/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-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/three-array-sum-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-22 20:45:28,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-22 20:45:28,498 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-22 20:45:28,532 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-22 20:45:28,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-22 20:45:28,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-22 20:45:28,553 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-22 20:45:28,558 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-22 20:45:28,559 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-22 20:45:28,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-22 20:45:28,560 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-22 20:45:28,561 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-22 20:45:28,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-22 20:45:28,564 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-22 20:45:28,565 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-22 20:45:28,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-22 20:45:28,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-22 20:45:28,588 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-Lockstep.epf [2021-08-22 20:45:28,632 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-22 20:45:28,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-22 20:45:28,633 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-22 20:45:28,633 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-22 20:45:28,635 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-22 20:45:28,636 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-22 20:45:28,636 INFO L138 SettingsManager]: * Use SBE=true [2021-08-22 20:45:28,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-22 20:45:28,636 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-22 20:45:28,636 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-22 20:45:28,637 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-22 20:45:28,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-22 20:45:28,637 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-22 20:45:28,637 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-22 20:45:28,637 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-22 20:45:28,637 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-22 20:45:28,638 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-22 20:45:28,638 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-22 20:45:28,638 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-22 20:45:28,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-22 20:45:28,638 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-22 20:45:28,638 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-22 20:45:28,638 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-22 20:45:28,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 20:45:28,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-22 20:45:28,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-22 20:45:28,639 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-22 20:45:28,639 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-22 20:45:28,639 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-22 20:45:28,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-22 20:45:28,659 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-22 20:45:28,659 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-22 20:45:28,659 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-22 20:45:28,659 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-08-22 20:45:28,660 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-08-22 20:45:28,660 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-22 20:45:28,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-22 20:45:28,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-22 20:45:28,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-22 20:45:28,925 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-22 20:45:28,927 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-22 20:45:28,928 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/three-array-sum-alt.wvr.bpl [2021-08-22 20:45:28,929 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/three-array-sum-alt.wvr.bpl' [2021-08-22 20:45:28,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-22 20:45:28,958 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-22 20:45:28,959 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-22 20:45:28,959 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-22 20:45:28,959 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-22 20:45:28,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 08:45:28" (1/1) ... [2021-08-22 20:45:28,977 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 08:45:28" (1/1) ... [2021-08-22 20:45:28,985 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-22 20:45:28,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-22 20:45:28,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-22 20:45:28,987 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-22 20:45:28,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 08:45:28" (1/1) ... [2021-08-22 20:45:28,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 08:45:28" (1/1) ... [2021-08-22 20:45:28,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 08:45:28" (1/1) ... [2021-08-22 20:45:28,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 08:45:28" (1/1) ... [2021-08-22 20:45:28,997 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 08:45:28" (1/1) ... [2021-08-22 20:45:28,999 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 08:45:28" (1/1) ... [2021-08-22 20:45:29,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 08:45:28" (1/1) ... [2021-08-22 20:45:29,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-22 20:45:29,002 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-22 20:45:29,002 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-22 20:45:29,002 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-22 20:45:29,004 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 08:45:28" (1/1) ... [2021-08-22 20:45:29,010 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 20:45:29,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:45:29,047 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 20:45:29,049 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 20:45:29,080 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-22 20:45:29,080 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-22 20:45:29,080 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-22 20:45:29,080 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-22 20:45:29,080 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-22 20:45:29,080 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-22 20:45:29,082 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-22 20:45:29,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-22 20:45:29,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-22 20:45:29,082 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-22 20:45:29,082 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-22 20:45:29,082 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-22 20:45:29,083 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 20:45:29,300 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-22 20:45:29,301 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-22 20:45:29,303 INFO L202 PluginConnector]: Adding new model three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 08:45:29 BoogieIcfgContainer [2021-08-22 20:45:29,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-22 20:45:29,305 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-22 20:45:29,305 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-22 20:45:29,307 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-22 20:45:29,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 08:45:28" (1/2) ... [2021-08-22 20:45:29,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61971e2e and model type three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 08:45:29, skipping insertion in model container [2021-08-22 20:45:29,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 08:45:29" (2/2) ... [2021-08-22 20:45:29,310 INFO L111 eAbstractionObserver]: Analyzing ICFG three-array-sum-alt.wvr.bpl [2021-08-22 20:45:29,328 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-22 20:45:29,328 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-22 20:45:29,328 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-22 20:45:29,328 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-22 20:45:29,365 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-08-22 20:45:29,402 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-22 20:45:29,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:45:29,461 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 20:45:29,525 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 20:45:29,553 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-22 20:45:29,559 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 20:45:29,559 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-22 20:45:29,658 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:45:29,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:45:29,665 INFO L82 PathProgramCache]: Analyzing trace with hash -169419356, now seen corresponding path program 1 times [2021-08-22 20:45:29,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:45:29,670 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392258561] [2021-08-22 20:45:29,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:45:29,671 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:45:29,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:45:29,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 20:45:29,847 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:45:29,847 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392258561] [2021-08-22 20:45:29,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392258561] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 20:45:29,848 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 20:45:29,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-22 20:45:29,849 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918082111] [2021-08-22 20:45:29,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 20:45:29,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:45:29,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 20:45:29,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 20:45:29,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:45:29,865 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:45:29,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 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 20:45:29,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:45:29,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:45:29,882 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-22 20:45:29,882 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:45:29,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:45:29,882 INFO L82 PathProgramCache]: Analyzing trace with hash 1104173506, now seen corresponding path program 1 times [2021-08-22 20:45:29,883 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:45:29,883 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502552150] [2021-08-22 20:45:29,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:45:29,883 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:45:29,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:45:29,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 20:45:29,942 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:45:29,942 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502552150] [2021-08-22 20:45:29,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502552150] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:45:29,942 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [551569873] [2021-08-22 20:45:29,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:45:29,943 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:45:29,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:45:29,944 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 20:45:29,945 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 20:45:30,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:45:30,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-22 20:45:30,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:45:30,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 20:45:30,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [551569873] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:45:30,113 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:45:30,113 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 5 [2021-08-22 20:45:30,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120493359] [2021-08-22 20:45:30,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-22 20:45:30,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:45:30,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-22 20:45:30,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-08-22 20:45:30,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:45:30,117 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:45:30,117 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 20:45:30,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:45:30,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:45:30,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:45:30,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:30,221 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-22 20:45:30,416 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 20:45:30,416 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:45:30,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:45:30,417 INFO L82 PathProgramCache]: Analyzing trace with hash 531174756, now seen corresponding path program 1 times [2021-08-22 20:45:30,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:45:30,417 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31070715] [2021-08-22 20:45:30,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:45:30,417 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:45:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:45:30,469 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-22 20:45:30,470 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:45:30,470 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31070715] [2021-08-22 20:45:30,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31070715] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:45:30,471 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1088343143] [2021-08-22 20:45:30,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:45:30,472 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:45:30,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:45:30,473 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 20:45:30,474 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 20:45:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:45:30,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-22 20:45:30,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:45:30,625 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-22 20:45:30,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1088343143] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:45:30,625 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:45:30,626 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 5 [2021-08-22 20:45:30,626 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066240363] [2021-08-22 20:45:30,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-22 20:45:30,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:45:30,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-22 20:45:30,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-08-22 20:45:30,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:45:30,632 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:45:30,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 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 20:45:30,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:45:30,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:30,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:45:30,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:45:30,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:30,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:30,714 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-22 20:45:30,908 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 20:45:30,908 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:45:30,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:45:30,910 INFO L82 PathProgramCache]: Analyzing trace with hash -517230334, now seen corresponding path program 1 times [2021-08-22 20:45:30,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:45:30,910 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293306029] [2021-08-22 20:45:30,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:45:30,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:45:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:45:31,037 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 20:45:31,037 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:45:31,038 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293306029] [2021-08-22 20:45:31,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293306029] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:45:31,038 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1228838533] [2021-08-22 20:45:31,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:45:31,038 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:45:31,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:45:31,039 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 20:45:31,041 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 20:45:31,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:45:31,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 20 conjunts are in the unsatisfiable core [2021-08-22 20:45:31,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:45:31,421 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 20 treesize of output 16 [2021-08-22 20:45:31,426 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 20:45:31,514 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 20:45:31,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1228838533] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:45:31,514 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:45:31,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-08-22 20:45:31,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840532204] [2021-08-22 20:45:31,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-22 20:45:31,515 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:45:31,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-22 20:45:31,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-22 20:45:31,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:45:31,516 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:45:31,516 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 7 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 20:45:31,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:45:31,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:31,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:31,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:45:31,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:45:31,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:31,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:31,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 20:45:31,581 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 20:45:31,778 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 20:45:31,779 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:45:31,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:45:31,779 INFO L82 PathProgramCache]: Analyzing trace with hash -1845289312, now seen corresponding path program 2 times [2021-08-22 20:45:31,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:45:31,780 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593555259] [2021-08-22 20:45:31,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:45:31,780 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:45:31,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:45:31,819 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-22 20:45:31,819 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:45:31,819 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593555259] [2021-08-22 20:45:31,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593555259] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:45:31,819 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956196991] [2021-08-22 20:45:31,819 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-22 20:45:31,819 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:45:31,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:45:31,820 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 20:45:31,821 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 20:45:31,896 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-22 20:45:31,897 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 20:45:31,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-22 20:45:31,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:45:31,975 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 20:45:31,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [956196991] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:45:31,976 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:45:31,976 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-08-22 20:45:31,976 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361071491] [2021-08-22 20:45:31,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-22 20:45:31,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:45:31,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-22 20:45:31,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-08-22 20:45:31,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:45:31,977 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:45:31,977 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 20:45:31,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:45:31,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:31,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:31,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 20:45:31,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:45:32,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:45:32,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:32,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:32,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 20:45:32,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:32,073 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 20:45:32,270 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 20:45:32,270 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:45:32,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:45:32,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1070352834, now seen corresponding path program 3 times [2021-08-22 20:45:32,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:45:32,271 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579052728] [2021-08-22 20:45:32,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:45:32,271 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:45:32,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:45:32,308 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-22 20:45:32,308 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:45:32,308 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579052728] [2021-08-22 20:45:32,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579052728] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:45:32,308 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1903813155] [2021-08-22 20:45:32,308 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-22 20:45:32,308 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:45:32,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:45:32,309 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 20:45:32,310 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 20:45:32,393 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-08-22 20:45:32,393 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 20:45:32,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-22 20:45:32,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:45:32,476 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-22 20:45:32,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1903813155] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:45:32,476 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:45:32,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-08-22 20:45:32,477 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306701098] [2021-08-22 20:45:32,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-22 20:45:32,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:45:32,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-22 20:45:32,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-08-22 20:45:32,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:45:32,477 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:45:32,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 20:45:32,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:45:32,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:32,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:32,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 20:45:32,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:32,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:45:32,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:45:32,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:32,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:32,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 20:45:32,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:32,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:32,582 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 20:45:32,782 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 20:45:32,782 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:45:32,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:45:32,783 INFO L82 PathProgramCache]: Analyzing trace with hash -2058140192, now seen corresponding path program 4 times [2021-08-22 20:45:32,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:45:32,783 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679081245] [2021-08-22 20:45:32,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:45:32,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:45:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:45:33,139 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 20:45:33,140 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:45:33,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679081245] [2021-08-22 20:45:33,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679081245] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:45:33,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [282551924] [2021-08-22 20:45:33,140 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-22 20:45:33,140 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:45:33,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:45:33,155 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 20:45:33,165 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 20:45:33,260 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-22 20:45:33,261 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 20:45:33,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 33 conjunts are in the unsatisfiable core [2021-08-22 20:45:33,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:45:33,791 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 18 treesize of output 17 [2021-08-22 20:45:33,908 INFO L354 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2021-08-22 20:45:33,909 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 57 treesize of output 48 [2021-08-22 20:45:33,913 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 30 treesize of output 18 [2021-08-22 20:45:33,999 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 20:45:33,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [282551924] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:45:33,999 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:45:33,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 14 [2021-08-22 20:45:33,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233495119] [2021-08-22 20:45:34,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-22 20:45:34,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:45:34,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-22 20:45:34,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2021-08-22 20:45:34,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:45:34,001 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:45:34,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 14 states have internal predecessors, (40), 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 20:45:34,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:45:34,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:34,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:34,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 20:45:34,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:34,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:34,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:45:34,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:45:34,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:34,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:34,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 20:45:34,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:34,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:34,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:45:34,404 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-22 20:45:34,601 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 20:45:34,602 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:45:34,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:45:34,602 INFO L82 PathProgramCache]: Analyzing trace with hash 898921628, now seen corresponding path program 5 times [2021-08-22 20:45:34,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:45:34,602 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266957952] [2021-08-22 20:45:34,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:45:34,602 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:45:34,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:45:34,658 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-22 20:45:34,658 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:45:34,658 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266957952] [2021-08-22 20:45:34,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266957952] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:45:34,658 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1071269744] [2021-08-22 20:45:34,658 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-22 20:45:34,658 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:45:34,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:45:34,673 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 20:45:34,688 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 20:45:34,830 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-08-22 20:45:34,830 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 20:45:34,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-22 20:45:34,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:45:34,936 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-22 20:45:34,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1071269744] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:45:34,936 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:45:34,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-08-22 20:45:34,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717684771] [2021-08-22 20:45:34,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-22 20:45:34,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:45:34,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-22 20:45:34,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-08-22 20:45:34,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:45:34,937 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:45:34,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.7) internal successors, (37), 9 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 20:45:34,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:45:34,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:34,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:34,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 20:45:34,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:34,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:34,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:45:34,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:45:35,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:45:35,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:35,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:35,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 20:45:35,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:35,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:35,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:45:35,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:45:35,077 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 20:45:35,277 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 20:45:35,277 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:45:35,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:45:35,278 INFO L82 PathProgramCache]: Analyzing trace with hash -430814624, now seen corresponding path program 6 times [2021-08-22 20:45:35,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:45:35,278 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511744958] [2021-08-22 20:45:35,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:45:35,278 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:45:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:45:35,332 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-08-22 20:45:35,333 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:45:35,333 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511744958] [2021-08-22 20:45:35,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511744958] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:45:35,333 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1961633578] [2021-08-22 20:45:35,333 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-22 20:45:35,333 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:45:35,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:45:35,334 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 20:45:35,335 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 20:45:35,499 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-08-22 20:45:35,499 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 20:45:35,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-22 20:45:35,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:45:35,606 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-08-22 20:45:35,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1961633578] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:45:35,606 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:45:35,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2021-08-22 20:45:35,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934078416] [2021-08-22 20:45:35,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-22 20:45:35,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:45:35,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-22 20:45:35,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-08-22 20:45:35,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:45:35,607 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:45:35,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 10 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 20:45:35,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:45:35,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:35,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:35,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 20:45:35,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:35,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:35,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:45:35,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:45:35,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:45:35,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:45:35,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:35,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:35,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 20:45:35,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:35,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:35,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:45:35,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:45:35,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:45:35,779 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 20:45:35,977 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 20:45:35,978 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:45:35,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:45:35,978 INFO L82 PathProgramCache]: Analyzing trace with hash -2126236644, now seen corresponding path program 7 times [2021-08-22 20:45:35,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:45:35,978 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730125953] [2021-08-22 20:45:35,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:45:35,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:45:35,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:45:36,564 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 20:45:36,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:45:36,564 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730125953] [2021-08-22 20:45:36,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730125953] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:45:36,565 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115430289] [2021-08-22 20:45:36,565 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-22 20:45:36,565 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:45:36,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:45:36,565 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 20:45:36,594 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 20:45:36,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:45:36,772 WARN L261 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 59 conjunts are in the unsatisfiable core [2021-08-22 20:45:36,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:45:37,423 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 18 treesize of output 17 [2021-08-22 20:45:37,513 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 33 treesize of output 33 [2021-08-22 20:45:37,610 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 50 treesize of output 53 [2021-08-22 20:45:37,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 83 [2021-08-22 20:45:37,732 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 55 treesize of output 51 [2021-08-22 20:45:37,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 27 [2021-08-22 20:45:37,799 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 20:45:37,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2115430289] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:45:37,799 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:45:37,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14] total 24 [2021-08-22 20:45:37,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300317970] [2021-08-22 20:45:37,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-08-22 20:45:37,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:45:37,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-08-22 20:45:37,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2021-08-22 20:45:37,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:45:37,800 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:45:37,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.4) internal successors, (60), 24 states have internal predecessors, (60), 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 20:45:37,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:45:37,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:37,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:37,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 20:45:37,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:37,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:37,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:45:37,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:45:37,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:45:37,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:45:38,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:45:38,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:38,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:38,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 20:45:38,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:38,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:38,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:45:38,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:45:38,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:45:38,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-22 20:45:38,723 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 20:45:38,905 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 20:45:38,905 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:45:38,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:45:38,906 INFO L82 PathProgramCache]: Analyzing trace with hash 1548574612, now seen corresponding path program 8 times [2021-08-22 20:45:38,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:45:38,906 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185976662] [2021-08-22 20:45:38,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:45:38,906 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:45:38,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:45:39,029 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 36 proven. 44 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-08-22 20:45:39,029 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:45:39,030 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185976662] [2021-08-22 20:45:39,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185976662] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:45:39,030 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131233969] [2021-08-22 20:45:39,030 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-22 20:45:39,030 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:45:39,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:45:39,031 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 20:45:39,062 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 20:45:39,295 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-22 20:45:39,295 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 20:45:39,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-22 20:45:39,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:45:39,432 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 49 proven. 31 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-08-22 20:45:39,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [131233969] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:45:39,432 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:45:39,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 15 [2021-08-22 20:45:39,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805153957] [2021-08-22 20:45:39,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-08-22 20:45:39,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:45:39,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-08-22 20:45:39,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2021-08-22 20:45:39,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:45:39,433 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:45:39,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.0625) internal successors, (49), 15 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 20:45:39,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:45:39,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:39,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:39,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 20:45:39,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:39,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:39,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:45:39,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:45:39,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:45:39,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-22 20:45:39,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:45:39,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:45:39,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:39,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:39,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 20:45:39,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:39,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:39,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:45:39,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:45:39,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:45:39,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-22 20:45:39,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:45:39,697 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 20:45:39,881 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 20:45:39,882 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:45:39,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:45:39,882 INFO L82 PathProgramCache]: Analyzing trace with hash 2021361948, now seen corresponding path program 9 times [2021-08-22 20:45:39,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:45:39,882 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492782189] [2021-08-22 20:45:39,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:45:39,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:45:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:45:40,034 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 36 proven. 44 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-08-22 20:45:40,034 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:45:40,035 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492782189] [2021-08-22 20:45:40,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492782189] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:45:40,035 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284633484] [2021-08-22 20:45:40,035 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-22 20:45:40,035 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:45:40,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:45:40,036 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 20:45:40,037 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 20:45:40,327 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-08-22 20:45:40,328 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 20:45:40,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 26 conjunts are in the unsatisfiable core [2021-08-22 20:45:40,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:45:40,877 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 51 proven. 44 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-08-22 20:45:40,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [284633484] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:45:40,877 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:45:40,878 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16] total 29 [2021-08-22 20:45:40,878 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815667562] [2021-08-22 20:45:40,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-08-22 20:45:40,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:45:40,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-08-22 20:45:40,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=693, Unknown=0, NotChecked=0, Total=870 [2021-08-22 20:45:40,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:45:40,881 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:45:40,881 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 2.6) internal successors, (78), 29 states have internal predecessors, (78), 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 20:45:40,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:45:40,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:40,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:40,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 20:45:40,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:40,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:40,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:45:40,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:45:40,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:45:40,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-22 20:45:40,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:45:40,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:45:41,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:45:41,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:41,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:41,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 20:45:41,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:41,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:41,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:45:41,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:45:41,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:45:41,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-22 20:45:41,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:45:41,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-22 20:45:41,390 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 20:45:41,579 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 20:45:41,580 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:45:41,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:45:41,580 INFO L82 PathProgramCache]: Analyzing trace with hash 1934639990, now seen corresponding path program 10 times [2021-08-22 20:45:41,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:45:41,580 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661352713] [2021-08-22 20:45:41,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:45:41,581 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:45:41,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:45:41,780 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 36 proven. 77 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-08-22 20:45:41,780 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:45:41,780 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661352713] [2021-08-22 20:45:41,780 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661352713] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:45:41,781 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1867883495] [2021-08-22 20:45:41,781 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-22 20:45:41,781 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:45:41,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:45:41,809 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 20:45:41,857 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 20:45:42,196 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-22 20:45:42,196 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 20:45:42,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 17 conjunts are in the unsatisfiable core [2021-08-22 20:45:42,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:45:42,398 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 49 proven. 64 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-08-22 20:45:42,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1867883495] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:45:42,399 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:45:42,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 18 [2021-08-22 20:45:42,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491577568] [2021-08-22 20:45:42,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-08-22 20:45:42,399 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:45:42,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-22 20:45:42,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2021-08-22 20:45:42,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:45:42,400 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:45:42,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.8947368421052633) internal successors, (55), 18 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 20:45:42,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:45:42,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:42,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:42,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 20:45:42,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:42,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:42,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:45:42,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:45:42,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:45:42,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-22 20:45:42,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:45:42,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-08-22 20:45:42,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:45:42,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:45:42,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:42,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:42,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 20:45:42,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:42,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:42,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:45:42,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:45:42,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:45:42,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-22 20:45:42,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:45:42,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-22 20:45:42,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-22 20:45:42,837 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2021-08-22 20:45:43,035 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 20:45:43,035 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:45:43,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:45:43,035 INFO L82 PathProgramCache]: Analyzing trace with hash -406871404, now seen corresponding path program 11 times [2021-08-22 20:45:43,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:45:43,036 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257875612] [2021-08-22 20:45:43,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:45:43,036 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:45:43,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:45:44,650 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 20:45:44,650 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:45:44,650 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257875612] [2021-08-22 20:45:44,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257875612] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:45:44,651 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764074265] [2021-08-22 20:45:44,651 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-22 20:45:44,651 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:45:44,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:45:44,665 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 20:45:44,728 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 20:45:45,158 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-08-22 20:45:45,158 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 20:45:45,159 WARN L261 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 111 conjunts are in the unsatisfiable core [2021-08-22 20:45:45,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:45:46,664 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 12 treesize of output 11 [2021-08-22 20:45:46,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:45:46,787 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 41 treesize of output 41 [2021-08-22 20:45:46,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:45:46,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:45:46,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:45:46,930 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 66 treesize of output 67 [2021-08-22 20:45:47,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:45:47,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:45:47,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:45:47,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:45:47,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:45:47,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:45:47,114 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 93 treesize of output 97 [2021-08-22 20:45:47,335 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 81 treesize of output 88 [2021-08-22 20:45:47,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:45:47,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:45:47,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:45:47,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:45:47,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:45:47,529 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 124 treesize of output 130 [2021-08-22 20:45:47,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:45:47,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:45:47,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:45:47,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:45:47,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:45:47,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:45:47,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:45:47,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:45:47,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:45:47,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:45:47,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:45:47,755 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 128 treesize of output 137 [2021-08-22 20:45:48,000 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 201 treesize of output 181 [2021-08-22 20:45:48,004 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 162 treesize of output 130 [2021-08-22 20:45:48,007 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 99 treesize of output 51 [2021-08-22 20:45:48,089 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 20:45:48,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1764074265] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:45:48,090 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:45:48,090 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 26] total 44 [2021-08-22 20:45:48,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946115577] [2021-08-22 20:45:48,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2021-08-22 20:45:48,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:45:48,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-08-22 20:45:48,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=1838, Unknown=0, NotChecked=0, Total=1980 [2021-08-22 20:45:48,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:45:48,091 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:45:48,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 2.2222222222222223) internal successors, (100), 44 states have internal predecessors, (100), 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 20:45:48,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:45:48,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:48,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:48,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 20:45:48,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:48,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:48,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:45:48,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:45:48,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:45:48,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-22 20:45:48,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:45:48,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-08-22 20:45:48,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-22 20:45:48,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:45:50,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:45:50,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:50,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:50,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 20:45:50,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:50,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:50,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:45:50,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:45:50,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:45:50,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-22 20:45:50,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:45:50,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-22 20:45:50,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-22 20:45:50,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-22 20:45:50,584 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2021-08-22 20:45:50,760 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 20:45:50,761 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:45:50,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:45:50,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1008284036, now seen corresponding path program 12 times [2021-08-22 20:45:50,761 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:45:50,762 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395845942] [2021-08-22 20:45:50,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:45:50,762 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:45:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:45:51,047 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 196 proven. 124 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-08-22 20:45:51,048 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:45:51,048 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395845942] [2021-08-22 20:45:51,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395845942] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:45:51,048 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434283444] [2021-08-22 20:45:51,048 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-22 20:45:51,048 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:45:51,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:45:51,049 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 20:45:51,050 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 20:45:51,551 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2021-08-22 20:45:51,551 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 20:45:51,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 19 conjunts are in the unsatisfiable core [2021-08-22 20:45:51,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:45:51,873 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 64 proven. 200 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-08-22 20:45:51,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1434283444] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:45:51,874 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:45:51,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 19] total 34 [2021-08-22 20:45:51,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926302742] [2021-08-22 20:45:51,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2021-08-22 20:45:51,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:45:51,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-08-22 20:45:51,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=308, Invalid=882, Unknown=0, NotChecked=0, Total=1190 [2021-08-22 20:45:51,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:45:51,875 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:45:51,875 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.6285714285714286) internal successors, (92), 34 states have internal predecessors, (92), 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 20:45:51,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:45:51,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:51,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:51,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 20:45:51,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:51,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:51,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:45:51,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:45:51,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:45:51,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-22 20:45:51,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:45:51,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-08-22 20:45:51,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-22 20:45:51,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-22 20:45:51,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:45:52,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:45:52,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:52,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:52,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 20:45:52,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:52,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:52,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:45:52,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:45:52,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:45:52,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-22 20:45:52,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:45:52,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-22 20:45:52,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-22 20:45:52,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-22 20:45:52,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-08-22 20:45:52,893 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 20:45:53,092 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 20:45:53,093 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:45:53,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:45:53,093 INFO L82 PathProgramCache]: Analyzing trace with hash 967015572, now seen corresponding path program 13 times [2021-08-22 20:45:53,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:45:53,093 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973521099] [2021-08-22 20:45:53,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:45:53,093 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:45:53,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:45:53,396 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 196 proven. 124 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2021-08-22 20:45:53,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:45:53,396 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973521099] [2021-08-22 20:45:53,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973521099] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:45:53,396 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [234265357] [2021-08-22 20:45:53,396 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-22 20:45:53,396 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:45:53,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:45:53,397 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 20:45:53,398 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 20:45:53,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:45:53,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 26 conjunts are in the unsatisfiable core [2021-08-22 20:45:53,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:45:54,163 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 225 proven. 95 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2021-08-22 20:45:54,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [234265357] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:45:54,164 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:45:54,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 27 [2021-08-22 20:45:54,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983044406] [2021-08-22 20:45:54,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-08-22 20:45:54,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:45:54,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-08-22 20:45:54,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2021-08-22 20:45:54,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:45:54,165 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:45:54,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 2.607142857142857) internal successors, (73), 27 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 20:45:54,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:45:54,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:54,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:54,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 20:45:54,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:54,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:54,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:45:54,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:45:54,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:45:54,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-22 20:45:54,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:45:54,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-08-22 20:45:54,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-22 20:45:54,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-22 20:45:54,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-08-22 20:45:54,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:45:54,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:45:54,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:54,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:45:54,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 20:45:54,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:54,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:45:54,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:45:54,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:45:54,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:45:54,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-22 20:45:54,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:45:54,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-22 20:45:54,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-22 20:45:54,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-22 20:45:54,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-08-22 20:45:54,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-08-22 20:45:54,753 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-08-22 20:45:54,932 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 20:45:54,932 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:45:54,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:45:54,933 INFO L82 PathProgramCache]: Analyzing trace with hash -1569667196, now seen corresponding path program 14 times [2021-08-22 20:45:54,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:45:54,933 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053152892] [2021-08-22 20:45:54,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:45:54,933 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:45:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:46:00,158 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 0 proven. 768 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 20:46:00,159 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:46:00,159 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053152892] [2021-08-22 20:46:00,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053152892] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:46:00,159 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509722744] [2021-08-22 20:46:00,159 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-22 20:46:00,159 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:46:00,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:46:00,160 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 20:46:00,160 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 20:46:00,780 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-22 20:46:00,780 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 20:46:00,789 WARN L261 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 215 conjunts are in the unsatisfiable core [2021-08-22 20:46:00,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:46:04,960 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 18 treesize of output 17 [2021-08-22 20:46:05,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:05,200 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 49 treesize of output 47 [2021-08-22 20:46:05,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:05,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:05,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:05,508 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 76 treesize of output 77 [2021-08-22 20:46:05,814 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 64 treesize of output 68 [2021-08-22 20:46:06,143 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 91 treesize of output 94 [2021-08-22 20:46:06,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:06,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:06,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:06,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:06,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:06,510 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 124 treesize of output 130 [2021-08-22 20:46:06,964 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 112 treesize of output 123 [2021-08-22 20:46:07,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:07,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:07,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:07,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:07,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:07,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:07,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:07,437 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 170 treesize of output 182 [2021-08-22 20:46:07,996 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 183 treesize of output 198 [2021-08-22 20:46:08,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:08,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:08,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:08,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:08,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:08,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:08,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:08,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:08,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:08,519 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 171 treesize of output 191 [2021-08-22 20:46:08,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:08,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:08,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:08,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:08,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:08,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:08,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:09,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:09,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:09,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:09,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:09,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:09,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:09,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:09,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:09,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:09,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:09,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:09,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:09,024 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 243 treesize of output 256 [2021-08-22 20:46:09,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 194 treesize of output 218 [2021-08-22 20:46:10,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 275 treesize of output 302 [2021-08-22 20:46:10,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:10,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:10,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:10,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:10,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:10,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:10,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:10,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:10,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:10,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:10,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:10,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:10,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:10,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 302 treesize of output 328 [2021-08-22 20:46:11,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:11,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:11,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:11,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:11,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:11,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:11,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:11,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:11,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:11,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:11,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:11,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:11,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:11,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:11,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:11,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:11,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:11,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:11,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:11,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:11,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:11,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:11,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:11,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:11,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:11,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:11,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:46:11,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 261 treesize of output 292 [2021-08-22 20:46:12,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 120 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 409 treesize of output 321 [2021-08-22 20:46:12,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 120 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 91 [2021-08-22 20:46:12,158 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 0 proven. 768 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 20:46:12,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1509722744] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:46:12,158 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:46:12,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 50] total 84 [2021-08-22 20:46:12,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822635298] [2021-08-22 20:46:12,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2021-08-22 20:46:12,159 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:46:12,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2021-08-22 20:46:12,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=338, Invalid=6802, Unknown=0, NotChecked=0, Total=7140 [2021-08-22 20:46:12,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:46:12,161 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:46:12,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.1176470588235294) internal successors, (180), 84 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 20:46:12,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:46:12,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:46:12,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:46:12,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 20:46:12,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:46:12,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:46:12,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:46:12,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:46:12,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:46:12,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-22 20:46:12,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:46:12,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-08-22 20:46:12,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-22 20:46:12,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-22 20:46:12,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-08-22 20:46:12,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-08-22 20:46:12,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:46:20,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:46:20,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:46:20,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:46:20,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 20:46:20,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:46:20,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:46:20,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:46:20,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:46:20,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:46:20,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-22 20:46:20,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:46:20,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-22 20:46:20,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-22 20:46:20,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-22 20:46:20,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-08-22 20:46:20,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-08-22 20:46:20,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-08-22 20:46:20,200 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 20:46:20,381 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 20:46:20,382 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:46:20,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:46:20,382 INFO L82 PathProgramCache]: Analyzing trace with hash -1985952412, now seen corresponding path program 15 times [2021-08-22 20:46:20,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:46:20,382 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317105992] [2021-08-22 20:46:20,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:46:20,382 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:46:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:46:21,458 INFO L134 CoverageAnalysis]: Checked inductivity of 1536 backedges. 900 proven. 380 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2021-08-22 20:46:21,458 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:46:21,458 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317105992] [2021-08-22 20:46:21,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317105992] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:46:21,458 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393166177] [2021-08-22 20:46:21,458 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-22 20:46:21,458 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:46:21,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:46:21,459 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 20:46:21,462 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 20:46:22,489 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 33 check-sat command(s) [2021-08-22 20:46:22,490 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 20:46:22,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 50 conjunts are in the unsatisfiable core [2021-08-22 20:46:22,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:46:22,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1536 backedges. 961 proven. 319 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2021-08-22 20:46:22,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [393166177] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:46:22,866 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:46:22,866 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 50] total 51 [2021-08-22 20:46:22,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710253907] [2021-08-22 20:46:22,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2021-08-22 20:46:22,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:46:22,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-08-22 20:46:22,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=734, Invalid=1918, Unknown=0, NotChecked=0, Total=2652 [2021-08-22 20:46:22,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:46:22,867 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:46:22,867 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 2.326923076923077) internal successors, (121), 51 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 20:46:22,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:46:22,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:46:22,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:46:22,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 20:46:22,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:46:22,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:46:22,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:46:22,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:46:22,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:46:22,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-22 20:46:22,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:46:22,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-08-22 20:46:22,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-22 20:46:22,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-22 20:46:22,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-08-22 20:46:22,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-08-22 20:46:22,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-08-22 20:46:22,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:46:24,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:46:24,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:46:24,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:46:24,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 20:46:24,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:46:24,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:46:24,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:46:24,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:46:24,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:46:24,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-22 20:46:24,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:46:24,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-22 20:46:24,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-22 20:46:24,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-22 20:46:24,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-08-22 20:46:24,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-08-22 20:46:24,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-08-22 20:46:24,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-08-22 20:46:24,349 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 20:46:24,547 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 20:46:24,547 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:46:24,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:46:24,548 INFO L82 PathProgramCache]: Analyzing trace with hash 277691268, now seen corresponding path program 16 times [2021-08-22 20:46:24,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:46:24,548 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51740044] [2021-08-22 20:46:24,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:46:24,548 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:46:24,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:46:25,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2304 backedges. 900 proven. 380 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2021-08-22 20:46:25,533 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:46:25,533 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51740044] [2021-08-22 20:46:25,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51740044] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:46:25,534 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1129820816] [2021-08-22 20:46:25,534 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-22 20:46:25,534 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:46:25,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:46:25,534 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 20:46:25,537 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 20:46:26,493 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-22 20:46:26,494 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 20:46:26,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 50 conjunts are in the unsatisfiable core [2021-08-22 20:46:26,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:46:27,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2304 backedges. 961 proven. 319 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2021-08-22 20:46:27,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1129820816] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:46:27,030 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:46:27,030 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 50] total 51 [2021-08-22 20:46:27,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121796589] [2021-08-22 20:46:27,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2021-08-22 20:46:27,030 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:46:27,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-08-22 20:46:27,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=734, Invalid=1918, Unknown=0, NotChecked=0, Total=2652 [2021-08-22 20:46:27,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:46:27,031 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:46:27,031 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 2.326923076923077) internal successors, (121), 51 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 20:46:27,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:46:27,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:46:27,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:46:27,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 20:46:27,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:46:27,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:46:27,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:46:27,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:46:27,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:46:27,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-22 20:46:27,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:46:27,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-08-22 20:46:27,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-22 20:46:27,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-22 20:46:27,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-08-22 20:46:27,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-08-22 20:46:27,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-08-22 20:46:27,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-08-22 20:46:27,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:46:28,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:46:28,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:46:28,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:46:28,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 20:46:28,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:46:28,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:46:28,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:46:28,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:46:28,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:46:28,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-22 20:46:28,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:46:28,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-22 20:46:28,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-22 20:46:28,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-22 20:46:28,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-08-22 20:46:28,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-08-22 20:46:28,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-08-22 20:46:28,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-08-22 20:46:28,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-08-22 20:46:28,575 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 20:46:28,769 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 20:46:28,769 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:46:28,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:46:28,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1789120156, now seen corresponding path program 17 times [2021-08-22 20:46:28,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:46:28,769 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552665607] [2021-08-22 20:46:28,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:46:28,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:46:28,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:46:52,141 INFO L134 CoverageAnalysis]: Checked inductivity of 3072 backedges. 0 proven. 3072 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 20:46:52,141 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:46:52,141 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552665607] [2021-08-22 20:46:52,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552665607] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:46:52,142 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [168388081] [2021-08-22 20:46:52,142 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-22 20:46:52,142 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:46:52,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:46:52,151 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 20:46:52,152 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 20:46:53,541 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 33 check-sat command(s) [2021-08-22 20:46:53,542 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 20:46:53,548 WARN L261 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 423 conjunts are in the unsatisfiable core [2021-08-22 20:46:53,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:47:11,836 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 18 treesize of output 17 [2021-08-22 20:47:12,518 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 33 treesize of output 33 [2021-08-22 20:47:13,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:13,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:13,235 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 61 treesize of output 62 [2021-08-22 20:47:14,005 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 61 treesize of output 63 [2021-08-22 20:47:14,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:14,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:14,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:14,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:14,849 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 86 treesize of output 91 [2021-08-22 20:47:15,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:15,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:15,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:15,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:15,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:15,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:15,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:15,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:15,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:15,682 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 111 treesize of output 117 [2021-08-22 20:47:16,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:16,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:16,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:16,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:16,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:16,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:16,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:16,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:16,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:16,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:16,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:16,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:16,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:16,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:16,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:16,607 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 141 treesize of output 152 [2021-08-22 20:47:17,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:17,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:17,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:17,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:17,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:17,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:17,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:17,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:17,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:17,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:17,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:17,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:17,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:17,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:17,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:17,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:17,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:17,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:17,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:17,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:17,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:17,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:17,652 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 168 treesize of output 182 [2021-08-22 20:47:18,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:18,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:18,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:18,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:18,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:18,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:18,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:18,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:18,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:18,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:18,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:18,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:18,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:18,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:18,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:18,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:18,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:18,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:18,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:18,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:18,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:18,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:18,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:18,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:18,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:18,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:18,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:18,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:18,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:18,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:18,744 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 241 treesize of output 248 [2021-08-22 20:47:19,902 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 163 treesize of output 183 [2021-08-22 20:47:21,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:21,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:21,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:21,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:21,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:21,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:21,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:21,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:21,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:21,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:21,093 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 191 treesize of output 216 [2021-08-22 20:47:22,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:22,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:22,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:22,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:22,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:22,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:22,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:22,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:22,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:22,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:22,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:22,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:22,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:22,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:22,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:22,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:22,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:22,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:22,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:22,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:22,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:22,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 272 treesize of output 292 [2021-08-22 20:47:23,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:23,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:23,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:23,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:23,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:23,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:23,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:23,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:23,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:23,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:23,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:23,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:23,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:23,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:23,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:23,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:23,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:23,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:23,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:23,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:23,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:23,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:23,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:23,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:23,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:23,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:23,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:23,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:23,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:23,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:23,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:23,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:23,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:23,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 238 treesize of output 263 [2021-08-22 20:47:24,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:24,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:24,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:24,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:24,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:25,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:25,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:25,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:25,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:25,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:25,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:25,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:25,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:25,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:25,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:25,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:25,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:25,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:25,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:25,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:25,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:25,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:25,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:25,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:25,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:25,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:25,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:25,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:25,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:25,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:25,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:25,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:25,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:25,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:25,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:25,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:25,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:25,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:25,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:25,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:25,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:25,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:25,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:25,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:25,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:25,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:25,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 338 treesize of output 364 [2021-08-22 20:47:26,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:26,617 INFO L244 Elim1Store]: Index analysis took 114 ms [2021-08-22 20:47:26,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 300 treesize of output 337 [2021-08-22 20:47:28,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:28,286 INFO L244 Elim1Store]: Index analysis took 134 ms [2021-08-22 20:47:28,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 322 treesize of output 358 [2021-08-22 20:47:29,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 285 treesize of output 328 [2021-08-22 20:47:31,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:31,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:31,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:31,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:31,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:31,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:31,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:31,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:31,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:31,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:31,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:31,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:31,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:31,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:31,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:31,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:31,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:31,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 310 treesize of output 356 [2021-08-22 20:47:32,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 316 treesize of output 363 [2021-08-22 20:47:34,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 339 treesize of output 393 [2021-08-22 20:47:36,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:36,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:36,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:36,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:36,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:36,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:36,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:36,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:36,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:36,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:36,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:36,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:36,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:36,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:36,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:36,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:36,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:36,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:36,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:36,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:36,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 364 treesize of output 421 [2021-08-22 20:47:37,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 370 treesize of output 428 [2021-08-22 20:47:39,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:39,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:39,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:39,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:39,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:39,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:39,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:39,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:39,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:39,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:39,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:39,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:39,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:39,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:39,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:39,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:39,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:39,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:39,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:39,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:39,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:39,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:39,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 392 treesize of output 451 [2021-08-22 20:47:42,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:42,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 420 treesize of output 482 [2021-08-22 20:47:44,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:44,491 INFO L244 Elim1Store]: Index analysis took 136 ms [2021-08-22 20:47:44,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 583 treesize of output 646 [2021-08-22 20:47:46,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 441 treesize of output 513 [2021-08-22 20:47:48,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:48,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:48,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:48,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:48,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:48,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:48,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:48,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:48,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:48,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:48,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:48,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:48,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:48,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:48,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:48,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:48,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:48,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:48,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:48,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:48,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:48,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:48,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:48,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:48,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:48,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:48,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 463 treesize of output 536 [2021-08-22 20:47:50,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 472 treesize of output 548 [2021-08-22 20:47:53,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:53,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:53,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:53,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:53,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:53,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:53,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:53,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:53,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:53,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:53,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:53,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:53,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:53,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:53,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:53,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:53,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:53,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:53,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:53,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:53,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:53,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:53,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:53,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:53,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:53,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:53,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:53,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:53,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 497 treesize of output 576 [2021-08-22 20:47:55,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:55,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:55,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:55,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:55,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:55,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:55,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:55,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:55,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:55,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:55,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:55,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:56,131 INFO L244 Elim1Store]: Index analysis took 167 ms [2021-08-22 20:47:56,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 435 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 692 treesize of output 770 [2021-08-22 20:47:59,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:47:59,270 INFO L244 Elim1Store]: Index analysis took 186 ms [2021-08-22 20:47:59,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 30 select indices, 30 select index equivalence classes, 465 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 549 treesize of output 632 [2021-08-22 20:48:01,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 32 select indices, 32 select index equivalence classes, 496 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 0 case distinctions, treesize of input 828 treesize of output 642 [2021-08-22 20:48:01,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 32 select indices, 32 select index equivalence classes, 496 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 0 case distinctions, treesize of input 299 treesize of output 107 [2021-08-22 20:48:01,788 INFO L134 CoverageAnalysis]: Checked inductivity of 3072 backedges. 0 proven. 3072 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 20:48:01,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [168388081] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:48:01,788 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:48:01,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [100, 98] total 164 [2021-08-22 20:48:01,788 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810688575] [2021-08-22 20:48:01,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 165 states [2021-08-22 20:48:01,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:48:01,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 165 interpolants. [2021-08-22 20:48:01,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=922, Invalid=26138, Unknown=0, NotChecked=0, Total=27060 [2021-08-22 20:48:01,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:48:01,805 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:48:01,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 165 states, 165 states have (on average 2.0606060606060606) internal successors, (340), 164 states have internal predecessors, (340), 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 20:48:01,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:48:01,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:48:01,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:48:01,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 20:48:01,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:48:01,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:48:01,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:48:01,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:48:01,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:48:01,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-22 20:48:01,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:48:01,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-08-22 20:48:01,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-22 20:48:01,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-22 20:48:01,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-08-22 20:48:01,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-08-22 20:48:01,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-08-22 20:48:01,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-08-22 20:48:01,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-08-22 20:48:01,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:48:39,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:48:39,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:48:39,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:48:39,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 20:48:39,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:48:39,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:48:39,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:48:39,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:48:39,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:48:39,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-22 20:48:39,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:48:39,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-22 20:48:39,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-22 20:48:39,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-22 20:48:39,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-08-22 20:48:39,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-08-22 20:48:39,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-08-22 20:48:39,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-08-22 20:48:39,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-08-22 20:48:39,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-08-22 20:48:39,753 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 20:48:39,953 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 20:48:39,953 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:48:39,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:48:39,954 INFO L82 PathProgramCache]: Analyzing trace with hash -928010972, now seen corresponding path program 18 times [2021-08-22 20:48:39,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:48:39,954 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16927148] [2021-08-22 20:48:39,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:48:39,954 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:48:40,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:48:43,531 INFO L134 CoverageAnalysis]: Checked inductivity of 6144 backedges. 3844 proven. 1276 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2021-08-22 20:48:43,531 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:48:43,532 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16927148] [2021-08-22 20:48:43,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16927148] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:48:43,532 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545606026] [2021-08-22 20:48:43,532 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-22 20:48:43,532 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:48:43,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:48:43,533 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 20:48:43,534 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 20:48:45,712 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 65 check-sat command(s) [2021-08-22 20:48:45,713 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 20:48:45,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 719 conjuncts, 67 conjunts are in the unsatisfiable core [2021-08-22 20:48:45,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:48:48,735 INFO L134 CoverageAnalysis]: Checked inductivity of 6144 backedges. 1024 proven. 3104 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2021-08-22 20:48:48,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1545606026] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:48:48,736 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:48:48,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [98, 67] total 130 [2021-08-22 20:48:48,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82632575] [2021-08-22 20:48:48,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 131 states [2021-08-22 20:48:48,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:48:48,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2021-08-22 20:48:48,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4292, Invalid=12738, Unknown=0, NotChecked=0, Total=17030 [2021-08-22 20:48:48,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:48:48,754 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:48:48,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 131 states, 131 states have (on average 2.16793893129771) internal successors, (284), 130 states have internal predecessors, (284), 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 20:48:48,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:48:48,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:48:48,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:48:48,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 20:48:48,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:48:48,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:48:48,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:48:48,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:48:48,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:48:48,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-22 20:48:48,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:48:48,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-08-22 20:48:48,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-22 20:48:48,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-22 20:48:48,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-08-22 20:48:48,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-08-22 20:48:48,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-08-22 20:48:48,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-08-22 20:48:48,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-08-22 20:48:48,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2021-08-22 20:48:48,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:48:57,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:48:57,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:48:57,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:48:57,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 20:48:57,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:48:57,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:48:57,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:48:57,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:48:57,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:48:57,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-22 20:48:57,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:48:57,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-22 20:48:57,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-22 20:48:57,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-22 20:48:57,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-08-22 20:48:57,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-08-22 20:48:57,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-08-22 20:48:57,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-08-22 20:48:57,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-08-22 20:48:57,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-08-22 20:48:57,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2021-08-22 20:48:57,766 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 20:48:57,956 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 20:48:57,957 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:48:57,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:48:57,957 INFO L82 PathProgramCache]: Analyzing trace with hash -18343580, now seen corresponding path program 19 times [2021-08-22 20:48:57,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:48:57,957 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325886412] [2021-08-22 20:48:57,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:48:57,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:48:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:49:01,959 INFO L134 CoverageAnalysis]: Checked inductivity of 9216 backedges. 3844 proven. 1276 refuted. 0 times theorem prover too weak. 4096 trivial. 0 not checked. [2021-08-22 20:49:01,959 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:49:01,959 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325886412] [2021-08-22 20:49:01,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325886412] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:49:01,959 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1629959304] [2021-08-22 20:49:01,960 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-22 20:49:01,960 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:49:01,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:49:01,960 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 20:49:01,963 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 20:49:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:49:03,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 879 conjuncts, 98 conjunts are in the unsatisfiable core [2021-08-22 20:49:03,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:49:04,822 INFO L134 CoverageAnalysis]: Checked inductivity of 9216 backedges. 3969 proven. 1151 refuted. 0 times theorem prover too weak. 4096 trivial. 0 not checked. [2021-08-22 20:49:04,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1629959304] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:49:04,822 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 20:49:04,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [98, 98] total 99 [2021-08-22 20:49:04,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56035280] [2021-08-22 20:49:04,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2021-08-22 20:49:04,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 20:49:04,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2021-08-22 20:49:04,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2742, Invalid=7158, Unknown=0, NotChecked=0, Total=9900 [2021-08-22 20:49:04,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:49:04,825 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 20:49:04,825 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 2.17) internal successors, (217), 99 states have internal predecessors, (217), 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 20:49:04,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:49:04,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:49:04,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:49:04,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 20:49:04,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:49:04,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:49:04,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:49:04,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:49:04,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:49:04,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-22 20:49:04,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:49:04,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-08-22 20:49:04,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-22 20:49:04,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-22 20:49:04,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-08-22 20:49:04,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-08-22 20:49:04,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-08-22 20:49:04,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-08-22 20:49:04,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-08-22 20:49:04,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2021-08-22 20:49:04,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2021-08-22 20:49:04,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 20:49:08,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 20:49:08,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:49:08,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 20:49:08,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 20:49:08,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:49:08,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 20:49:08,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:49:08,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 20:49:08,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 20:49:08,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-22 20:49:08,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-22 20:49:08,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-22 20:49:08,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-22 20:49:08,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-22 20:49:08,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-08-22 20:49:08,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-08-22 20:49:08,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-08-22 20:49:08,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-08-22 20:49:08,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-08-22 20:49:08,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-08-22 20:49:08,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2021-08-22 20:49:08,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2021-08-22 20:49:08,858 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2021-08-22 20:49:09,057 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 20:49:09,057 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 20:49:09,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 20:49:09,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1717011748, now seen corresponding path program 20 times [2021-08-22 20:49:09,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 20:49:09,058 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066705081] [2021-08-22 20:49:09,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 20:49:09,058 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 20:49:09,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 20:51:50,391 INFO L134 CoverageAnalysis]: Checked inductivity of 12288 backedges. 0 proven. 12288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 20:51:50,391 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 20:51:50,392 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066705081] [2021-08-22 20:51:50,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066705081] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 20:51:50,392 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099421969] [2021-08-22 20:51:50,392 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-22 20:51:50,392 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 20:51:50,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 20:51:50,393 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 20:51:50,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2021-08-22 20:51:53,040 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-22 20:51:53,041 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 20:51:53,104 WARN L261 TraceCheckSpWp]: Trace formula consists of 1071 conjuncts, 839 conjunts are in the unsatisfiable core [2021-08-22 20:51:53,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 20:53:49,182 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 18 treesize of output 17 [2021-08-22 20:53:51,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:53:51,896 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 49 treesize of output 47 [2021-08-22 20:53:54,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:53:54,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:53:54,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:53:54,663 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 71 treesize of output 68 [2021-08-22 20:53:57,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:53:57,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:53:57,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:53:57,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:53:57,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:53:57,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:53:57,469 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 98 treesize of output 98 [2021-08-22 20:54:00,403 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 84 treesize of output 93 [2021-08-22 20:54:03,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:54:03,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:54:03,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:54:03,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:54:03,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 20:54:03,375 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 109 treesize of output 121 [2021-08-22 20:54:06,415 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 118 treesize of output 133