/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-NewStatesSleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-array-sum.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-22 17:47:23,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-22 17:47:23,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-22 17:47:23,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-22 17:47:23,443 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-NewStatesSleepPersistent-NoLbe.epf [2021-08-22 17:47:23,466 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-22 17:47:23,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-22 17:47:23,466 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-22 17:47:23,466 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-22 17:47:23,469 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-22 17:47:23,469 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-22 17:47:23,469 INFO L138 SettingsManager]: * Use SBE=true [2021-08-22 17:47:23,469 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-22 17:47:23,469 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-22 17:47:23,469 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-22 17:47:23,470 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-22 17:47:23,470 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-22 17:47:23,470 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-22 17:47:23,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-22 17:47:23,471 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-22 17:47:23,471 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-22 17:47:23,471 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-22 17:47:23,471 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-22 17:47:23,471 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-22 17:47:23,471 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-22 17:47:23,471 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-22 17:47:23,471 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-22 17:47:23,472 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-22 17:47:23,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 17:47:23,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-22 17:47:23,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-22 17:47:23,472 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-22 17:47:23,472 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-22 17:47:23,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-22 17:47:23,473 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-22 17:47:23,473 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-22 17:47:23,473 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-22 17:47:23,473 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-08-22 17:47:23,473 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-08-22 17:47:23,474 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-22 17:47:23,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-22 17:47:23,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-22 17:47:23,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-22 17:47:23,717 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-22 17:47:23,721 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-22 17:47:23,722 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-array-sum.wvr.bpl [2021-08-22 17:47:23,722 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-array-sum.wvr.bpl' [2021-08-22 17:47:23,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-22 17:47:23,744 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-22 17:47:23,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-22 17:47:23,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-22 17:47:23,746 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-22 17:47:23,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:47:23" (1/1) ... [2021-08-22 17:47:23,760 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:47:23" (1/1) ... [2021-08-22 17:47:23,766 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-22 17:47:23,767 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-22 17:47:23,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-22 17:47:23,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-22 17:47:23,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:47:23" (1/1) ... [2021-08-22 17:47:23,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:47:23" (1/1) ... [2021-08-22 17:47:23,773 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:47:23" (1/1) ... [2021-08-22 17:47:23,773 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:47:23" (1/1) ... [2021-08-22 17:47:23,777 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:47:23" (1/1) ... [2021-08-22 17:47:23,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:47:23" (1/1) ... [2021-08-22 17:47:23,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:47:23" (1/1) ... [2021-08-22 17:47:23,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-22 17:47:23,785 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-22 17:47:23,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-22 17:47:23,785 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-22 17:47:23,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:47:23" (1/1) ... [2021-08-22 17:47:23,791 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 17:47:23,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 17:47:23,821 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) [2021-08-22 17:47:23,840 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 [2021-08-22 17:47:23,861 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-22 17:47:23,861 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-22 17:47:23,861 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-22 17:47:23,861 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-22 17:47:23,861 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-22 17:47:23,861 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-22 17:47:23,861 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-22 17:47:23,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-22 17:47:23,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-22 17:47:23,862 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-22 17:47:23,862 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-22 17:47:23,862 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-22 17:47:23,863 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-22 17:47:24,067 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-22 17:47:24,068 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-22 17:47:24,069 INFO L202 PluginConnector]: Adding new model simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 05:47:24 BoogieIcfgContainer [2021-08-22 17:47:24,069 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-22 17:47:24,071 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-22 17:47:24,071 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-22 17:47:24,072 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-22 17:47:24,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:47:23" (1/2) ... [2021-08-22 17:47:24,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14a7165d and model type simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 05:47:24, skipping insertion in model container [2021-08-22 17:47:24,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 05:47:24" (2/2) ... [2021-08-22 17:47:24,074 INFO L111 eAbstractionObserver]: Analyzing ICFG simple-array-sum.wvr.bpl [2021-08-22 17:47:24,077 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-22 17:47:24,077 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-22 17:47:24,077 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-22 17:47:24,078 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-22 17:47:24,120 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-08-22 17:47:24,149 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-22 17:47:24,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 17:47:24,150 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) [2021-08-22 17:47:24,151 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 [2021-08-22 17:47:24,173 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-22 17:47:24,179 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, mConcurrency=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 [2021-08-22 17:47:24,180 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-22 17:47:24,343 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 17:47:24,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 17:47:24,346 INFO L82 PathProgramCache]: Analyzing trace with hash 1165228457, now seen corresponding path program 1 times [2021-08-22 17:47:24,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 17:47:24,351 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694607893] [2021-08-22 17:47:24,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 17:47:24,352 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 17:47:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 17:47:24,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-22 17:47:24,483 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 17:47:24,484 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694607893] [2021-08-22 17:47:24,484 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694607893] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 17:47:24,484 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 17:47:24,485 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-22 17:47:24,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609415537] [2021-08-22 17:47:24,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-22 17:47:24,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 17:47:24,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-22 17:47:24,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-22 17:47:24,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 17:47:24,502 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 17:47:24,503 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 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) [2021-08-22 17:47:24,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 17:47:24,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 17:47:24,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-22 17:47:24,564 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 17:47:24,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 17:47:24,568 INFO L82 PathProgramCache]: Analyzing trace with hash 489485835, now seen corresponding path program 1 times [2021-08-22 17:47:24,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 17:47:24,568 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555618463] [2021-08-22 17:47:24,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 17:47:24,568 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 17:47:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 17:47:24,807 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 17:47:24,807 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 17:47:24,807 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555618463] [2021-08-22 17:47:24,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555618463] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 17:47:24,807 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [835642068] [2021-08-22 17:47:24,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 17:47:24,808 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 17:47:24,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 17:47:24,810 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) [2021-08-22 17:47:24,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-22 17:47:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 17:47:24,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 19 conjunts are in the unsatisfiable core [2021-08-22 17:47:24,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 17:47:25,366 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 18 treesize of output 14 [2021-08-22 17:47:25,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2021-08-22 17:47:25,478 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 13 treesize of output 9 [2021-08-22 17:47:25,556 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 17:47:25,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [835642068] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 17:47:25,556 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 17:47:25,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-08-22 17:47:25,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765304806] [2021-08-22 17:47:25,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-22 17:47:25,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 17:47:25,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-22 17:47:25,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-08-22 17:47:25,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 17:47:25,558 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 17:47:25,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 11 states have internal predecessors, (39), 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) [2021-08-22 17:47:25,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 17:47:25,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 17:47:25,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 17:47:25,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 17:47:25,676 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-08-22 17:47:25,872 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 [2021-08-22 17:47:25,873 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 17:47:25,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 17:47:25,874 INFO L82 PathProgramCache]: Analyzing trace with hash -359112211, now seen corresponding path program 2 times [2021-08-22 17:47:25,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 17:47:25,874 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015617641] [2021-08-22 17:47:25,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 17:47:25,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 17:47:25,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 17:47:25,946 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 17:47:25,946 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 17:47:25,946 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015617641] [2021-08-22 17:47:25,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015617641] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 17:47:25,946 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582560757] [2021-08-22 17:47:25,946 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-22 17:47:25,947 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 17:47:25,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 17:47:25,956 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) [2021-08-22 17:47:25,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-22 17:47:26,052 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-22 17:47:26,052 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 17:47:26,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-22 17:47:26,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 17:47:26,166 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-22 17:47:26,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1582560757] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 17:47:26,172 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 17:47:26,172 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-08-22 17:47:26,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050031583] [2021-08-22 17:47:26,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-22 17:47:26,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 17:47:26,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-22 17:47:26,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-08-22 17:47:26,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 17:47:26,174 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 17:47:26,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 9 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 17:47:26,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 17:47:26,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 17:47:26,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 17:47:26,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 17:47:26,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 17:47:26,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-22 17:47:26,423 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-08-22 17:47:26,608 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 [2021-08-22 17:47:26,609 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 17:47:26,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 17:47:26,609 INFO L82 PathProgramCache]: Analyzing trace with hash 1783455915, now seen corresponding path program 3 times [2021-08-22 17:47:26,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 17:47:26,610 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542669860] [2021-08-22 17:47:26,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 17:47:26,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 17:47:26,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 17:47:26,946 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 17:47:26,946 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 17:47:26,946 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542669860] [2021-08-22 17:47:26,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542669860] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 17:47:26,946 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1376215168] [2021-08-22 17:47:26,947 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-22 17:47:26,947 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 17:47:26,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 17:47:26,947 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) [2021-08-22 17:47:26,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-22 17:47:27,033 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-08-22 17:47:27,033 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 17:47:27,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 32 conjunts are in the unsatisfiable core [2021-08-22 17:47:27,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 17:47:27,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2021-08-22 17:47:27,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 31 [2021-08-22 17:47:27,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2021-08-22 17:47:27,648 INFO L354 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2021-08-22 17:47:27,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 22 [2021-08-22 17:47:27,738 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 17:47:27,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1376215168] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 17:47:27,738 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 17:47:27,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-08-22 17:47:27,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909147241] [2021-08-22 17:47:27,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-08-22 17:47:27,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 17:47:27,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-08-22 17:47:27,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2021-08-22 17:47:27,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 17:47:27,740 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 17:47:27,740 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.5238095238095237) internal successors, (53), 20 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 17:47:27,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 17:47:27,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 17:47:27,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-22 17:47:27,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 17:47:28,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 17:47:28,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 17:47:28,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-22 17:47:28,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 17:47:28,425 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-22 17:47:28,608 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 [2021-08-22 17:47:28,609 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 17:47:28,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 17:47:28,609 INFO L82 PathProgramCache]: Analyzing trace with hash 119538919, now seen corresponding path program 4 times [2021-08-22 17:47:28,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 17:47:28,610 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186177818] [2021-08-22 17:47:28,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 17:47:28,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 17:47:28,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 17:47:28,684 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-22 17:47:28,685 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 17:47:28,685 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186177818] [2021-08-22 17:47:28,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186177818] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 17:47:28,685 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [864739915] [2021-08-22 17:47:28,685 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-22 17:47:28,685 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 17:47:28,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 17:47:28,686 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) [2021-08-22 17:47:28,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-22 17:47:28,821 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-22 17:47:28,821 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 17:47:28,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-22 17:47:28,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 17:47:28,949 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-22 17:47:28,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [864739915] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 17:47:28,950 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 17:47:28,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-08-22 17:47:28,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830498745] [2021-08-22 17:47:28,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-22 17:47:28,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 17:47:28,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-22 17:47:28,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-08-22 17:47:28,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 17:47:28,951 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 17:47:28,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.9) internal successors, (39), 9 states have internal predecessors, (39), 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) [2021-08-22 17:47:28,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 17:47:28,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 17:47:28,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-22 17:47:28,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 17:47:28,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 17:47:29,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 17:47:29,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 17:47:29,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 17:47:29,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 17:47:29,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 17:47:29,138 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-22 17:47:29,320 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 [2021-08-22 17:47:29,321 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 17:47:29,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 17:47:29,321 INFO L82 PathProgramCache]: Analyzing trace with hash -259879133, now seen corresponding path program 5 times [2021-08-22 17:47:29,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 17:47:29,321 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404572258] [2021-08-22 17:47:29,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 17:47:29,322 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 17:47:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 17:47:29,381 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-08-22 17:47:29,381 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 17:47:29,381 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404572258] [2021-08-22 17:47:29,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404572258] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 17:47:29,382 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1562208496] [2021-08-22 17:47:29,382 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-22 17:47:29,382 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 17:47:29,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 17:47:29,383 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) [2021-08-22 17:47:29,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-22 17:47:29,537 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-08-22 17:47:29,537 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 17:47:29,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-22 17:47:29,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 17:47:29,686 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 16 proven. 14 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-08-22 17:47:29,686 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1562208496] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 17:47:29,686 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 17:47:29,686 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 14 [2021-08-22 17:47:29,686 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479912384] [2021-08-22 17:47:29,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-22 17:47:29,687 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 17:47:29,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-22 17:47:29,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2021-08-22 17:47:29,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 17:47:29,687 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 17:47:29,688 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.8) internal successors, (57), 14 states have internal predecessors, (57), 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) [2021-08-22 17:47:29,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 17:47:29,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 17:47:29,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 17:47:29,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 17:47:29,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 17:47:29,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 17:47:30,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 17:47:30,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 17:47:30,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 17:47:30,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 17:47:30,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 17:47:30,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:47:30,194 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-22 17:47:30,375 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 [2021-08-22 17:47:30,378 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 17:47:30,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 17:47:30,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1264214855, now seen corresponding path program 6 times [2021-08-22 17:47:30,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 17:47:30,379 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84841461] [2021-08-22 17:47:30,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 17:47:30,379 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 17:47:30,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 17:47:30,472 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 30 proven. 16 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-08-22 17:47:30,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 17:47:30,473 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84841461] [2021-08-22 17:47:30,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84841461] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 17:47:30,473 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366651148] [2021-08-22 17:47:30,473 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-22 17:47:30,473 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 17:47:30,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 17:47:30,489 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) [2021-08-22 17:47:30,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-22 17:47:30,677 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-08-22 17:47:30,677 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 17:47:30,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-22 17:47:30,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 17:47:30,922 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 35 proven. 16 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-08-22 17:47:30,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [366651148] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 17:47:30,922 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 17:47:30,922 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2021-08-22 17:47:30,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091477497] [2021-08-22 17:47:30,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-08-22 17:47:30,923 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 17:47:30,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-08-22 17:47:30,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2021-08-22 17:47:30,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 17:47:30,924 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 17:47:30,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.1818181818181817) internal successors, (70), 21 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 17:47:30,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 17:47:30,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 17:47:30,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 17:47:30,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 17:47:30,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 17:47:30,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:47:30,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 17:47:31,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 17:47:31,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 17:47:31,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 17:47:31,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 17:47:31,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 17:47:31,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:47:31,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 17:47:31,305 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-08-22 17:47:31,485 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 [2021-08-22 17:47:31,486 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 17:47:31,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 17:47:31,486 INFO L82 PathProgramCache]: Analyzing trace with hash -1109257701, now seen corresponding path program 7 times [2021-08-22 17:47:31,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 17:47:31,486 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084424046] [2021-08-22 17:47:31,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 17:47:31,487 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 17:47:31,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 17:47:32,326 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 4 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 17:47:32,326 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 17:47:32,327 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084424046] [2021-08-22 17:47:32,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084424046] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 17:47:32,327 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [961534782] [2021-08-22 17:47:32,327 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-22 17:47:32,327 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 17:47:32,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 17:47:32,328 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) [2021-08-22 17:47:32,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-22 17:47:32,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 17:47:32,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 63 conjunts are in the unsatisfiable core [2021-08-22 17:47:32,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 17:47:33,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-08-22 17:47:33,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:47:33,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-08-22 17:47:33,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:47:33,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:47:33,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:47:33,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-08-22 17:47:33,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:47:33,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:47:33,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:47:33,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:47:33,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:47:33,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:47:33,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2021-08-22 17:47:33,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:47:33,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:47:33,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:47:33,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:47:33,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:47:33,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:47:33,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:47:33,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:47:33,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:47:33,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:47:33,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 54 [2021-08-22 17:47:33,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:47:33,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:47:33,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:47:33,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:47:33,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:47:33,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:47:33,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:47:33,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:47:33,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:47:33,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:47:33,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 51 [2021-08-22 17:47:34,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 19 [2021-08-22 17:47:34,284 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 17:47:34,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [961534782] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 17:47:34,285 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 17:47:34,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 37 [2021-08-22 17:47:34,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324686640] [2021-08-22 17:47:34,285 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2021-08-22 17:47:34,285 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 17:47:34,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-08-22 17:47:34,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=1254, Unknown=0, NotChecked=0, Total=1406 [2021-08-22 17:47:34,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 17:47:34,286 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 17:47:34,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 2.5) internal successors, (95), 37 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 17:47:34,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 17:47:34,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 17:47:34,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 17:47:34,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 17:47:34,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 17:47:34,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:47:34,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 17:47:34,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 17:47:35,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 17:47:35,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 17:47:35,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 17:47:35,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 17:47:35,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 17:47:35,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:47:35,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 17:47:35,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-22 17:47:36,005 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-22 17:47:36,187 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 [2021-08-22 17:47:36,188 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 17:47:36,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 17:47:36,188 INFO L82 PathProgramCache]: Analyzing trace with hash 247079263, now seen corresponding path program 8 times [2021-08-22 17:47:36,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 17:47:36,188 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504692983] [2021-08-22 17:47:36,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 17:47:36,189 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 17:47:36,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 17:47:36,301 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 16 proven. 55 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-08-22 17:47:36,301 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 17:47:36,301 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504692983] [2021-08-22 17:47:36,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504692983] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 17:47:36,301 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1890906777] [2021-08-22 17:47:36,301 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-22 17:47:36,301 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 17:47:36,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 17:47:36,302 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) [2021-08-22 17:47:36,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-22 17:47:36,573 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-22 17:47:36,574 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 17:47:36,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-22 17:47:36,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 17:47:36,759 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 25 proven. 46 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-08-22 17:47:36,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1890906777] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 17:47:36,760 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 17:47:36,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-08-22 17:47:36,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092911062] [2021-08-22 17:47:36,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-22 17:47:36,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 17:47:36,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-22 17:47:36,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2021-08-22 17:47:36,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 17:47:36,761 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 17:47:36,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 14 states have internal predecessors, (52), 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) [2021-08-22 17:47:36,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 17:47:36,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 17:47:36,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 17:47:36,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 17:47:36,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 17:47:36,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:47:36,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 17:47:36,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-22 17:47:36,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 17:47:37,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 17:47:37,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 17:47:37,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 17:47:37,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 17:47:37,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 17:47:37,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:47:37,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 17:47:37,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-22 17:47:37,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 17:47:37,071 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-08-22 17:47:37,263 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 [2021-08-22 17:47:37,264 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 17:47:37,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 17:47:37,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1576822629, now seen corresponding path program 9 times [2021-08-22 17:47:37,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 17:47:37,264 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024866458] [2021-08-22 17:47:37,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 17:47:37,265 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 17:47:37,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 17:47:38,163 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 9 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 17:47:38,163 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 17:47:38,164 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024866458] [2021-08-22 17:47:38,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024866458] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 17:47:38,164 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731816673] [2021-08-22 17:47:38,164 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-22 17:47:38,164 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 17:47:38,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 17:47:38,165 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) [2021-08-22 17:47:38,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-08-22 17:47:38,494 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-08-22 17:47:38,494 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 17:47:38,495 WARN L261 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 79 conjunts are in the unsatisfiable core [2021-08-22 17:47:38,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 17:47:39,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2021-08-22 17:47:39,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2021-08-22 17:47:39,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 34 [2021-08-22 17:47:39,613 INFO L354 Elim1Store]: treesize reduction 72, result has 18.2 percent of original size [2021-08-22 17:47:39,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 50 [2021-08-22 17:47:39,798 INFO L354 Elim1Store]: treesize reduction 132, result has 14.8 percent of original size [2021-08-22 17:47:39,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 66 [2021-08-22 17:47:40,277 INFO L354 Elim1Store]: treesize reduction 178, result has 45.9 percent of original size [2021-08-22 17:47:40,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 3 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 33 case distinctions, treesize of input 105 treesize of output 223 [2021-08-22 17:47:40,346 INFO L354 Elim1Store]: treesize reduction 164, result has 15.5 percent of original size [2021-08-22 17:47:40,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 333 treesize of output 301 [2021-08-22 17:48:30,363 INFO L354 Elim1Store]: treesize reduction 152, result has 24.4 percent of original size [2021-08-22 17:48:30,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 21 case distinctions, treesize of input 57 treesize of output 77 [2021-08-22 17:48:30,613 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 6 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 17:48:30,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [731816673] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 17:48:30,614 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 17:48:30,614 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 28] total 49 [2021-08-22 17:48:30,614 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718493373] [2021-08-22 17:48:30,614 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2021-08-22 17:48:30,614 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 17:48:30,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-08-22 17:48:30,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=2300, Unknown=0, NotChecked=0, Total=2450 [2021-08-22 17:48:30,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 17:48:30,616 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 17:48:30,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 2.18) internal successors, (109), 49 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 17:48:30,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 17:48:30,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 17:48:30,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 17:48:30,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 17:48:30,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 17:48:30,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:48:30,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 17:48:30,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-22 17:48:30,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 17:48:30,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 17:48:33,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 17:48:33,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 17:48:33,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 17:48:33,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 17:48:33,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 17:48:33,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:48:33,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 17:48:33,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-22 17:48:33,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 17:48:33,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-22 17:48:33,530 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-08-22 17:48:33,724 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 [2021-08-22 17:48:33,725 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 17:48:33,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 17:48:33,725 INFO L82 PathProgramCache]: Analyzing trace with hash 1472664791, now seen corresponding path program 10 times [2021-08-22 17:48:33,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 17:48:33,725 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837136007] [2021-08-22 17:48:33,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 17:48:33,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 17:48:33,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 17:48:33,838 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 25 proven. 75 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-08-22 17:48:33,838 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 17:48:33,838 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837136007] [2021-08-22 17:48:33,838 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837136007] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 17:48:33,838 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513862871] [2021-08-22 17:48:33,839 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-22 17:48:33,839 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 17:48:33,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 17:48:33,839 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) [2021-08-22 17:48:33,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-08-22 17:48:34,280 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-22 17:48:34,281 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 17:48:34,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 15 conjunts are in the unsatisfiable core [2021-08-22 17:48:34,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 17:48:34,463 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 36 proven. 64 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-08-22 17:48:34,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1513862871] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 17:48:34,463 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 17:48:34,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 16 [2021-08-22 17:48:34,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088444316] [2021-08-22 17:48:34,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-08-22 17:48:34,464 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 17:48:34,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-08-22 17:48:34,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2021-08-22 17:48:34,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 17:48:34,465 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 17:48:34,465 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.3529411764705883) internal successors, (57), 16 states have internal predecessors, (57), 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) [2021-08-22 17:48:34,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 17:48:34,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 17:48:34,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 17:48:34,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 17:48:34,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 17:48:34,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:48:34,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 17:48:34,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-22 17:48:34,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 17:48:34,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-22 17:48:34,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 17:48:34,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 17:48:34,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 17:48:34,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 17:48:34,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 17:48:34,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 17:48:34,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:48:34,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 17:48:34,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-22 17:48:34,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 17:48:34,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-22 17:48:34,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 17:48:34,822 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-08-22 17:48:35,019 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 [2021-08-22 17:48:35,019 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 17:48:35,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 17:48:35,020 INFO L82 PathProgramCache]: Analyzing trace with hash -1675341277, now seen corresponding path program 11 times [2021-08-22 17:48:35,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 17:48:35,020 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708192101] [2021-08-22 17:48:35,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 17:48:35,020 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 17:48:35,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 17:48:36,055 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 16 proven. 152 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 17:48:36,055 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 17:48:36,055 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708192101] [2021-08-22 17:48:36,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708192101] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 17:48:36,055 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [414524036] [2021-08-22 17:48:36,055 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-22 17:48:36,055 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 17:48:36,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 17:48:36,056 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) [2021-08-22 17:48:36,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-08-22 17:48:36,541 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-08-22 17:48:36,541 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 17:48:36,542 WARN L261 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 87 conjunts are in the unsatisfiable core [2021-08-22 17:48:36,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 17:48:37,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-08-22 17:48:37,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:37,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-08-22 17:48:37,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:37,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:37,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:37,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-08-22 17:48:37,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:37,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:37,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:37,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:37,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:37,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:37,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2021-08-22 17:48:37,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:37,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:37,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:37,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:37,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:37,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:37,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:37,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:37,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:37,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:37,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 74 [2021-08-22 17:48:37,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:37,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:37,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:37,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:37,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:37,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:37,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:37,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:37,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:37,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:37,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:37,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:37,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:37,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:37,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:37,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 90 [2021-08-22 17:48:38,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:38,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:38,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:38,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:38,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:38,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:38,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:38,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:38,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:38,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:38,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:38,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:38,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:38,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:38,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:38,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:38,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:38,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:38,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:38,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:38,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:38,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 74 [2021-08-22 17:48:38,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:38,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:38,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:38,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:38,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:38,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:38,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:38,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:38,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:38,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:38,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:38,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:38,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:38,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:38,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:38,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:38,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:38,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:38,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:38,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:38,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:38,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 71 [2021-08-22 17:48:38,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 23 [2021-08-22 17:48:39,051 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 17:48:39,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [414524036] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 17:48:39,051 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 17:48:39,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2021-08-22 17:48:39,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70288391] [2021-08-22 17:48:39,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2021-08-22 17:48:39,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 17:48:39,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-08-22 17:48:39,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=2322, Unknown=0, NotChecked=0, Total=2550 [2021-08-22 17:48:39,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 17:48:39,053 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 17:48:39,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 2.411764705882353) internal successors, (123), 50 states have internal predecessors, (123), 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) [2021-08-22 17:48:39,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 17:48:39,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 17:48:39,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 17:48:39,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 17:48:39,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 17:48:39,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:48:39,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 17:48:39,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-22 17:48:39,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 17:48:39,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-22 17:48:39,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 17:48:39,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 17:48:41,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 17:48:41,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 17:48:41,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 17:48:41,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 17:48:41,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 17:48:41,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:48:41,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 17:48:41,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-22 17:48:41,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 17:48:41,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-22 17:48:41,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 17:48:41,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-22 17:48:41,412 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-08-22 17:48:41,600 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 [2021-08-22 17:48:41,601 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 17:48:41,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 17:48:41,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1978227303, now seen corresponding path program 12 times [2021-08-22 17:48:41,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 17:48:41,601 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539855512] [2021-08-22 17:48:41,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 17:48:41,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 17:48:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 17:48:41,762 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 36 proven. 98 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-08-22 17:48:41,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 17:48:41,763 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539855512] [2021-08-22 17:48:41,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539855512] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 17:48:41,763 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112171402] [2021-08-22 17:48:41,763 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-22 17:48:41,763 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 17:48:41,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 17:48:41,764 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) [2021-08-22 17:48:41,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-08-22 17:48:42,365 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-08-22 17:48:42,365 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 17:48:42,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 17 conjunts are in the unsatisfiable core [2021-08-22 17:48:42,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 17:48:42,570 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 49 proven. 85 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-08-22 17:48:42,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1112171402] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 17:48:42,571 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 17:48:42,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 18 [2021-08-22 17:48:42,571 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383655535] [2021-08-22 17:48:42,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-08-22 17:48:42,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 17:48:42,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-22 17:48:42,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2021-08-22 17:48:42,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 17:48:42,572 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 17:48:42,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.263157894736842) internal successors, (62), 18 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 17:48:42,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 17:48:42,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 17:48:42,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 17:48:42,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 17:48:42,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 17:48:42,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:48:42,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 17:48:42,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-22 17:48:42,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 17:48:42,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-22 17:48:42,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 17:48:42,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-22 17:48:42,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 17:48:42,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 17:48:42,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 17:48:42,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 17:48:42,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 17:48:42,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 17:48:42,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:48:42,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 17:48:42,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-22 17:48:42,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 17:48:42,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-22 17:48:42,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 17:48:42,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-22 17:48:42,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-22 17:48:43,006 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-08-22 17:48:43,200 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 [2021-08-22 17:48:43,201 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 17:48:43,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 17:48:43,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1382113939, now seen corresponding path program 13 times [2021-08-22 17:48:43,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 17:48:43,201 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819220502] [2021-08-22 17:48:43,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 17:48:43,201 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 17:48:43,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 17:48:44,449 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 25 proven. 195 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 17:48:44,450 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 17:48:44,450 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819220502] [2021-08-22 17:48:44,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819220502] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 17:48:44,450 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045450071] [2021-08-22 17:48:44,450 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-22 17:48:44,450 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 17:48:44,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 17:48:44,454 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) [2021-08-22 17:48:44,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-08-22 17:48:45,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 17:48:45,093 WARN L261 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 96 conjunts are in the unsatisfiable core [2021-08-22 17:48:45,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 17:48:45,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-08-22 17:48:46,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-08-22 17:48:46,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-08-22 17:48:46,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2021-08-22 17:48:46,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 74 [2021-08-22 17:48:46,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 90 [2021-08-22 17:48:46,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:46,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 106 [2021-08-22 17:48:47,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 84 [2021-08-22 17:48:47,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:47,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 81 [2021-08-22 17:48:48,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 25 [2021-08-22 17:48:48,143 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 17:48:48,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1045450071] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 17:48:48,143 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 17:48:48,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 55 [2021-08-22 17:48:48,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305154099] [2021-08-22 17:48:48,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2021-08-22 17:48:48,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 17:48:48,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2021-08-22 17:48:48,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=2802, Unknown=0, NotChecked=0, Total=3080 [2021-08-22 17:48:48,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 17:48:48,145 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 17:48:48,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 2.4464285714285716) internal successors, (137), 55 states have internal predecessors, (137), 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) [2021-08-22 17:48:48,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 17:48:48,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 17:48:48,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 17:48:48,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 17:48:48,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 17:48:48,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:48:48,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 17:48:48,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-22 17:48:48,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 17:48:48,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-22 17:48:48,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 17:48:48,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-22 17:48:48,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-22 17:48:48,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 17:48:50,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 17:48:50,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 17:48:50,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 17:48:50,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 17:48:50,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 17:48:50,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:48:50,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 17:48:50,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-22 17:48:50,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 17:48:50,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-22 17:48:50,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 17:48:50,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-22 17:48:50,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-22 17:48:50,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-22 17:48:50,971 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-08-22 17:48:51,152 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 [2021-08-22 17:48:51,152 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 17:48:51,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 17:48:51,152 INFO L82 PathProgramCache]: Analyzing trace with hash -1891777073, now seen corresponding path program 14 times [2021-08-22 17:48:51,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 17:48:51,152 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161487042] [2021-08-22 17:48:51,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 17:48:51,153 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 17:48:51,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 17:48:51,329 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 49 proven. 124 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-08-22 17:48:51,329 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 17:48:51,330 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161487042] [2021-08-22 17:48:51,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161487042] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 17:48:51,330 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1073695242] [2021-08-22 17:48:51,330 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-22 17:48:51,330 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 17:48:51,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 17:48:51,331 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) [2021-08-22 17:48:51,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-08-22 17:48:52,135 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-22 17:48:52,135 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 17:48:52,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 19 conjunts are in the unsatisfiable core [2021-08-22 17:48:52,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 17:48:52,350 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 64 proven. 109 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-08-22 17:48:52,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1073695242] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 17:48:52,350 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 17:48:52,350 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 20 [2021-08-22 17:48:52,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868256865] [2021-08-22 17:48:52,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-08-22 17:48:52,351 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 17:48:52,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-08-22 17:48:52,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2021-08-22 17:48:52,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 17:48:52,351 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 17:48:52,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.1904761904761907) internal successors, (67), 20 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 17:48:52,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 17:48:52,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 17:48:52,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 17:48:52,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 17:48:52,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 17:48:52,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:48:52,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 17:48:52,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-22 17:48:52,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 17:48:52,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-22 17:48:52,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 17:48:52,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-22 17:48:52,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-22 17:48:52,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-22 17:48:52,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 17:48:52,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 17:48:52,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 17:48:52,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 17:48:52,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 17:48:52,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 17:48:52,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:48:52,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 17:48:52,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-22 17:48:52,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 17:48:52,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-22 17:48:52,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 17:48:52,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-22 17:48:52,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-22 17:48:52,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-22 17:48:52,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:48:52,799 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-08-22 17:48:52,981 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 [2021-08-22 17:48:52,981 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 17:48:52,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 17:48:52,982 INFO L82 PathProgramCache]: Analyzing trace with hash -111124949, now seen corresponding path program 15 times [2021-08-22 17:48:52,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 17:48:52,982 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752179162] [2021-08-22 17:48:52,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 17:48:52,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 17:48:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 17:48:54,473 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 36 proven. 243 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 17:48:54,474 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 17:48:54,474 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752179162] [2021-08-22 17:48:54,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752179162] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 17:48:54,474 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [373317928] [2021-08-22 17:48:54,474 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-22 17:48:54,474 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 17:48:54,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 17:48:54,481 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) [2021-08-22 17:48:54,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-08-22 17:48:55,367 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-08-22 17:48:55,367 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 17:48:55,369 WARN L261 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 117 conjunts are in the unsatisfiable core [2021-08-22 17:48:55,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 17:48:56,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-08-22 17:48:56,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2021-08-22 17:48:56,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:56,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:48:56,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2021-08-22 17:48:56,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 46 [2021-08-22 17:48:56,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 58 [2021-08-22 17:48:57,110 INFO L354 Elim1Store]: treesize reduction 120, result has 17.8 percent of original size [2021-08-22 17:48:57,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 60 treesize of output 74 [2021-08-22 17:48:57,344 INFO L354 Elim1Store]: treesize reduction 200, result has 14.2 percent of original size [2021-08-22 17:48:57,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 73 treesize of output 90 [2021-08-22 17:48:57,619 INFO L354 Elim1Store]: treesize reduction 292, result has 12.0 percent of original size [2021-08-22 17:48:57,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 86 treesize of output 106 [2021-08-22 17:48:58,157 INFO L354 Elim1Store]: treesize reduction 288, result has 29.6 percent of original size [2021-08-22 17:48:58,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 36 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 133 treesize of output 211 [2021-08-22 17:48:58,277 INFO L354 Elim1Store]: treesize reduction 332, result has 12.4 percent of original size [2021-08-22 17:48:58,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 26 case distinctions, treesize of input 301 treesize of output 282 [2021-08-22 17:49:02,671 INFO L354 Elim1Store]: treesize reduction 396, result has 3.2 percent of original size [2021-08-22 17:49:02,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 36 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 75 treesize of output 45 [2021-08-22 17:49:02,859 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 12 proven. 267 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 17:49:02,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [373317928] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 17:49:02,860 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 17:49:02,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 34] total 64 [2021-08-22 17:49:02,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109905266] [2021-08-22 17:49:02,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2021-08-22 17:49:02,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 17:49:02,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2021-08-22 17:49:02,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=3835, Unknown=0, NotChecked=0, Total=4160 [2021-08-22 17:49:02,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 17:49:02,861 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 17:49:02,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 2.3230769230769233) internal successors, (151), 64 states have internal predecessors, (151), 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) [2021-08-22 17:49:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 17:49:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 17:49:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 17:49:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 17:49:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 17:49:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:49:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 17:49:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-22 17:49:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 17:49:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-22 17:49:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 17:49:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-22 17:49:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-22 17:49:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-22 17:49:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:49:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 17:49:06,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 17:49:06,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 17:49:06,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 17:49:06,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 17:49:06,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 17:49:06,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:49:06,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 17:49:06,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-22 17:49:06,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 17:49:06,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-22 17:49:06,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 17:49:06,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-22 17:49:06,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-22 17:49:06,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-22 17:49:06,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:49:06,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-22 17:49:06,838 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2021-08-22 17:49:07,019 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 [2021-08-22 17:49:07,020 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 17:49:07,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 17:49:07,020 INFO L82 PathProgramCache]: Analyzing trace with hash 799711087, now seen corresponding path program 16 times [2021-08-22 17:49:07,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 17:49:07,020 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940323864] [2021-08-22 17:49:07,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 17:49:07,020 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 17:49:07,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 17:49:07,217 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 64 proven. 153 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-08-22 17:49:07,218 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 17:49:07,218 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940323864] [2021-08-22 17:49:07,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940323864] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 17:49:07,218 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405913400] [2021-08-22 17:49:07,218 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-22 17:49:07,218 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 17:49:07,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 17:49:07,219 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) [2021-08-22 17:49:07,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-08-22 17:49:08,216 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-22 17:49:08,217 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 17:49:08,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 21 conjunts are in the unsatisfiable core [2021-08-22 17:49:08,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 17:49:08,446 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 81 proven. 136 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-08-22 17:49:08,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405913400] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 17:49:08,447 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 17:49:08,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 22 [2021-08-22 17:49:08,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895033239] [2021-08-22 17:49:08,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-08-22 17:49:08,447 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 17:49:08,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-08-22 17:49:08,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2021-08-22 17:49:08,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 17:49:08,448 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 17:49:08,448 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.130434782608696) internal successors, (72), 22 states have internal predecessors, (72), 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) [2021-08-22 17:49:08,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 17:49:08,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 17:49:08,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 17:49:08,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 17:49:08,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 17:49:08,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:49:08,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 17:49:08,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-22 17:49:08,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 17:49:08,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-22 17:49:08,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 17:49:08,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-22 17:49:08,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-22 17:49:08,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-22 17:49:08,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:49:08,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-22 17:49:08,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 17:49:08,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 17:49:08,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 17:49:08,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 17:49:08,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 17:49:08,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 17:49:08,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:49:08,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 17:49:08,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-22 17:49:08,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 17:49:08,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-22 17:49:08,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 17:49:08,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-22 17:49:08,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-22 17:49:08,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-22 17:49:08,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:49:08,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-22 17:49:08,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 17:49:08,966 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-08-22 17:49:09,166 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 [2021-08-22 17:49:09,166 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 17:49:09,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 17:49:09,166 INFO L82 PathProgramCache]: Analyzing trace with hash -731799413, now seen corresponding path program 17 times [2021-08-22 17:49:09,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 17:49:09,167 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993716386] [2021-08-22 17:49:09,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 17:49:09,167 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 17:49:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 17:49:10,824 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 49 proven. 296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 17:49:10,825 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 17:49:10,825 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993716386] [2021-08-22 17:49:10,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993716386] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 17:49:10,825 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300360427] [2021-08-22 17:49:10,825 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-22 17:49:10,825 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 17:49:10,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 17:49:10,826 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) [2021-08-22 17:49:10,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-08-22 17:49:11,891 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-08-22 17:49:11,892 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 17:49:11,894 WARN L261 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 122 conjunts are in the unsatisfiable core [2021-08-22 17:49:11,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 17:49:12,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-08-22 17:49:13,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-08-22 17:49:13,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-08-22 17:49:13,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2021-08-22 17:49:13,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 74 [2021-08-22 17:49:13,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 90 [2021-08-22 17:49:13,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:13,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 106 [2021-08-22 17:49:14,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 122 [2021-08-22 17:49:14,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 138 [2021-08-22 17:49:14,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 180 treesize of output 104 [2021-08-22 17:49:14,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:14,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 101 [2021-08-22 17:49:16,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 29 [2021-08-22 17:49:16,366 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 17:49:16,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1300360427] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 17:49:16,366 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 17:49:16,366 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 36] total 69 [2021-08-22 17:49:16,367 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521697822] [2021-08-22 17:49:16,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2021-08-22 17:49:16,367 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 17:49:16,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2021-08-22 17:49:16,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=4549, Unknown=0, NotChecked=0, Total=4830 [2021-08-22 17:49:16,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 17:49:16,368 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 17:49:16,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 2.357142857142857) internal successors, (165), 69 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) [2021-08-22 17:49:16,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 17:49:16,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 17:49:16,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 17:49:16,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 17:49:16,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 17:49:16,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:49:16,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 17:49:16,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-22 17:49:16,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 17:49:16,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-22 17:49:16,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 17:49:16,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-22 17:49:16,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-22 17:49:16,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-22 17:49:16,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:49:16,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-22 17:49:16,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 17:49:16,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 17:49:21,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 17:49:21,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 17:49:21,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 17:49:21,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 17:49:21,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 17:49:21,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:49:21,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 17:49:21,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-22 17:49:21,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 17:49:21,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-22 17:49:21,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 17:49:21,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-22 17:49:21,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-22 17:49:21,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-22 17:49:21,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:49:21,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-22 17:49:21,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 17:49:21,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-08-22 17:49:21,268 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-08-22 17:49:21,447 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 [2021-08-22 17:49:21,447 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 17:49:21,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 17:49:21,447 INFO L82 PathProgramCache]: Analyzing trace with hash -1124685113, now seen corresponding path program 18 times [2021-08-22 17:49:21,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 17:49:21,448 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563666741] [2021-08-22 17:49:21,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 17:49:21,448 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 17:49:21,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 17:49:21,661 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 81 proven. 185 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-08-22 17:49:21,662 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 17:49:21,662 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563666741] [2021-08-22 17:49:21,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563666741] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 17:49:21,662 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [252816790] [2021-08-22 17:49:21,662 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-22 17:49:21,662 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 17:49:21,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 17:49:21,677 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) [2021-08-22 17:49:21,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-08-22 17:49:22,965 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2021-08-22 17:49:22,965 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 17:49:22,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 24 conjunts are in the unsatisfiable core [2021-08-22 17:49:22,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 17:49:23,382 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 100 proven. 166 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-08-22 17:49:23,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [252816790] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 17:49:23,382 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 17:49:23,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2021-08-22 17:49:23,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867588904] [2021-08-22 17:49:23,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2021-08-22 17:49:23,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 17:49:23,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-08-22 17:49:23,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=968, Unknown=0, NotChecked=0, Total=1190 [2021-08-22 17:49:23,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 17:49:23,383 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 17:49:23,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.914285714285714) internal successors, (102), 34 states have internal predecessors, (102), 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) [2021-08-22 17:49:23,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 17:49:23,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 17:49:23,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 17:49:23,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 17:49:23,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 17:49:23,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:49:23,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 17:49:23,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-22 17:49:23,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 17:49:23,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-22 17:49:23,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 17:49:23,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-22 17:49:23,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-22 17:49:23,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-22 17:49:23,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:49:23,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-22 17:49:23,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 17:49:23,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-08-22 17:49:23,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 17:49:24,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 17:49:24,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 17:49:24,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 17:49:24,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 17:49:24,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 17:49:24,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:49:24,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 17:49:24,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-22 17:49:24,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 17:49:24,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-22 17:49:24,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 17:49:24,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-22 17:49:24,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-22 17:49:24,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-22 17:49:24,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:49:24,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-22 17:49:24,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 17:49:24,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-08-22 17:49:24,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-08-22 17:49:24,962 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-08-22 17:49:25,143 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 [2021-08-22 17:49:25,144 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 17:49:25,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 17:49:25,144 INFO L82 PathProgramCache]: Analyzing trace with hash -1195526605, now seen corresponding path program 19 times [2021-08-22 17:49:25,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 17:49:25,144 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627414582] [2021-08-22 17:49:25,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 17:49:25,144 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 17:49:25,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 17:49:27,095 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 64 proven. 354 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 17:49:27,095 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 17:49:27,095 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627414582] [2021-08-22 17:49:27,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627414582] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 17:49:27,096 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219555263] [2021-08-22 17:49:27,096 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-22 17:49:27,096 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 17:49:27,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 17:49:27,096 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) [2021-08-22 17:49:27,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-08-22 17:49:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 17:49:28,370 WARN L261 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 133 conjunts are in the unsatisfiable core [2021-08-22 17:49:28,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 17:49:29,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-08-22 17:49:29,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2021-08-22 17:49:29,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:29,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:29,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2021-08-22 17:49:30,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:30,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:30,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:30,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:30,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:30,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2021-08-22 17:49:30,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:30,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:30,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:30,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:30,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:30,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:30,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:30,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:30,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:30,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 70 [2021-08-22 17:49:30,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 70 [2021-08-22 17:49:30,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:30,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:30,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:30,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:30,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:30,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:30,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 86 [2021-08-22 17:49:30,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:30,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:30,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:30,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:30,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:30,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:30,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:30,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:30,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:30,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:30,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:30,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:30,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:30,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 102 [2021-08-22 17:49:31,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 106 [2021-08-22 17:49:31,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 118 [2021-08-22 17:49:31,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 166 [2021-08-22 17:49:31,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 92 [2021-08-22 17:49:32,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 31 [2021-08-22 17:49:33,093 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 0 proven. 418 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 17:49:33,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [219555263] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 17:49:33,093 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 17:49:33,093 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 37] total 73 [2021-08-22 17:49:33,093 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771448381] [2021-08-22 17:49:33,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2021-08-22 17:49:33,094 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 17:49:33,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2021-08-22 17:49:33,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=440, Invalid=4962, Unknown=0, NotChecked=0, Total=5402 [2021-08-22 17:49:33,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 17:49:33,095 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 17:49:33,095 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 2.418918918918919) internal successors, (179), 73 states have internal predecessors, (179), 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) [2021-08-22 17:49:33,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 17:49:33,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 17:49:33,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 17:49:33,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 17:49:33,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 17:49:33,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:49:33,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 17:49:33,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-22 17:49:33,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 17:49:33,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-22 17:49:33,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 17:49:33,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-22 17:49:33,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-22 17:49:33,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-22 17:49:33,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:49:33,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-22 17:49:33,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 17:49:33,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-08-22 17:49:33,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-08-22 17:49:33,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 17:49:37,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 17:49:37,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 17:49:37,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 17:49:37,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 17:49:37,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 17:49:37,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:49:37,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 17:49:37,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-22 17:49:37,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 17:49:37,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-22 17:49:37,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 17:49:37,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-22 17:49:37,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-22 17:49:37,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-22 17:49:37,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:49:37,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-22 17:49:37,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 17:49:37,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-08-22 17:49:37,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-08-22 17:49:37,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-08-22 17:49:37,540 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2021-08-22 17:49:37,710 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 [2021-08-22 17:49:37,710 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 17:49:37,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 17:49:37,711 INFO L82 PathProgramCache]: Analyzing trace with hash -4886409, now seen corresponding path program 20 times [2021-08-22 17:49:37,711 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 17:49:37,711 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015243642] [2021-08-22 17:49:37,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 17:49:37,711 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 17:49:37,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 17:49:38,001 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 100 proven. 220 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-08-22 17:49:38,001 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 17:49:38,001 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015243642] [2021-08-22 17:49:38,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015243642] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 17:49:38,001 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950951054] [2021-08-22 17:49:38,002 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-22 17:49:38,002 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 17:49:38,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 17:49:38,002 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) [2021-08-22 17:49:38,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-08-22 17:49:39,516 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-22 17:49:39,517 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 17:49:39,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 25 conjunts are in the unsatisfiable core [2021-08-22 17:49:39,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 17:49:39,777 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 121 proven. 199 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-08-22 17:49:39,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1950951054] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 17:49:39,777 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 17:49:39,777 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 26 [2021-08-22 17:49:39,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982264067] [2021-08-22 17:49:39,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-08-22 17:49:39,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 17:49:39,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-08-22 17:49:39,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=518, Unknown=0, NotChecked=0, Total=702 [2021-08-22 17:49:39,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 17:49:39,778 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 17:49:39,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.037037037037037) internal successors, (82), 26 states have internal predecessors, (82), 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) [2021-08-22 17:49:39,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 17:49:39,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 17:49:39,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 17:49:39,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 17:49:39,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 17:49:39,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:49:39,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 17:49:39,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-22 17:49:39,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 17:49:39,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-22 17:49:39,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 17:49:39,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-22 17:49:39,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-22 17:49:39,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-22 17:49:39,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:49:39,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-22 17:49:39,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-22 17:49:39,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-08-22 17:49:39,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-08-22 17:49:39,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-08-22 17:49:39,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 17:49:40,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 17:49:40,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 17:49:40,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 17:49:40,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 17:49:40,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 17:49:40,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:49:40,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 17:49:40,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-22 17:49:40,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 17:49:40,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-22 17:49:40,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 17:49:40,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-22 17:49:40,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-22 17:49:40,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-22 17:49:40,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-22 17:49:40,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-22 17:49:40,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-22 17:49:40,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-08-22 17:49:40,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-08-22 17:49:40,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-08-22 17:49:40,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-08-22 17:49:40,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-08-22 17:49:40,622 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 [2021-08-22 17:49:40,622 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 17:49:40,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 17:49:40,622 INFO L82 PathProgramCache]: Analyzing trace with hash -283323773, now seen corresponding path program 21 times [2021-08-22 17:49:40,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 17:49:40,622 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731070321] [2021-08-22 17:49:40,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 17:49:40,622 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 17:49:40,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 17:49:42,939 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 81 proven. 417 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 17:49:42,939 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 17:49:42,939 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731070321] [2021-08-22 17:49:42,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731070321] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 17:49:42,939 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817341332] [2021-08-22 17:49:42,939 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-22 17:49:42,939 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 17:49:42,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 17:49:42,940 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) [2021-08-22 17:49:42,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-08-22 17:49:44,467 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2021-08-22 17:49:44,468 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 17:49:44,470 WARN L261 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 150 conjunts are in the unsatisfiable core [2021-08-22 17:49:44,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 17:49:46,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-08-22 17:49:46,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:46,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-08-22 17:49:46,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:46,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:46,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:46,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-08-22 17:49:46,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:46,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:46,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:46,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:46,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:46,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:46,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2021-08-22 17:49:47,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 74 [2021-08-22 17:49:47,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 90 [2021-08-22 17:49:47,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,664 INFO L354 Elim1Store]: treesize reduction 174, result has 19.1 percent of original size [2021-08-22 17:49:47,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 89 treesize of output 106 [2021-08-22 17:49:47,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:47,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:48,000 INFO L354 Elim1Store]: treesize reduction 274, result has 14.9 percent of original size [2021-08-22 17:49:48,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 13 case distinctions, treesize of input 102 treesize of output 122 [2021-08-22 17:49:48,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:48,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:48,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:48,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:48,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:48,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:48,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:48,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:48,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:48,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:48,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:48,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:48,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:48,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:48,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:48,406 INFO L354 Elim1Store]: treesize reduction 386, result has 12.5 percent of original size [2021-08-22 17:49:48,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 115 treesize of output 138 [2021-08-22 17:49:48,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:48,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:48,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:48,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:48,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:48,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:48,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:48,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:48,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:48,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:48,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:48,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:48,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:48,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:48,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:48,853 INFO L354 Elim1Store]: treesize reduction 510, result has 10.8 percent of original size [2021-08-22 17:49:48,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 30 case distinctions, treesize of input 128 treesize of output 154 [2021-08-22 17:49:49,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,339 INFO L354 Elim1Store]: treesize reduction 646, result has 9.7 percent of original size [2021-08-22 17:49:49,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 15 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 40 case distinctions, treesize of input 141 treesize of output 170 [2021-08-22 17:49:49,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:49,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:53,922 INFO L354 Elim1Store]: treesize reduction 828, result has 41.6 percent of original size [2021-08-22 17:49:53,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 30 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 123 case distinctions, treesize of input 222 treesize of output 722 [2021-08-22 17:49:53,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:53,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:53,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:53,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:53,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:53,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:53,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:53,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:53,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:53,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:53,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:53,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:53,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:53,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:53,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:53,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:53,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:53,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:53,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:53,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:53,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:53,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:53,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:53,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:53,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:53,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:53,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:53,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:53,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:53,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 17:49:54,119 INFO L354 Elim1Store]: treesize reduction 500, result has 7.6 percent of original size [2021-08-22 17:49:54,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 30 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 36 case distinctions, treesize of input 1583 treesize of output 1209 Received shutdown request... [2021-08-22 18:01:24,345 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-22 18:01:24,354 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 [2021-08-22 18:01:24,366 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2021-08-22 18:01:24,370 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-22 18:01:24,389 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 [2021-08-22 18:01:24,546 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 [2021-08-22 18:01:24,546 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 101 with TraceHistMax 12,while TraceCheckSpWp was constructing forward predicates,while ExplicitLhsPolynomialRelations was build 782 of 4096 xjuncts. [2021-08-22 18:01:24,547 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-22 18:01:24,547 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-22 18:01:24,548 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-22 18:01:24,553 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-22 18:01:24,553 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-22 18:01:24,554 INFO L202 PluginConnector]: Adding new model simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 06:01:24 BasicIcfg [2021-08-22 18:01:24,554 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-22 18:01:24,555 INFO L168 Benchmark]: Toolchain (without parser) took 840810.81 ms. Allocated memory was 217.1 MB in the beginning and 715.1 MB in the end (delta: 498.1 MB). Free memory was 196.6 MB in the beginning and 447.0 MB in the end (delta: -250.4 MB). Peak memory consumption was 620.2 MB. Max. memory is 8.0 GB. [2021-08-22 18:01:24,555 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 217.1 MB. Free memory was 197.8 MB in the beginning and 197.8 MB in the end (delta: 60.6 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-22 18:01:24,555 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.57 ms. Allocated memory is still 217.1 MB. Free memory was 196.5 MB in the beginning and 195.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-22 18:01:24,555 INFO L168 Benchmark]: Boogie Preprocessor took 17.27 ms. Allocated memory is still 217.1 MB. Free memory was 195.1 MB in the beginning and 194.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-22 18:01:24,555 INFO L168 Benchmark]: RCFGBuilder took 284.83 ms. Allocated memory is still 217.1 MB. Free memory was 193.9 MB in the beginning and 180.2 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-08-22 18:01:24,555 INFO L168 Benchmark]: TraceAbstraction took 840483.61 ms. Allocated memory was 217.1 MB in the beginning and 715.1 MB in the end (delta: 498.1 MB). Free memory was 179.7 MB in the beginning and 447.0 MB in the end (delta: -267.3 MB). Peak memory consumption was 603.4 MB. Max. memory is 8.0 GB. [2021-08-22 18:01:24,556 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 0.11 ms. Allocated memory is still 217.1 MB. Free memory was 197.8 MB in the beginning and 197.8 MB in the end (delta: 60.6 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 20.57 ms. Allocated memory is still 217.1 MB. Free memory was 196.5 MB in the beginning and 195.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 17.27 ms. Allocated memory is still 217.1 MB. Free memory was 195.1 MB in the beginning and 194.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 284.83 ms. Allocated memory is still 217.1 MB. Free memory was 193.9 MB in the beginning and 180.2 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 840483.61 ms. Allocated memory was 217.1 MB in the beginning and 715.1 MB in the end (delta: 498.1 MB). Free memory was 179.7 MB in the beginning and 447.0 MB in the end (delta: -267.3 MB). Peak memory consumption was 603.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7958, positive: 5955, positive conditional: 5623, positive unconditional: 332, negative: 2003, negative conditional: 1999, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6176, positive: 5955, positive conditional: 5623, positive unconditional: 332, negative: 221, negative conditional: 217, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6176, positive: 5955, positive conditional: 5623, positive unconditional: 332, negative: 221, negative conditional: 217, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8884, positive: 5955, positive conditional: 5477, positive unconditional: 478, negative: 2929, negative conditional: 2708, negative unconditional: 221, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8884, positive: 5955, positive conditional: 5359, positive unconditional: 596, negative: 2929, negative conditional: 2708, negative unconditional: 221, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8884, positive: 5955, positive conditional: 5359, positive unconditional: 596, negative: 2929, negative conditional: 2708, negative unconditional: 221, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 486, positive: 311, positive conditional: 16, positive unconditional: 295, negative: 175, negative conditional: 170, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 486, positive: 295, positive conditional: 0, positive unconditional: 295, negative: 191, negative conditional: 0, negative unconditional: 191, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 191, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 175, negative conditional: 170, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 392, positive: 46, positive conditional: 46, positive unconditional: 0, negative: 346, negative conditional: 282, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8884, positive: 5644, positive conditional: 5343, positive unconditional: 301, negative: 2754, negative conditional: 2538, negative unconditional: 216, unknown: 486, unknown conditional: 186, unknown unconditional: 300] , Statistics on independence cache: Total cache size (in pairs): 486, Positive cache size: 311, Positive conditional cache size: 16, Positive unconditional cache size: 295, Negative cache size: 175, Negative conditional cache size: 170, Negative unconditional cache size: 5, Eliminated conditions: 118, Maximal queried relation: 18, Independence queries for same thread: 1782 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 107, Number of persistent set computation: 24, Number of trivial persistent sets: 9, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 336, positive: 332, positive conditional: 0, positive unconditional: 332, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7958, positive: 5955, positive conditional: 5623, positive unconditional: 332, negative: 2003, negative conditional: 1999, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6176, positive: 5955, positive conditional: 5623, positive unconditional: 332, negative: 221, negative conditional: 217, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6176, positive: 5955, positive conditional: 5623, positive unconditional: 332, negative: 221, negative conditional: 217, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8884, positive: 5955, positive conditional: 5477, positive unconditional: 478, negative: 2929, negative conditional: 2708, negative unconditional: 221, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8884, positive: 5955, positive conditional: 5359, positive unconditional: 596, negative: 2929, negative conditional: 2708, negative unconditional: 221, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8884, positive: 5955, positive conditional: 5359, positive unconditional: 596, negative: 2929, negative conditional: 2708, negative unconditional: 221, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 486, positive: 311, positive conditional: 16, positive unconditional: 295, negative: 175, negative conditional: 170, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 486, positive: 295, positive conditional: 0, positive unconditional: 295, negative: 191, negative conditional: 0, negative unconditional: 191, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 191, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 175, negative conditional: 170, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 392, positive: 46, positive conditional: 46, positive unconditional: 0, negative: 346, negative conditional: 282, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8884, positive: 5644, positive conditional: 5343, positive unconditional: 301, negative: 2754, negative conditional: 2538, negative unconditional: 216, unknown: 486, unknown conditional: 186, unknown unconditional: 300] , Statistics on independence cache: Total cache size (in pairs): 486, Positive cache size: 311, Positive conditional cache size: 16, Positive unconditional cache size: 295, Negative cache size: 175, Negative conditional cache size: 170, Negative unconditional cache size: 5, Eliminated conditions: 118, Maximal queried relation: 18, Independence queries for same thread: 1782 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 68]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 101 with TraceHistMax 12,while TraceCheckSpWp was constructing forward predicates,while ExplicitLhsPolynomialRelations was build 782 of 4096 xjuncts. - TimeoutResultAtElement [Line: 61]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 101 with TraceHistMax 12,while TraceCheckSpWp was constructing forward predicates,while ExplicitLhsPolynomialRelations was build 782 of 4096 xjuncts. - TimeoutResultAtElement [Line: 62]: 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 101 with TraceHistMax 12,while TraceCheckSpWp was constructing forward predicates,while ExplicitLhsPolynomialRelations was build 782 of 4096 xjuncts. - TimeoutResultAtElement [Line: 61]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 101 with TraceHistMax 12,while TraceCheckSpWp was constructing forward predicates,while ExplicitLhsPolynomialRelations was build 782 of 4096 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 840405.3ms, OverallIterations: 22, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 21.0ms, PartialOrderReductionTime: 29356.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 528, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 158.4ms SsaConstructionTime, 821.9ms SatisfiabilityAnalysisTime, 90741.1ms InterpolantComputationTime, 2495 NumberOfCodeBlocks, 2495 NumberOfCodeBlocksAsserted, 108 NumberOfCheckSat, 2454 ConstructedInterpolants, 61 QuantifiedInterpolants, 74445 SizeOfPredicates, 82 NumberOfNonLiveVariables, 3180 ConjunctsInSsa, 916 ConjunctsInUnsatCore, 41 InterpolantComputations, 1 PerfectInterpolantSequences, 2467/7368 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