/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-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-15 20:15:54,395 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 20:15:54,396 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 20:15:54,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-15 20:15:54,489 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-NewStatesSleep-NoLbe.epf [2022-02-15 20:15:54,518 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 20:15:54,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 20:15:54,518 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-15 20:15:54,518 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-15 20:15:54,519 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-15 20:15:54,519 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-15 20:15:54,519 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-15 20:15:54,519 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-15 20:15:54,519 INFO L138 SettingsManager]: * Use SBE=true [2022-02-15 20:15:54,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 20:15:54,520 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-15 20:15:54,520 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 20:15:54,520 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-15 20:15:54,520 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 20:15:54,520 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 20:15:54,520 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 20:15:54,520 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 20:15:54,520 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-15 20:15:54,520 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 20:15:54,520 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 20:15:54,520 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 20:15:54,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 20:15:54,521 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 20:15:54,521 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 20:15:54,521 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 20:15:54,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 20:15:54,521 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 20:15:54,521 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-15 20:15:54,521 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-15 20:15:54,521 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-15 20:15:54,521 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-15 20:15:54,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-15 20:15:54,522 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-15 20:15:54,522 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-15 20:15:54,522 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-15 20:15:54,522 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-02-15 20:15:54,522 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-15 20:15:54,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 20:15:54,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 20:15:54,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 20:15:54,723 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-15 20:15:54,725 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-15 20:15:54,726 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl [2022-02-15 20:15:54,727 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl' [2022-02-15 20:15:54,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 20:15:54,749 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-15 20:15:54,750 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-15 20:15:54,750 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-15 20:15:54,750 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-15 20:15:54,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 08:15:54" (1/1) ... [2022-02-15 20:15:54,766 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 08:15:54" (1/1) ... [2022-02-15 20:15:54,770 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-15 20:15:54,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-15 20:15:54,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 20:15:54,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 20:15:54,774 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 20:15:54,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 08:15:54" (1/1) ... [2022-02-15 20:15:54,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 08:15:54" (1/1) ... [2022-02-15 20:15:54,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 08:15:54" (1/1) ... [2022-02-15 20:15:54,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 08:15:54" (1/1) ... [2022-02-15 20:15:54,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 08:15:54" (1/1) ... [2022-02-15 20:15:54,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 08:15:54" (1/1) ... [2022-02-15 20:15:54,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 08:15:54" (1/1) ... [2022-02-15 20:15:54,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 20:15:54,791 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 20:15:54,791 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 20:15:54,791 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 20:15:54,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 08:15:54" (1/1) ... [2022-02-15 20:15:54,799 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 20:15:54,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 20:15:54,847 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-15 20:15:54,874 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-15 20:15:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-15 20:15:54,875 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-15 20:15:54,875 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-15 20:15:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-15 20:15:54,875 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-15 20:15:54,875 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-15 20:15:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 20:15:54,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 20:15:54,876 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-15 20:15:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-15 20:15:54,876 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-15 20:15:54,877 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-15 20:15:54,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-15 20:15:54,916 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 20:15:54,917 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 20:15:55,043 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 20:15:55,049 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 20:15:55,049 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-15 20:15:55,050 INFO L202 PluginConnector]: Adding new model array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 08:15:55 BoogieIcfgContainer [2022-02-15 20:15:55,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 20:15:55,051 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 20:15:55,052 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 20:15:55,054 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 20:15:55,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 08:15:54" (1/2) ... [2022-02-15 20:15:55,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28e2b0cb and model type array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 08:15:55, skipping insertion in model container [2022-02-15 20:15:55,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 08:15:55" (2/2) ... [2022-02-15 20:15:55,070 INFO L111 eAbstractionObserver]: Analyzing ICFG array-sum-alt.wvr.bpl [2022-02-15 20:15:55,074 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-15 20:15:55,074 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-15 20:15:55,074 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-15 20:15:55,074 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-15 20:15:55,122 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-15 20:15:55,204 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-15 20:15:55,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 20:15:55,208 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-15 20:15:55,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-15 20:15:55,235 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 20:15:55,245 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-15 20:15:55,246 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-15 20:15:55,368 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 20:15:55,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 20:15:55,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1712512607, now seen corresponding path program 1 times [2022-02-15 20:15:55,377 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 20:15:55,377 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327485474] [2022-02-15 20:15:55,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 20:15:55,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 20:15:55,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 20:15:55,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:15:55,505 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 20:15:55,506 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327485474] [2022-02-15 20:15:55,506 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327485474] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 20:15:55,506 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 20:15:55,506 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-15 20:15:55,507 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009157517] [2022-02-15 20:15:55,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 20:15:55,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-15 20:15:55,511 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 20:15:55,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-15 20:15:55,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 20:15:55,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:15:55,527 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 20:15:55,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 20:15:55,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:15:55,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:15:55,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 20:15:55,562 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 20:15:55,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 20:15:55,562 INFO L85 PathProgramCache]: Analyzing trace with hash 798562164, now seen corresponding path program 1 times [2022-02-15 20:15:55,563 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 20:15:55,563 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231358285] [2022-02-15 20:15:55,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 20:15:55,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 20:15:55,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 20:15:55,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:15:55,691 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 20:15:55,691 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231358285] [2022-02-15 20:15:55,691 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231358285] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 20:15:55,691 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2085512643] [2022-02-15 20:15:55,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 20:15:55,691 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 20:15:55,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 20:15:55,693 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 20:15:55,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-15 20:15:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 20:15:55,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 5 conjunts are in the unsatisfiable core [2022-02-15 20:15:55,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 20:15:55,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:15:55,892 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 20:15:56,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:15:56,020 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2085512643] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 20:15:56,020 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 20:15:56,020 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 12 [2022-02-15 20:15:56,021 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882055930] [2022-02-15 20:15:56,022 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 20:15:56,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-15 20:15:56,024 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 20:15:56,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-15 20:15:56,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-02-15 20:15:56,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:15:56,026 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 20:15:56,027 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 20:15:56,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:15:56,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:15:56,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:15:56,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-15 20:15:56,282 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-15 20:15:56,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-02-15 20:15:56,470 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 20:15:56,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 20:15:56,470 INFO L85 PathProgramCache]: Analyzing trace with hash -647162114, now seen corresponding path program 1 times [2022-02-15 20:15:56,471 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 20:15:56,471 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642178992] [2022-02-15 20:15:56,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 20:15:56,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 20:15:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 20:15:56,589 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:15:56,590 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 20:15:56,590 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642178992] [2022-02-15 20:15:56,591 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642178992] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 20:15:56,591 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1459241840] [2022-02-15 20:15:56,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 20:15:56,591 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 20:15:56,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 20:15:56,592 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 20:15:56,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-15 20:15:56,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 20:15:56,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 13 conjunts are in the unsatisfiable core [2022-02-15 20:15:56,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 20:15:56,765 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-02-15 20:15:56,820 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:15:56,820 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 20:15:56,898 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-15 20:15:56,899 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 17 [2022-02-15 20:15:56,918 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2022-02-15 20:15:56,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:15:56,963 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1459241840] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 20:15:56,963 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 20:15:56,963 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2022-02-15 20:15:56,963 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850558070] [2022-02-15 20:15:56,963 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 20:15:56,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-15 20:15:56,964 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 20:15:56,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-15 20:15:56,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-02-15 20:15:56,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:15:56,965 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 20:15:56,965 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 20:15:56,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:15:56,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-15 20:15:56,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:15:57,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:15:57,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-15 20:15:57,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 20:15:57,049 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-15 20:15:57,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 20:15:57,244 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 20:15:57,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 20:15:57,244 INFO L85 PathProgramCache]: Analyzing trace with hash -2138608557, now seen corresponding path program 2 times [2022-02-15 20:15:57,244 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 20:15:57,244 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913487765] [2022-02-15 20:15:57,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 20:15:57,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 20:15:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 20:15:57,298 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:15:57,298 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 20:15:57,298 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913487765] [2022-02-15 20:15:57,298 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913487765] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 20:15:57,298 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554352555] [2022-02-15 20:15:57,299 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-15 20:15:57,299 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 20:15:57,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 20:15:57,300 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 20:15:57,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-15 20:15:57,336 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-15 20:15:57,336 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 20:15:57,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-15 20:15:57,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 20:15:57,441 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:15:57,441 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 20:15:57,548 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:15:57,549 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1554352555] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 20:15:57,549 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 20:15:57,549 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2022-02-15 20:15:57,549 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156528498] [2022-02-15 20:15:57,549 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 20:15:57,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-15 20:15:57,549 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 20:15:57,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-15 20:15:57,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2022-02-15 20:15:57,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:15:57,551 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 20:15:57,551 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.5294117647058822) internal successors, (60), 17 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) [2022-02-15 20:15:57,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:15:57,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-15 20:15:57,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 20:15:57,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:15:57,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:15:57,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-15 20:15:57,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 20:15:57,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:15:57,802 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-15 20:15:57,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 20:15:57,992 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 20:15:57,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 20:15:57,992 INFO L85 PathProgramCache]: Analyzing trace with hash -531390017, now seen corresponding path program 3 times [2022-02-15 20:15:57,992 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 20:15:57,992 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382223365] [2022-02-15 20:15:57,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 20:15:57,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 20:15:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 20:15:58,196 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:15:58,196 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 20:15:58,197 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382223365] [2022-02-15 20:15:58,197 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382223365] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 20:15:58,197 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [785173697] [2022-02-15 20:15:58,198 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-15 20:15:58,200 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 20:15:58,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 20:15:58,201 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 20:15:58,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-15 20:15:58,229 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-02-15 20:15:58,230 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 20:15:58,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 24 conjunts are in the unsatisfiable core [2022-02-15 20:15:58,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 20:15:58,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:15:58,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:15:58,634 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2022-02-15 20:15:58,673 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:15:58,674 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 20:15:58,993 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:15:59,009 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-15 20:15:59,010 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 39 treesize of output 64 [2022-02-15 20:15:59,397 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:15:59,397 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [785173697] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 20:15:59,397 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 20:15:59,398 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13, 13] total 29 [2022-02-15 20:15:59,398 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910064944] [2022-02-15 20:15:59,398 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 20:15:59,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-02-15 20:15:59,399 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 20:15:59,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-02-15 20:15:59,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=688, Unknown=0, NotChecked=0, Total=812 [2022-02-15 20:15:59,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:15:59,399 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 20:15:59,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.310344827586207) internal successors, (67), 29 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 20:15:59,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:15:59,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-15 20:15:59,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 20:15:59,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:15:59,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:15:59,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:15:59,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-15 20:15:59,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 20:15:59,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:15:59,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-15 20:15:59,883 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-15 20:16:00,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 20:16:00,063 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 20:16:00,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 20:16:00,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1540771939, now seen corresponding path program 1 times [2022-02-15 20:16:00,064 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 20:16:00,064 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998735167] [2022-02-15 20:16:00,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 20:16:00,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 20:16:00,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 20:16:00,583 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:16:00,583 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 20:16:00,583 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998735167] [2022-02-15 20:16:00,583 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998735167] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 20:16:00,583 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134522186] [2022-02-15 20:16:00,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 20:16:00,584 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 20:16:00,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 20:16:00,585 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 20:16:00,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-15 20:16:00,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 20:16:00,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2022-02-15 20:16:00,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 20:16:01,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:16:01,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:16:01,195 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:01,195 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2022-02-15 20:16:01,235 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:16:01,235 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 20:16:01,770 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:01,848 INFO L353 Elim1Store]: treesize reduction 38, result has 73.0 percent of original size [2022-02-15 20:16:01,848 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 30 treesize of output 115 [2022-02-15 20:16:02,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:02,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:02,869 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:02,870 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:02,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:02,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:02,872 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:02,873 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:02,874 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:02,892 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-15 20:16:02,892 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 72 [2022-02-15 20:16:03,197 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:16:03,197 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [134522186] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 20:16:03,197 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 20:16:03,198 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 16, 16] total 44 [2022-02-15 20:16:03,198 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447762990] [2022-02-15 20:16:03,198 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 20:16:03,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-02-15 20:16:03,198 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 20:16:03,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-02-15 20:16:03,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=1737, Unknown=0, NotChecked=0, Total=1892 [2022-02-15 20:16:03,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:16:03,199 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 20:16:03,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 2.022727272727273) internal successors, (89), 44 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 20:16:03,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:16:03,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-15 20:16:03,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 20:16:03,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:16:03,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-15 20:16:03,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:16:06,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:16:06,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-15 20:16:06,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 20:16:06,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:16:06,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-15 20:16:06,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-15 20:16:06,565 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-15 20:16:06,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 20:16:06,749 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 20:16:06,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 20:16:06,749 INFO L85 PathProgramCache]: Analyzing trace with hash 653110642, now seen corresponding path program 2 times [2022-02-15 20:16:06,749 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 20:16:06,750 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055415509] [2022-02-15 20:16:06,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 20:16:06,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 20:16:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 20:16:06,841 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:16:06,841 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 20:16:06,841 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055415509] [2022-02-15 20:16:06,841 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055415509] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 20:16:06,841 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1367713834] [2022-02-15 20:16:06,841 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-15 20:16:06,841 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 20:16:06,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 20:16:06,844 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 20:16:06,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-15 20:16:06,871 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-15 20:16:06,871 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 20:16:06,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2022-02-15 20:16:06,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 20:16:07,055 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:16:07,055 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 20:16:07,252 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:16:07,252 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1367713834] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 20:16:07,252 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 20:16:07,253 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 27 [2022-02-15 20:16:07,253 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501821104] [2022-02-15 20:16:07,253 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 20:16:07,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-02-15 20:16:07,253 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 20:16:07,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-02-15 20:16:07,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=571, Unknown=0, NotChecked=0, Total=702 [2022-02-15 20:16:07,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:16:07,254 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 20:16:07,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.3333333333333335) internal successors, (90), 27 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 20:16:07,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:16:07,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-15 20:16:07,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 20:16:07,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:16:07,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-15 20:16:07,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-15 20:16:07,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:16:07,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:16:07,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-15 20:16:07,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 20:16:07,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:16:07,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-15 20:16:07,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-15 20:16:07,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-15 20:16:07,824 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-02-15 20:16:08,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 20:16:08,020 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 20:16:08,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 20:16:08,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1329615374, now seen corresponding path program 3 times [2022-02-15 20:16:08,020 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 20:16:08,020 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604520598] [2022-02-15 20:16:08,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 20:16:08,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 20:16:08,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 20:16:08,114 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 13 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:16:08,114 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 20:16:08,114 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604520598] [2022-02-15 20:16:08,114 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604520598] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 20:16:08,114 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1435510172] [2022-02-15 20:16:08,114 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-15 20:16:08,115 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 20:16:08,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 20:16:08,116 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 20:16:08,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-15 20:16:08,147 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-02-15 20:16:08,147 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 20:16:08,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjunts are in the unsatisfiable core [2022-02-15 20:16:08,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 20:16:08,350 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 13 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:16:08,350 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 20:16:08,574 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 23 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:16:08,574 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1435510172] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 20:16:08,574 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 20:16:08,575 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 32 [2022-02-15 20:16:08,575 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007300959] [2022-02-15 20:16:08,575 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 20:16:08,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-02-15 20:16:08,575 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 20:16:08,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-02-15 20:16:08,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=796, Unknown=0, NotChecked=0, Total=992 [2022-02-15 20:16:08,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:16:08,576 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 20:16:08,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 3.1875) internal successors, (102), 32 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 20:16:08,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:16:08,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-15 20:16:08,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 20:16:08,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:16:08,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-15 20:16:08,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-15 20:16:08,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-15 20:16:08,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:16:08,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:16:08,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-15 20:16:08,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 20:16:08,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:16:08,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-15 20:16:08,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-15 20:16:08,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-15 20:16:08,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-15 20:16:08,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-15 20:16:09,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-02-15 20:16:09,104 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 20:16:09,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 20:16:09,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1866690493, now seen corresponding path program 4 times [2022-02-15 20:16:09,104 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 20:16:09,104 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975090844] [2022-02-15 20:16:09,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 20:16:09,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 20:16:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 20:16:09,896 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:16:09,896 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 20:16:09,896 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975090844] [2022-02-15 20:16:09,896 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975090844] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 20:16:09,896 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [499725023] [2022-02-15 20:16:09,897 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-15 20:16:09,897 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 20:16:09,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 20:16:09,898 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 20:16:09,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-15 20:16:09,926 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-15 20:16:09,926 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 20:16:09,927 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 48 conjunts are in the unsatisfiable core [2022-02-15 20:16:09,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 20:16:11,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:11,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:16:11,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:16:11,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:16:11,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:16:11,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:16:11,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:16:11,180 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:11,180 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 25 [2022-02-15 20:16:11,231 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:16:11,231 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 20:16:12,023 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:12,023 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:12,024 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:12,024 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:12,024 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:12,025 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:12,327 INFO L353 Elim1Store]: treesize reduction 142, result has 66.3 percent of original size [2022-02-15 20:16:12,328 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 6 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 39 case distinctions, treesize of input 49 treesize of output 294 [2022-02-15 20:16:36,675 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:36,676 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:36,677 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:36,677 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:36,684 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:36,684 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:36,685 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:36,685 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:36,686 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:36,686 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:36,687 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:36,688 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:36,709 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:36,709 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:36,709 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:36,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:36,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:36,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:36,711 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:36,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:36,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:36,713 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:36,714 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:36,715 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:36,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:36,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:36,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:36,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:36,718 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:36,718 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:36,718 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:36,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:36,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:36,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:36,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:36,752 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-15 20:16:36,753 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 35 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 10 case distinctions, treesize of input 49 treesize of output 124 [2022-02-15 20:16:37,163 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:16:37,164 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [499725023] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 20:16:37,164 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 20:16:37,164 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24, 24] total 49 [2022-02-15 20:16:37,164 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159079484] [2022-02-15 20:16:37,164 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 20:16:37,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-02-15 20:16:37,164 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 20:16:37,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-02-15 20:16:37,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=2206, Unknown=0, NotChecked=0, Total=2352 [2022-02-15 20:16:37,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:16:37,165 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 20:16:37,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 1.9387755102040816) internal successors, (95), 49 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 20:16:37,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:16:37,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-15 20:16:37,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 20:16:37,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:16:37,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-15 20:16:37,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-15 20:16:37,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-15 20:16:37,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-15 20:16:37,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:16:39,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:16:39,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-15 20:16:39,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 20:16:39,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:16:39,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-15 20:16:39,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-15 20:16:39,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-15 20:16:39,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-15 20:16:39,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-15 20:16:39,965 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-15 20:16:40,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 20:16:40,147 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 20:16:40,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 20:16:40,148 INFO L85 PathProgramCache]: Analyzing trace with hash -705145326, now seen corresponding path program 5 times [2022-02-15 20:16:40,148 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 20:16:40,148 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545218457] [2022-02-15 20:16:40,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 20:16:40,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 20:16:40,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 20:16:40,274 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 22 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:16:40,275 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 20:16:40,275 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545218457] [2022-02-15 20:16:40,275 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545218457] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 20:16:40,275 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713922291] [2022-02-15 20:16:40,275 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-15 20:16:40,275 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 20:16:40,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 20:16:40,276 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 20:16:40,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-15 20:16:40,308 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2022-02-15 20:16:40,309 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 20:16:40,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 15 conjunts are in the unsatisfiable core [2022-02-15 20:16:40,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 20:16:40,603 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 35 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:16:40,603 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 20:16:40,906 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 35 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:16:40,907 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1713922291] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 20:16:40,907 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 20:16:40,907 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 39 [2022-02-15 20:16:40,907 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493172686] [2022-02-15 20:16:40,907 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 20:16:40,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-02-15 20:16:40,908 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 20:16:40,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-02-15 20:16:40,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=1219, Unknown=0, NotChecked=0, Total=1482 [2022-02-15 20:16:40,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:16:40,909 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 20:16:40,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 3.230769230769231) internal successors, (126), 39 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 20:16:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:16:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-15 20:16:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 20:16:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:16:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-15 20:16:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-15 20:16:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-15 20:16:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-15 20:16:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-15 20:16:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:16:41,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:16:41,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-15 20:16:41,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 20:16:41,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:16:41,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-15 20:16:41,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-15 20:16:41,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-15 20:16:41,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-15 20:16:41,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-15 20:16:41,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-15 20:16:41,907 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-02-15 20:16:42,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-02-15 20:16:42,087 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 20:16:42,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 20:16:42,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1760469358, now seen corresponding path program 6 times [2022-02-15 20:16:42,088 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 20:16:42,088 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062058249] [2022-02-15 20:16:42,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 20:16:42,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 20:16:42,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 20:16:42,214 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 36 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:16:42,214 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 20:16:42,214 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062058249] [2022-02-15 20:16:42,214 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062058249] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 20:16:42,215 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045031057] [2022-02-15 20:16:42,215 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-15 20:16:42,215 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 20:16:42,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 20:16:42,216 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 20:16:42,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-15 20:16:42,247 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2022-02-15 20:16:42,247 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 20:16:42,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-15 20:16:42,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 20:16:42,570 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 36 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:16:42,570 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 20:16:42,922 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 52 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:16:42,923 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1045031057] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 20:16:42,923 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 20:16:42,923 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 44 [2022-02-15 20:16:42,923 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521482348] [2022-02-15 20:16:42,923 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 20:16:42,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-02-15 20:16:42,924 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 20:16:42,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-02-15 20:16:42,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=356, Invalid=1536, Unknown=0, NotChecked=0, Total=1892 [2022-02-15 20:16:42,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:16:42,925 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 20:16:42,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 3.1363636363636362) internal successors, (138), 44 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 20:16:42,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:16:42,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-15 20:16:42,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 20:16:42,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:16:42,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-15 20:16:42,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-15 20:16:42,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-15 20:16:42,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-15 20:16:42,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-15 20:16:42,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-15 20:16:42,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:16:43,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:16:43,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-15 20:16:43,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 20:16:43,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:16:43,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-15 20:16:43,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-15 20:16:43,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-15 20:16:43,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-15 20:16:43,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-15 20:16:43,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-15 20:16:43,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-15 20:16:43,345 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-02-15 20:16:43,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-02-15 20:16:43,527 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 20:16:43,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 20:16:43,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1830696995, now seen corresponding path program 7 times [2022-02-15 20:16:43,528 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 20:16:43,528 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267804199] [2022-02-15 20:16:43,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 20:16:43,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 20:16:43,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 20:16:44,770 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:16:44,770 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 20:16:44,770 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267804199] [2022-02-15 20:16:44,770 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267804199] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 20:16:44,770 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491784375] [2022-02-15 20:16:44,771 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-15 20:16:44,771 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 20:16:44,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 20:16:44,772 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 20:16:44,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-15 20:16:44,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 20:16:44,801 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 64 conjunts are in the unsatisfiable core [2022-02-15 20:16:44,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 20:16:46,729 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:46,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:16:46,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:16:46,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:16:46,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:16:46,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:16:46,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:16:46,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:16:46,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:46,735 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 21 disjoint index pairs (out of 36 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 38 [2022-02-15 20:16:46,802 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:16:46,803 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 20:16:48,436 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:48,437 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:48,437 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:48,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:48,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:48,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:48,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:48,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:48,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:48,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:48,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:48,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:48,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:48,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:48,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:16:49,339 INFO L353 Elim1Store]: treesize reduction 310, result has 63.3 percent of original size [2022-02-15 20:16:49,340 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 15 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 76 case distinctions, treesize of input 69 treesize of output 554 [2022-02-15 20:18:20,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,740 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,741 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,741 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,742 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,742 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,745 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,745 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,745 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,746 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,746 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,747 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,747 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,747 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,752 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,761 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,761 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,787 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,801 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,801 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,804 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,805 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,805 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,805 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,805 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,807 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,807 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,807 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,811 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,811 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,813 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:20,859 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-15 20:18:20,860 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 77 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 14 case distinctions, treesize of input 69 treesize of output 176 [2022-02-15 20:18:21,407 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:18:21,407 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [491784375] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 20:18:21,408 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 20:18:21,408 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 32, 32] total 65 [2022-02-15 20:18:21,408 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863317395] [2022-02-15 20:18:21,408 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 20:18:21,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2022-02-15 20:18:21,408 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 20:18:21,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2022-02-15 20:18:21,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=3970, Unknown=0, NotChecked=0, Total=4160 [2022-02-15 20:18:21,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:18:21,409 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 20:18:21,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 1.8307692307692307) internal successors, (119), 65 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 20:18:21,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:18:21,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-15 20:18:21,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 20:18:21,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:18:21,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-15 20:18:21,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-15 20:18:21,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-15 20:18:21,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-15 20:18:21,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-15 20:18:21,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-15 20:18:21,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-15 20:18:21,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:18:27,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:18:27,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-15 20:18:27,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 20:18:27,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:18:27,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-15 20:18:27,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-15 20:18:27,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-15 20:18:27,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-15 20:18:27,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-15 20:18:27,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-15 20:18:27,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-15 20:18:27,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-15 20:18:27,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-02-15 20:18:27,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-02-15 20:18:27,943 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 20:18:27,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 20:18:27,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1961809586, now seen corresponding path program 8 times [2022-02-15 20:18:27,944 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 20:18:27,944 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155832109] [2022-02-15 20:18:27,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 20:18:27,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 20:18:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 20:18:28,102 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 51 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:18:28,102 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 20:18:28,102 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155832109] [2022-02-15 20:18:28,102 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155832109] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 20:18:28,102 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803331333] [2022-02-15 20:18:28,103 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-15 20:18:28,103 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 20:18:28,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 20:18:28,104 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 20:18:28,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-02-15 20:18:28,134 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-15 20:18:28,134 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 20:18:28,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 19 conjunts are in the unsatisfiable core [2022-02-15 20:18:28,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 20:18:28,509 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 70 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:18:28,509 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 20:18:28,906 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 70 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:18:28,906 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [803331333] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 20:18:28,906 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 20:18:28,906 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 51 [2022-02-15 20:18:28,906 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240235729] [2022-02-15 20:18:28,906 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 20:18:28,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2022-02-15 20:18:28,907 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 20:18:28,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2022-02-15 20:18:28,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=443, Invalid=2107, Unknown=0, NotChecked=0, Total=2550 [2022-02-15 20:18:28,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:18:28,908 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 20:18:28,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 3.176470588235294) internal successors, (162), 51 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 20:18:28,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:18:28,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-15 20:18:28,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 20:18:28,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:18:28,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-15 20:18:28,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-15 20:18:28,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-15 20:18:28,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-15 20:18:28,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-15 20:18:28,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-15 20:18:28,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-15 20:18:28,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-15 20:18:28,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:18:30,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:18:30,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-15 20:18:30,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 20:18:30,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:18:30,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-15 20:18:30,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-15 20:18:30,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-15 20:18:30,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-15 20:18:30,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-15 20:18:30,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-15 20:18:30,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-15 20:18:30,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-15 20:18:30,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-15 20:18:30,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-02-15 20:18:30,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-02-15 20:18:30,521 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 20:18:30,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 20:18:30,521 INFO L85 PathProgramCache]: Analyzing trace with hash -754129102, now seen corresponding path program 9 times [2022-02-15 20:18:30,521 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 20:18:30,522 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84839461] [2022-02-15 20:18:30,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 20:18:30,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 20:18:30,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 20:18:30,694 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 71 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:18:30,694 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 20:18:30,694 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84839461] [2022-02-15 20:18:30,694 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84839461] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 20:18:30,694 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926480766] [2022-02-15 20:18:30,694 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-15 20:18:30,694 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 20:18:30,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 20:18:30,695 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 20:18:30,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-02-15 20:18:30,728 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2022-02-15 20:18:30,728 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 20:18:30,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 20 conjunts are in the unsatisfiable core [2022-02-15 20:18:30,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 20:18:31,154 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 71 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:18:31,154 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 20:18:31,633 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 93 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:18:31,633 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [926480766] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 20:18:31,633 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 20:18:31,633 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 56 [2022-02-15 20:18:31,633 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213671990] [2022-02-15 20:18:31,633 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 20:18:31,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2022-02-15 20:18:31,634 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 20:18:31,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2022-02-15 20:18:31,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=564, Invalid=2516, Unknown=0, NotChecked=0, Total=3080 [2022-02-15 20:18:31,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:18:31,635 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 20:18:31,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 3.107142857142857) internal successors, (174), 56 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 20:18:31,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:18:31,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-15 20:18:31,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 20:18:31,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:18:31,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-15 20:18:31,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-15 20:18:31,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-15 20:18:31,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-15 20:18:31,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-15 20:18:31,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-15 20:18:31,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-15 20:18:31,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-15 20:18:31,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-02-15 20:18:31,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:18:32,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:18:32,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-15 20:18:32,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 20:18:32,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:18:32,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-15 20:18:32,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-15 20:18:32,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-15 20:18:32,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-15 20:18:32,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-15 20:18:32,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-15 20:18:32,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-15 20:18:32,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-15 20:18:32,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-15 20:18:32,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-02-15 20:18:32,155 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-02-15 20:18:32,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 20:18:32,343 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 20:18:32,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 20:18:32,344 INFO L85 PathProgramCache]: Analyzing trace with hash 887797757, now seen corresponding path program 10 times [2022-02-15 20:18:32,344 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 20:18:32,344 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380510686] [2022-02-15 20:18:32,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 20:18:32,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 20:18:32,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 20:18:34,090 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:18:34,090 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 20:18:34,090 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380510686] [2022-02-15 20:18:34,090 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380510686] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 20:18:34,090 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409873856] [2022-02-15 20:18:34,090 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-15 20:18:34,090 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 20:18:34,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 20:18:34,091 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 20:18:34,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-02-15 20:18:34,122 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-15 20:18:34,122 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 20:18:34,124 WARN L261 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 80 conjunts are in the unsatisfiable core [2022-02-15 20:18:34,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 20:18:36,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:18:36,822 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:36,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:18:36,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:18:36,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:18:36,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:18:36,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:18:36,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:18:36,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:18:36,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:18:36,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:18:36,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:18:36,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:18:36,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:18:36,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:36,832 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 36 disjoint index pairs (out of 55 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 44 [2022-02-15 20:18:36,888 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:18:36,888 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 20:18:39,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:39,341 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:39,341 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:39,341 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:39,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:39,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:39,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:39,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:39,343 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:39,343 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:39,349 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:39,349 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:39,350 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:39,350 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:39,350 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:39,351 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:39,351 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:39,351 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:39,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:39,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:39,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:39,353 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:39,353 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:39,353 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:39,354 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:39,354 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:39,354 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:39,355 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:18:41,442 INFO L353 Elim1Store]: treesize reduction 542, result has 61.6 percent of original size [2022-02-15 20:18:41,443 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 28 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 125 case distinctions, treesize of input 89 treesize of output 894 [2022-02-15 20:26:59,676 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,677 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,677 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,677 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,678 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,678 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,679 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,679 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,680 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,680 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,680 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,682 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,682 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,683 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,684 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,684 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,685 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,686 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,686 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,687 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,687 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,687 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,688 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,688 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,689 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,689 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,689 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,689 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,690 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,690 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,690 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,691 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,692 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,692 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,693 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,694 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,694 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,694 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,695 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,698 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,700 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,700 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,700 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,701 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,702 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,702 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,702 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,703 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,703 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,703 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,705 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,705 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,707 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,707 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,709 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,709 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,709 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,711 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,711 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,711 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,713 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,713 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,714 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,714 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,715 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,715 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,721 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,729 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,730 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,730 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,730 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,731 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,732 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,732 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,733 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,733 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,740 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,740 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,740 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,741 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,741 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,741 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,742 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,746 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,746 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,746 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,747 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:26:59,815 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-15 20:26:59,815 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 135 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 18 case distinctions, treesize of input 89 treesize of output 228 [2022-02-15 20:27:00,585 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:27:00,586 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409873856] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 20:27:00,586 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 20:27:00,586 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 40, 40] total 81 [2022-02-15 20:27:00,586 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250685267] [2022-02-15 20:27:00,586 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 20:27:00,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2022-02-15 20:27:00,586 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 20:27:00,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2022-02-15 20:27:00,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=6246, Unknown=0, NotChecked=0, Total=6480 [2022-02-15 20:27:00,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:27:00,588 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 20:27:00,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 1.7654320987654322) internal successors, (143), 81 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 20:27:00,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:27:00,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-15 20:27:00,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 20:27:00,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:27:00,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-15 20:27:00,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-15 20:27:00,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-15 20:27:00,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-15 20:27:00,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-15 20:27:00,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-15 20:27:00,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-15 20:27:00,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-15 20:27:00,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-02-15 20:27:00,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-02-15 20:27:00,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:27:16,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:27:16,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-15 20:27:16,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 20:27:16,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:27:16,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-15 20:27:16,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-15 20:27:16,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-15 20:27:16,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-15 20:27:16,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-15 20:27:16,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-15 20:27:16,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-15 20:27:16,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-15 20:27:16,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-15 20:27:16,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-02-15 20:27:16,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-15 20:27:16,456 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-02-15 20:27:16,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-02-15 20:27:16,641 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 20:27:16,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 20:27:16,641 INFO L85 PathProgramCache]: Analyzing trace with hash 148320082, now seen corresponding path program 11 times [2022-02-15 20:27:16,641 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 20:27:16,641 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975407228] [2022-02-15 20:27:16,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 20:27:16,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 20:27:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 20:27:16,843 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 92 proven. 146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:27:16,843 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 20:27:16,843 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975407228] [2022-02-15 20:27:16,843 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975407228] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 20:27:16,844 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081331559] [2022-02-15 20:27:16,844 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-15 20:27:16,844 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 20:27:16,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 20:27:16,845 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 20:27:16,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-02-15 20:27:16,889 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2022-02-15 20:27:16,890 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 20:27:16,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 23 conjunts are in the unsatisfiable core [2022-02-15 20:27:16,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 20:27:17,430 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 117 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:27:17,431 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 20:27:17,981 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 117 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:27:17,981 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081331559] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 20:27:17,981 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 20:27:17,981 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 63 [2022-02-15 20:27:17,982 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193773850] [2022-02-15 20:27:17,982 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 20:27:17,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-02-15 20:27:17,982 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 20:27:17,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-02-15 20:27:17,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=671, Invalid=3235, Unknown=0, NotChecked=0, Total=3906 [2022-02-15 20:27:17,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:27:17,983 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 20:27:17,984 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 3.142857142857143) internal successors, (198), 63 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 20:27:17,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:27:17,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-15 20:27:17,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 20:27:17,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:27:17,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-15 20:27:17,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-15 20:27:17,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-15 20:27:17,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-15 20:27:17,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-15 20:27:17,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-15 20:27:17,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-15 20:27:17,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-15 20:27:17,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-02-15 20:27:17,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-02-15 20:27:17,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-15 20:27:17,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:27:19,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:27:19,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-15 20:27:19,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 20:27:19,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:27:19,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-15 20:27:19,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-15 20:27:19,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-15 20:27:19,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-15 20:27:19,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-15 20:27:19,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-15 20:27:19,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-15 20:27:19,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-15 20:27:19,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-15 20:27:19,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-02-15 20:27:19,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-15 20:27:19,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2022-02-15 20:27:19,813 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-02-15 20:27:19,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-02-15 20:27:19,998 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 20:27:19,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 20:27:19,998 INFO L85 PathProgramCache]: Analyzing trace with hash 221792210, now seen corresponding path program 12 times [2022-02-15 20:27:19,998 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 20:27:19,998 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128520762] [2022-02-15 20:27:19,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 20:27:19,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 20:27:20,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 20:27:20,213 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 118 proven. 173 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:27:20,214 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 20:27:20,214 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128520762] [2022-02-15 20:27:20,214 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128520762] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 20:27:20,214 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141964842] [2022-02-15 20:27:20,214 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-15 20:27:20,214 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 20:27:20,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 20:27:20,215 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 20:27:20,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-02-15 20:27:20,260 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2022-02-15 20:27:20,260 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 20:27:20,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 24 conjunts are in the unsatisfiable core [2022-02-15 20:27:20,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 20:27:20,824 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 118 proven. 173 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:27:20,824 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 20:27:21,492 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 146 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:27:21,492 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141964842] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 20:27:21,492 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 20:27:21,492 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 68 [2022-02-15 20:27:21,493 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636541558] [2022-02-15 20:27:21,493 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 20:27:21,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2022-02-15 20:27:21,493 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 20:27:21,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2022-02-15 20:27:21,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=820, Invalid=3736, Unknown=0, NotChecked=0, Total=4556 [2022-02-15 20:27:21,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:27:21,495 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 20:27:21,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 3.088235294117647) internal successors, (210), 68 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 20:27:21,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:27:21,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-15 20:27:21,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 20:27:21,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:27:21,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-15 20:27:21,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-15 20:27:21,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-15 20:27:21,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-15 20:27:21,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-15 20:27:21,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-15 20:27:21,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-15 20:27:21,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-15 20:27:21,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-02-15 20:27:21,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-02-15 20:27:21,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-15 20:27:21,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2022-02-15 20:27:21,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:27:22,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:27:22,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-15 20:27:22,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 20:27:22,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:27:22,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-15 20:27:22,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-15 20:27:22,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-15 20:27:22,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-15 20:27:22,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-15 20:27:22,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-15 20:27:22,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-15 20:27:22,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-15 20:27:22,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-15 20:27:22,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-02-15 20:27:22,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-15 20:27:22,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2022-02-15 20:27:22,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-15 20:27:22,153 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-02-15 20:27:22,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-02-15 20:27:22,338 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 20:27:22,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 20:27:22,338 INFO L85 PathProgramCache]: Analyzing trace with hash 583286813, now seen corresponding path program 13 times [2022-02-15 20:27:22,338 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 20:27:22,338 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672851991] [2022-02-15 20:27:22,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 20:27:22,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 20:27:22,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 20:27:24,550 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 322 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:27:24,550 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 20:27:24,550 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672851991] [2022-02-15 20:27:24,550 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672851991] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 20:27:24,550 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1613099604] [2022-02-15 20:27:24,551 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-15 20:27:24,551 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 20:27:24,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 20:27:24,552 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 20:27:24,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-02-15 20:27:24,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 20:27:24,589 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 96 conjunts are in the unsatisfiable core [2022-02-15 20:27:24,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 20:27:29,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:27:29,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:29,213 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 55 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 32 [2022-02-15 20:27:29,279 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 322 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:27:29,279 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 20:27:35,851 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,860 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,860 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,860 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,860 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,863 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,863 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,863 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,863 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,864 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,864 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,864 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,865 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,865 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,865 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,865 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,866 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,866 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,866 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,866 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:35,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:27:40,370 INFO L353 Elim1Store]: treesize reduction 838, result has 60.6 percent of original size [2022-02-15 20:27:40,371 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 45 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 186 case distinctions, treesize of input 109 treesize of output 1314 Received shutdown request... [2022-02-15 20:29:54,581 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-15 20:29:54,584 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-15 20:29:54,585 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-15 20:29:54,589 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-15 20:29:54,591 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-15 20:29:54,607 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2022-02-15 20:29:54,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-02-15 20:29:54,803 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 85 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 20ms.. [2022-02-15 20:29:54,805 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-15 20:29:54,805 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-15 20:29:54,805 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-15 20:29:54,808 INFO L732 BasicCegarLoop]: Path program histogram: [13, 3, 1, 1] [2022-02-15 20:29:54,814 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-15 20:29:54,814 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-15 20:29:54,816 INFO L202 PluginConnector]: Adding new model array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 08:29:54 BasicIcfg [2022-02-15 20:29:54,816 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-15 20:29:54,816 INFO L158 Benchmark]: Toolchain (without parser) took 840067.70ms. Allocated memory was 201.3MB in the beginning and 550.5MB in the end (delta: 349.2MB). Free memory was 164.9MB in the beginning and 283.9MB in the end (delta: -119.0MB). Peak memory consumption was 364.0MB. Max. memory is 8.0GB. [2022-02-15 20:29:54,816 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 201.3MB. Free memory was 166.1MB in the beginning and 166.0MB in the end (delta: 143.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 20:29:54,817 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.95ms. Allocated memory is still 201.3MB. Free memory was 164.9MB in the beginning and 163.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-15 20:29:54,817 INFO L158 Benchmark]: Boogie Preprocessor took 16.24ms. Allocated memory is still 201.3MB. Free memory was 163.3MB in the beginning and 162.4MB in the end (delta: 849.5kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 20:29:54,817 INFO L158 Benchmark]: RCFGBuilder took 259.57ms. Allocated memory is still 201.3MB. Free memory was 162.4MB in the beginning and 153.4MB in the end (delta: 9.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-15 20:29:54,817 INFO L158 Benchmark]: TraceAbstraction took 839764.52ms. Allocated memory was 201.3MB in the beginning and 550.5MB in the end (delta: 349.2MB). Free memory was 152.8MB in the beginning and 283.9MB in the end (delta: -131.1MB). Peak memory consumption was 351.4MB. Max. memory is 8.0GB. [2022-02-15 20:29:54,818 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11ms. Allocated memory is still 201.3MB. Free memory was 166.1MB in the beginning and 166.0MB in the end (delta: 143.3kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 21.95ms. Allocated memory is still 201.3MB. Free memory was 164.9MB in the beginning and 163.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.24ms. Allocated memory is still 201.3MB. Free memory was 163.3MB in the beginning and 162.4MB in the end (delta: 849.5kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 259.57ms. Allocated memory is still 201.3MB. Free memory was 162.4MB in the beginning and 153.4MB in the end (delta: 9.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 839764.52ms. Allocated memory was 201.3MB in the beginning and 550.5MB in the end (delta: 349.2MB). Free memory was 152.8MB in the beginning and 283.9MB in the end (delta: -131.1MB). Peak memory consumption was 351.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6999, positive: 5657, positive conditional: 5657, positive unconditional: 0, negative: 1342, negative conditional: 1342, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5657, positive: 5657, positive conditional: 5657, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5657, positive: 5657, positive conditional: 5657, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5657, positive: 5657, positive conditional: 5180, positive unconditional: 477, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5657, positive: 5657, positive conditional: 5127, positive unconditional: 530, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5657, positive: 5657, positive conditional: 5127, positive unconditional: 530, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 75, positive: 75, positive conditional: 0, positive unconditional: 75, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 75, positive: 74, positive conditional: 0, positive unconditional: 74, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 28, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5657, positive: 5582, positive conditional: 5127, positive unconditional: 455, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 75, unknown conditional: 0, unknown unconditional: 75] , Statistics on independence cache: Total cache size (in pairs): 75, Positive cache size: 75, Positive conditional cache size: 0, Positive unconditional cache size: 75, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 53, Maximal queried relation: 0, Independence queries for same thread: 1342 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 85 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 20ms.. - TimeoutResultAtElement [Line: 53]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 85 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 20ms.. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 85 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 20ms.. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 85 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 20ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 48 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 839.6s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 13, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 36.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 613, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 646.8s InterpolantComputationTime, 1614 NumberOfCodeBlocks, 1614 NumberOfCodeBlocksAsserted, 82 NumberOfCheckSat, 2363 ConstructedInterpolants, 83 QuantifiedInterpolants, 47276 SizeOfPredicates, 140 NumberOfNonLiveVariables, 1586 ConjunctsInSsa, 413 ConjunctsInUnsatCore, 49 InterpolantComputations, 1 PerfectInterpolantSequences, 1430/4605 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown