:29:16,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-01-29 02:29:16,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-01-29 02:29:16,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-01-29 02:29:16,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 02:29:16,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-01-29 02:29:16,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:29:18,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 02:29:18,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 02:29:18,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 02:29:18,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:29:18,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-29 02:29:18,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 02:29:18,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:29:18,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-29 02:29:18,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 02:29:18,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 02:29:18,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:29:18,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 02:29:18,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 02:29:18,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:29:18,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:29:18,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-29 02:29:18,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:29:18,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 02:29:18,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:29:18,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 02:29:18,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-29 02:29:18,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-29 02:29:18,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 02:29:18,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-29 02:29:18,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-29 02:29:18,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-01-29 02:29:18,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-29 02:29:18,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-01-29 02:29:18,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 02:29:18,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-29 02:29:18,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-29 02:29:18,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 02:29:18,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-29 02:29:18,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-01-29 02:29:18,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-29 02:29:18,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-01-29 02:29:18,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-29 02:29:18,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 02:29:18,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-01-29 02:29:18,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-29 02:29:18,747 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2022-01-29 02:29:18,931 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 [2022-01-29 02:29:18,931 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 02:29:18,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:29:18,931 INFO L85 PathProgramCache]: Analyzing trace with hash 85347366, now seen corresponding path program 39 times [2022-01-29 02:29:18,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:29:18,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200015243] [2022-01-29 02:29:18,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:29:18,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:29:18,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:29:30,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1451 backedges. 0 proven. 1451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:29:30,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:29:30,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200015243] [2022-01-29 02:29:30,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200015243] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:29:30,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1171383512] [2022-01-29 02:29:30,984 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-29 02:29:30,984 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:29:30,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:29:30,985 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) [2022-01-29 02:29:30,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2022-01-29 02:29:31,053 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) [2022-01-29 02:29:31,053 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:29:31,060 WARN L261 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 258 conjunts are in the unsatisfiable core [2022-01-29 02:29:31,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:29:49,930 INFO L354 Elim1Store]: treesize reduction 2242, result has 0.0 percent of original size [2022-01-29 02:29:49,930 INFO L388 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 242 treesize of output 86 [2022-01-29 02:29:50,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1451 backedges. 0 proven. 1451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:29:50,572 INFO L328 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2022-01-29 02:30:32,803 WARN L243 SmtUtils]: Removed 161 from assertion stack [2022-01-29 02:30:32,805 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-01-29 02:30:32,820 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-29 02:30:32,820 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-29 02:30:32,825 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2022-01-29 02:30:32,837 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 [2022-01-29 02:30:33,005 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 [2022-01-29 02:30:33,006 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 3220 for 12212ms.. [2022-01-29 02:30:33,007 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-01-29 02:30:33,007 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-01-29 02:30:33,011 INFO L732 BasicCegarLoop]: Path program histogram: [39, 1, 1] [2022-01-29 02:30:33,013 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-29 02:30:33,013 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-29 02:30:33,016 INFO L202 PluginConnector]: Adding new model queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 02:30:33 BasicIcfg [2022-01-29 02:30:33,016 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-29 02:30:33,016 INFO L158 Benchmark]: Toolchain (without parser) took 739176.81ms. Allocated memory was 180.4MB in the beginning and 526.4MB in the end (delta: 346.0MB). Free memory was 138.1MB in the beginning and 258.6MB in the end (delta: -120.6MB). Peak memory consumption was 429.5MB. Max. memory is 8.0GB. [2022-01-29 02:30:33,016 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 180.4MB. Free memory is still 139.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-29 02:30:33,017 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.12ms. Allocated memory is still 180.4MB. Free memory was 138.1MB in the beginning and 136.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-29 02:30:33,017 INFO L158 Benchmark]: Boogie Preprocessor took 14.64ms. Allocated memory is still 180.4MB. Free memory was 136.5MB in the beginning and 135.5MB in the end (delta: 906.4kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-29 02:30:33,017 INFO L158 Benchmark]: RCFGBuilder took 241.66ms. Allocated memory is still 180.4MB. Free memory was 135.4MB in the beginning and 126.6MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-01-29 02:30:33,018 INFO L158 Benchmark]: TraceAbstraction took 738887.36ms. Allocated memory was 180.4MB in the beginning and 526.4MB in the end (delta: 346.0MB). Free memory was 126.0MB in the beginning and 258.6MB in the end (delta: -132.6MB). Peak memory consumption was 416.9MB. Max. memory is 8.0GB. [2022-01-29 02:30:33,019 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 0.09ms. Allocated memory is still 180.4MB. Free memory is still 139.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.12ms. Allocated memory is still 180.4MB. Free memory was 138.1MB in the beginning and 136.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.64ms. Allocated memory is still 180.4MB. Free memory was 136.5MB in the beginning and 135.5MB in the end (delta: 906.4kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 241.66ms. Allocated memory is still 180.4MB. Free memory was 135.4MB in the beginning and 126.6MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 738887.36ms. Allocated memory was 180.4MB in the beginning and 526.4MB in the end (delta: 346.0MB). Free memory was 126.0MB in the beginning and 258.6MB in the end (delta: -132.6MB). Peak memory consumption was 416.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5514, positive: 4576, positive conditional: 4423, positive unconditional: 153, 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: 4576, positive: 4576, positive conditional: 4423, positive unconditional: 153, 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: 4576, positive: 4576, positive conditional: 4423, positive unconditional: 153, 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: 4576, positive: 4576, positive conditional: 4394, positive unconditional: 182, 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: 4576, positive: 4576, positive conditional: 3025, positive unconditional: 1551, 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: 4576, positive: 4576, positive conditional: 3025, positive unconditional: 1551, 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: 151, positive: 151, positive conditional: 0, positive unconditional: 151, 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: 151, positive: 149, positive conditional: 0, positive unconditional: 149, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 37, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4576, positive: 4425, positive conditional: 3025, positive unconditional: 1400, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 151, unknown conditional: 0, unknown unconditional: 151] , Statistics on independence cache: Total cache size (in pairs): 151, Positive cache size: 151, Positive conditional cache size: 0, Positive unconditional cache size: 151, 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: 6, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 153, positive: 153, positive conditional: 0, positive unconditional: 153, 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: 5514, positive: 4576, positive conditional: 4423, positive unconditional: 153, 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: 4576, positive: 4576, positive conditional: 4423, positive unconditional: 153, 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: 4576, positive: 4576, positive conditional: 4423, positive unconditional: 153, 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: 4576, positive: 4576, positive conditional: 4394, positive unconditional: 182, 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: 4576, positive: 4576, positive conditional: 3025, positive unconditional: 1551, 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: 4576, positive: 4576, positive conditional: 3025, positive unconditional: 1551, 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: 151, positive: 151, positive conditional: 0, positive unconditional: 151, 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: 151, positive: 149, positive conditional: 0, positive unconditional: 149, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 37, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4576, positive: 4425, positive conditional: 3025, positive unconditional: 1400, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 151, unknown conditional: 0, unknown unconditional: 151] , Statistics on independence cache: Total cache size (in pairs): 151, Positive cache size: 151, Positive conditional cache size: 0, Positive unconditional cache size: 151, 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 3220 for 12212ms.. - 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 3220 for 12212ms.. - 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 3220 for 12212ms.. - 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: 738.8s, OverallIterations: 41, TraceHistogramMax: 0, PathProgramHistogramMax: 39, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 118.7s, 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, 1.4s SatisfiabilityAnalysisTime, 535.0s InterpolantComputationTime, 6909 NumberOfCodeBlocks, 6909 NumberOfCodeBlocksAsserted, 286 NumberOfCheckSat, 10238 ConstructedInterpolants, 250 QuantifiedInterpolants, 435902 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